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Daikin RXMQ4 5 6PVE Manuals
Manuals and User Guides for Daikin RXMQ4 5 6PVE. We have
1
Daikin RXMQ4 5 6PVE manual available for free PDF download: Service Manual
Daikin RXMQ4 5 6PVE Service Manual (262 pages)
R-410A Heat Pump 50/60Hz Cooling Only
Brand:
Daikin
| Category:
Air Conditioner
| Size: 9.38 MB
Table of Contents
Table of Contents
2
Introduction
6
Safety Cautions
6
Caution in Repair
6
Cautions Regarding Products after Repair
7
Inspection after Repair
8
Using Icons
9
Using Icons List
9
Preface
10
Part 1 General Information
12
Model Names of Indoor/Outdoor Units
13
External Appearance
14
Indoor Units
14
Capacity Range
15
Part 2 Specifications
16
Outdoor Units
17
Indoor Units
21
Ceiling Suspended Type
36
Wall Mounted Type
37
Floor Standing Type
39
Part 3 List of Electrical and Functional Parts
46
List of Electrical and Functional Parts
47
Outdoor Unit
47
Indoor Unit
48
Part 4 Refrigerant Circuit
54
Refrigerant Circuit
55
Rx(Y)Mq4 / 5 / 6P
55
Functional Parts Layout
57
Rx(Y)Mq4 / 5 / 6P
57
Part 5 Function
58
Operation Mode
59
Basic Control
60
Normal Operation
60
Compressor PI Control
61
Electronic Expansion Valve PI Control
62
Cooling Operation Fan Control
63
Special Control
64
Startup Control
64
Oil Return Operation
65
Defrosting Operation
67
Pump-Down Residual Operation
68
Restart Standby
69
Stopping Operation
70
Protection Control
71
High Pressure Protection Control
71
Low Pressure Protection Control
72
Discharge Pipe Protection Control
73
Inverter Protection Control
74
Other Control
75
Demand Operation
75
Heating Operation Prohibition
75
Outline of Control (Indoor Unit)
76
Drain Pump Control
76
Remote Controller
77
Louver Control for Preventing Ceiling Dirt
78
Thermostat Sensor in Remote Controller
79
Freeze Prevention
81
View of Operations of Swing Flaps
82
Swing Flaps
82
Electronic Expansion Valve Control
83
Hot Start Control (in Heating Operation Only)
83
Part 6 Test Operation
84
Test Operation
85
Procedure and Outline
85
Check Operation
86
Operation When Power Is Turned on
88
Outdoor Unit PC Board Layout
89
Field Setting
90
Field Setting from Remote Controller
90
Simplified Remote Controller
92
Detailed Explanation of Setting Modes
95
Group No. Setting Example
100
Contents of Control Modes
101
Field Setting from Outdoor Unit
103
Image of Operation
115
Part 7 Troubleshooting
122
Symptom-Based Troubleshooting
124
Troubleshooting by Remote Controller
127
The INSPECTION / TEST Button
127
Self-Diagnosis by Wired Remote Controller
128
Self-Diagnosis by Wireless Remote Controller
129
Operation of the Remote Controller's Inspection / Test Operation Button
131
Remote Controller Service Mode
132
Remote Controller Self-Diagnosis Function
134
Troubleshooting by Indication on the Remote Controller
141
A0" Indoor Unit: Error of External Protection Device
141
A1" Indoor Unit: PC Board Defect
142
PC Board Defect
142
A3" Indoor Unit: Malfunction of Drain Level Control System (33H)
143
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
145
Fan Motor (M1F) Lock, Overload
145
A7" Indoor Unit: Malfunction of Swing Flap Motor (MA)
146
A9" Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (20E)
148
AF" Indoor Unit: Drain Level above Limit
150
AJ" Indoor Unit: Malfunction of Capacity Determination Device
151
C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
152
Malfunction of Thermistor (R2T) for
152
3.10 " C5 " Indoor Unit
153
Malfunction of Thermistor (R3T) for Gas Pipes
153
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
153
3.11 " C9 " Indoor Unit
154
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
154
3.12 " CA " Indoor Unit
155
Malfunction of Thermistor for Discharge Air
155
CA" Indoor Unit: Malfunction of Thermistor for Discharge Air
155
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
156
In Remote Controller
156
Remote Controller
156
E1" Outdoor Unit: PC Board Defect
157
PC Board Defect
157
E3" Outdoor Unit: Actuation of High Pressure Switch
158
Actuation of High Pressure Switch
158
E4" Outdoor Unit: Actuation of Low Pressure Sensor
160
Actuation of Low Pressure Sensor
160
E5" Compressor Motor Lock
162
Compressor Motor Lock
162
E7" Malfunction of Outdoor Unit Fan Motor
163
Malfunction of Outdoor Unit Fan Motor
163
E9" Outdoor Unit: Malfunction of Moving Part of
164
Electronic Expansion Valve (Y1E, Y3E)
164
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
166
F6" Outdoor Unit: Refrigerant Overcharged
167
Outdoor Unit: Refrigerant Overcharged
167
3.22 " H9 " Outdoor Unit
168
H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air
168
3.23 " J3 " Outdoor Unit
169
Malfunction of Discharge Pipe Thermistor (R2T)
169
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)
169
3.24 " J5 " Outdoor Unit
170
Suction Pipe 1, 2
170
J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2
170
J6" Outdoor Unit: Malfunction of Thermistor (R4T) for
171
Outdoor Unit Heat Exchanger
171
3.26 " J7 " Outdoor Unit
172
Malfunction of Thermistor (R7T) for
172
Outdoor Unit Liquid Pipe
172
J9" Outdoor Unit: Malfunction of Subcooling Heat
173
Gas Pipe Thermistor (R6T)
173
Exchanger Gas Pipe Thermistor (R6T)
173
3.28 " JA " Outdoor Unit
174
Malfunction of High Pressure Sensor
174
JA" Outdoor Unit: Malfunction of High Pressure Sensor
174
JC" Outdoor Unit: Malfunction of Low Pressure Sensor
175
Malfunction of Low Pressure Sensor
175
L1" Outdoor Unit: Malfunction of PC Board
176
Malfunction of PC Board
176
3.31 " L4 " Outdoor Unit
177
Temperature Rise
177
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
177
L5" Outdoor Unit: Inverter Compressor Abnormal
178
Inverter Compressor Abnormal
178
L8" Outdoor Unit: Inverter Current Abnormal
179
Inverter Current Abnormal
179
L9" Outdoor Unit: Inverter Start up Error
180
Inverter Start up Error
180
3.35 " LC " Outdoor Unit
181
Inverter and Control PC Board
181
3.36 " P1 " Outdoor Unit
182
P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit
182
P4" Outdoor Unit: Malfunction of Inverter Radiating Fin
183
Temperature Rise Sensor
183
3.38 " UO " Outdoor Unit
184
Or Electronic Expansion Valve Failure
184
Shortage or Electronic Expansion Valve Failure
184
U2" Power Supply Insufficient or Instantaneous Failure
186
Power Supply Insufficient or Instantaneous Failure
186
U3" Check Operation Not Executed
188
Check Operation Not Executed
188
Malfunction of Transmission between Indoor Units and Outdoor Units
189
Outdoor Units
189
U5" Malfunction of Transmission between Remote Controller
191
And Indoor Unit
191
Indoor Unit
191
Controller and Indoor Unit
191
Malfunction of Transmission between Main and Sub Remote Controllers
192
Sub Remote Controllers
192
Malfunction of Transmission between Indoor and Outdoor Units in the same System
193
Outdoor Units in the same System
193
UA" Excessive Number of Indoor Units
195
Excessive Number of Indoor Units
195
UC" Address Duplication of Central Remote Controller
196
Address Duplication of Central Remote Controller
196
Malfunction of Transmission between Central Remote Controller and Indoor Unit
197
UE" Malfunction of Transmission between Central Remote Controller and Indoor Unit
197
UF" System Is Not Set yet
199
System Is Not Set yet
199
UH" Malfunction of System, Refrigerant System Address Undefined
200
Troubleshooting by Indication on the Centralized Remote Controller
201
UE" Malfunction of Transmission between Centralized Remote
201
Controller and Indoor Unit
201
Remote Controller and Indoor Unit
201
M1" PC Board Defect
202
PC Board Defect
202
Controllers for Centralized Control
203
M8" Malfunction of Transmission between Optional
203
Malfunction of Transmission between Optional Controllers for Centralized Control
203
Centralized Control
204
Improper Combination of Optional Controllerslers for Centralized Controllers
204
MC" Address Duplication, Improper Setting
206
Troubleshooting by Indication on the Unified ON/OFF Controller
207
Operation Lamp Blinks
207
Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)
209
Display "Under Host Computer Integrate Control" Blinks
209
Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink)
212
(Repeats Double Blink)
212
Troubleshooting
213
Part 8 Appendix
216
Piping Diagrams
217
Outdoor Unit
217
Indoor Unit
218
Wiring Diagrams
221
Outdoor Unit
221
Cooling Only
222
Field Wiring
223
Indoor Unit
224
Option List
237
Option List of Controllers
237
Option List of Outdoor Unit
239
Example of Connection
240
Thermistor Resistance / Temperature Characteristics
242
Pressure Sensor
244
Method of Replacing the Inverter's Power Transistors Modules
245
Part 9 Precautions for New Refrigerant (R-410A)
248
Precautions for New Refrigerant (R-410A)
249
Outline
249
Refrigerant Cylinders
251
Service Tools
252
Index
258
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