WH-SDC03H3E5-1, WH-SDC05H3E5-1, WH-SDC07H3E5-1, WH-SDC09H3E5-1, WH-UD03HE5-1, WH-UD05HE5-1, WH-UD07HE5-1, WH-UD09HE5-1 - Panasonic Air Conditioner Service Manual Simplified (repair manual). Page 2

Read Panasonic WH-SDC03H3E5-1 / WH-SDC05H3E5-1 / WH-SDC07H3E5-1 / WH-SDC09H3E5-1 / WH-UD03HE5-1 / WH-UD05HE5-1 / WH-UD07HE5-1 / WH-UD09HE5-1 Service Manual Simplified online

TABLE OF CONTENTS 
 
PAGE    
PAGE
1.
 
Safety Precautions ............................................. 4
 
2.
 
Specifications ..................................................... 6
 
2.1
 
WH-SDC03H3E5-1 WH-UD03HE5-1 ............ 6
 
2.2
 
WH-SDC05H3E5-1 WH-UD05HE5-1 ............ 9
 
2.3
 
WH-SDC07H3E5-1 WH-UD07HE5-1 .......... 12
 
2.4
 
WH-SDC09H3E5-1 WH-UD09HE5-1 .......... 15
 
3.
 
Features ............................................................. 18
 
4.
 
Location of Controls and Components .......... 19
 
4.1
 
Indoor Unit ................................................... 19
 
4.2
 
Outdoor Unit ................................................. 42
 
5.
 
Dimensions ....................................................... 43
 
5.1
 
Indoor Unit ................................................... 43
 
5.2
 
Outdoor Unit ................................................. 44
 
6.
 
Refrigeration and Water Cycle Diagram ........ 46
 
6.1
 
Standard System (Optional PCB not 
connected) ................................................... 47
 
6.2
 
Advance System (Optional PCB connected) ... 
  .................................................................... 47
 
7.
 
Block Diagram .................................................. 48
 
7.1
 
WH-SDC03H3E5-1 WH-UD03HE5-1        
WH-SDC05H3E5-1 WH-UD05HE5-1 .......... 48
 
7.2
 
WH-SDC07H3E5-1 WH-UD07HE5-1        
WH-SDC09H3E5-1 WH-UD09HE5-1 .......... 49
 
8.
 
Wiring Connection Diagram ............................ 50
 
8.1
 
Indoor Unit ................................................... 50
 
8.2
 
Outdoor Unit ................................................. 51
 
9.
 
Electronic Circuit Diagram .............................. 53
 
9.1
 
Indoor Unit ................................................... 53
 
9.2
 
Outdoor Unit ................................................. 54
 
10.
 
Printed Circuit Board ....................................... 56
 
10.1
 
Indoor Unit ................................................... 56
 
10.2
 
Outdoor Unit ................................................. 58
 
11.
 
Installation Instruction ..................................... 60
 
11.1
 
Indoor Unit ................................................... 60
 
11.2
 
Variation of system ...................................... 69
 
11.3
 
System Installation ....................................... 81
 
11.4
 
Outdoor Unit ................................................. 92
 
12.
 
Operation and Control ..................................... 97
 
12.1
 
Basic Function ............................................. 97
 
12.2
 
Water Pump ...............................................107
 
12.3
 
Indoor Unit Safety ......................................110
 
12.4
 
Auto Restart Control ..................................110
 
12.5
 
Indication Panel .........................................110
 
12.6
 
Indoor Back-Up Heater Control .................111
 
12.7
 
Tank Heater Control ...................................112
 
12.8
 
Base Pan Heater Control (Optional) ..........113
 
12.9
 
Force Heater Mode ....................................114
 
12.10
 
Powerful Operation ....................................115
 
12.11
 
Quiet Operation ..........................................116
 
12.12
 
Sterilization Mode ..................................... 116
 
12.13
 
Outdoor Ambient Thermo OFF Control .... 117
 
12.14
 
Alternative Outdoor Ambient Sensor Control .. 
  ................................................................. 117
 
12.15
 
Force DHW mode ..................................... 118
 
12.16
 
Anti Freeze Control ................................... 119
 
12.17
 
Solar Operation (Optional) ........................  120
 
12.18
 
Boiler Bivalent Control .............................. 121
 
12.19
 
External Room Thermostat Control (Optional) 
  ................................................................. 123
 
12.20
 
Three Ways Valve Control ........................ 124
 
12.21
 
Two Ways Valve Control........................... 124
 
12.22
 
External OFF/ON Control ......................... 125
 
12.23
 
External Compressor Switch (Optional PCB) .. 
  ................................................................. 126
 
12.24
 
Heat/Cool Switch (Optional PCB) ............. 126
 
12.25
 
SG Ready Control (Optional PCB) ........... 127
 
12.26
 
Demand Control (Optional PCB) .............. 128
 
12.27
 
Holiday Mode ............................................ 129
 
12.28
 
Dry Concrete ............................................. 129
 
12.29
 
Flow Sensor .............................................. 129
 
13.
 
Protection Control (WH-UD03HE5-1  .................. 
 WH-UD05HE5-1) 
............................................. 
130
 
13.1
 
Protection Control for All Operations ........ 130
 
13.2
 
Protection Control for Heating Operation.. 132
 
13.3
 
Protection Control for Cooling Operation .. 133
 
14.
 
Protection Control (WH-UD07HE5-1  .................. 
 WH-UD09HE5-1) 
............................................. 
134
 
14.1
 
Protection Control for All Operations ........ 134
 
14.2
 
Protection Control for Heating Operation.. 136
 
14.3
 
Protection Control for Cooling Operation .. 137
 
15.
 
Servicing Mode .............................................. 138
 
15.1
 
How to Take Out Front Plate .................... 138
 
15.2
 
Test Run ................................................... 138
 
15.3
 
Expansion Vessel Pre Pressure Checking ...... 
  ................................................................. 138
 
15.4
 
Pump Down Procedures ...........................  139
 
15.5
 
How To Adjust Pump Speed ..................... 140
 
15.6
 
How To Adjust Pump Speed ..................... 141
 
15.7
 
How To Unlock Cool Mode ....................... 142
 
15.8
 
EEPROM Factory Default Data Setup 
Procedure ................................................. 143
 
15.9
 
Dry Concrete Setup .................................. 144
 
16.
 
Maintenance Guide........................................ 146
 
16.1
 
Maintenance for Water Filter Set .............. 147
 
17.
 
Troubleshooting Guide .................................  149
 
17.1
 
Refrigeration Cycle System ...................... 149
 
17.2
 
Relationship between the Condition of the Air-
to-Water Heatpump Indoor and Outdoor Units 
and Pressure and Electric Current ............ 150
 
17.3
 
Breakdown Self Diagnosis Function ......... 151
 
17.4
 
Error Codes Table ..................................... 153
 
17.5
 
Self-diagnosis Method .............................. 155
 
18.
 
Disassembly and Assembly Instructions ... 203
 
Page of 127

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