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VRV IV+
Daikin VRV IV+ Manuals
Manuals and User Guides for Daikin VRV IV+. We have
6
Daikin VRV IV+ manuals available for free PDF download: Service Manual, Installer And User Reference Manual, Installation And Operation Manual
Daikin VRV IV+ Service Manual (404 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 87 MB
Table of Contents
Version Log
3
Table of Contents
4
General Operation
9
Troubleshooting
12
To Access Push Buttons and 7-Segment Display
12
To Retrieve Error Codes and Check Error History
12
Via Service Monitoring Tool
12
Via the Indoor Unit Remote Controller BRC1H
13
Via the Outdoor Unit
14
Via the Wired Remote Control BRC1E
15
Via the Wireless Controller BRC4/7
17
Via the Wired Remote Control BRC1D
18
Error Based Troubleshooting
20
E1-01 - Outdoor Unit Main PCB A1P Error
20
E1-02 - Outdoor Unit Main PCB A1P Error
20
E2-01-02-03 - Current Leak Detection
21
E2-06-07-08 - Open Circuit on Earth Leakage Detection Core
22
E3-01-03-05 - Actuation of High Pressure Switch
22
E3-02-04-06 - High Pressure Error
24
E3-07 - High Pressure Switch Reset Error
25
E3-13-14-15 - Liquid Stop Valve Check Error
26
E3-18 - Actuation of High Pressure Switch During Test Run
27
E3-20-21-22 - Jumper Open on Main PCB
28
E4-01-02-03 - Low Pressure Error
28
E5-01-02-03 - Compressor Overload/Motor Lock Error (M1C)
30
E5-07-08-09 - Compressor Overload/Motor Lock Error (M2C)
31
E6-17-19-21 - Inverter Overcurrent Error
32
E6-18-20-22 - Inverter Overcurrent Error
34
E7-01-13-25 - Outdoor Unit Fan Motor M1F Error
35
E7-02-14-26 - Outdoor Unit Fan Motor M2F Error
36
E7-05-17-29 - Outdoor Unit Fan Motor M1F Overcurrent Error
36
E7-06-18-30 - Outdoor Unit Fan Motor M2F Overcurrent Error
37
E7-09-21-33 - Fan Inverter PCB A4P (Integrated Power Module) Overheated
38
E7-10-22-34 - Fan Inverter PCB A7P (Integrated Power Module) Overheated
39
E9-01-05-08 - Electronic Expansion Valve Y1E Malfunction
40
E9-03-06-09 - Electronic Expansion Valve Y2E Malfunction
41
E9-04-07-10 - Electronic Expansion Valve Y3E Abnormality
42
E9-20-21-22 - Electronic Expansion Valve (Y1E) Failure
43
E9-23-24-25 - Electronic Expansion Valve (Y2E) Failure
44
E9-26-27-28 - Electronic Expansion Valve (Y4E) Malfunction
45
E9-48-49-50 - Electronic Expansion Valve Overcurrent Error
47
E9-51-52-53 - Electronic Expansion Valve Thermal Cutting Error
48
E9-54-55-56 - Electronic Expansion Valve Defective Circuit
49
F3-01-03-05 - Compressor Discharge Temperature too High
50
F3-20-21-22 - Compressor Body Temperature too High
51
F4-01 - Wet Operation Caution
52
F6-02 - Refrigerant Overcharge Detection During Test-Run
54
H3-02-04-06 - Transmission Error between Main PCB A1P and Inverter PCB A3P
55
H3-03-05-07 - Transmission Error on Inverter PCB A6P
56
H7-01-05-09 - Defective Fan Inverter PCB A4P
57
H7-02-06-10 - Defective Fan Inverter PCB A7P
57
H7-21-23-25 - Defective Fan Inverter PCB A4P
58
H7-22-24-26 - Defective Fan Inverter PCB A7P
59
H9-01-02-03 - Ambient Temperature Thermistor R1T Abnormality
59
Defrost Fail Alarm
60
J3-16-22-28 - Discharge Thermistor R21T Open Circuit
61
J3-17-23-29 - Discharge Thermistor R21T Short Circuit
62
J3-18-24-30 - Discharge Thermistor R22T Open Circuit
62
J3-19-25-31 - Discharge Thermistor R22T Short Circuit
63
J3-38-42-44 - Compressor Body Thermistor R9T Open Circuit
64
J3-39-43-45 - Compressor Body Thermistor R9T Short Circuit
65
J3-47-49-51 - Compressor Body Thermistor R8T Open Circuit
65
J3-48-50-52 - Compressor Body Thermistor R8T Short Circuit
66
J3-56-57-58 - High Discharge Temperature
67
J3-59-60-61 - Discharge Thermistor Crosswired
68
J5-01-03-05 - Compressor Suction Thermistor R3T Malfunction
68
J6-01-02-03 - De-Icer Thermistor R7T Abnormality
69
J7-06-07-08 - Liquid Thermistor R5T Abnormality
70
J8-01-02-03 - Outdoor Heat Exchanger Thermistor R4T Abnormality
71
J9-01-02-03 - Gas Thermistor R6T Abnormality
71
JA-06-08-10 - High Pressure Sensor S1NPH Abnormality
72
JA-07-09-11 - High Pressure Sensor S1NPH Malfunction
73
JC-06-08-10 - Low Pressure Sensor S1NPL Abnormality
74
JC-07-09-11 - Low Pressure Sensor S1NPL Malfunction
74
L1-01-07-11 - Inverter PCB A3P Abnormality
75
L1-02-08-12 - Inverter PCB A3P Current Detection Primary Circuit
76
L1-03-09-13 - Inverter PCB A3P Current Detection Secondary Circuit
77
L1-04-10-14 - Power Transistor Error on Inverter PCB A3P
78
L1-05-15-16 - Inverter PCB A3P Hardware Fault
79
L1-17-22-42 - Inverter PCB A6P Abnormality
80
L1-18-23-43 - Inverter PCB A6P Current Detection Primary Circuit
81
L1-19-24-44 - Inverter PCB A6P Current Detection Secondary Circuit
82
L1-20-25-45 - Power Transistor Error on Inverter PCB A6P
83
L1-21-26-46 - Inverter PCB A6P Hardware Fault
84
L1-28-32-34 - Fan Inverter PCB A4P Eeprom Error
85
L1-29-33-35 - Fan Inverter PCB A7P Eeprom Error
85
L1-36-38-40 - Inverter PCB A3P Eeprom Error
86
L1-37-39-41 - Inverter PCB A6P Eeprom Error
87
L1-47-49-51 - Inverter PCB A3P 16 V DC Abnormal
87
L1-48-50-52 - Inverter PCB A6P 16 V DC Abnormal
88
L2-01-02-03 - Power Supply Abnormality During Test Run
89
L2-04-05-06 - Power Supply Abnormality During Normal Operation
90
L4-01-02-03 - Inverter PCB A3P High Fin Temperature
91
L4-06-18-20 - Fan Inverter PCB A4P High Fin Temperature
92
L4-07-19-21 - Fan Inverter PCB A7P High Fin Temperature
93
L4-09-10-11 - Inverter PCB A6P High Fin Temperature
95
L5-03-05-07 - Output Overcurrent Detection on Inverter PCB A3P
96
L5-14-15-16 - Output Overcurrent Detection on Inverter PCB A6P
97
L8-03-06-07 - Overcurrent on Inverter PCB A3P Except Start-Up
98
L8-11-12-13 - Overcurrent on Inverter PCB A6P Except Start-Up
99
L9-01-05-06 - Stall Prevention by Inverter PCB A3P
100
L9-10-11-12 - Stall Prevention by Inverter PCB A6P
101
L9-13-14-15 - Inverter PCB A3P Output Phase Abnormality
102
L9-16-17-18 - Inverter PCB A6P Output Phase Abnormality
103
Transmission Abnormality
103
LC-14-15-16 - Transmission Abnormality Main Pcb/Inverter PCB A3P
104
LC-19-20-21 - Transmission Abnormality Main Pcb/Fan Inverter PCB A4P
105
LC-24-25-26 - Transmission Abnormality Main Pcb/Fan Inverter PCB A7P
106
LC-30-31-32 - Transmission Abnormality Main Pcb/Inverter PCB A6P
107
P1-01-02-03 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A3P
108
P1-07-08-09 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A6P
109
P2-00 - Refrigerant Auto-Charge Interrupted
110
P4-01-04-05 - Fin Thermistor Abnormality on Inverter PCB A3P
110
P4-02-15-17 - Fin Thermistor Abnormality on Fan Inverter PCB A4P
111
P4-03-16-18 - Fin Thermistor Abnormality on Fan Inverter PCB A7P
112
P4-06-07-08 - Fin Thermistor Abnormality on Inverter PCB A6P
113
P8-00 - Freeze-Up During Refrigerant Auto-Charge
114
P9-00 - Refrigerant Auto-Charge Finished Normally
115
No Refrigerant in Refrigerant Cylinder During Auto-Charge
115
Refrigerant Auto-Charge in Last Stage
115
Long Test Run Failed
116
PJ-04-05-06 - Capacity Setting Mismatch for Inverter PCB A3P
116
PJ-09-15-16 - Capacity Setting Mismatch for Fan Inverter PCB A4P
117
PJ-10-17-18 - Capacity Setting Mismatch for Fan Inverter PCB A7P
118
PJ-12-13-14 - Capacity Setting Mismatch for Inverter PCB A6P
119
U0-05 - Refrigerant Shortage Detection
119
U0-06 - Refrigerant Shortage Detection
120
U0-08-09-10 - Refrigerant Shortage Detection by High Pressure Sensor
121
U1-01-05-07 - Reverse Phase Detection
122
U1-04-06-08 - Reverse Phase Detection
123
U2-01-08-11 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Abnormal Voltage
124
U2-02-09-12 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Phase Loss
125
U2-03-10-13 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P DC Circuit Not Charging
127
U2-22-25-28 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Abnormal Voltage
128
U2-23-26-29 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Phase Loss
129
U2-24-27-30 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P DC Circuit Not Charging
130
U3-02 - Test Run Interrupted Manually
131
U3-03 - Test Run Not Performed yet
131
U3-04 - Test Run Ended Abnormally
132
U3-05 - Test Run Aborted on Initial Transmission
133
U3-06 - Test Run Aborted on Normal Transmission
133
U3-07 - Transmission Abnormality on Test Run
134
U3-08 - Transmission Abnormality on Test Run
135
U4-01 - Transmission Error between Indoor Units and Outdoor Unit
135
U4-03 - Transmission Error between Indoor Units and System
136
U4-15 - Unable to Start Test Run
137
U7-01 - Transmission Abnormality between Systems - DTA104A61,62 Error
138
U7-02 - Transmission Abnormality between Systems - DTA104A61,62 Error
139
U7-03 - Transmission Abnormality between Main Outdoor Unit and Sub 1 Outdoor Unit
139
U7-04 - Transmission Abnormality between Main Outdoor Unit and Sub 2 Outdoor Unit
140
U7-05 - Multi System Abnormality
141
U7-06 - Multi System Address Abnormality
141
U7-07 - more than 3 Outdoor Units on Q1-Q2 Transmission
142
U7-11 - Excess Indoor Units Detected on Test Run
142
U7-24 - Duplication of Address Setting on Multiple DTA104A61,62 Installation
143
U9-01 - Other Indoor Unit Has Error
143
Combination Abnormality
144
Combination Abnormality - MIX of R22, R407C, R410A and R32 Type Units Detected
145
Combination Abnormality - more than 64 Indoor Units Detected on same System
145
Combination Abnormality - Local Setting Abnormality
145
Combination Abnormality - Outdoor Unit Not Compatible with Indoor Units (Refrigerant Type)
146
Combination Abnormality - Local Set Alarm
146
Combination Abnormality - Non-Compatible Outdoor Unit in Multi-Combination
147
Combination Abnormality - BPMK Units Detected
147
Combination Abnormality - Multi Combination Abnormality
148
Combination Abnormality - Altherma Hydro Unit Detected
148
Combination Abnormality - Incorrect Combination
149
Combination Abnormality - Wrong Unit Combination
149
Wiring and Piping Mismatch - Auto Address Inconsistency on F1-F2 Transmission
149
Wiring and Piping Mismatch - Stop Valves Closed or Incorrect
150
Wiring and Piping Mismatch - Excess Connection Ratio
151
Auto-Address Failure
152
Refrigerant Leak Check Is Not Possible
153
Refrigerant Leak Check Cannot be Performed - Indoor Air Temperature Is out of Range
153
Refrigerant Leak Check Cannot be Performed - Outdoor Air Temperature Is out of Range
154
Refrigerant Leak Check Is Interrupted - too Low Pressure Is Detected
154
Refrigerant Leak Check Cannot be Performed - a Unit Which Is Not Compatible with Leak Detection Function Is Installed
155
NG - Refrigerant Leak Check Function Detects Refrigerant Leak
155
OK - Refrigerant Leak Check Function Detects no Refrigerant Leak
156
Indoor Unit Related Error Codes
156
Overview of Error Codes
158
Symptom Based Troubleshooting
164
Normal Operating Conditions
164
Symptom: the System Does Not Operate
164
Symptom: Cool/Heat Cannot be Changed over
165
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
165
Symptom: the Fan Speed Does Not Correspond to the Setting
165
Symptom: the Fan Direction Does Not Correspond to the Setting
165
Symptom: White Mist Comes out of a Unit (Indoor Unit)
165
Symptom: White Mist Comes out of a Unit (Indoor Unit, Heat Exchanger Unit)
165
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
166
Symptom: Noise of Air Conditioners (Indoor Unit)
166
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)
166
Symptom: Noise of Air Conditioners (Outdoor Unit)
166
Symptom: Dust Comes out of the Unit
166
Symptom: the Units Can Give off Odours
166
Symptom: the Outdoor Unit Fan Does Not Spin
166
Symptom: the Display Shows "88
167
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
167
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
167
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
167
Symptom: Unit Operation Problems
168
Other Symptoms
170
Components
172
4-Way Valve
172
Main 4-Way Valve
172
Sub 4-Way Valve
179
Compressor
185
Checking Procedures
185
Before Proceeding
186
Repair Procedures
190
Crankcase Heater
198
Checking Procedures
198
Repair Procedures
200
Current Sensor
202
Checking Procedures
202
Repair Procedures
203
Expansion Valve
204
Checking Procedures
204
Repair Procedures
209
Fan Inverter PCB
213
Single Fan Outdoor Unit
213
Double Fan Outdoor Unit
219
High Pressure Switch
225
Checking Procedures
225
Repair Procedures
226
Inverter PCB
228
Checking Procedures
228
Repair Procedures
238
Main PCB
243
Checking Procedures
243
Repair Procedures
247
Noise Filter PCB
253
Checking Procedures
253
Repair Procedures
256
Oil Return Valve
258
Checking Procedures
258
Repair Procedures
260
Outdoor Unit Fan Motor
263
Single Fan Outdoor Unit
263
Double Fan Outdoor Unit
267
Plate Work
271
To Remove the Plate Work on Single Fan Units
271
To Remove the Plate Work on Double Fan Units
275
To Access the Switch Box on Single Fan Units
279
To Access the Switch Box on Double Fan Units
283
To Assemble the Switch Box on Single Fan Units
284
To Assemble the Switch Box on Double Fan Units
287
Reactor
288
Checking Procedures
288
Repair Procedures
289
Refrigerant High Pressure Sensor
291
Checking Procedures
291
Repair Procedures
293
Refrigerant Low Pressure Sensor
295
Checking Procedures
295
Repair Procedures
297
Thermistors
299
Refrigerant Side Thermistors
299
Other Thermistors
305
Third Party Components
306
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Daikin VRV IV+ Service Manual (200 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 33 MB
Table of Contents
Table of Contents
4
General Operation
7
Troubleshooting
9
To Access Push Buttons and 7-Segment Display
9
Via Service Checker Type 3
9
Via the Indoor Unit Remote Controller BRC1H
9
Via the Outdoor Unit
10
Via the Wired Remote Control BRC1E
10
Via the Wireless Controller BRC4/7
11
Via the Wired Remote Control BRC1D
11
Error Based Troubleshooting
12
E1-01 - Outdoor Unit Main PCB A1P Error
12
E1-02 - Outdoor Unit Main PCB A1P Error
12
E2-01-02-03 - Current Leak Detection
12
E2-06-07-08 - Open Circuit on Earth Leakage
13
Detection Core
13
E3-01-03-05 - Actuation of High Pressure Switch
13
E3-02-04-06 - High Pressure Error
14
E3-07 - High Pressure Switch Reset Error
14
E3-13-14-15 - Liquid Stop Valve Check Error
14
E3-18 - Actuation of High Pressure Switch During Test Run
15
E3-20-21-22 - Jumper Open on Main PCB
15
E4-01-02-03 - Low Pressure Error
15
E5-01-02-03 - Compressor Overload Error
16
E5-07-08-09 - Compressor Overload Error
17
E6-17-19-21 - Inverter Overcurrent Error
17
E6-18-20-22 - Inverter Overcurrent Error
18
E7-01-13-25 - Outdoor Unit Fan Motor M1F Error
18
E7-02-14-26 - Outdoor Unit Fan Motor M2F Error
19
E7-05-17-29 - Outdoor Unit Fan Motor M1F
19
Overcurrent Error
19
E7-06-18-30 - Outdoor Unit Fan Motor M2F
19
E7-09-21-33 - Fan Inverter PCB A4P
19
Power Module) Overheated
19
E7-10-22-34 - Fan Inverter PCB A7P (Integrated Power Module) Overheated
20
E9-01-05-08 - Expansion Valve Y1E Abnormality
20
E9-03-06-09 - Expansion Valve Y2E Abnormality
21
E9-04-07-10 - Expansion Valve Y3E Abnormality
21
E9-20-21-22 - Failure Detection on Y1E
22
E9-23-24-25 - Failure Detection on Y2E
22
E9-26-27-28 - Expansion Valve Y4E Abnormality
23
E9-48-49-50 - Expansion Valve Overcurrent Error
23
E9-51-52-53 - Expansion Valve Thermal Cutting Error
24
E9-54-55-56 - Expansion Valve Defective Circuit
24
F3-01-03-05 - Compressor Discharge Temperature too High
25
F3-20-21-22 - Compressor Body Temperature too High
25
F4-01 - Wet Operation Caution
26
F6-02 - Refrigerant Overcharge Detection During Test-Run
26
A3P
27
A6P
27
H9-01-02-03 - Ambient Temperature Thermistor R1T Abnormality
27
Defrost Fail Alarm
28
J3-16-22-28 - Discharge Thermistor R21T Open Circuit
28
J3-17-23-29 - Discharge Thermistor R21T Short Circuit
28
J3-18-24-30 - Discharge Thermistor R22T Open Circuit
28
J3-19-25-31 - Discharge Thermistor R22T Short Circuit
29
J3-38-42-44 - Compressor Body Thermistor R9T Open Circuit
29
J3-39-43-45 - Compressor Body Thermistor R9T Short Circuit
29
J3-47-49-51 - Compressor Body Thermistor R8T Open Circuit
30
J3-48-50-52 - Compressor Body Thermistor R8T Short Circuit
30
J3-56-57-58 - High Discharge Temperature
30
J3-59-60-61 - Discharge Thermistor Crosswired
31
J5-01-03-05 - Suction Thermistor R3T Abnormality
31
J6-01-02-03 - De-Icer Thermistor R7T Abnormality
31
J7-06-07-08 - Liquid Thermistor R5T Abnormality
32
J8-01-02-03 - Outdoor Heat Exchanger Thermistor R4T Abnormality
32
J9-01-02-03 - Gas Thermistor R6T Abnormality
32
JA-06-08-10 - High Pressure Sensor S1NPH Abnormality
32
JA-07-09-11 - High Pressure Sensor S1NPH Malfunction
33
JC-06-08-10 - Low Pressure Sensor S1NPL Abnormality
33
JC-07-09-11 - Low Pressure Sensor S1NPL Abnormality
33
L1-01-07-11 - Inverter PCB A3P Abnormality
34
L1-02-08-12 - Inverter PCB A3P Current Detection Primary Circuit
34
L1-03-09-13 - Inverter PCB A3P Current Detection Secondary Circuit
34
L1-04-10-14 - Power Transistor Error on Inverter PCB A3P
35
L1-05-15-16 - Inverter PCB A3P Hardware Fault
35
L1-17-22-42 - Inverter PCB A6P Abnormality
36
L1-18-23-43 - Inverter PCB A6P Current Detection Primary Circuit
36
L1-19-24-44 - Inverter PCB A6P Current Detection Secondary Circuit
36
L1-20-25-45 - Power Transistor Error on Inverter PCB A6P
37
L1-21-26-46 - Inverter PCB A6P Hardware Fault
37
L1-28-32-34 - Fan Inverter PCB A4P Eeprom Error
37
L1-29-33-35 - Fan Inverter PCB A7P Eeprom Error
38
L1-36-38-40 - Inverter PCB A3P Eeprom Error
38
L1-37-39-41 - Inverter PCB A6P Eeprom Error
38
L1-47-49-51 - Inverter PCB A3P 16 V DC Abnormal
39
L1-48-50-52 - Inverter PCB A6P 16 V DC Abnormal
39
L2-01-02-03 - Power Supply Abnormality During Test Run
39
L2-04-05-06 - Power Supply Abnormality During Normal Operation
40
L4-01-02-03 - Inverter PCB A3P High Fin Temperature
40
L4-06-18-20 - Fan Inverter PCB A4P High Fin Temperature
40
L4-07-19-21 - Fan Inverter PCB A7P High Fin Temperature
41
L4-09-10-11 - Inverter PCB A6P High Fin Temperature
41
L5-03-05-07 - Output Overcurrent Detection on Inverter PCB A3P
42
L5-14-15-16 - Output Overcurrent Detection on Inverter PCB A6P
42
L8-03-06-07 - Overcurrent on Inverter PCB A3P Except Start-Up
42
L8-11-12-13 - Overcurrent on Inverter PCB A6P Except Start-Up
43
L9-01-05-06 - Stall Prevention by Inverter PCB A3P
43
L9-10-11-12 - Stall Prevention by Inverter PCB A6P
44
L9-13-14-15 - Inverter PCB A3P Output Phase Abnormality
44
L9-16-17-18 - Inverter PCB A6P Output Phase
44
Transmission Abnormality
45
LC-14-15-16 - Transmission Abnormality Main PCB
45
LC-19-20-21 - Transmission Abnormality Main PCB
45
LC-24-25-26 - Transmission Abnormality Main PCB
46
LC-30-31-32 - Transmission Abnormality Main PCB
46
P1-01-02-03 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A3P
47
P1-07-08-09 - Open Phase or Unbalanced Power Supply Detection by Inverter PCB A6P
47
P2-00 - Refrigerant Auto-Charge Interrupted
47
P4-01-04-05 - Fin Thermistor Abnormality on Inverter PCB A3P
48
P4-02-15-17 - Fin Thermistor Abnormality on Fan Inverter PCB A4P
48
P4-03-16-18 - Fin Thermistor Abnormality on Fan Inverter PCB A7P
48
P4-06-07-08 - Fin Thermistor Abnormality on Inverter PCB A6P
49
P8-00 - Freeze-Up During Refrigerant Auto-Charge
49
P9-00 - Refrigerant Auto-Charge Finished Normally
49
No Refrigerant in Refrigerant Cylinder During Auto-Charge
50
Refrigerant Auto-Charge in Last Stage
50
2.3.104 PF-00 - Long Test Run Failed
50
PJ-04-05-06 - Capacity Setting Mismatch for Inverter PCB A3P
50
PJ-09-15-16 - Capacity Setting Mismatch for Fan Inverter PCB A4P
50
PJ-10-17-18 - Capacity Setting Mismatch for Fan
51
Inverter PCB A7P
51
PJ-12-13-14 - Capacity Setting Mismatch for Inverter
51
Pcb A6P
51
2.3.109 U0-05 - Refrigerant Shortage Detection
51
2.3.110 U0-06 - Refrigerant Shortage Detection
52
U0-08-09-10 - Refrigerant Shortage Detection by High Pressure Sensor
52
2.3.112 U1-01-05-07 - Reverse Phase Detection
53
2.3.113 U1-04-06-08 - Reverse Phase Detection
53
U2-01-08-11 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Abnormal Voltage
53
U2-02-09-12 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P Phase Loss
54
U2-03-10-13 - Inverter Circuit Power Supply Abnormality - Inverter PCB A3P DC Circuit Not Charging
54
U2-22-25-28 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Abnormal Voltage
55
U2-23-26-29 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P Phase Loss
55
U2-24-27-30 - Inverter Circuit Power Supply Abnormality - Inverter PCB A6P DC Circuit Not Charging
56
2.3.120 U3-02 - Test Run Interrupted Manually
56
2.3.121 U3-03 - Test Run Not Performed yet
57
2.3.122 U3-04 - Test Run Ended Abnormally
57
U3-05 - Test Run Aborted on Initial Transmission
57
U3-06 - Test Run Aborted on Normal Transmission
57
U3-07 - Transmission Abnormality on Test Run
58
U3-08 - Transmission Abnormality on Test Run
58
U4-01 - Communication Error on
58
Transmission Line
58
U4-03 - Communication Error on F1-F2 Transmission Line
58
U4-15 - Unable to Start Test Run
59
U7-01 - Transmission Abnormality between Systems - DTA104A61,62 Error
59
U7-02 - Transmission Abnormality between Systems - DTA104A61,62 Error
59
U7-03 - Transmission Abnormality between Main
60
Outdoor Unit and Sub 1 Outdoor Unit
60
U7-04 - Transmission Abnormality between Main
60
Outdoor Unit and Sub 2 Outdoor Unit
60
2.3.134 U7-05 - Multi System Abnormality
60
2.3.135 U7-06 - Multi System Address Abnormality
61
U7-07 - more than 3 Outdoor Units on Q1-Q2 Transmission
61
U7-11 - Excess Indoor Units Detected on Test Run
61
U7-24 - Duplication of Address Setting on Multiple DTA104A61,62 Installation
61
2.3.139 U9-01 - Other Indoor Unit Has Error
61
2.3.140 UA-00 - Combination Abnormality
62
Combination Abnormality - MIX of R22, R407C and R410A Type Units Detected
62
Combination Abnormality - more than 64 Indoor Units Detected on same System
62
Combination Abnormality - Local Setting Abnormality
62
Combination Abnormality - Outdoor Unit Not Compatible with Indoor Units (Refrigerant Type)
63
Combination Abnormality - Local Set Alarm
63
Combination Abnormality - Non-Compatible Outdoor Unit in Multi-Combination
63
Combination Abnormality - BPMK Units Detected
63
Combination Abnormality - Multi Combination Abnormality
63
Combination Abnormality - Altherma Hydro Unit Detected
64
Combination Abnormality - Incorrect Combination
64
Combination Abnormality - Wrong Unit Combination
64
Wiring and Piping Mismatch - Auto Address
64
Inconsistency on F1-F2 Transmission
64
Wiring and Piping Mismatch - Stop Valves Closed or Incorrect
64
Wiring and Piping Mismatch - Excess Connection Ratio
65
2.3.155 UH-01-02 - Auto-Address Failure
65
Refrigerant Leak Check Is Not Possible
65
Refrigerant Leak Check Cannot be Performed - Indoor Air Temperature Is out of Range
66
Refrigerant Leak Check Cannot be Performed - Outdoor Air Temperature Is out of Range
66
Refrigerant Leak Check Is Interrupted - too Low Pressure Is Detected
66
Refrigerant Leak Check Cannot be Performed - a Unit Which Is Not Compatible with Leak Detection Function Is Installed
66
NG - Refrigerant Leak Check Function Detects Refrigerant Leak
66
OK - Refrigerant Leak Check Function Detects no Refrigerant Leak
67
2.3.163 Indoor Unit Related Error Codes
68
2.3.164 Overview of Error Codes
69
Symptom Based Troubleshooting
73
Normal Operating Conditions
73
Symptom: the System Does Not Operate
73
Symptom: Cool/Heat Cannot be Changed over
73
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
73
Symptom: the Fan Speed Does Not Correspond to the Setting
73
Symptom: the Fan Direction Does Not Correspond to the Setting
73
Symptom: White Mist Comes out of a Unit (Indoor Unit)
73
Symptom: White Mist Comes out of a Unit (Indoor Unit, Heat Exchanger Unit)
73
Symptom: the User Interface Display Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
73
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)
74
Symptom: Noise of Air Conditioners (Outdoor Unit)
74
Symptom: Dust Comes out of the Unit
74
Symptom: the Units Can Give off Odours
74
Symptom: the Outdoor Unit Fan Does Not Spin
74
Symptom: the Display Shows "88
74
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
74
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
74
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
74
Symptom: Unit Operation Problems
75
Other Symptoms
76
Components
77
4-Way Valve
77
Main 4-Way Valve
77
Sub 4-Way Valve
80
Compressor
82
Checking Procedures
82
Repair Procedures
84
Crankcase Heater
87
Checking Procedures
87
Repair Procedures
87
Current Sensor
88
Checking Procedures
88
Repair Procedures
88
Expansion Valve
89
Checking Procedures
89
Repair Procedures
90
Fan Inverter PCB
92
Single Fan Outdoor Unit
92
Double Fan Outdoor Unit
95
High Pressure Switch
97
Checking Procedures
97
Repair Procedures
98
Inverter PCB
99
Checking Procedures
99
Repair Procedures
103
Main PCB
106
Checking Procedures
106
Repair Procedures
108
Noise Filter PCB
110
Checking Procedures
110
Repair Procedures
112
Oil Return Valve
112
Checking Procedures
112
Repair Procedures
114
Outdoor Unit Fan Motor
115
Single Fan Outdoor Unit
115
Double Fan Outdoor Unit
116
Plate Work
118
To Access the Switch Box on Single Fan Units
118
To Access the Switch Box on Double Fan Units
119
To Remove the Plate Work on Single Fan Units
119
To Remove the Plate Work on Double Fan Units
121
Reactor
123
Checking Procedures
123
Repair Procedures
124
Refrigerant High Pressure Sensor
124
Checking Procedures
124
Repair Procedures
125
Refrigerant Low Pressure Sensor
126
Checking Procedures
126
Repair Procedures
127
Thermistors
128
Refrigerant Side Thermistors
128
Other Thermistors
130
Daikin VRV IV+ Service Manual (476 pages)
Brand:
Daikin
| Category:
Heating System
| Size: 70 MB
Table of Contents
Low Pressure [Mpa]
32
Discharge Temperature [˚C]
57
Discharge Temperature [˚C]
192
Compressor Body Temperature [˚C]
192
Ambient Temperature [˚C]
192
Compressor Suction Temperature [˚C]
192
Normal
202
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Daikin VRV IV+ Installer And User Reference Manual (176 pages)
Brand:
Daikin
| Category:
Heating System
| Size: 8 MB
Table of Contents
Table of Contents
2
About the Documentation
6
About this Document
6
Meaning of Warnings and Symbols
6
General Safety Precautions
8
For the Installer
8
General
8
Installation Site
9
Refrigerant - in Case of R410A or R32
9
Electrical
11
Specific Installer Safety Instructions
14
For the User
17
User Safety Instructions
18
General
18
Instructions for Safe Operation
19
About the System
22
System Layout
22
User Interface
24
Before Operation
25
Operation
26
Operation Range
26
Operating the System
26
About Operating the System
26
About Cooling, Heating, Fan Only, and Automatic Operation
27
About the Heating Operation
27
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)
28
To Operate the System (with Cool/Heat Changeover Remote Control Switch)
28
Using the Dry Program
29
About the Dry Program
29
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)
29
To Use the Dry Program (with Cool/Heat Changeover Remote Control Switch)
30
Adjusting the Air Flow Direction
30
About the Air Flow Flap
30
Setting the Master User Interface
31
About Setting the Master User Interface
31
To Designate the Master User Interface (VRV DX and Hydrobox)
32
About Control Systems
32
Energy Saving and Optimum Operation
33
Available Main Operation Methods
33
Available Comfort Settings
34
Maintenance and Service
35
Maintenance after a Long Stop Period
35
Maintenance before a Long Stop Period
36
About the Refrigerant
36
After-Sales Service and Warranty
36
Warranty Period
36
Recommended Maintenance and Inspection
37
Recommended Maintenance and Inspection Cycles
37
Shortened Maintenance and Replacement Cycles
38
Troubleshooting
39
Error Codes: Overview
40
Symptoms that Are NOT System Malfunctions
43
Symptom: the System Does Not Operate
43
Symptom: Cool/Heat Cannot be Changed over
43
Symptom: Fan Operation Is Possible, but Cooling and Heating Do Not Work
43
Symptom: the Fan Speed Does Not Correspond to the Setting
43
Symptom: the Fan Direction Does Not Correspond to the Setting
43
Symptom: White Mist Comes out of a Unit (Indoor Unit)
44
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)
44
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes
44
Symptom: Noise of Air Conditioners (Indoor Unit)
44
Symptom: Noise of Air Conditioners (Indoor Unit, Outdoor Unit)
44
Symptom: Noise of Air Conditioners (Outdoor Unit)
44
Symptom: Dust Comes out of the Unit
45
Symptom: the Units Can Give off Odours
45
Symptom: the Outdoor Unit Fan Does Not Spin
45
Symptom: the Display Shows "88
45
Symptom: the Compressor in the Outdoor Unit Does Not Stop after a Short Heating Operation
45
Symptom: the Inside of an Outdoor Unit Is Warm Even When the Unit Has Stopped
45
Symptom: Hot Air Can be Felt When the Indoor Unit Is Stopped
45
Relocation
46
Disposal
47
Technical Data
48
Information Requirements for Eco Design
48
For the Installer
49
About the Box
50
About LOOP by DAIKIN
50
Overview: about the Box
50
To Unpack the Outdoor Unit
51
To Remove the Accessories from the Outdoor Unit
52
Accessory Pipes: Diameters
52
To Remove the Transportation Stay (Only for 14+16 HP)
53
To Remove the Transportation Stay (Only for 18+20 HP)
54
About the Units and Options
55
Overview: about the Units and Options
55
Identification Label: Outdoor Unit
55
About the Outdoor Unit
56
System Layout
56
Combining Units and Options
57
About Combining Units and Options
57
Possible Combinations of Indoor Units
58
Possible Combinations of Outdoor Units
58
Possible Options for the Outdoor Unit
59
Unit Installation
61
Preparing the Installation Site
61
Installation Site Requirements of the Outdoor Unit
61
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
63
Securing Safety against Refrigerant Leaks
64
Opening the Unit
66
About Opening the Units
66
To Open the Outdoor Unit
66
To Open the Electrical Component Box of the Outdoor Unit
67
Mounting the Outdoor Unit
68
To Provide the Installation Structure
68
Piping Installation
70
Preparing Refrigerant Piping
70
Refrigerant Piping Requirements
70
Refrigerant Piping Insulation
71
To Select the Piping Size
71
To Select Refrigerant Branch Kits
74
About the Piping Length
75
Single Outdoor Units and Standard Multi-Outdoor-Unit Combinations >20 HP
76
Standard Multi-Outdoor-Unit Combinations ≤20 HP and Free Multi-Outdoor-Unit Combinations
79
Multiple Outdoor Units: Possible Layouts
81
Connecting the Refrigerant Piping
83
About Connecting the Refrigerant Piping
83
Precautions When Connecting the Refrigerant Piping
83
Multiple Outdoor Units: Knockout Holes
84
To Route the Refrigerant Piping
84
To Connect the Refrigerant Piping to the Outdoor Unit
85
To Connect the Multi Connection Piping Kit
86
To Connect the Refrigerant Branching Kit
86
To Protect against Contamination
87
To Braze the Pipe End
88
Using the Stop Valve and Service Port
88
To Remove the Spun Pipes
91
Checking the Refrigerant Piping
92
About Checking the Refrigerant Piping
92
Checking Refrigerant Piping: General Guidelines
93
Checking Refrigerant Piping: Setup
94
To Perform a Leak Test
94
To Perform Vacuum Drying
95
To Insulate the Refrigerant Piping
95
Charging Refrigerant
96
Precautions When Charging Refrigerant
96
About Charging Refrigerant
97
To Determine the Additional Refrigerant Amount
98
To Charge Refrigerant: Flow Chart
100
To Charge Refrigerant
102
Step 6A: to Automatically Charge Refrigerant
104
Step 6B: to Manually Charge Refrigerant
106
Error Codes When Charging Refrigerant
107
Checks after Charging Refrigerant
107
To Fix the Fluorinated Greenhouse Gases Label
108
Electrical Installation
109
About Connecting the Electrical Wiring
109
Precautions When Connecting the Electrical Wiring
109
Field Wiring: Overview
111
About the Electrical Wiring
111
Guidelines When Knocking out Knockout Holes
112
About Electrical Compliance
113
Safety Device Requirements
114
To Route and Fix the Transmission Wiring
116
To Connect the Transmission Wiring
117
To Finish the Transmission Wiring
118
To Route and Fix the Power Supply
118
To Connect the Power Supply
119
To Check the Insulation Resistance of the Compressor
120
Configuration
122
Overview: Configuration
122
Making Field Settings
122
About Making Field Settings
122
Field Setting Components
123
To Access the Field Setting Components
124
To Access Mode 1 or 2
124
To Use Mode 1
125
Daikin VRV IV+ Installer And User Reference Manual (168 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 8 MB
Table of Contents
Table of Contents
2
1 General Safety Precautions
6
About the Documentation
6
Meaning of Warnings and Symbols
6
For the User
7
For the Installer
8
General
8
Installation Site
9
Refrigerant
9
Brine
11
Water
11
Electrical
11
2 About the Documentation
14
About this Document
14
For the Installer
14
3 About the Box
16
Overview: about the Box
16
To Unpack the Outdoor Unit
17
To Remove the Accessories from the Outdoor Unit
17
Accessory Pipes: Diameters
18
To Remove the Transportation Stay
18
4 About the Units and Options
20
Overview: about the Units and Options
20
Identification Label: Outdoor Unit
20
About the Outdoor Unit
21
System Layout
21
Combining Units and Options
22
About Combining Units and Options
22
Possible Combinations of Indoor Units
22
Possible Combinations of Outdoor Units
22
Possible Options for the Outdoor Unit
23
5 Preparation
25
Overview: Preparation
25
Preparing the Installation Site
25
Installation Site Requirements of the Outdoor Unit
25
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
27
Securing Safety against Refrigerant Leaks
28
Preparing Refrigerant Piping
30
Refrigerant Piping Requirements
30
To Select the Piping Size
31
To Select Refrigerant Branch Kits
33
About the Piping Length
35
Piping Length: VRV DX Only
35
Piping Length: VRV DX and Hydrobox
39
Piping Length: VRV DX and RA DX
40
Multiple Outdoor Units: Possible Layouts
41
Preparing Electrical Wiring
43
About Preparing Electrical Wiring
43
About Electrical Compliance
44
Safety Device Requirements
45
6 Installation
48
Overview: Installation
48
Opening the Units
48
To Open the Outdoor Unit
48
To Open the Electrical Component Box of the Outdoor Unit
49
Mounting the Outdoor Unit
49
To Provide the Installation Structure
49
Connecting the Refrigerant Piping
51
Precautions When Connecting the Refrigerant Piping
51
About Connecting the Refrigerant Piping
51
To Route the Refrigerant Piping
52
To Connect the Refrigerant Piping to the Outdoor Unit
52
To Connect the Multi Connection Piping Kit
53
Multiple Outdoor Units: Knockout Holes
54
To Connect the Refrigerant Branching Kit
54
To Protect against Contamination
54
To Braze the Pipe End
55
Using the Stop Valve and Service Port
56
To Remove the Pinched Pipes
57
Checking the Refrigerant Piping
59
About Checking the Refrigerant Piping
59
Checking Refrigerant Piping: General Guidelines
60
Checking Refrigerant Piping: Setup
60
To Perform a Leak Test
61
To Perform Vacuum Drying
61
To Insulate the Refrigerant Piping
62
Charging Refrigerant
63
Precautions When Charging Refrigerant
63
About Charging Refrigerant
64
To Determine the Additional Refrigerant Amount
64
To Charge Refrigerant: Flow Chart
67
To Charge Refrigerant
69
Step 6A: to Automatically Charge Refrigerant
72
Step 6B: to Manually Charge Refrigerant
73
Error Codes When Charging Refrigerant
74
Checks after Charging Refrigerant
75
To Fix the Fluorinated Greenhouse Gases Label
75
Connecting the Electrical Wiring
76
Precautions When Connecting the Electrical Wiring
76
Field Wiring: Overview
77
About the Electrical Wiring
78
Guidelines When Knocking out Knockout Holes
79
To Route and Fix the Transmission Wiring
79
To Connect the Transmission Wiring
80
To Finish the Transmission Wiring
81
To Route and Fix the Power Supply
81
To Connect the Power Supply
82
7 Configuration
84
Overview: Configuration
84
Making Field Settings
84
About Making Field Settings
84
Field Setting Components
85
To Access the Field Setting Components
86
To Access Mode 1 or 2
86
To Use Mode 1
87
To Use Mode 2
88
Mode 1: Monitoring Settings
89
Mode 2: Field Settings
92
To Connect the PC Configurator to the Outdoor Unit
99
Energy Saving and Optimum Operation
99
Available Main Operation Methods
99
Available Comfort Settings
100
Example: Automatic Mode During Cooling
103
Example: Automatic Mode During Heating
104
Using the Leak Detection Function
105
About Automatic Leak Detection
105
To Manually Perform a Leak Detection
105
8 Commissioning
108
Overview: Commissioning
108
Precautions When Commissioning
108
Checklist before Commissioning
109
About the Test Run
110
To Perform a Test Run
111
Correcting after Abnormal Completion of the Test Run
112
Operating the Unit
112
9 Maintenance and Service
113
Overview: Maintenance and Service
113
Maintenance Safety Precautions
113
To Prevent Electrical Hazards
113
About Service Mode Operation
114
To Use Vacuum Mode
114
To Recover Refrigerant
114
10 Troubleshooting
116
Overview: Troubleshooting
116
Solving Problems Based on Error Codes
116
Error Codes: Overview
116
11 Disposal
122
12 Technical Data
123
Overview: Technical Data
123
Service Space: Outdoor Unit
123
Piping Diagram: Outdoor Unit
126
Wiring Diagram: Outdoor Unit
131
For the User
136
13 About the System
137
System Layout
137
14 User Interface
139
15 Before Operation
140
16 Operation
141
Operation Range
141
Operating the System
141
About Operating the System
141
About Cooling, Heating, Fan Only, and Automatic Operation
141
About the Heating Operation
141
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)
142
To Operate the System (with Cool/Heat Changeover Remote Control Switch)
143
Using the Dry Program
143
About the Dry Program
143
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)
144
To Use the Dry Program (with Cool/Heat Changeover Remote Control Switch)
144
Adjusting the Air Flow Direction
145
About the Air Flow Flap
145
Setting the Master User Interface
146
About Setting the Master User Interface
146
To Designate the Master User Interface (VRV DX and Hydrobox)
146
To Designate the Master User Interface (VRV DX and RA DX)
147
About Control Systems
147
Daikin VRV IV+ Installation And Operation Manual (52 pages)
Brand:
Daikin
| Category:
Heat Pump
| Size: 6 MB
Table of Contents
Table of Contents
5
About Electrical Compliance
31
Safety Device Requirements
31
Field Wiring: Overview
31
To Route and Fix the Transmission Wiring
32
To Connect the Transmission Wiring
32
To Finish the Transmission Wiring
33
To Route and Fix the Power Supply
33
To Connect the Power Supply
33
To Check the Insulation Resistance of the Compressor
34
Configuration
34
Making Field Settings
34
About Making Field Settings
34
Field Setting Components
34
To Access the Field Setting Components
35
To Access Mode 1 or 2
35
To Use Mode 1
35
To Use Mode 2
35
Mode 1: Monitoring Settings
36
Mode 2: Field Settings
36
To Connect the PC Configurator to the Outdoor Unit
37
Using the Leak Detection Function
38
About Automatic Leak Detection
38
Commissioning
38
Precautions When Commissioning
38
Checklist before Commissioning
38
About the Test Run
39
To Perform a Test Run
39
Correcting after Abnormal Completion of the Test Run
40
Hand-Over to the User
40
Troubleshooting
40
Solving Problems Based on Error Codes
40
Error Codes: Overview
40
Technical Data
43
Service Space: Outdoor Unit
43
Piping Diagram: Outdoor Unit
45
Wiring Diagram: Outdoor Unit
46
Disposal
48
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