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Toshiba RAV-SM1603AT-E Service Manual
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Toshiba RAV-SM1603AT-E Service Manual

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SERVICE MANUAL

AIR-CONDITIONER
OUTDOOR UNIT <DIGITAL INVERTER>
RAV-SM1603AT-E
RAV-SM1603ATZ-E
RAV-SM1603ATZG-E
INDOOR UNIT <DIGITAL INVERTER>
∗ Refer to the Service Manual with File No. A06-010 for Model RAV-SM1403AT-E, and refer to the
Service Manual with File No. A07-003 for Model RAV-SP1403AT-E, respectively.
R410A
SPLIT TYPE
RAV-SM1403DT-A
RAV-SM1603DT-A
FILE NO. A07-009
PRINTED IN JAPAN, Jun, 2008 ToMo

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Summary of Contents for Toshiba RAV-SM1603AT-E

  • Page 1: Service Manual

    FILE NO. A07-009 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE OUTDOOR UNIT <DIGITAL INVERTER> RAV-SM1603AT-E RAV-SM1603ATZ-E RAV-SM1603ATZG-E INDOOR UNIT <DIGITAL INVERTER> RAV-SM1403DT-A RAV-SM1603DT-A ∗ Refer to the Service Manual with File No. A06-010 for Model RAV-SM1403AT-E, and refer to the Service Manual with File No. A07-003 for Model RAV-SP1403AT-E, respectively.

  • Page 2: Table Of Contents

    Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person do it.
  • Page 3 6. REFRIGERANT R410A ................35 6-1. Safety During Installation/Servicing ............... 35 6-2. Refrigerant Piping Installation ............... 35 6-3. Tools ........................39 6-4. Recharging of Refrigerant................39 6-5. Brazing of Pipes....................40 6-6. Instructions for Re-use Piping of R22 or R407C ..........42 6-7.

  • Page 4: Safety Caution

    SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual. Please read this Service Manual after understanding the described items thoroughly in the following contents (Indications/Illustrated marks), and keep them. [Explanation of indications] Indication Explanation...
  • Page 5 WARNING Before troubleshooting or repair work, check the earth wire is connected to the earth terminals of the main unit, otherwise an electric shock is caused when a leak occurs. If the earth wire is not correctly connected, contact an electric engineer for rework. Check earth wires.
  • Page 6 WARNING After the work has finished, be sure to use an insulation tester set (500V Megger) to check the resistance is 2MΩ Ω Ω Ω Ω or more between the charge section and the non-charge metal section (Earth position). If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s Insulator check side.
  • Page 7 • New Refrigerant (R410A) This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also changed.
  • Page 8 4. Tools 1. Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types. 1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R410A and for conventional refrigerant (R22) The table below shows the tools exclusive for R410A and their interchangeability.

  • Page 9: Specifications

    1. SPECIFICATIONS 1-1. Indoor Unit 1-1-1. High Static Duct Type <Single type> Indoor unit RAV- SM1403DT-A SM1403DT-A SM1603DT-A Model Outdoor unit RAV- SM1403AT-E SP1404AT-E SM1603AT(Z)(ZG)-E Cooling capacity (kW) 12.5 13.0 14.3 Heating capacity (kW) 14.0 14.0 16.0 Power supply 1 phase 240V, 50Hz Running current 21.3 18.5...
  • Page 10 1-1-2. 4-way Air Discharge Cassette Type <Single type> Indoor unit RAV- SM1604UT-E Model Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Power supply 1 phase 230V (220 – 240V) 50Hz Running current 21.38 – 19.69 Power consumption (kW) 4.49 Power factor...
  • Page 11 <Twin type> Indoor unit 1 RAV- SM804UT-E Model Indoor unit 2 RAV- SM804UT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 21.48 – 19.69 Power consumption (kW) 4.49...
  • Page 12 <Triple type> Indoor unit 1 RAV- SM564UT-E Indoor unit 2 RAV- SM564UT-E Model Indoor unit 3 RAV- SM564UT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 21.48 –...
  • Page 13 1-1-3. Concealed Duct Type <Twin type> Indoor unit 1 RAV- SM802BT-E Model Indoor unit 2 RAV- SM802BT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 24.50 –...
  • Page 14 <Triple type> Indoor unit 1 RAV- SM562BT-E Indoor unit 2 RAV- SM562BT-E Model Indoor unit 3 RAV- SM562BT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 24.50 –...
  • Page 15 1-1-4. Under Ceiling Type <Twin type> Indoor unit 1 RAV- SM802CT-E Model Indoor unit 2 RAV- SM802CT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 23.88 –...
  • Page 16 <Triple type> Indoor unit 1 RAV- SM562CT-E Indoor unit 2 RAV- SM562CT-E Model Indoor unit 3 RAV- SM562CT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 23.88 –...
  • Page 17 1-1-5. High Wall Type <Twin type> Indoor unit 1 RAV- SM802KRT-E Model Indoor unit 2 RAV- SM802KRT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 24.40 –...
  • Page 18 <Triple type> Indoor unit 1 RAV- SM562KRT-E Indoor unit 2 RAV- SM562KRT-E Model Indoor unit 3 RAV- SM562KRT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 24.40 –...
  • Page 19 1-1-6. Compact 4-way Cassette (600 × 600) Type <Triple type> Indoor unit 1 RAV- SM562MUT-E Indoor unit 2 RAV- SM562MUT-E Model Indoor unit 3 RAV- SM562MUT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 –...
  • Page 20 1-1-7. Slim Duct Type <Triple type> Indoor unit 1 RAV- SM564SDT-E Indoor unit 2 RAV- SM564SDT-E Model Indoor unit 3 RAV- SM564SDT-E Outdoor unit RAV- SM1603AT(Z)(ZG)-E Cooling capacity (kW) 14.0 Heating capacity (kW) 16.0 Indoor unit Power supply 1 phase 230V (220 – 240V) 50Hz Running current 23.88 –...

  • Page 21: Outdoor Unit

    1-2. Outdoor Unit Model name RAV-SM1603AT(Z)(ZG)-E Power supply 1 phase 230V (220 – 240V) 50Hz Type Hermetic compressor Compressor Motor (kW) 3.75 Pole Refrigerant charged (kg) Refrigerant control Pulse motor valve Standard length Min. length Max. total length Inter Additional refrigerant charge 40g/m connecting pipe under long piping connector...

  • Page 22: Operation Characteristic Curve

    1-3. Operation Characteristic Curve • Operation characteristic curve RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E <Cooling> <Heating> 28.2 23.7 28.2 • Conditions • Conditions Indoor : DB27°C/WB19°C Indoor : DB20°C Outdoor : DB35°C Outdoor : DB7°C/WB6°C Air flow : High Air flow : High Pipe length : 7.5m...

  • Page 23: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. Indoor Unit RAV-SM1403DT-A, RAV-SM1603DT-A Service work space (52) (52) Check port 400 × 800 Air flow Air flow Drain trap Hung-up plate Plug (Port for check and clean) Drain pipe Refrigerant piping (5/8” (Ø15.88)) Refrigerant piping (3/8”...

  • Page 24: Outdoor Unit

    Drain hole (Ø25) Air inlet B legs port Name Note Mounting bolt hole (Ø12 × 17 long hole) Air inlet port Refrigerant piping hole —— Indoor/Outdoor unit connecting wire inlet hole Power supply inlet hole Ø38 Kockout hole Air outlet A legs Mounting bolt hole port...
  • Page 25 RBC-TWP30E2, RBC-TWP50E2 (Simultaneous Twin) Inner diameter Ø C Inner Inner diameter Ø D diameter Ø D Model (RBC-) Liquid side Ø9.5 Ø6.4 TWP30E2 Gas side Ø15.9 Ø12.7 Liquid side Ø9.5 Ø9.5 TWP50E2 Gas side Ø15.9 Ø15.9 – 25 –...
  • Page 26 RBC-TRP100E (Simultaneous Triple) <Gas side> Header assembly Inner diameter Ø15.9 <Liquid side> Branch pipe assembly Inner diameter Ø9.52 Insulator Gas side socket Liquid side socket Ø15.9 Ø12.7 Ø9.5 Ø6.4 Ø15.9 Ø25.4 Ø9.5 Ø12.7 (External (External (External (External diameter) diameter) diameter) diameter) 3 pcs.

  • Page 27: Systematic Refrigerating Cycle Diagram

    3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Indoor Unit <Indoor unit to be connected to RAV-SM1403DT-A, RAV-SM1603DT-A> • Single type (Combination of one indoor unit and one outdoor unit) Distributor Indoor unit (Strainer TCJ sensor incorporated) Air heat exchanger TC sensor Refrigerant pipe Refrigerant pipe at liquid side ØB...
  • Page 28 <Indoor unit to be connected to RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E> • Single type Distributor Indoor unit (Combination of one indoor unit and (Strainer TCJ sensor incorporated) one outdoor unit) Air heat exchanger TC sensor Refrigerant pipe Refrigerant pipe at liquid side at gas side Outer diameter Ø9.5...

  • Page 29: Outdoor Unit

    3-2. Outdoor Unit RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E TO sensor TS sensor Strainer TE sensor Check joint Capillary Cooling: High pressure Ø4 ×Ø3 (6 pcs.) Heating: Low pressure Heat exchanger Distributor Refrigerant pipe TD sensor Ø8, 2 rows, 52 stages at liquid side Ø9.5 FP1.45, flat fin...

  • Page 30: Wiring Diagram

    4. WIRING DIAGRAM 4-1. Indoor Unit RAV-SM1403DT-A, RAV-SM1603DT-A CN033 Relay CN068 (GRN) CN030 43F3 (BLU) (RED) CN083 (WHI) 1 2 3 CN104 RY007 (YEL) Relay 43F2 CN102 (RED) RY004 CN034 (GRY) Relay RY006 RY002 RY001 CN101 43F1 (BLK) CN309 (YEL) CN080 (GRN) RY005...
  • Page 31 • Single type • Twin type Power supply 220-240V Power supply 220-240V Single phase 50Hz Single phase 50Hz Outdoor unit Outdoor unit 1 2 3 1 2 3 1 2 3 Indoor unit 1 2 3 1 2 3 Indoor unit Indoor unit Earth No.1 (Master)

  • Page 32: Outdoor Unit

    4-2. Outdoor Unit RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E CN06 CAPA CN08 1 2 3 4 5 T02 CT YEL BLU CN02 Noise Filter CN20 CN21 P.C. Board CN01 MCC-1551 IPDU P.C. Board MCC-1535 CN04 CN09 CN01 CN03 CN13 CN10 CN02 CN11 CN04...

  • Page 33: Fan Characteristics

    4-3. Fan Characteristics Current value as a criterion, adjust the air volume value to become within the range of the chart below. <RAV-SM1403DT-A> <RAV-SM1603DT-A> Static pressure (Pa) Static pressure (Pa) Fan-tap Fan-tap (unit) (unit) m³/h 3,480 3,300 2,500 2,330 2,100 m³/h 3,740 3,500...

  • Page 34: Specifications Of Electrical Parts

    Ø6 size lead wire length : 1200mm Vinyl tube (Black) 10 kΩ at 25°C TCJ sensor Ø6 size lead wire length : 1200mm Vinyl tube (Red) 10 kΩ at 25°C 5-2. Outdoor Unit RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E Parts name Type Specifications Fan motor ICF-280-100-1R...

  • Page 35: Refrigerant R410A

    6. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC 6. When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the new refrigerant R410A even when refrigerant leaks, its concentration is 1.6 times higher than conventional refrigerant...
  • Page 36 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) R410A 0.80 0.80 0.80 0.80 12.7 0.80 0.80 15.9 1.00 1.00 1. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
  • Page 37 c) Insertion of Flare Nut d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
  • Page 38 Fig. 6-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench.

  • Page 39: Tools

    6-3. Tools 6-3-1. Required Tools Refer to the “4. Tools” (Page 8) 6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment.

  • Page 40: Brazing Of Pipes

    1) Be sure to make setting so that liquid can be charged. 2) When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
  • Page 41 2. Characteristics required for flux 6-5-3. Brazing • Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. • Due to a wide effective temperature range, flux is hard to carbonize.

  • Page 42: Instructions For Re-Use Piping Of R22 Or R407C

    Operation System age of the pipe at the worst. • In the concurrent twin, triple systems, when TOSHIBA- ∗ Pipe diameter and thickness (mm) specified branching pipe is used, it can be reused.

  • Page 43: Final Installation Checks

    6-6-5. Final Installation Checks Is there no scratch or dent on the existing pipes? Existing pipe: NO * Use a new pipes. Is it possible to operate the existing air conditioner? ∗ After the existing air conditioner operated in cooling mode for approx.
  • Page 44 In this case, the heating performance may be reduced depending on the outside air temperature and room temperature. RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E • To use an existing Ø19.1 mm pipe, set bit 5 of SW801 No.5 SW801 (switch for existing pipe) on the P .C. board of the outdoor unit to ON.
  • Page 45 6-6-7. Recovery Method of Refrigerant RAV-SP1404AT(Z)(ZG)-E RAV-SM1603AT(Z)(ZG)-E • Use the refrigerant recovery switch SW801 on the • Use the refrigerant recovery switch SW802 on the P .C. board of the outdoor unit to recover refriger- P .C. board of the outdoor unit to recover refriger- ant when the indoor unit or outdoor unit is moved.

  • Page 46: Tolerance Of Pipe Length And Pipe Head

    6-7. Tolerance of Pipe Length and Pipe Head n Twin system Total length (L + a or L + b) 50 m Pipe length Branch pipe length (a, b) 15 m (one way) Maximum difference between indoor units 10 m Refrigerant pipe (b –...
  • Page 47 n Triple system Total length (L + a, L +b, L+c) 50 m Pipe length Branch pipe length (a, b, c) 15 m (one way) Maximum difference between indoor units 10 m Refrigerant pipe (|a – b|, |b – c|, |c – d|) specification Between indoor units ( ∆...

  • Page 48: Additional Refrigerant Amount

    6-8. Additional Refrigerant Amount n Twin system <Formula for Calculating Additional Refrigerant Amount> Do not remove the refrigerant even if the additional refrigerant amount becomes minus result as a result of calculations by the following formula and operate the air conditioner as it is. Additional refrigerant amount (kg) = Main piping additional refrigerant amount (kg) + Branch piping additional refrigerant amount (kg) α...
  • Page 49 n Triple system <Formula for Calculating Additional Refrigerant Amount> Do not remove the refrigerant even if the additional refrigerant amount becomes minus result as a result of calculations by the following formula and operate the air conditioner as it is. Additional refrigerant amount (kg) = Main piping additional refrigerant amount (kg) + Branch piping additional refrigerant amount (kg) α...

  • Page 50: Piping Materials And Sizes

    6-9. Piping Materials and Sizes n Twin system Use copper tube of Copper and copper alloy seamless pipes and tubes, with 40mg/10m or less in the amount of oil stuck on inner walls of pipe and 0.8mm in pipe wall thickness for diameters for diameters 6.4, 9.5 and12.7mm and 1.0mm, for diameter 15.9mm.

  • Page 51: Branch Pipe

    6-10. Branch Pipe n Twin system Now the refrigerant pipe is installed using branch pipes supplied as accessories. • Bend and adjust the refrigerant piping so that the branch pipes and pipe after branching become horizontal. • Fix the branch pipes onto a wall in a ceiling or onto a column. •...

  • Page 52: Indoor Control Circuit

    7. INDOOR CONTROL CIRCUIT 7-1. Indoor Controller Block Diagram RAV-SM1403DT-A, RAV-SM1603DT-A 7-1-1. Connection of Main (Sub) Remote Controller Main (Sub) Master remote controller Weekly timer (Max. 2 units) Display part Function Display part Driver setup Display part Key switch Function setup Power supply Key switch...

  • Page 53: Control Specifications

    7-2. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor unit supply is reset When the power supply is reset, the outdoors are distinguished and the control is selected according to the distinguished result. Operation 1) Based on the operation mode selecting command from the mode selection remote controller, the operation mode is selected.
  • Page 54 Item Outline of specifications Remarks Room temp. 1) Adjustment range: Remote controller setup temperature (°C) control COOL HEAT AUTO Wired type 18 to 29 18 to 29 18 to 29 Wireless type 18 to 30 16 to 30 17 to 27 2) Using the Item code 06, the setup temperature in heating Shift of suction tempera- operation can be corrected.
  • Page 55 Item Outline of specifications Remarks Air speed selection 1) Operation [HH], [L] or [AUTO] is performed by command from the remote controller. 2) The air speed is varied with difference between Ta and HH > L > UL Ts while the air speed is set to [AUTO]. <COOL>...
  • Page 56 Item Outline of specifications Remarks Freeze preventive control 1) The cooling operation (including Dry operation) is Tcj: (Low temperature release) performed as follows based on the detected Indoor heat exchanger temperature of Tc sensor or Tcj sensor. sensor temperature When [J] zone is detected for 6 minutes (Following figure), the commanded frequency is decreased from the real operation frequency.
  • Page 57 Item Outline of specifications Remarks High-temp. 1) The heating operation is performed as follows based on the release control detected temperature of Tc sensor or Tcj sensor. • When [M] zone is detected, the commanded frequency is However this control is decreased from the real operation frequency.
  • Page 58 Item Outline of specifications Remarks Filter sign display 1) The operation time of the indoor fan is calculated, [FILTER ] goes on. (Except wireless type) the filter reset signal is sent to the remote ∗ It is provided on the controller when the specified time (2500H) has Specified time: 2500H passed, and it is displayed on LCD.

  • Page 59: Optional Connector Specifications Of Indoor P.c. Board

    7-3. Optional Connector Specifications of Indoor P.C. Board Connector Function Specifications Remarks Setting at shipment: Interlock of ON by indoor unit operation, with OFF DC12V by stop operation Ventilation output CN32 ∗ The single operation setting by FAN button on the remote controller Output is performed on the remote controller (DN [31] = 0000 →...

  • Page 60: Indoor Print Circuit Board

    Power transformer (Secondary side) Indoor/Outdoor communication (Spare) (AC11V, 14V, 20V) Power supply PMV output Indoor/Outdoor communication Microcomputer (Also used for communication of operation LED EEPROM the central control system) Power transformer (Primary side) (AC240V) Remote controller power supply LED Optional output Drain pump output Remote controller...

  • Page 61: Outdoor Print Circuit Board

    7-5. Outdoor Print Circuit Board RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E Inverter P.C. board <MCC-1535> [IPDU1] Electrolytic condenser (–) Between fan IPDU and comp IPDU Electrolytic condenser (+) Communication between +12V Reactor I/F and comp IPDU Reactor Compressor out put – 61 –...
  • Page 62 Noise filter P.C. board <MCC-1551> – 62 –...
  • Page 63 Model selection jumpers Refrigerant recovery Switch (Available only service P.C. board) SW802 J800 to J803 EEPROM-IC Dip switch for service Case thermo. switch Communication signal IC801 SW801 P.M.V. CN702 CN500 (To MCC-1535) CN800 TD sensor CN600 Serial signal (To terminal block) TO sensor CN02 CN601...

  • Page 64: Circuit Configuration And Control Specifications

    8. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS 8-1. Outdoor Controls 8-1-1. Outline of Main Controls 1. Pulse Motor Valve (PMV) control 1) For PMV with 45 to 500 pulses during operation, respectively. 2) In cooling operation, PMV is controlled with the temperature difference between TS sensor and TC sensor. 3) In heating operation, PMV is controlled with the temperature difference between TS sensor and TE sensor.
  • Page 65 4. Outdoor fan control Allocations of fan tap revolutions [rpm] SM160 High — — 1) Cooling fan control The outdoor fan is controlled by TE, TD, and TO sensors and also revolution frequency of the opera- tion. The outdoor is controlled by every 1 tap of DC fan control (15 taps). Only during 60 seconds after the operation has started, the fan is fixed with the maximum fan tap which corresponds to the zone in the following table.
  • Page 66 2) Heating fan control The outdoor fan is controlled by TE sensor, TO sensor and the operation frequency. (From Min. W1 to Max. are controlled according to the following table.) During 3 minutes after start-up, the fan is fixed with the maximum fan tap corresponding to TE [˚C] zone in the following table.
  • Page 67 6. Short intermittent operation preventive control 1) For 3 to 10 minutes after operation start, in some cases, the compressor does not stop to protect the compressor even if receiving the thermostat-OFF signal from indoor. However it is not abnormal status. (The operation continuance differs according to the operation status.) 2) When the operation stops by the remote controller, the operation does not continue.
  • Page 68 10. Defrost control In heating operation, defrost operation is performed when TE sensor temperature satisfies any condition in A zone to D zone. The defrost operation is immediately finished if TE sensor temperature has become 12°C or more, or it also is finished when condition of 7°C <...

  • Page 69: Indoor Unit Troubleshooting

    9. INDOOR UNIT TROUBLESHOOTING 9-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments – • screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.

  • Page 70: Troubleshooting

    9-2. Troubleshooting 9-2-1. Check Code List (Indoor) (Indoor unit detected) Check code indication Air conditioner operation Representative defective position Explanation of error contents TCC-LINK central & Automatic Operation Wired remote controller reset continuation No communication from remote controller and network adapter ¡...
  • Page 71 Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of operation Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when controller (including wireless) and •...
  • Page 72 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of operation Condition air conditioner Power supply error of remote controller, Indoor EEPROM error 1. Check remote controller inter-unit wiring. No communication with master indoor unit 2.
  • Page 73 9-2-2. Diagnostic Procedure for Each Check Code (Indoor Unit) Check code [E01 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller Is there no disconnection or Correct connection of connector. contact error of connector on harness Check circuit wiring.
  • Page 74 [E04 error] Is group address setup of Does outdoor operate? Check Item code [14]. remote controller correct? Are wiring in indoor unit and Correct wiring and 1, 2, 3 inter-unit cables correct? inter-unit cables. Correct wiring of connector Are wirings of terminal blocks and terminal blocks.
  • Page 75 [E18 error] Is inter-unit cable Correct inter-unit cable of A and B normal? of remote controller. Is there no disconnection or contact error of connector Correct connection of connector. on harness from terminal block Check circuit wiring. of indoor unit? Is group control operation? Check power connection status of indoor unit...
  • Page 76 [L20 error] Are wiring connections to communication lines Correct wiring connection. U3 and U4 normal? Is not the multiple same central Correct central control system address. control system addresses connected? Check central controller (including network adapter) and indoor P.C. board (MCC-1403). Defect →...
  • Page 77 [P10 error] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Does float switch work? Is circuit wiring normal? Check and correct wiring and wire circuit. Does drain pump work? Are connector pins 1 and 2 Is power of at drain pump unit side shorted drain pump turned on? ∗...
  • Page 78 [P19 error] Temperature sensor check TE sensor CN601 Is operation of 4-way valve normal? TS sensor CN600 (Check pipe temp., etc. in cooling/heating operation.) Indoor TC sensor Defect → Correct and repair Is the coil resistance value of Replace coil of 4-way valve. 4-way valve between 1.3 and 1.6kΩ? Error Check operation of outdoor P.C.
  • Page 79 [F02 error] Is connection of TC sensor connector Correct connection of connector. (CN101 on Indoor P .C. board) correct? Are characteristics of Replace TC sensor. TC sensor resistance value normal? ∗ Refer to TC sensor (Temperature-Resistance value characteristic table) Check indoor P .C. board (MCC-1403). Defect →...
  • Page 80 [C06 error] (TCC-LINK central controller) Are U3 and U4 communication lines normal? Correct communication line. ∗1 Correct connection of connector. Is connection of connector normal? ∗1 TCC-LINK central: CN51 of TCC-LINK adapter P.C. board (MCC-1440) and CN050 of indoor P.C. board Check connection of A and B terminal blocks.
  • Page 81 [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal from the remote controller (also central controller). Check A and B remote controllers and communication lines of the central control system U3 and U4. As communication is impossible, this check code [E03] is not displayed on the remote controller and the central controller.

  • Page 82: Temperature Sensor

    Temperature sensor Temperature – Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensors TD, TL sensors Representative value Representative value Resistance value (kΩ Ω Ω Ω Ω ) Resistance value (kΩ Ω Ω Ω Ω ) Temperature Temperature (°C) (°C) (Minimum value) (Standard value) (Maximum value)

  • Page 83: Outdoor Unit Troubleshooting

    10. OUTDOOR UNIT TROUBLESHOOTING 10-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments – • screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.
  • Page 84 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments – • screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. •...

  • Page 85: Troubleshooting

    10-2. Troubleshooting 10-2-1. Outline of Judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method. Method to judge the erroneous position by flashing indication on the display part of the indoor unit (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.
  • Page 86 Lamp indication Check code Cause of trouble occurrence  Operation Timer Ready Heat exchanger sensor (TCJ) error   Heat exchanger sensor (TC) error Indoor unit sensor error  Heat exchanger sensor (TA) error  Alternate flash  Operation Timer Ready Discharge temp.
  • Page 87 10-2-2. Others (Other than Check Code) Lamp indication Check code Cause of trouble occurrence Operation Timer Ready — During test run Simultaneous flash Operation Timer Ready Disagreement of cool/heat — (Automatic cool/heat setting to automatic cool/heat prohibited model, or setting of heating to cooling-only model) Alternate flash New Check Code 1.
  • Page 88 10-2-3. Check Code List (Outdoor) ¡ ¥ : Go on, : Flash, : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED Sensor lamp part Remote Automatic Operation controller Block indication...
  • Page 89 ¡ ¥ : Go on, : Flash, : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED Sensor lamp part Remote Automatic Operation controller Block indication Representative defective position Detection Explanation of error contents reset...
  • Page 90 Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of operation Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when controller (including wireless) and •...
  • Page 91 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of operation Condition air conditioner Power supply error of remote controller, Indoor EEPROM error 1. Check remote controller inter-unit wiring. No communication with master indoor unit 2.

  • Page 92: Error Mode Detected By Outdoor Unit

    Error mode detected by outdoor unit Operation of diagnostic function Check code Judgment anAd measures Status of Cause of operation Condition air conditioner Indoor unit Disconnection, short of discharge temp. sensor 1. Check discharge temp. sensor (TD). Displayed when Stop (TD) error is detected 2.
  • Page 93 10-2-4. Distinction of error mode by LED indication of outdoor unit On the Type AP112, AP140 and AP160, a Dip switch (SW801) and LED are provided on the P .C. board of the outdoor unit. Exchanging this Dip switch enables users to know the status of the outdoor unit in that time. Lighting status of LED enables users to know the distinction stage before trouble of the outdoor unit will be determined and displayed on the remote controller.
  • Page 94 You can perform fault diagnosis of the outdoor unit with the LEDs on the P .C. board of the outdoor unit in addition to check codes displayed on the wired remote controller of the indoor unit. Use the LEDs and check codes for various checks. Details of check codes displayed on the wired remote controller of the indoor unit are described in the Installation Manual of the indoor unit.
  • Page 95 10-2-5. Diagnostic Procedure for Each Check Code (Indoor Unit) Check code [E01 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller Is there no disconnection or Correct connection of connector. contact error of connector on harness Check circuit wiring.
  • Page 96 [E04 error] Does outdoor unit operate? Check item code [14]. Is setup of group address correct? Are 1, 2, 3 inter-unit cables normal? Correct inter-unit cable. Are connections from connectors of inter-terminal blocks (1, 2, 3) Correct connection of connector. of indoor/outdoor units normal? Does voltage between Check indoor P .C.
  • Page 97 [E10 error] Check power supply voltage. Is there no disorder of power supply? Correct lines. Check and eliminate noise, etc. Check indoor control P.C. board. Defect → Replace [E18 error] Is inter-unit cable Correct inter-unit cable of remote controller. of A and B normal? Is there no disconnection or contact error of connector Correct connection of connector.
  • Page 98 [L09 error] Is not yet capacity setting Set capacity data of indoor unit. of indoor unit set up? (Setup item code (DN)=11) Check indoor P .C. board. Defect → Replace [L20 error] Are wiring connections to communication lines Correct wiring connection. X and Y normal? Is the central controller Check indoor P .C.
  • Page 99 [b7 error] (Central controller) Is group operation carried out? Is there check code Check indoor P .C. board. on the follower unit of Defect à Replace main/sub remote controllers? Check the corresponding indoor unit and outdoor unit. [P01 error] Isn’t there Correct wiring circuit any connection error/disconnection of the connector connection.
  • Page 100 [P10 error] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Does float switch work? Is circuit wiring normal? Check and correct wiring and wire circuit. Does drain pump work? Is power of ∗ drain pump turned on? Replace drain pump.
  • Page 101 [P12 error] Turn off the power. Is there no connection error or Correct connection disconnection on connectors CN333 of connector. and CN334 of indoor unit CN333 P .C. board (MCC-1402)? Remove connectors CN333 and CN334 of indoor unit P .C. board (MCC-1402). CN334 Does the fan rotate without trouble Replace indoor fan motor.
  • Page 102 [P22 error] Are connections of CN300, CN301, CN302 and Correct connection of connector. CN303 of P.C. board correct? Does the fan rotate without trouble when handling the fan with hands under condition ∗ of removing CN300, CN301, CN302 CN301, CN303 and CN303 from P.C.
  • Page 103 [P19 error] Is operation of 4-way valve coil 4-way valve normal? conduction? Is flow of refrigerant Is 4-way valve Check 4-way valve by electron expansion Defect → Replace coil terminal 200V valve normal? Is circuit cable normal? Check and replace Connection of CN01 on CDB electron expansion valve.
  • Page 104 [F01 error] Is connection of TCJ sensor connector Correct connection of connector. (Indoor P .C. board CN102) normal? Are characteristics of ∗ Replace TCJ sensor. TCJ sensor resistance value normal? ∗ Refer to 10-2-6. Relational graph of Check indoor P .C. board. Defect →...
  • Page 105 [P29 error] Check and correct circuit cabling Are connections of such as cabling to compressor. cable/connector normal? Is not earthed? Is compressor normal? Is not winding shorted? (Is resistance between windings 0.6 to 1.2Ω?) Is not winding opened? Check IPDU P .C. board. Compressor error →...
  • Page 106 [F08 error] Is connection of TO sensor connector Correct connection of connector. of CDB CN601 normal? Are characteristics of TO sensor ∗ Replace TO sensor. resistance value normal? ∗ Check CDB. Refer to relational graph of temperature sensor resistance value Defect →...
  • Page 107 [P03 error] Is protective control Correct the cabling and Are connections of such as discharge temprelease connection of connector. cable/connector normal? control normal? Check parts. Defect → Replace Is charged refrigerant Check and correct the amount normal? charged refrigerant amount. Improve and Is not abnormal overload? delete the cause...
  • Page 108 [P04 error] Is high-voltage protective operation by TE sensor normal? Correct connection Is connection of cabling connector normal? of cabling connector. Check TE sensor. Defect → Replace Does cooling outdoor fan normally operate? Correct connection Is connection of connector normal? of connector.
  • Page 109 [97 error] (Central controller) Are X and Y communication lines normal? Correct communication line. Are CN01, CN02 and CN03 of the network adapter P .C. board Correct connection of connector. (MCC-1401) and CN309 and CN41 connectors correctly connected? Check connection of A and B terminal blocks. Are A and B communication lines normal? Correct communication line of remote controller.
  • Page 110 [E03 error] (Master indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal sent from the main remote controller (and central controller). In this case, check the communication cables of the remote controllers A and B, the central control system X and Y.
  • Page 111 10-2-6. Relational Graph of Temperature Sensor Resistance Value and Temperature TA sensor TC, TCJ sensor Caracteristics-1 Caracteristics-2 Resistance Resistance (kΩ) (kΩ) –10 Temperature [˚C] Temperature [˚C] TE, TO, TS sensor Caracteristics-3 Resistance Resistance (kΩ) (kΩ) (10˚C or lower) (10˚C or higher) –10 Temperature [˚C] TD sensor...

  • Page 112: Replacement Of Service P.c. Board

    11. REPLACEMENT OF SERVICE P.C. BOARD 11-1. Indoort Unit <Note: when replacing the P.C. board for indoor unit servicing> The nonvolatile memory (hereafter called EEPROM, IC503) on the indoor unit P .C. board before replacement includes the model specific type information and capacity codes as the factory-set value and the important setting data which have been automatically or manually set when the indoor unit is installed, such as system/indoor/group addresses, high ceiling select setting, etc.
  • Page 113 [1] Setting data read out from EEPROM The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out. TEST Step 1 Push button on the remote controller simultaneously for more than 4 seconds. ∗...
  • Page 114 [3] Writing the setting data to EEPROM The settings stored in the EEPROM of the P .C. board for indoor unit servicing are the factory-set values. TEST Step 1 Push buttons on the remote controller simultaneously for more than 4 seconds. ∗...
  • Page 115 Table 1 Item Setting data Factory-set value Filter sign lighting time Depending on Type Filter pollution leve 0000: standard Central control address 0099: Not determined 0002: +2°C Heating suction temperature shift (flooring installation type: 0) Cooling only 0000: Heat pump Type Depending on model type Indoor unit capacity...

  • Page 116: Setup At Local Site And Others

    12. SETUP AT LOCAL SITE AND OTHERS 12-1. Indoor Unit 12-1-1. Test Run Setup on Remote Controller <Wired remote controller> TEST 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. ON / OFF Then push button.
  • Page 117 12-1-3. LED Display on P.C. Board 1. D02 (Red) • Goes on at the same time when power was turned on (Main microcomputer operates and goes on.) • Flashes with 1-second interval (every 500ms): When EEPROM is not provided or writing was an error. •...
  • Page 118 Function selection item No. (DN) list Item Contents At shipment from factory 0000: None 0001: 150H Filter sign lighting time 0002: 2500H 0003: 5000H According to type 0004: 10000H 0005: Clogging sensor used 0001: No.1 unit 0064: No.64 unit Central control address 0099: Undecided 0099: Undecided 0000: No shift...
  • Page 119 12-1-5. Wiring and Setting of Remote Controller Control 2-remote controller control (Setup method) (Controlled by 2 remote controllers) One or multiple indoor units are controlled by 2 remote controllers. This control is to operate 1 or multiple indoor units (Max. 2 remote controllers are connectable.) are operated by 2 remote controllers.

  • Page 120: Monitor Function Of Remote Controller Switch

    12-1-6. Monitor Function of Remote Controller Switch n Calling of sensor temperature display <Contents> Each data of the remote controller, indoor unit and outdoor unit can be understood by calling the service monitor mode from the remote controller. <Procedure> TEST Push buttons simultaneously for 4 seconds to call the service monitor mode.

  • Page 121: Calling Of Error History

    n Calling of error history <Contents> The error contents in the past can be called. <Procedure> TEST TEMP. ON / OFF Push buttons simultaneously for 4 seconds or more to call the service check mode. TIMER SET MODE Service Check goes on, the item code 01 is displayed, and TIME SAVE VENT...
  • Page 122 n Indoor unit power-ON sequence • The unit without power feed waits entirely → Waiting status is released by system start Power ON • Reboot when power is fed on the way <By indoor unit which receives power feed from outdoor unit> <Automatic address judgment>...

  • Page 123: Setup At Local Site / Others

    12-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 12-2-1. TCC-LINK Adapter (For TCC-LINK Central Control) 1. Function This model is an optional P .C. board to connect the indoor unit to TCC-LINK (Central controller). 2. Microprocessor block diagram Indoor unit Central controller TCC-LINK adapter P.C.

  • Page 124: Wiring Specifications

    4. Wiring specifications • Use 2-core with no polar wire. • Match the length of wire to wire length of the central No. of wires Size control system. Up to 1000m: twisted wire 1.25mm If mixed in the system, the wire length is lengthened Up to 2000m: twisted wire 2.0mm with all indoor/outdoor inter-unit wire length at side.

  • Page 125: How To Set Up Central Control Address Number

    6. External view of P.C. board assembly Terminator (SW01) 7. Address setup In addition to set up the central control address, it is necessary to change the indoor unit number. (Line/Indoor/Group address). For details, refer to TCC-LINK Adapter Installation Manual. 12-3.
  • Page 126 How to confirm the central control address (New function for AMT32 remote controller) <Procedure> It can be confirmed even during operation or stopping. UNIT LOUVER Push button for 4 seconds or more. ò In the frame at left side of the remote controller screen, the lighting set contents are displayed.

  • Page 127: Address Setup

    13. ADDRESS SETUP 13-1. Address Setup Procedure When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit.

  • Page 128: Address Setup & Group Control

    13-2. Address Setup & Group Control <Terminology> Indoor unit No. : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Single (Not group control) 1 = Master unit in group control 2 = Sub unit in group control Master unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/from the remote controllers and sub indoor units.
  • Page 129 4. Single group operation • Each indoor unit controls the outdoor unit individually. Sub/Header Sub/Header Master/Header Sub/Header Sub/Header 5. Multiple groups operation (Manual address setting) Sub/Header Sub/Header Sub/Follower Master/Header Sub/Follower Sub/Follower • Header unit: The header unit receives the indoor unit data (thermo status) of the follower (Without identical line address &...
  • Page 130 13-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single 2) Twin 3) Triple (1-1) (1-2) (1-1) (1-2) (1-3) Individual Master/Header Sub/Follower Sub/Header Master/Follower Sub/Follower (Master/Header) Only turning on source power supply (Automatic completion) 2.

  • Page 131: Address Setup (Manual Setting From Remote Controller)

    13-3. Address Setup (Manual Setting from Remote Controller) In case that addresses of the indoor units will be determined (Example of 2-lines cabling) prior to piping work after cabling work (Real line: Cabling, Broken line: Refrigerant pipe) • Set an indoor unit per a remote controller. Outdoor Outdoor •...
  • Page 132 n Confirmation of indoor unit No. position 1. To know the indoor unit addresses though position of the indoor unit body is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...

  • Page 133: Detachments

    14. DETACHMENTS 14-1. Indoor Unit REQUIREMENT • At the service replacing time of the heat exchanger, the following tools are necessary. Prepare them before the service work. • Necessary tools: Plus screwdriver, monkey wrench, spanner, etc CAUTION • Be sure to place the heat exchanger at safe and flat place and then start the work. •...
  • Page 134 2. How to replace the parts (Continued) Work procedure Explanatory drawing Remove the foaming part. Foaming part Note) Remove the foaming part carefully so that corners of the foaming part of the inner plate are not chipped off by being caught.
  • Page 135 2. How to replace the parts (Continued) Work procedure Explanatory drawing Take off the pipe fixing bracket (1) and the drain shield plate. Pipe fixing bracket (1) Drain shield plate Remove the left side plate. Left side plate Remove the inner foaming plate and the insulator material.
  • Page 136 REQUIREMENT • At the service replacing time of the fan motor, the following tools are necessary. Prepare them before the service work. • Necessary tools: Plus screwdriver, L-shape hexagonal wrench (For ØM8mm (Face to face 4mm)), ratchet wrench (For Ø6mm nut (Face to face 10mm)), monkey wrench, spanner, etc. CAUTION •...
  • Page 137 4. How to replace the parts (Continued) Work procedure Explanatory drawing Remove the electric parts box. Note) • When keeping the electric parts box, be sure not to damage or take off the sensor lead wire connected to the main unit. Motor lead wire Remove the right side plates (1) and (2).
  • Page 138 4. How to replace the parts (Continued) Work procedure Explanatory drawing Remove the reinforcing plate. Note) • The reinforcing plate is provided to protect the transportation. Scrap it after unpacking because it is unnecessary to attach when reassembling. Reinforcing plate Take off the screws which fix the bell mouth at the rear side of the motor and also take off the screws of the motor mounting plate of the mounted fan motor.
  • Page 139 6. How to replace the sensor Work procedure Explanatory drawing As same as the work procedure of the fan motor replacing, remove the right side plates (1) and (2). Right side plate (2) Right side plate Remove the shielding plate. As the shielding plate is assembled with screws, take the fixing screws off to divide the plate.
  • Page 140 6. How to replace the sensor (Continued) Work procedure Explanatory drawing Insert the connectors into the specified positions on P .C. board. Check carefully the directions on P .C. board so that wrong insertion is not done. • TA sensor : CN104 (Yellow) •...

  • Page 141: Outdoor Unit

    14-2. Outdoor Unit Part name Procedure Remarks Common Front panel Front panel Front panel procedure XREQUIREMENTX Be sure to put on the gloves at any process; otherwise an injury will be caused by the parts, etc. 1. Detachment 1) Stop operation of the air conditioner and then turn off switch of the breaker.
  • Page 142 Part name Procedure Remarks 1. Detachment Replacement Upside of fan motor Electric parts box of electric parts 1) Carry out works of 1 of 1 and 3 . Common Screw Bundling band 2) Remove the connectors connected to CDB board. procedure (Connector of power supply and upper side fan Power supply...
  • Page 143 Part name Procedure Remarks 1. Detachment Replacement of electric parts Electric parts box (A) Terminal block 1) Carry out works of 1 of 1 , 3 and 4 . Electrolytic 2) Remove the lead wire connected to the terminal block. condenser (IPDU crossover wire) 3) Remove the connector connected to the noise filter.
  • Page 144 Part name Procedure Remarks 1. Detachment Replacement of Electric parts box (A) Terminal block electric parts 1) Carry out works of 1 of 1 , 3 and 4 . IPDU P.C. board 2) Remove the lead wire connected to the terminal block.
  • Page 145 Part name Procedure Remarks 1. Detachment Reactor assembly Bundling band Bundling band Bundling band 1) Carry out works of 1 of 1 , 3 and 4 . 2) Remove lead wires connected to the terminal block. 3) Cut the bundling band which binds the rector lead wires.
  • Page 146 Part name Procedure Remarks Fan motor 1) Carry out works of 1 and work of 2 . 2) Remove the flange nut fixing the fan motor and the Propeller fan Propeller fan Propeller fan Loosened by Loosened by Loosened by turning clockwise turning clockwise turning clockwise...
  • Page 147 Part name Procedure Remarks 1. Removal of defective compressor Compressor Piping panel (Front) Piping panel (Front) Piping panel (Front) Compressor lead 1) Recover the refrigerant gas. 2) Carry out work of item 1 of 1 and work of 3) Remove the piping panel (Front). Remove the piping panel (Front) and screws of the bottom plate.
  • Page 148 Part name Procedure Remarks 2. Mounting of compressor Compressor Compressor lead 1) Mount the compressor in the reverse procedure for removal. (Continued) Note) • After replacement of the compressor, necessarily replace the compressor lead wires. (Spare parts code: 43160591) In this time, wind compressor lead around the Pay attention to Pay attention to Pay attention to...
  • Page 149 Part name Procedure Remarks 1. Detachment PMV coil Concave part PMV main unit 1) Carry out work of item 1 of 1 . 2) Turn the coil while pulling upward and then remove the coil from the PMV main unit. 2.

  • Page 150: Exploded Views And Parts List

    15. EXPLODED VIEWS AND PARTS LIST 15-1. Indoor Unit RAV-SM1403DT-A, RAV-SM1603DT-A – 150 –...
  • Page 151 Model Name Location Part No. Description RAV-SM1403DT-A RAV-SM1603DT-A 43172203 Pan Ass’y, Drain 4312C041 Motor, Fan, AC240V, 50Hz, 600W 43019830 Bushing 43020352 43020353 43170244 Hose, Drain, 25A 43139167 Bell Mouth 43139154 Band, Motor, Left 43139155 Band, Motor, Right 43179135 Band, Hose, 37-40 431S8089 Owner’s Manual 4314J404...
  • Page 152 RAV-SM1403DT-A, RAV-SM1603DT-A 403, 413 404, 410 Model Name Location Part No. Description RAV-SM1403DT-A RAV-SM1603DT-A 43050425 Sensor TC (F6) Ass’y, Service 43050426 Sensor TA, Service 43055529 Capacitor, AC450V, 8µF Fuse Block, 30A, 250V, ∗ FH153-PB 43060859 43154175 Relay, LY1F, AC220 / 240V 43158204 Transformer, TT13 (AC220 –...

  • Page 153: Outdoor Unit

    15-2. Outdoor Unit RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 26, 32 31, 33 4, 25 27, 37 6, 9 7, 8, 36 – 153 –...
  • Page 154 43146722 Coil, Valve, Solenoid, STF-01AJ502E1 4314N025 Coil, PMV, UKV-A038 4314Q031 Strainer, DIA 9.52, C1220T-H 4314Q032 Strainer 43160591 Lead Ass’y, Compressor 43194029 Bonnet 4301P703 Mark, TOSHIBA 4301P729 Mark, Inverter 43060029 Filter, Noise 43155216 Filter, Noise 43158197 Reactor, CH-65 – 154 –...
  • Page 155 RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E 716, 717 709, 710 714, 715 Model Name RAV-SM Location Part No. Description 1603AT-E, 1603ATZ-E, 1603ATZG-E 43050425 Sensor TC (F6) Ass’y, Service 43063325 Holder, Sensor, 6 - 6.35, 8 43150319 Sensor Ass’y, TD (F4), Service 43155211 Capacitor...
  • Page 156 WARNINGS ON REFRIGERANT LEAKAGE Important Check of Concentration Limit NOTE 2 : The room in which the air conditioner is to be installed requires a design that in the event of The standards for minimum room volume are as follows. refrigerant gas leaking out, its concentration will not (1) No partition (shaded portion) exceed a set limit.
  • Page 157 TOSHIBA CARRIER CORPORATION 23-17, TAKANAWA 3 CHOME, MINATOKU, TOKYO, 108-8580, JAPAN Copyright © 1999 to 2007 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved.

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