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RAS-4M27U2AVG-E
User Manuals: Toshiba RAS-4M27U2AVG-E Air Conditioner
Manuals and User Guides for Toshiba RAS-4M27U2AVG-E Air Conditioner. We have
2
Toshiba RAS-4M27U2AVG-E Air Conditioner manuals available for free PDF download: Service Manual, Installation Manual
Toshiba RAS-4M27U2AVG-E Service Manual (110 pages)
SPLIT TYPE
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 17.49 MB
Table of Contents
Table of Contents
2
Explanation of Illustrated Marks
3
Explanation of Indications
3
For General Public Use
3
Safety Precautions
3
Caution
4
Warning
5
Specifications
6
Combination of Indoor Units
7
Capacity Variation Ratio According to Outdoor Temperature
25
Capacity Variation Ratio According to Pipe Length
25
Operation Characteristic Curve
25
Piping Materials and Joints Used
26
Refrigerant Piping Installation
26
Refrigerant R32
26
Safety During Installation/Servicing
26
Flare Processing Procedures and Precautions
27
Minimum Thicknesses of Socket Joints
27
Processing of Piping Materials
27
Thicknesses of Annealed Copper Pipes
27
Dimensions Related to Flare Processing for R22
28
Dimensions Related to Flare Processing for R32(R410A)
28
Flare Processing
28
Flare Processing Dimensions
28
Flare and Flare Nut Dimensions for R22
29
Flare Connecting Procedures and Precautions
29
Relations between Flare Nut and Flare Seal Surface
29
General Tools (Conventional Tools Can be Used.)
30
Required Tools
30
Configuration of Refrigerant Charging
31
Recharging of Refrigerant
31
Brazing of Pipes
32
Flux
32
Materials for Brazing
32
Silver Brazing Filler
32
Brazing
33
Characteristics Required for Flux
33
Prevention of Oxidation During Brazing
33
Types of Flux
33
Construction Views
34
Wiring Diagram
35
Specifications of Electrical Parts
36
Refrigerant Cycle Diagram
37
Operation Data
38
Control Block Diagram
41
Outdoor Unit (Inverter Assembly)
41
Contents of Operation Command Signal
42
Operation Description
42
Outline of Air Conditioner Control
42
Role of Indoor Unit Controller
42
Basic Operation
44
Indoor Unit
44
Operation Control
44
Remote Controller
44
Cooling/Heating Operation
45
Operating Mode Selection When Performing 2-Room Operation
45
Cooling Operation, Dry Operation
46
Heating Operation
46
Outdoor Fan Motor Control
46
Capacity Control
47
Current Release Control
47
Compressor Protective Control
48
Defrost Control (Only in Heating Operation)
48
Winding/Coil Heating Control
48
Discharge Temperature Control
49
High-Pressure Switch/Compressor Case Thermostat Control
49
Pulse Motor Valve (PMV) Control
49
LED Display
50
Service Switch (SW801, SW802) Operations
50
Service Switch Setting
51
Service Switch Setting and Service Support Function
51
Turn on the Circuit Breaker
51
Confirmation Method of Various Settings
52
Operating Method
53
Service Support Function
53
Error Display
54
Error Display Which Occurs at Present
54
How to Set the SERVICE SWITCH SETTING
56
How to Set the SERVICE SUPPORT FUNCTION
57
Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo-Off Side in Heating Operation
58
Installation Procedure
59
New Tools for R32 (R410A)
59
Accessory and Installation Parts
60
Installation Place
60
Outdoor Unit
60
Refrigerant Piping
60
Draining off the Water from the Outdoor Unit
61
Installation Location
61
Precautions for Installation
61
Upper Side View (Unit: MM)
61
Detaching the Valve Cover
62
Fixing the Outdoor Unit
62
Refrigerant Piping Connection
62
Tightening Connection
62
Connectable Capacity Class
63
Pipe Connection
63
Tightening Torque of Flare Pipe Connections
63
Air Purge
64
Flare Nut Connections (Indoor Unit)
64
Gas Leak Inspection
64
Insulation of the Refrigerant Pipes
64
Electrical Work
65
Performing Additional Installation of an Indoor Unit
65
Stripping Length Power Cord and Connecting Cable
65
Wiring Connection
65
Grounding
66
Miswiring (Mispiping) Check
67
Gas Leak Test
68
Remote Control A-B Selection
68
Setting the Auto Restart
68
Test Operation
68
Discharging Method
69
How to Diagnose the Trouble
69
Confirmation of Power Supply
70
Confirmation of Power Voltage
70
First Confirmation
70
Operation Which Is Not a Trouble
70
Judgment by Flashing LED of Indoor Unit
71
Primary Judgment
71
How to Use Remote Controller in Service Mode
72
Self-Diagnosis by Remote Controller (Check Code)
72
Caution at Servicing
73
Judgment of Trouble by Symptom
79
Outdoor Unit Does Not Operate
79
Outdoor Unit Stops in a Little While after Operation Started
79
Wiring Failure
79
Control P.C.B WP-041
80
Service Support Function (LED Display, Switch Operation)
80
Trouble Diagnosis by Outdoor LED
81
Case Thermo Operation, Power Supply Error
82
Current Detection Circuit Error
82
Position Detection Circuit Error
82
Short-Circuit of Compressor Drive Element
82
Discharge Temp. Sensor (TD) Error
83
Fan System Error
83
Heat Exchanger Temp. Sensor (TE) Error
83
Suction Temp. Sensor (TS) Error
83
Compressor System Error, Compressor Lock
84
A Room Gas Side Temp. Sensor (Tga) Error
85
B Room Gas Side Temp. Sensor (Tgb) Error
85
C Room Gas Side Temp. Sensor (Tgc) Error
85
D Room Gas Side Temp. Sensor (Tgd) Error
85
Compressor Break down
86
Compressor Lock
86
Discharge Temp. Error
86
PMV Error for a Room
87
PMV Error for B Room
87
PMV Error for C Room
87
PMV Error for D Room
87
High Pressure Protective Operation
88
High Pressure SW System Error
88
Inspection of the Main Parts
89
Sensor Characteristic Table
89
How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad
90
MCC-1571
91
Wp-041
92
Detachment
93
How to Replace the Main Parts
93
Discharge Port Cabinet
94
Rear Cabinet
94
Inverter Assembly
95
CDB P.C. Board
97
IPDU P.C. Board
97
Reactor to be Attached to the Inverte Assembly
99
Reactor to be Attached to the Partition Plate
99
Replacement of Reactor
99
Fan Motor
100
Compressor Assembly
101
Removal of Defective Compressor
101
Fan Guard
102
4-Way Valve Coil
103
Pmv
103
TD Sensor
104
TE Sensor
104
Sensor Wiring Process
105
TG Sensor
105
Pressure Switch
106
Exploded Views and Parts List
107
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Toshiba RAS-4M27U2AVG-E Installation Manual (18 pages)
MULTI-SPLIT TYPE Inverter Outdoor Unit
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 1.04 MB
Table of Contents
Table of Contents
2
Precautions for Safety
3
Installation / Service Tools
9
Specifications
9
Optional Parts, Accessories
9
Installation of Outdoor Unit
10
Refrigerant Piping
11
Electrical Work
14
Grounding
15
Test Run
15
Appendix
17
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