Daikin SkyAir RZQSG125L7Y1B Manuals

Manuals and User Guides for Daikin SkyAir RZQSG125L7Y1B. We have 2 Daikin SkyAir RZQSG125L7Y1B manuals available for free PDF download: Service Manual

Daikin SkyAir RZQSG125L7Y1B Service Manual (279 pages)

SkyAir GQI-Eco Series Heat Pump R-410A 50Hz

Brand: Daikin | Category: Heat Pump | Size: 9.12 MB

Service Manual
1
Table of Contents
3
Introduction
6
- Safety Cautions
  6
- Used Icons
  10
- Preface
  11
Part 1 General Information
12
Model Names of Indoor / Outdoor Units
13
Outlook Outdoor Units
14
Part 2 Functions
17
- Esie12
  17
Functions
17
- Indoor Unit
  17
- Outdoor Unit
  17
Part 3 Specifications
18
Operation Range
86
Part 4 Remote Controller
90
Wired Remote Controller
91
Wireless Remote Controller
98
- Applicable Models
  98
- Names and Functions
  98
- MAIN/SUB Setting
  100
- Brc1D528
  101
- Display Service Data
  101
Service Mode
101
Inspection Mode
103
- Brc1D528
  103
Part 5 Function and Control
104
Function of Main Components and Thermistors
105
Operation Flow Chart
107
- Cooling / Dry Operation
  107
- Heating Operation
  108
Function Details
109
- Indoor Unit
  109
  - Dew Condensation Prevention Control
    111
  - Defrost Control
    112
- Outdoor Unit
  113
  - Low Pressure Protection Control
    118
  - High Pressure Protection Control
    119
  - Defrost Operation
    125
Part 6 Field Setting
132
Test Operation
133
- Pre-Run Checks
  133
- Remote Controller Confirmation
  133
- Test Run
  134
- Precautions Regarding Test Run
  134
- Failure Diagnosis at the Moment of First Installation
  135
Field Setting from Remote Controller
136
- Wired Remote Controller
  136
- Wireless Remote Controller
  139
- Settings Contents and Code No. for Indoor Units
  140
- Overview of the Field Setting on the Outdoor Units
  145
- Quiet (Low Noise) Operation
  146
- I-Demand Function
  148
- Setting for Low Humidity Application
  149
- Thermostat Control
  152
- Defrost Start Setting
  153
Field Setting from Outdoor Unit PCB
154
Emergency Operation
163
- Forced Operation
  163
Part 7 Service Diagnosis
166
Maintenance Inspection
168
- Overview
  168
Symptom-Based Troubleshooting
170
Troubleshooting by LED Indications
188
- Troubleshooting by LED on the Indoor Unit
  188
- Troubleshooting by LED on Outdoor Unit PCB
  188
Troubleshooting by Remote Controller
189
Part 8 Appendix
266
Piping Diagrams
267
- Rzqg71L
  267
- Rzqg100-140L
  267
Wiring Diagrams
268
- Indoor Unit
  268
- Outdoor Unit
  269
Precautions for New Refrigerant (R-410A)
270
- Outline
  270
- Refrigerant Cylinders
  272
- Service Tools
  273

Daikin SkyAir RZQSG125L7Y1B Service Manual (215 pages)

R-410A 50Hz

Brand: Daikin | Category: Heat Pump | Size: 6.73 MB

Table of Contents
3
Introduction
7
Version Log
7
Safety Cautions
7
Used Icons
12
Preface
13
Part 1 - General Information
15
Model Names of Indoor / Outdoor Units
16
Outlook Outdoor Units
18
Operating Range
19
Smart
19
Classic
20
Edp
21
Part 2 - Remote Controller
23
Wired Remote Controller
24
Applicable Models
24
Names and Functions
24
MAIN/SUB Setting When Using 2 Remote Controllers
28
Centralized Control Group No. Setting
29
Wireless Remote Controller
31
Applicable Models
31
Names and Functions
31
MAIN/SUB Setting
33
Service Mode
34
Brc1D528
34
Brc1E52/53
36
Inspection Mode
39
Brc1D528
39
Brc1E52/53
40
Part 3 - Function and Control
41
Function of Main Components and Thermistors
42
Operation Flow Chart
44
Cooling / Dry Operation
44
Heating Operation
45
Function Details
46
Indoor Unit
46
Outdoor Unit
50
Part 4 - Field Setting
71
Test Operation
72
Pre-Run Checks
72
Remote Controller Confirmation
72
Test Run
73
Precautions Regarding Test Run
73
Failure Diagnosis at the Moment of First Installation
74
Field Setting from Remote Controller
75
Wired Remote Controller
75
Wireless Remote Controller
80
Settings Contents and Code No. for Indoor Units
81
Overview of the Field Setting on the Outdoor Units
87
Quiet (Low Noise) Operation
88
I-Demand Function
90
Setting for Low Humidity Application
91
Defrost Start Setting
94
Slow Start
94
Field Setting from Outdoor Unit PCB
95
Location of DIP Switch and BS Button
95
Field Setting for Outdoor Unit
96
Emergency Operation
106
Forced Operation
106
Part 5 - Service Diagnosis
109
Maintenance Inspection
111
Overview
111
Symptom-Based Troubleshooting
113
Overview
113
Equipment Does Not Operate
114
Indoor Unit Fan Operates, but Compressor Does Not Operate
116
Cooling / Heating Operation Starts but Stops Immediately
118
After Unit Shuts Down, It Cannot be Restarted for a While
119
Equipment Operates but Does Not Provide Cooling
121
Equipment Operates but Does Not Provide Heating
123
Equipment Discharges White Mist
125
Equipment Produces Loud Noise or Vibration
126
Equipment Discharges Dust
127
Remote Controller LCD Displays "88
128
Swing Flap Does Not Operate
129
Troubleshooting by LED Indications
131
Troubleshooting by LED on the Indoor Unit
131
Troubleshooting by LED on Outdoor Unit PCB
131
Troubleshooting by Remote Controller
132
Procedure of Self-Diagnosis by Remote Controller
132
Error Codes and Description
136
Safety Devices
137
Indoor Unit PCB Abnormality
138
Drain Water Level System Abnormality
139
Indoor Unit Fan Motor Abnormality
141
Capacity Setting Abnormality
142
Transmission Error (between Indoor Unit PCB and Adaptor PCB)
143
Thermistor Abnormality
145
Humidity Sensor System Abnormality
146
Malfunction of Motion Sensor / Floor Temperature Sensor
147
Remote Controller Thermistor Abnormality
152
Outdoor Unit PCB Abnormality
153
High Pressure Abnormality (Detected by the High Pressure Switch)
154
Actuation of Pressure Sensor
156
Compressor Motor Lock
158
Outdoor Unit Fan Motor Abnormality
159
Electronic Expansion Valve Abnormality
161
Discharge Pipe Temperature Control
164
High Pressure Switch System Abnormality
166
Low Pressure Switch System Abnormality
167
Thermistor System Abnormality
168
Outdoor Unit PCB Abnormality
169
Radiation Fin Temperature Rise
171
Output Overcurrent Detection
173
Electronic Thermal (Time Lag)
175
Stall Prevention (Time Lag)
177
Transmission System Abnormality (between Control and Inverter PCB)
179
Open Phase or Power Supply Voltage Imbalance
180
Defective Capacity Setting
181
Refrigerant Shortage (Alert)
182
Refrigerant Shortage (Error)
183
Power Supply Voltage Abnormality
185
Transmission Error between Indoor and Outdoor Unit
187
Transmission Error between Remote Controller and Indoor Unit
190
Transmission Error between MAIN Remote Controller and SUB Remote Controller
191
Field Setting Switch Abnormality
192
UC" Address Duplication of Centralized Controller
194
Transmission Error between Centralized Controller and Indoor Unit
195
Transmission Error between Indoor and Outdoor Unit / Piping and Wiring Mismatch / Refrigerant Shortage
197
Check
199
Part 6 - Appendix
211
Piping Diagrams
212
Rzqg-L9V1
212
Wiring Diagrams
213
Outdoor Unit
213
Thermodynamic Characteristic of R-410A
214
Removing the Switchbox
215

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