Sign In
Upload
Manuals
Brands
Panasonic Manuals
Heat Pump
U-4..6ML5DPQ
Panasonic U-4..6ML5DPQ Manuals
Manuals and User Guides for Panasonic U-4..6ML5DPQ. We have
1
Panasonic U-4..6ML5DPQ manual available for free PDF download: Service Manual
Panasonic U-4..6ML5DPQ Service Manual (283 pages)
Urban Multi
Brand:
Panasonic
| Category:
Heat Pump
| Size: 8.37 MB
Table of Contents
Service Manual
1
Table of Contents
3
Heat Pump
3
Part 5 Function
3
Introduction
7
Safety Cautions
7
Preface
11
Part 1 General Information
13
Model Names of Indoor/Outdoor Units
14
External Appearance
15
Indoor Units
15
Capacity Range
16
Part 2 Specifications
17
Outdoor Units
18
Indoor Units
22
Ceiling Suspended Type
33
Part 3 List of Electrical and Functional Parts
41
List of Electrical and Functional Parts
42
Outdoor Unit
42
Indoor Unit
44
Part 4 Refrigerant Circuit
51
Refrigerant Circuit
52
Outdoor Unit
52
Refrigerant Circuit Part
52
Functional Parts Layout
56
U-4, 5, 6Ml5Xpq
56
U-4, 5, 6Ml5Dpq
57
Back View
58
Part 5 Function
59
Operation Mode
60
Basic Control
61
Normal Operation
61
Compressor PI Control
62
Electronic Expansion Valve PI Control
63
Cooling Operation Fan Control
64
Special Control
65
Startup Control
65
Oil Return Operation
66
Defrosting Operation
68
Pump-Down Residual Operation
69
Restart Standby
70
Stopping Operation
71
Protection Control
72
High Pressure Protection Control
72
Low Pressure Protection Control
73
Discharge Pipe Protection Control
74
Inverter Protection Control
75
Other Control
76
Demand Operation
76
Heating Operation Prohibition
76
Outline of Control (Indoor Unit)
77
Drain Pump Control
77
Remote Controller
78
Louver Control for Preventing Ceiling Dirt
79
Thermostat Sensor in Remote Controller
80
Freeze Prevention
82
View of Operations of Swing Flaps
83
Electronic Expansion Valve Control
84
Hot Start Control (in Heating Operation Only)
84
Part 6 Test Operation
85
Test Operation
86
Procedure and Outline
86
Test Operation Part
86
Air Tight Test and Vacuum Drying
87
Important Information Regarding the Refrigerant Used
88
Check Operation
94
Operation When Power Is Turned on
97
Outdoor Unit PC Board Layout
98
Field Setting
99
Field Setting from Remote Controller
99
Simplified Remote Controller
102
Detailed Explanation of Setting Modes
105
Cz-01Rw Type
113
Group No. Setting Example
113
Contents of Control Modes
114
Field Setting from Outdoor Unit
116
Image of Operation
128
Part 7 Troubleshooting
135
Symptom-Based Troubleshooting
137
Troubleshooting by Remote Controller
140
The INSPECTION / TEST Button
140
Self-Diagnosis by Wired Remote Controller
141
Self-Diagnosis by Wireless Remote Controller
142
Operation of the Remote Controller's Inspection / Test Operation Button
144
Remote Controller Service Mode
145
Remote Controller Self-Diagnosis Function
147
Troubleshooting by Indication on the Remote Controller
154
A0" Indoor Unit: Error of External Protection Device
154
A1" Indoor Unit: PC Board Defect
155
A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)
156
A6" Indoor Unit: Fan Motor (M1F) Lock, Overload
158
A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S)
159
Abnormal Power Supply Voltage
161
A9" Indoor Unit: Malfunction of Moving Part of
162
Electronic Expansion Valve (Y1E)
162
AF" Indoor Unit: Drain Level above Limit
164
AJ" Indoor Unit: Malfunction of Capacity Determination Device
165
(Between Indoor Unit PC Board and Fan PC Board)
166
C1" Indoor Unit: Failure of Transmission
166
C4" Indoor Unit: Malfunction of Thermistor (R2T)
168
C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
168
C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
169
C6" Indoor Unit: Failure of Combination
170
(Between Indoor Unit PC Board and Fan PC Board)
170
C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air
171
CA" Indoor Unit: Malfunction of Thermistor for Discharge Air
172
CC" Indoor Unit: Malfunction of Humidity Sensor System
173
Malfunction of Humidity Sensor System
173
CJ" Indoor Unit: Malfunction of Thermostat Sensor in
174
Remote Controller
174
E1" Outdoor Unit: PC Board Defect
175
E3" Outdoor Unit: Actuation of High Pressure Switch
176
E4" Outdoor Unit: Actuation of Low Pressure Sensor
178
Inverter Compressor Motor Lock
180
E5" Inverter Compressor Motor Lock
180
Malfunction of Outdoor Unit Fan Motor
181
E7" Malfunction of Outdoor Unit Fan Motor
181
Electronic Expansion Valve (Y1E, Y3E)
182
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature
184
Outdoor Unit: Refrigerant Overcharged
185
F6" Outdoor Unit: Refrigerant Overcharged
185
For Heat Exchanger
185
H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air
186
J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)
187
J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2
188
Suction Pipe 1, 2
188
J6" Outdoor Unit: Malfunction of Thermistor (R6T)
189
J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe
190
J9" Outdoor Unit: Malfunction of Thermistor (R4T)
191
JA" Outdoor Unit: Malfunction of High Pressure Sensor
192
JC" Outdoor Unit: Malfunction of Low Pressure Sensor
193
L1" Outdoor Unit: Malfunction of PC Board
194
L4" Outdoor Unit: Malfunction of Inverter Radiating Fin
195
Temperature Rise
195
L5" Outdoor Unit: Inverter Compressor Abnormal
196
L8" Outdoor Unit: Inverter Current Abnormal
197
L9" Outdoor Unit: Inverter Start up Error
198
LC" Outdoor Unit: Malfunction of Transmission between
199
Inverter and Control PC Board
199
P1" Outdoor Unit: High Voltage of Capacitor in
200
Main Inverter Circuit
200
Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure
201
Electronic Expansion Valve Failure
201
Power Supply Insufficient or Instantaneous Failure
203
U2" Power Supply Insufficient or Instantaneous Failure
203
Check Operation Not Executed
205
U3" Check Operation Not Executed
205
Malfunction of Transmission between Indoor Units and Outdoor Units
206
U5" Malfunction of Transmission between Remote Controller and Indoor Unit
208
Indoor Unit
208
Malfunction of Transmission between Main and Sub Remote Controllers
209
Controllers
209
Malfunction of Transmission between Indoor and Outdoor Units in the same System
210
U9" Malfunction of Transmission between Indoor and Outdoor Units in the same System
210
UA" Excessive Number of Indoor Units
212
UC" Address Duplication of Central Remote Controller
213
UE" Malfunction of Transmission between Central Remote Controller and Indoor Unit
214
UF" System Is Not Set yet
216
UH" Malfunction of System, Refrigerant System Address Undefined
217
Troubleshooting by Indication on the Centralized Remote Controller
218
Centralized Remote Controller and Indoor Unit
218
UE" Malfunction of Transmission between
218
UE" Malfunction of Transmission between Centralized Remote Controller and Indoor Unit
218
M1" PC Board Defect
219
Malfunction of Transmission between Optional Controllers for Centralized Control
220
Optional Controllers for Centralized Control
220
MA" Improper Combination of Optional Controllers for Centralized Control
221
MC" Address Duplication, Improper Setting
223
Troubleshooting by Indication on the Unified ON/OFF Controller
224
Operation Lamp Blinks
224
Display "Under Host Computer Integrate Control" Blinks
226
Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)
226
(Repeats Double Blink)
229
Display "Under Host Computer Integrate Control" Blinks (Repeats Double Blink)
229
Part 8 Appendix
233
Piping Diagrams
234
Outdoor Unit
234
Indoor Unit
236
Wiring Diagrams
239
Outdoor Unit
239
Field Wiring
241
Indoor Unit
243
Option List
258
Option List of Controllers
258
Option List of Outdoor Unit
260
Example of Connection
261
Thermistor Resistance / Temperature Characteristics
263
Pressure Sensor
265
Method of Replacing the Inverter's Power Transistors Modules
266
Precautions for New Refrigerant (R-410A)
269
Precautions for New Refrigerant (R-410A)
270
Outline
270
Refrigerant Cylinders
272
Service Tools
273
Index
279
Advertisement
Advertisement
Related Products
Panasonic U-4..6ML5XPQ
Panasonic UD03*E5*
Panasonic UD09*E5*
Panasonic UD07*E5*
Panasonic UX09*E5 Series
Panasonic UX12*E5 Series
Panasonic UX09*E8 Series
Panasonic UD12*E8 Series
Panasonic UD16*E8 Series
Panasonic UQ09 E8 Series
Panasonic Categories
Camcorder
Air Conditioner
TV
Digital Camera
Cordless Telephone
More Panasonic Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL