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Toshiba RAV-SM1100UT-E Service Manual
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SERVICE MANUAL

RAV-SM1100UT-E/RAV-SM1400UT-E
RAV-SM1100AT-E/RAV-SM1400AT-E
File No. A03-003 in the page of the following table has been changed,
and the portion is expressed as
2, 5, 7, 9, 10, 17, 24, 27, 40, 41, 63, 90, 93
Revised page
Cord Heater Installation Work
R410A
mark.
FILE NO. A03-003
Revised Nov. 2003
SPLIT TYPE
PRINTED IN JAPAN, Aug.,2003 ToMo

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Summary of Contents for Toshiba RAV-SM1100UT-E

  • Page 1: Service Manual

    FILE NO. A03-003 Revised Nov. 2003 SERVICE MANUAL SPLIT TYPE RAV-SM1100UT-E/RAV-SM1400UT-E RAV-SM1100AT-E/RAV-SM1400AT-E File No. A03-003 in the page of the following table has been changed, and the portion is expressed as mark. 2, 5, 7, 9, 10, 17, 24, 27, 40, 41, 63, 90, 93...
  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ....................3 2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ..........7 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ......... 9 4. WIRING DIAGRAM .................... 11 5. SPECIFICATIONS OF ELECTRICAL PARTS ........... 13 6. INDOOR CONTROL ..................14 7. OUTDOOR CONTROL ..................24 8.
  • Page 3: Specifications

    1. SPECIFICATIONS 1-1. Specifications 1-1-1. Indoor Unit (4-Way Air Discharge Cassette Type) Model name RAV-SM1100UT-E RAV-SM1400UT-E Cooling Heating Average Cooling Heating Average Standard capacity (Note 1) (kW) 10.0 11.2 12.3 14.0 (2.2 – 11.2) (2.2 – 13.0) (3.0 – 13.2) (3.0 –...
  • Page 4 1-1-2. Outdoor Unit Model name RAV-SM1100AT-E RAV-SM1400AT-E Appearance Silky shade (Muncel 1Y8.5/0.5) 1 phase 230V (220 – 240V) 50Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Compressor Motor (kW) 3.75 Pole 4 poles Refrigerant charged (kg) R410A 2.1 R410A 2.3 Refrigerant control...
  • Page 5: Operation Characteristic Curve

    1-2. Operation Characteristic Curve RAV-SM1100UT-E <Cooling> <Heating> RAV-SM1100UT-E RAV-SM1100UT-E RAV-SM1100UT-E RAV-SM1100UT-E • 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 Pipe length : 7.5m...
  • Page 6: Capacity Variation Ratio According To Temperature

    1-3. Capacity variation ratio according to temperature <Cooling> <Heating> • Conditions • Conditions Indoor : DB27˚C/WB19˚C Indoor : DB20˚C Indoor air flow : High Indoor air flow : High Pipe length : 7.5m Pipe length : 7.5m -14 -12 -10 -8 -6 -4 -2 32 33 34 35 36 37 38 39 40 41 42 43 Outsoor temp.
  • Page 7: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. Indoor Unit RAV-SM1100UT-E/RAV-SM1400UT-E 860 to 910 Recommended external size Check port (¨450) Check port SM1100UT Ø12.7 Ø15.9 (¨450) SM1400UT Ø12.7 Ø15.9 Standing 850 or less Standing 640 or less Ceiling bottom surface Take-in port of pipes...
  • Page 8 2-2. Outdoor Unit RAV-SM1100AT-E/RAV-SM1400AT-E Knockout(Drain) Drain hole (Ø20 x 88) Suction Drain hole (Ø25) port B legs A legs Suction Knockout(Drain) port Discharge port Refrigerant pipe connecting port (Ø9.5 flare at liquid side) Refrigerant pipe connecting port (Ø15.9 flare at gas side) Mountig bolt hole Mountig bolt hole (Ø12 x 17 long hole)
  • Page 9: Systematic Refrigerating Cycle Diagram

    3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Indoor Unit/Outdoor Unit RAV-SM1100UT-E/RAV-SM1100AT-E Indoor unit Distributor TCJ sensor (Strainer incorporated) Outer diameter of refrigerant pipe Strainer Gas side ØA Liquid side ØB Air heat exchanger 15.9mm 9.5mm TC sensor Refrigerant pipe Refrigerant pipe...
  • Page 10 RAV-SM1400UT-E/RAV-SM1400AT-E Indoor unit Distributor TCJ sensor (Strainer incorporated) Outer diameter of refrigerant pipe Strainer Gas side ØA Liquid side ØB Air heat exchanger 15.9mm 9.5mm TC sensor Refrigerant pipe Refrigerant pipe at gas side at liquid side Outer dia. ØA Outer dia.
  • Page 11: Wiring Diagram

    4. WIRING DIAGRAM 4-1. Indoor Unit RAV-SM1100UT-E/RAV-SM1400UT-E (EXCT) 1 2 3 CN34 (RED) CN104 CN102 CN101 CN80 CN73 CN70 (YEL) (RED) (BLK) (GRN) (RED) (WHI) CN620 (BLU) MCC-1402 CN33 CN60 Control P.C. Board for (WHI) (WHI) Indoor Unit CN32 DC20V...
  • Page 12 4-2. Outdoor Unit RAV-SM1100AT-E/RAV-SM1400AT-E Color Identification COMPRESSOR BLACK WHITE BLUE BROWN ORANGE GRAY YELLOW PINK PURPLE GREEN GRN/YEL : GREEN&YELLOW CN606 CN09 CN10 CN11 CN600 CN601 IGBT MODULE CN604 CN500 THERMOSTAT SWITCHING CN605 REGURATOR 250V~ FUSE T3.15A CN600 250V~ CN300 FUSE CN04 CN03...
  • Page 13: Specifications Of Electrical Parts

    5. SPECIFICATIONS OF ELECTRICAL PARTS 5-1. Indoor Unit RAV-SM1100UT-E/RAV-SM1400UT-E Parts name Type Specifications SWF-230-60-1 Output (Rated) 60 W (RAV-SM1100UT-E) Fan motor SWF-230-90-1 Output (Rated) 90 W (RAV-SM1400UT-E) Thermo. sensor (TA-sensor) 155 mm 10 kΩ at 25°C Heat exchanger sensor (TCJ-sensor) Ø6 mm, 1200 mm...
  • Page 14: Indoor Control

    6. INDOOR CONTROL 6-1. Indoor Control Circuit Main (Sub) master remote controller Weekly timer Display Display driver Max. 8 units are connectable.*1 Display Function setup Function setup *1 Max. 7 units when network adapters are attached Key swit c h Key sw i t ch *2 Network adapters are attached to only CN2 CN1...
  • Page 15: Control Specifications

    6-2. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor units supply is reset When the power supply is reset, the outdoors are distinguished, and control is exchanged according to the distinguished result. 2) Setting of speed of the indoor fan/setting whether to adjust air direction or not.
  • Page 16 Item Outline of specifications Remarks Room 1) Adjustment range Remote controller setup tem- temperature perature (°C) control COOL/ Heating Auto operation operation Wired type 18 to 29 18 to 29 18 to 29 Wireless type 18 to 30 16 to 30 17 to 27 : Only for 4-way air discharge cassette type 2) Using the item code 06, the setup temperature in...
  • Page 17 Item Outline of specifications Remarks Air speed <HEAT> selection Ta (˚C) (Continued) L(L) (-0.5) –1.0 L(H) H(H) (+0.5) +1.0 (HH) (+1.0) +2.0 (+1.5) +3.0 (HH) (+2.0) +4.0 Value in the parentheses indicates one when thermostat of the remote controller works. Value without parentheses indicates one when thermostat of the body works.
  • Page 18 Item Outline of specifications Remarks Cool air 1) In heating operation, the indoor fan is controlled based In D or E zone, the priority discharge on the detected temperature of Tc sensor or Tcj sensor. is given to setup of air preventive As shown below, the volume exchange.
  • Page 19 Item Outline of specifications Remarks Drain pump control 1) In cooling operation (including Dry operation), the drain pump is usually operated. (For the duct, when 2) If the float switch operates while drain pump the drain-up kit operates, the compressor stops, the drain pump (sold separately) is continues the operation, and a check code is mounted)
  • Page 20 Item Outline of specifications Remarks <In case of wired remote controller> Frequency fixed operation 1. When pushing [CHECK] button for 4 seconds or more, (Test run) [TEST] is displayed on the display screen and the mode enters in Test run mode. 2.
  • Page 21 Item Outline of specifications Remarks Central control 1) Setting at the central controller side enables to select mode selection the contents which can be operated on the remote controller at indoor unit side. 2) RBC-AMT21 [Last push priority] : (No display) The operation contents can be selected from both remote controller and central controller of the indoor unit side, and the operation is performed with the...
  • Page 22 6-3. Indoor Print Circuit Board RAV-SM1100UT-E/RAV-SM1400UT-E <MCC-1402> – 22 –...
  • Page 23 6-4. Indoor P.C. Board Optional Connector Specifications Connector Function Specifications Remarks Option output CN60 DC12V (COM) Defrost output ON during defrost operation of outdoor unit Thermo. ON output ON during Real thermo-ON (Comp ON) Cooling output ON when operation mode is in cooling system (COOL, DRY, COOL in AUTO cooling/heating) Heating output ON when operation mode is in heating system...
  • Page 24: Outdoor Control

    7. OUTDOOR CONTROL 7-1. Outline of Main Controls 1. Pulse Modulating Valve (PMV) control 1) For PMV, SM1100 is controlled with 45 to 500 pulses and SM1400 with 50 to 500 pulses during opera- tion, respectively. 2) In cooling operation, PMV is controlled with the temperature difference between TS sensor and TC sensor.
  • Page 25 4. Outdoor fan control Allocautions of fan tap revolutions [rpm] Upper fan SM1100 Lower fan Upper fan SM1400 Lower fan 1) Cooling fan control The outdoor fan is controlled by TE sensor. (Cooling: Temperature conditions after medium term) TE [˚C] The cooling fan is controlled by every 1 tap of DC fan control (14 taps).
  • Page 26 5. Coil heating control 1) This control function heats the compressor by turning on the stopped compressor instead of a case heater. It purposes to prevent slackness of the refrigerant inside of the compressor. 2) As usual, turn on power of the compressor for the specified time before a test run after installation, otherwise a trouble of the compressor may be caused.
  • Page 27 9. Current release value shift control This control function prevents troubles of the electron parts such as G-Tr of inverter of compressor drive system and troubles of the compressor during cooling operation. This control function corrects the current release control value ( 1) in item 3 of 7-1. by Current release control.
  • Page 28 7-2. Print Circuit Board <Viewed from parts of P.C board> MCC-1398 – 28 –...
  • Page 29: Troubleshooting

    8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check The following operations are normal.
  • Page 30 <Wireless remote controller type> (Only for 4-way air discharge cassette type models) 1. Before troubleshooting 1) Required tools/instruments • + and – screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check The following operations are normal.
  • Page 34 8-3. Error Mode Detected by LED on Outdoor P.C. Board <SW800: LED display in bit 1, bit 2, bit 3 OFF> • When multiple errors are detected, the latest error is displayed. ¡ • When LED display is (Go on), there is the main cause of trouble on the objective part of control at CDB side and the unit stops.
  • Page 35: Troubleshooting Procedure For Each Check Code

    8-4. Troubleshooting Procedure for Each Check Code 8-4-1. New Check Code/Present Check Code (Central Control Side) [E01 error]/ [99 error] : When central controller [99] is displayed, there are other causes of error. Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector.
  • Page 36 [E04 error]/[04 error] Does outdoor unit operate? Is setup of group address correct? Check item code [14]. Correct inter-unit cable. Are 1, 2, 3 inter-unit cables normal? Are connections from connectors Correct connection of connector. of inter-terminal blocks (1, 2, 3) of indoor/outdoor units normal? Check indoor P.C.
  • Page 37 [E10 error]/[CF error] <Only for 4-way air discharge cassette type Check indoor control P.C. board (MCC-1402). Defect Replace [E18 error]/[97 error] [99 error] : When central controller [99] is displayed, there are other causes of trouble. Correct inter-unit cable of remote controller. Is inter-unit cable of A and B normal? Is there no disconnection Correct connection of connector.
  • Page 38 [L20 error]/[98 error] Are cable connections to Correct cable connection communication line X, Y normal? Check indoor P.C. board Is central controller [98] displayed? (MCC-1402 or MCC-1403). Defect Replace Is indoor remote controller [L20] displayed? Are not multiple Correct central control network address. same central control network addresses connected? Check central controller...
  • Page 39 [P10 error]/[0b error] Is connection of float switch connector Correct connection of connector. (Indoor control P.C. board CH34) normal? Does float switch operate? Check and correct cabling/wiring. Is circuit cabling normal? Check indoor P.C. board (MCC-1402 or MCC-1403). Defect Replace Does drain pump operate? Check indoor P.C.
  • Page 40 [P12 error]/[11 error] <Only for 4-way air discharge cassette type models (RAV-SM1100UT-E/RAV-SM1400UT-E)> Turn off the power. Are not there connections errors or Correct connection of connector. disconnection on connectors CN333 and CN334 of indoor unit P.C. board (MCC-1402)? Remove connectors CN333 and CN334 of indoor unit P.C.
  • Page 41 [P22 error]/[1A error] Are connections of CN301, CN303 and CN300, CN302 of P.C. board correct? Does the fan rotate without trouble CN301, CN303 when handling the fan with hands under condition of removing CN301, CN303 and CN300, CN302 from P.C. board? The status that the resistance values between leads below are 50 to 80W for 43W motor (ICF-140-43) and 25 to 55W...
  • Page 42 [P19 error]/[08 error] Is voltage applied Is operation of to 4-way valve coil terminal 4-way valve normal? in heating operation? Is flow of refrigerant Check 4-way valve by electron expansion Defect Replace valve normal? Check and replace electron expansion Is circuit cable normal? valve.
  • Page 43 [F01 error]/[0F 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 Characteristics-2. Check indoor P.C. board (MCC-1403). Defect Replace [P26 error]/[14 error] Is power voltage normal? Improve the power supply line.
  • Page 44 [P29 error]/[16 error] Are connections of Check and correct circuit cabling cable/connector normal? such as cabling to compressor. Is compressor normal? Compressor error Replace Is not earthed? Is not winding shorted? Compressor error Replace (Is resistance between windings 0.6 to 1.2W?) Is not winding opened? Compressor error Replace...
  • Page 45 [F06 error]/[18 error] Are connections of Correct connection of connector. TE/TS sensor connectors of CDB CN604/CN605 normal? Are characteristics of TE/TS sensor Replace TE and TS sensors. resistance values normal? Check CDB. * Refer to Characteristics-3. Defect Replace [F04 error]/[19 error] Is connection of TD sensor connector Correct connection of connector.
  • Page 46 [L29 error]/[1C error] Are connections of Correct connection of connector. CDB CN800 and CDB IPDU CN06 connectors normal? Check cabling between IPDU Was the error just after Are cabling/connector normal? power ON determined? and CDB and connector. IPDU P.C. board error Defect Replace Improve and eliminate the cause.
  • Page 47 [P03 error]/[1E error] Is protective control such as Are connections of Correct the cabling and discharge temprelease control normal? cable/connector normal? connection of connector. Check parts. Defect Replace Check and correct the charged Is charged refrigerant amount normal? refrigerant amount. Improve and delete the cause Is not abnormal overload? Are characteristics of...
  • Page 48 [P04 error]/[21 error] Is high-voltage protective operation by TE sensor normal? Correct connection of Is connection of cabling connector normal? cabling connector. Check TE sensor. Defect Replace Does cooling outdoor fan normally operate? Is connection of Correct connection of connector. connector normal? Replace fan motor.
  • Page 49 [97 error] (Central controller) Correct communication line. Is X, Y communication line normal? Are connections between connectors CN02, CN03 of network adapter P.C. board Correct connection of connector. and connectors CN309, CN41 of indoor P.C. board (MCC-1402 or MCC-1403, normal? Check connections of A, B terminal blocks.
  • Page 50 [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 51 8-4-2. Relational Graph of Temperature Sensor Resistance Value and Temperature TA sensor TC, TCJ sensor Caracteristics-2 Caracteristics-1 Resistance Resistance (k ) (k ) –10 Temperature [˚C] Temperature [˚C] TE, TO, TS sensor Caracteristics-3 Resistance Resistance (k ) (k ) (10˚C or higher) (10˚C or lower) Temperature [˚C] TD sensor...
  • Page 52 8-5. Troubleshooting 8-5-1. Troubleshooting with CHECK Display of Central Remote Controller 1. Operation for CHECK display When pushing the CHECK switch, the indoor unit No. (Network address No.) including the check data is displayed in the UNIT No. display section, and the check code is displayed in the set up temp. display sec- tion.
  • Page 53 8-5-2. Check Code Table Error mode detected by indoor unit (1) Operation of diagnostic function Judgment and measures Block Check Status of air Cause of operation Condition display code conditioner [MODE] The serial signal is not output Operation Displayed when 1.
  • Page 54 Error mode detected by indoor unit (1) Operation of diagnostic function Judgment and measures Block Check Status of air Cause of operation Condition display code conditioner [MODE] lamp Error in indoor fan system All stop Displayed when 1. Check indoor fan motor connector 5Hz flash error is detected circuit (CN210).
  • Page 55 Error mode detected by outdoor unit Operation of diagnostic function Judgment and measures Check Status of air Cause of operation Condition code conditioner Inverter over-current protective All stop Displayed when 1. Inverter immediately stops even if restarted. circuit operates. error is detected •...
  • Page 56: Replacement Of Service Indoor P.c. Board

    9. REPLACEMENT OF SERVICE INDOOR P.C. BOARD [Requirement when replacing the service indoor P.C. board assembly] In the non-volatile memory (Hereinafter said EEPROM, IC10) installed on the indoor P .C. board before replace- ment, the type and capacity code exclusive to the corresponding model have been stored at shipment from the factory and the important setup data such as system/indoor/group address set in (AUTO/MANUAL) mode or setting of high ceiling selection have been stored at installation time.
  • Page 57 H1 Readout of the setup data from EEPROM (Data in EEPROM contents, which have been changed at the local site, are read out together with data in EEPROM set at shipment from the factory.) 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 58 H3 Writing of the setup contents to EEPROM (The contents of EEPROM installed on the service P .C. board have been set up at shipment from the factory.) 1. Push , and buttons of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 59 Memorandum for setup contents (Item code table (Example)) Item Memo At shipment Filter sign lighting time According to type Dirty state of filter 0000: Standard Central control address 0099: Unfixed Heating suction temp shift 0002: +2°C (Floor type: 0) Cooling only 0000: Shared for cooling/heating Type According to model type...
  • Page 60: Setup At Local Site And Others

    10. SETUP AT LOCAL SITE AND OTHERS 10-1. Indoor Unit 10-1-1. Test Run Setup on Remote Controller <Wired remote controller> 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. Then push button.
  • Page 61 10-1-2. Setup to Select Function <Procedure> Use this function while the indoor unit stops. Push , and buttons concurrently for 4 seconds or more. The unit No. displayed at the first time indicates the indoor unit address of the master unit in the group control. In this time, fan and flap of the selected indoor unit operate.
  • Page 62 Item No. (DN) table (Selection of function) Item Description At shipment Filter sign lighting 0000 : None 0001 : 150H According to type time 0002 : 2500H 0003 : 5000H 0004 : 10000H 0005 : Clogged sensor used Dirty state of filter 0000 : Standard 0001 : High degree of dirt 0000 : Standard...
  • Page 63 10-1-3. Cabling and Setting of Remote Controller Control 2-remote controller control (Controlled by two remote controllers) One or multiple indoor units are controlled by two remote controllers. (Max. 2 remote controllers are connectable.) Remote controller Remote controller • 1 indoor unit is controlled by 2 switch (Sub) switch (Master) remote controllers...
  • Page 64 10-1-4. Monitor Function of Remote Controller Switch n Call of sensor temperature display <Contents> SET DATA Each sensor temperature of the remote controller, indoor UNIT No. unit, and outdoor unit can become known by calling the R.C. service monitor mode from the remote controller. <Procedure>...
  • Page 65: Group Control Operation

    n Calling of error history <Contents> The error contents in the past can be called. SET DATA <Procedure> UNIT No. R.C. Push buttons simultaneously for 4 seconds or more to call the service check mode. Service Check goes on, the item code displayed, and then the content of the latest alarm is displayed.
  • Page 66: Network Adapter

    10-2. Network Adapter Model name: TCB-PCNT20E 10-2-1. Function A network adapter is an optional P .C. board to connect the indoor unit to AI net (Central control remote controller). 10-2-2. Microcomputer Block Diagram Central control Remote controller remote controller Indoor unit Optional communication P.C.
  • Page 67 10-2-5. Communication Cable Specifications Communication circuit Communication cable specifications Remote controller Cable Neutral 2-cable type communication side Cable type (JIS C3401) Controlling vinyl insulation vinyl seal cable VCTF (JIS C3306) Vinyl cab tire round type cord (JIS C3401) 600V vinyl cab tire cable (JIS C3401) Vinyl insulation seal cable round type MVVS Cable with net shielding for instrumentation CPEVS Shielded polyethylene insulation vinyl seal cable...
  • Page 68 10-3. How to Set an Address Number When connecting indoor units to the central control remote controller by using a network adapter, it is required to set up a network address No. • The network address No. should be agreed with the line No. of the central control remote controller. •...
  • Page 69 Table 2 Network address No. setup table (SW01) ¡ : ON side × : OFF side  ‚ ƒ „ … †  ‚ ƒ „ … † Address No. Address No. ¡ ¡ × × × × × × ×...
  • Page 70 10-4. Display and Operation of Main Remote Controller and Central Control Remote Controller 1. Turn on all the power supplies of the air conditioner, and then turn on power of the central control remote controller (Line 16 RBC-SXC1P , Line 64 TCB-SC641). If both power supplies are simultaneously turned on or if they are turned on reversely, the check code [97] may be temporarily displayed on the central remote controller.
  • Page 71: Address Setup

    11. ADDRESS SETUP 11-1. Address Setup <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 72 11-2. 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 = Individual (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 73 11-3. Address Setup In case that addresses of the indoor units will be determined prior to piping work after cabling work (Manual setting from remote controller) <Address setup procedure> • Set an indoor unit per a remote controller. • Turn on power supply. (Example of 2-lines cabling) Push buttons simultaneously...
  • Page 74 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 75: Detachments

    12. DETACHMENTS 12-1. Indoor Unit RAV-SM1100UT-E, SM1400UT-E Part name Procedure Remarks  Suction grille REQUIREMENT Never forget to put on the gloves at disassembling work, otherwise an injury will be caused. Knob of suction grille 1. Detachment 1) Stop operation of the air conditioner, and then turn off switch of the breaker.
  • Page 76 Part name Procedure Remarks ƒ 1. Detachment Adjust corner  1) Perform work of item 1. of 2) Remove screws at 4 corners of the suction port. (Ø4 x 10, 4 pcs.) 3) Push the knob outward and remove the Screw adjust corner cap by sliding it.
  • Page 77 Part name Procedure Remarks … Control P .C. 1. Detachment  board 1) Perform works of items 1 of and 1 of ‚ 2) Remove connectors which are con- nected from the control P .C. board to other parts. CN33 : Flap motor (5P: White) CN34 : Float switch (3P: Red) Card-edge spacer CN41 : Terminal block of remote...
  • Page 78 Part name Procedure Remarks † 1. Detachment Fan motor  1) Perform works of items 1 of and 1 of ‚ Screws fixing electric parts box 2) Remove clamps of the lead wires con- nected to the following connectors of the control P .C.
  • Page 79 Part name Procedure Remarks ‡ 1. Detachment Drain pan  ‚ 1) Perform works of items 1 of , 1 of ƒ „ and 1 of 2) Remove clamps of the lead wires con- nected to the following connectors of the control P .C.
  • Page 80 Part name Procedure Remarks ˆ 1. Detachment Drain pump  ‚ assembly 1) Perform works of items 1 of , 1 of Slide to hose side. ƒ „ ‡ 1 of , 1 of and 1 of 2) Picking the hose band, slide it from pump connecting part to remove the drain hose.
  • Page 81 Part name Procedure Remarks ‰ 1. Detachment Heat exchanger 1) Recover refrigerant gas. 2) Remove refrigerant pipe at the indoor unit side.  ‚ 3) Perform works of items 1 of , 1 of Fixing screws ƒ „ ‡ 1 of , 1 of and 1 of 4) Remove screws fixing the pipe cover.
  • Page 82 12-2. Outdoor Unit RAV-SM1100AT-E, RAV-SM1400AT-E Part name Procedure Remarks  Common procedure REQUIREMENT Front panel Before works, put on gloves, otherwise an injury may be caused by parts, etc. 1. Detachment 1) Stop operation of the air conditioner, and turn off switch of the breaker. 2) Remove the front panel.
  • Page 83 Part name Procedure Remarks ‚ 1. Detachment Air-outlet cabinet Heat exchanger Air-outlet cabinet  1) Perform the work in 1 of 2) Take off screws for the air-outlet cabinet and the partition plate. (ST1T Ø4 × 10, 3 pcs.) 3) Take off screws for the air-outlet cabinet and the base plate.
  • Page 84 Part name Procedure Remarks „  ƒ Inverter 1) Perform the works in 1 of Inverter assembly Cycle P.C. board assembly 2) Remove connectors which are connected from the cycle P .C. board to other parts. CN600: TD sensor (3P: White) CN601: TO sensor (2P: White) CN604: TE sensor (2P: White) *(Note 1) CN605: TS sensor (3P: White) *(Note 1)
  • Page 85 Part name Procedure Remarks …  ƒ Cycle P .C. board 1) Perform the works in 1 of Cycle control P.C. board assembly 2) Remove connectors and lead wires which are connected from the cycle P .C. board to other parts. 1.
  • Page 86 Part name Procedure Remarks † „ … IPDU P .C. board 1) Perform the works in Screw Screw 2) Take off screws of the inverter assembly to separate the inverter assembly. (M4 × 8, 4 pcs) 3) Remove the connectors and the lead wires which are connected from IPDU P .C.
  • Page 87 Part name Procedure Remarks ‡  ‚ Fan motor 1) Perform the works in 1 of and 1 of Flange nut Flange nut Loosen by Loosen by 2) Take off flange nut fixing the fan motor with turning clockwise. turning clockwise. the propeller fan.
  • Page 88 Part name Procedure Remarks ˆ Compressor 1) Recover refrigerant gas.  ƒ 2) Perform the works in 1 of and in 3) Remove the piping panel (Front). Take off screws of the piping panel (Front) and the base plate. (ST1T Ø4 × 10, 2 pcs) Take off screws of the piping panel (Front) and the piping panel (Rear).
  • Page 89 Part name Procedure Remarks Š 1. Detachment Fan guard  ‚ 1) Perform the works in 1 of and in 1 of Air-outlet cabinet REQUIREMENT Bell-mouth To prevent damage on the products, treat component on a corrugated paper, cloth, etc. Screws (2 pcs) Remove...
  • Page 90: Exploded Views And Parts List

    13. EXPLODED VIEWS AND PARTS LIST 13-1. Indoor Unit RAV-SM1100UT-E/RAV-SM1400UT-E CODE No. SET DATA UNIT No. SETTING TEST R.C. 209, 210 202, 203 UNIT 216, 218, 222 204, 205 213, 214, 220 227, 228 Location Location Part Description Part Description...
  • Page 91 Location Part Description 43060750 Terminal Block, 3P 43050382 Sensor, TC (F6) 43150297 Sensor, TC 43160445 Terminal Block, 2P , 1A, AC30V 4316V220 P .C. Board Ass’y, MMC-1402 (220–240V) – 91 –...
  • Page 92 13-2. Outdoor Unit RAV-SM1100AT-E/RAV-SM1400AT-E Inverter 23 9 26,27 23,24 28,29 Location Location Part Description Part Description 43148170 Accumulator Ass’y, 2.5L 43005482 Base Ass’y (SM1100AT-E) 43148176 Strainer 43100248 Base Ass’y (SM1400AT-E) 43121704 Motor, Fan, ICF-140-63-2 43041772 Compressor Ass’y, DA220A2F-20L 4302C040 Motor, Fan, ICF-140-43-2 (SM1100AT-E) (SM1100AT-E) 43041774...
  • Page 93 702 TD SENSOR 701 TO SENSOR 701 TE SENSOR 701 TS SENSOR R501 R500 CN600 IC800 CN601 CN604 CN800 CN12 CN04 CN03 703 TH SENSOR 707, 708 RY01 Location Location Part Description Part Description 43050382 Sensor, TC (F6) 4316V218 P .C. Board Ass’y, IPDU, MCC-1438 (SM1100AT) 43050384 Sensor, TD...
  • Page 94: Cord Heater Installation Work

    Appendix CORD HEATER INSTALLATION WORK Applicable Models: RAV-SM1100AT-E, RAV-SM1400AT-E 1. Required parts for installation work (Recommendation) Part name Q’ty Specifications/Vendor Remarks Cord heater Drain line heaters CSC2 (3.0m, 40W/m) by Flexelec com. Procured locally (Please go to the following URL.) http://www.flexelec.com Thermostat US-622AXRLQE by ASAHI KEIKI...
  • Page 95 Appendix 2. Required tools for installation work Part name Specifications Usage Plus screwdriver It is used for disassembling and assembling of each cabinet. Wrench It is used for disassembling and assembling of compressor fixing nuts. Motor drill Drill diameter: It is used to make the additional holes on the base or the back cabinet. Ø3.2 and Ø5.0 Faston crimping tool Fixing jig for #250...
  • Page 96 Appendix 4. Cord heater installation work procedure Photo / Explanatory diagram Procedure Remove each cabinet, inverter assembly, motor base assembly, and partition board assembly. * Do not damage the electric parts such as cables, connectors, etc. while this work. <Example for RAS-13JAVP-E> As shown in the left figure, remove the set of refrigeration cycle assembly from the outdoor unit base.
  • Page 97 Appendix Photo / Explanatory diagram Procedure Perform end process and bundling of each cable. Thermostat Using fixing screws (Self-tapping screw type-B Ø3.5 × 8mm), fix the thermostat to the thermostat fixing plate. Thermostat Fuse fixing plate Fuse holder Perform end process for various lead cables and connect them according to the wiring diagram.

This manual is also suitable for:

Rav-sm1400ut-eRav-sm1400at-eRav-sm1100at-e

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