Toshiba RAS-4M27U2AVG-TR Manuals

Manuals and User Guides for Toshiba RAS-4M27U2AVG-TR. We have 1 Toshiba RAS-4M27U2AVG-TR manual available for free PDF download: Service Manual

Toshiba RAS-4M27U2AVG-TR Service Manual

Toshiba RAS-4M27U2AVG-TR 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
Refrigerant R32
26
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
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
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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