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SkyAir RZQ-P Series
Daikin SkyAir RZQ-P Series User Manual
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Service
Manual
RZR-P, RZQ-P(9) Series
Cooling Only / Heat Pump
R-410A 60Hz
SiUS28-902_B
2
Table of Contents
RZR-P, RZQ-P(9) Series
2
Table of Contents
2
Cooling Only / Heat Pump R-410A 60Hzi
6
Safety Considerations
6
Safety Considerations for Repair
6
Safety Considerations for Users
7
Preface
8
Part 1
9
General Information
9
Model Names and Power Supply
10
Cooling Only
10
Heat Pump
10
External Appearance
11
Indoor Units
11
Remote Controller
12
Outdoor Units
12
Part 2
13
Refrigerant Circuit
13
Refrigerant Circuit
14
Rzr18 / 24 / 30Pvju Rzq18 / 24 / 30Pvju(9)
14
Refrigerant Circuit Part
14
Rzr36 / 42Pvju Rzq36 / 42Pvju(9)
16
Functional Parts Layout
18
Rzr18 / 24 / 30Pvju Rzq18 / 24 / 30Pvju (9)
18
Part 3
19
Function
19
Operation Mode
20
Basic Control
21
Normal Operation
21
Compressor PI Control
22
Electronic Expansion Valve PI Control
23
Cooling Operation Fan Control
24
Special Control
25
Startup Control
25
Oil Return Operation
26
Defrosting Operation
28
Pump down Residual Operation
29
Restart Standby
29
Stopping Operation
30
Pressure Equalization Prior to Startup
30
Protection Control
31
High Pressure Protection Control
31
Low Pressure Protection Control
32
Discharge Pipe Protection Control
33
Inverter Protection Control
34
Other Control
35
Heating Operation Prohibition
35
Outline of Control (Indoor Unit)
35
Drain Pump Control
35
Louver Control for Preventing Ceiling Dirt
37
Room Temperature Thermistor in Remote Controller
38
Freeze-Up Prevention
40
View of Operations of Swing Flaps
41
Hot Start Control (in Heating Operation Only)
42
Heater Control (Only for FTQ)
44
Step Thermostat Processing (Only for FTQ)
47
Interlocked with External Equipment (Only for FTQ)
48
Part 4
50
Test Operation
50
Test Operation
51
Procedure and Outline
51
Operation When Power Is Turned on
54
Outdoor Unit PCB Layout
55
Field Setting
56
Field Setting from Remote Controller
56
Field Setting from Remote Controller (Indoor Unit)
60
Field Setting from Outdoor Unit
66
Detail of Setting Mode
72
Part 5
79
Service Diagnosis
79
Symptom-Based Troubleshooting
81
Troubleshooting by Remote Controller
84
The INSPECTION / TEST Button
84
Self-Diagnosis by Wired Remote Controller
85
Self-Diagnosis by Wireless Remote Controller
87
Inspection Mode
89
Remote Controller Service Mode
90
Error Codes and Description
94
Troubleshooting by Indication on the Remote Controller
97
External Protection Device Abnormality
97
PCB Abnormality
98
Drain Water Level System Abnormality
99
Indoor Unit Fan Motor Abnormality
101
Swing Flap Motor Abnormality / Lock
102
Electronic Expansion Valve Coil Abnormality
104
Drain System Abnormality
106
Capacity Setting Device Abnormality
107
Heat Exchanger (Liquid Pipe) Thermistor Abnormality
108
Heat Exchanger (Gas Pipe) Thermistor Abnormality
109
Suction Air Thermistor Abnormality
110
Remote Sensor Abnormality
111
Room Temperature Thermistor in Remote Controller Abnormality
112
Outdoor Unit PCB Abnormality
113
High Pressure Abnormality
114
Actuation of Low Pressure Sensor
116
Inverter Compressor Motor Lock
118
Outdoor Unit Fan Motor Abnormality
120
Electronic Expansion Valve Coil Abnormality
121
Discharge Pipe Temperature Control
123
Refrigerant Overcharged
124
High Pressure Switch Abnormality
125
Outdoor Unit Fan Motor Signal Abnormality
126
Outdoor Air Thermistor Abnormality
127
Discharge Pipe Thermistor Abnormality
128
Suction Pipe Thermistor Abnormality
129
Outdoor Unit Heat Exchanger Thermistor Abnormality
130
High Pressure Sensor Abnormality
131
Low Pressure Sensor Abnormality
133
Outdoor Unit PCB Abnormality
135
Radiation Fin Temperature Rise
136
Momentary Overcurrent of Inverter Compressor
137
Electronic Thermal (Time Lag)
138
Inverter Startup Error
140
Transmission Error (between Control and Inverter PCB)
141
Radiation Fin Thermistor Abnormality
142
Refrigerant Shortage
143
Power Supply Voltage Abnormality
144
Check Operation Not Executed
146
Transmission Error (between Indoor Units and Outdoor Units)
147
Transmission Error (between Remote Controller and Indoor Unit)
150
Transmission Error (between Main and Sub Remote Controllers)
151
Transmission Error (between Centralized Remote Controller and Indoor Unit)
152
System Is Not Set yet
154
Check
155
Part 6
158
Piping Diagrams
159
Outdoor Unit
159
Indoor Unit
161
Wiring Diagrams for Reference
163
Outdoor Unit
163
Indoor Unit
165
Thermistor Resistance / Temperature Characteristics
169
Pressure Sensor
171
Precautions for New Refrigerant (R-410A)
172
Outline
172
Service Tools
174
Appendix
158
4
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Daikin SkyAir RZQ-P Series Specifications
General
Brand
Daikin
Model
SkyAir RZQ-P Series
Category
Air Conditioner
Language
English
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