Daikin RZQS125C7V1B Manuals

Manuals and User Guides for Daikin RZQS125C7V1B. We have 2 Daikin RZQS125C7V1B manuals available for free PDF download: Service Manual

Daikin RZQS125C7V1B Service Manual

Daikin RZQS125C7V1B Service Manual (502 pages)

SkyAir series Service Diagnosis

Brand: Daikin | Category: Air Conditioner | Size: 2.95 MB

Table of Contents

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Daikin RZQS125C7V1B Service Manual

Daikin RZQS125C7V1B Service Manual (314 pages)

R-410A, 50Hz

Brand: Daikin | Category: Heat Pump | Size: 17.46 MB

Table of Contents

Table of Contents
2
Introduction
7
- Safety Cautions
  7
- Preface
  11
Skyair Inverter GQI III Series
12
Part 1 General Information
14
Combination
15
- Combination Overview
  15
- Combination Matrix
  16
External Appearance
17
Model Name and Power Supply
18
Part 2 Specifications
20
Specifications
21
- RZQ71C7, 100C7, 125C7 and 140C7 (Single Phase)
  21
- RZQS71C7, 100C7, 125C7 and 140C7 (Single Phase)
  25
Part 3 Remote Controller
30
Wired Remote Controller
31
- Features
  31
- Installation
  33
Wireless Remote Controller
35
- Features
  35
Method of Operating Remote Controller
37
Part 4 Functional Description
42
General Functionality
44
- Functions of Thermistors
  44
- Forced Operating Mode (Emergency Operation)
  46
- Outdoor Unit Identification Function
  48
- Simulated Operation Function
  49
- Restart Standby
  50
- Automatic Restart
  51
- Using Conditions for Remote Controller Thermostat
  52
- Forced Thermostat off
  54
- Test Run Control
  55
- 4-Way Valve Control
  56
- Pump down Operation
  57
- Defrost Operation
  58
- Freeze Prevention Function
  60
- PMV Control
  61
- Preheating Operation Control
  62
- Crankcase Heater Control
  63
Indoor Unit Functional Concept
64
- Thermostat Control
  64
- Drain Pump Control
  65
- Condensation Avoidance Control
  66
- Draft Avoidance Control 1
  67
- Draft Avoidance Control 2
  68
- Fan and Flap Operation
  69
- Indoor Unit Fan Control
  70
Outdoor Unit Functional Concept
72
- Function Outline in Cooling Mode
  72
- Function Outline in Heating Mode
  73
Frequency Regulating Functions
74
Expansion Valve Regulating Functions
89
Outdoor Unit Fan Speed Control
92
Part 5 Test Operation
94
Test Operation
95
- Test Run Checks
  95
- Setting the Wireless Remote Controller
  96
Field Settings
100
Test Run and Operation Data
127
- General Operation Data
  127
- Operation Range
  130
Part 6 Troubleshooting
132
How to Handle Request for Maintenance
134
- General Troubleshooting Flowchart
  134
Troubleshooting Based on Equipment Condition
135
Procedure of Self-Diagnosis by Remote Controller
155
Troubleshooting by LED Indications
163
- Troubleshooting by LED on the Indoor Units
  163
- Troubleshooting by LED on Outdoor Unit PC Board
  164
Troubleshooting by Remote Controller Display / LED Display
165
Part 7 Appendix
252
Dimensions
253
- Rzq71C7, Rzqs71·100C7V1B
  253
- Rzq100~140C, Rzqs125·140C7V1B
  254
Installation and Service Space (RZQ100~140C7, RZQS125~140C7)
255
- Non Stacked
  255
- Stacked
  256
- Multiple Rows
  256
Piping Diagrams
257
- Piping Symbol
  257
- Pair System
  258
- Twin System
  260
- Triple System
  262
- Double Twin System
  263
- Pipe Connection Diameters
  264
- Re-Using Existing Field Piping
  265
Wiring Diagrams
271
- Outdoor Unit
  271
Switch Box Layout
273
- Rzq71C7, Rzqs71·100C7V1B
  273
- Rzq100~140C7, Rzqs125·140C7V1B
  274
PCB Layout
275
- Rzq71C7, Rzqs71·100C7V1B
  275
- Rzq100~140C7, Rzqs125·140C7V1B
  276
Part 8 Removal Procedure
278
Rzq71C7, Rzqs71·100C7V1B
279
- Removal of Outside Panels and Related Parts
  279
- Removal of Propeller Fan and Fan Motor
  280
- Removal of Switch Box
  281
- Removal of PC Board Assy (1)
  282
- Removal of PC Board Assy (2)
  283
- Removal of PC Board Assy (3)
  284
- Removal of Low Pressure Sensor, Electronic Expansion Valve, and Others
  285
- Removal of Thermistor
  286
- Removal of Four Way Valve
  287
- Removal of Compressor
  288
Rzq100~140C7, Rzqs125·140C7V1B
289
- Removal of Outside Panels
  289
- Removal of Propeller Fan and Fan Motor
  290
- Removal of Switch Box
  291
- Removal of PC Board
  292
- Removal of Pressure Sensor, Electronic Expansion Valve, and Others
  293
- Removal of Thermistor
  294
- Removal of Four Way Valve
  295
- Removal of Compressor
  296
Part 9 Precautions for New Refrigerant (R-410A)
298
Precautions for New Refrigerant (R-410A)
299
- Outline
  299
- Refrigerant Cylinders
  301
- Service Tools
  302
Index
308
Drawings & Flow Charts
312

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