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RAS-5M34S3AV-A
User Manuals: Toshiba RAS-5M34S3AV-A Room Inverter
Manuals and User Guides for Toshiba RAS-5M34S3AV-A Room Inverter. We have
2
Toshiba RAS-5M34S3AV-A Room Inverter manuals available for free PDF download: Service Manual, Installation Manual
Toshiba RAS-5M34S3AV-A Service Manual (113 pages)
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 6.92 MB
Table of Contents
Service Manual
1
Table of Contents
2
Explanation of Illustrated Marks
3
Explanation of Indications
3
For General Public Use
3
Safety Precautions
3
Specifications
5
DRED Installation Position
6
Outline of DRED Wiring
6
Summaries of Product Characteristics
6
Demand Response P.C. Board
7
Parts for Demand Response
7
Specifications of Electrical Parts
7
Capacity Variation Ratio According to Outdoor Temperature
26
Capacity Variation Ratio According to Pipe Length
26
Operation Characteristic Curve
26
Piping Materials and Joints Used
27
Refrigerant Piping Installation
27
Refrigerant R410A
27
Safety During Installation/Servicing
27
Joints
28
Minimum Thicknesses of Socket Joints
28
Processing of Piping Materials
28
Thicknesses of Annealed Copper Pipes
28
Dimensions Related to Flare Processing for R22
29
Dimensions Related to Flare Processing for R410A
29
Flare and Flare Nut Dimensions for R410A
29
Flare Processing Dimensions
29
Flare and Flare Nut Dimensions for R22
30
Flare Connecting Procedures and Precautions
30
Relations between Flare Nut and Flare Seal Surface
30
General Tools (Conventional Tools Can be Used.)
31
Required Tools
31
Tools
31
Configuration of Refrigerant Charging
32
Recharging of Refrigerant
32
Brazing of Pipe
33
Flux
33
Materials for Brazing
33
Silver Brazing Filler
33
Brazing
34
Brazing Method to Prevent Oxidation
34
Characteristics Required for Flux
34
Types of Flux
34
Construction Views
35
Outdoor Unit
36
Wiring Diagram
36
Connection Procedure
38
Important Notice
38
Wiring between DRED
38
Air Conditioner Demand Response
39
Wiring Procedure
39
Specifications of Electrical Parts
40
Refrigerant Cycle Diagram
41
Operation Data
42
Control Block Diagram
48
Outdoor Unit (Inverter Assembly)
48
Operation Description
50
Outline of Air Conditioner Control
50
Role of Indoor Unit Controller
50
Role of Outdoor Unit Controller
50
Basic Operation
52
Indoor Unit
52
Operation Control
52
Cooling/Heating Operation
53
Operating Mode Selection When Performing 2-Room Operation
53
Outdoor Fan Motor Control
54
Capacity Control
55
Current Release Control
55
Compressor Protective Control
56
Defrost Control (Only in Heating Operation)
56
Winding/Coil Heating Control
56
Discharge Temperature Control
57
High-Pressure Switch/Compressor Case Thermostat Control
57
Pulse Motor Valve (PMV) Control
57
Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo-Off Side in Heating Operation
58
Various Setting on Outdoor Unit (Power Save, Cooling-Only, Etc.)
58
Changes in the Product and Components
59
Installation Procedure
59
Installation/Servicing Tools
59
New Tools for R410A
59
Accessory and Installation Parts
60
Installation Place
60
Optional Installation Parts
60
Refrigerant Piping
60
Fixing Bolt Arrangement of Outdoor Unit
61
Necessary Space for Installation
61
Side View (Unit: MM)
61
Upper Side View (Unit: MM)
61
How to Remove the Front Panel
62
Tightening Connection
62
Tightening Torque of Flare Pipe
62
Air Purge
63
Evacuating
63
Refrigerant Piping Connection
63
Use a Vacuum Pump
63
Electrical Work
64
Packed Valve Handling Precautions
64
Stripping Length Power Cord and Connecting Cable
64
Wiring Connection
64
Check and Test Operation
65
Miswiring (Mispiping) Check
65
Gas Leak Test
67
Remote Control A-B Selection
67
Setting the Auto Restart
67
Test Operation
67
Discharging Method
68
How to Diagnose the Trouble
68
Confirmation of Power Supply
69
Confirmation of Power Voltage
69
First Confirmation
69
Operation Which Is Not a Trouble
69
Judgment by Flashing LED of Indoor Unit
70
Primary Judgment
70
How to Use Remote Controller in Service Mode
71
Self-Diagnosis by Remote Controller
71
Caution at Servicing
72
Judgment of Trouble by Symptom
78
Outdoor Unit Does Not Operate
78
Outdoor Unit Stops in a Little While after Operation Started
78
Wiring Failure (Interconnecting and Serial Signal
78
Control P.C.B MCC-5071
79
Display Part
79
Operation Part
79
Service Support Function (LED Display, Switch Operation)
79
Trouble Diagnosis by Outdoor LED
80
Case Thermo Operation, Power Supply Error
81
Current Detection Circuit Error
81
Position Detection Circuit Error
81
Short-Circuit of Compressor Drive Element
81
Discharge Temp. Sensor (TD) Error
82
Fan System Error
82
Heat Exchanger Temp. Sensor (TE) Error
82
Suction Temp. Sensor (TS) Error
82
Compressor System Error, Compressor Lock
83
A Room Gas Side Temp. Sensor (Tga) Error
84
B Room Gas Side Temp. Sensor (Tgb) Error
84
C Room Gas Side Temp. Sensor (Tgc) Error
84
D Room Gas Side Temp. Sensor (Tgd) Error
84
Communication Error between Mcus
85
Compressor Lock
85
Discharge Temp. Error
85
Compressor Break down
86
PMV Error for a Room
86
PMV Error for B Room
86
PMV Error for C Room
86
High Pressure SW System Error
87
PMV Error for D Room
87
PMV Error for E Room
87
Before Troubleshooting
89
Diagnosis When Compressor Does Not Work
89
Diagnosis When Cooling/Heating Is Poor
89
Troubleshooting Procedure
89
Troubleshooting for Demand Unit
90
Inspection of the Main Parts
91
Sensor Characteristic Table
91
How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad
92
How to Replace the Main Parts
95
Inverter Assembly
97
CDB P.C. Board
99
IPDU P.C. Board
99
Reactor to be Attached to the Inverter Assembly
101
Replacement of Reactor
101
Fan Motor
102
Compressor Assembly
103
Removal of Defective Compressor
103
Fan Guard
104
Fin Guard
104
4-Way Valve Coil
105
TD Sensor
106
TE Sensor
106
TO Sensor
106
TS Sensor
106
Sensor Wiring Process
107
TG Sensor
107
Pressure Switch
108
Demand P.C. Board
109
Exploded Views and Parts List
110
Inverter Assembly
111
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Toshiba RAS-5M34S3AV-A Installation Manual (16 pages)
MULTI-SPLIT TYPE
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 1.29 MB
Table of Contents
Table of Contents
2
Precautions for Safety
3
Installation / Service Tools
7
Specifications
7
Optional Parts, Accessories
7
Installation of Outdoor Unit
8
Refrigerant Piping
9
Electrical Work
11
Grounding
11
Wiring between DRED (Demand Response Enabling Device) and Outdoor Unit
12
Test Run
15
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