Table Of Contents - Panasonic WH-MHF09G3E5 Service Manual

TABLE OF CONTENTS

1. Safety Precautions ............................................. 3
2. Specifications ..................................................... 5
2.1 WH-MHF09G3E5 ........................................... 5
2.2 WH-MHF12G6E5 ........................................... 7
3. Features ............................................................... 9
4. Location of Controls and Components .......... 10
4.1 Mono Bloc Unit ............................................. 10
5. Dimensions ....................................................... 20
5.1 Mono Bloc Unit ............................................. 20
6. Refrigeration and Water Cycle Diagram ........ 21
7. Block Diagram .................................................. 23
7.1 WH-MHF09G3E5 ......................................... 23
7.2 WH-MHF12G6E5 ......................................... 24
8. Wiring Connection Diagram ............................ 25
8.1 WH-MHF09G3E5 ......................................... 25
8.2 WH-MHF12G6E5 ......................................... 26
9. Electronic Circuit Diagram .............................. 28
9.1 WH-MHF09G3E5 ......................................... 28
9.2 WH-MHF12G6E5 ......................................... 29
10. Printed Circuit Board ....................................... 31
10.1 Water system ............................................... 31
10.2 Refrigerant System ...................................... 33
11. Installation Instruction ..................................... 35
11.1 Select The Best Location ............................. 37
11.2 Mono Bloc Unit Installation .......................... 37
11.3 Piping Installation ......................................... 38
11.4 Connect The Cord And Cable To Mono
Bloc Unit ....................................................... 39
11.5 Checking and Test Run Procedures ............ 45
12. Operation and Control ..................................... 46
12.1 Basic Function ............................................. 46
12.2 Water Pump ................................................. 57
12.3 Pump Down Operation
[Service Mode: 01] ....................................... 59
12.4 Flow Switch .................................................. 59
12.5 Mono Bloc Unit Safety ................................. 60
12.6 Auto Restart Control .................................... 60
12.7 Indication Panel ........................................... 60
12.8 Back-Up Heater Control ............................... 61
12.9 Tank Booster Heater Control ....................... 62
12.10 Base Pan Heater Control (Optional) ............ 62
12.11 Sterilization Mode ........................................ 63
12.12 Quiet Operation ............................................ 63
12.13 Anti Freeze Control ...................................... 64
12.14 Solar Operation (Optional) ........................... 65
12.15 External Room Thermostat Control
(Optional) ..................................................... 68
12.16 Three Ways Valve Control ........................... 69
12.17 External OFF/ON Control ............................ 69
12.18 Holiday Mode ............................................... 70
PAGE
12.19 Dry Concrete Function .................................70
13. Protection Control ............................................71
13.1 Protection Control for All Operations ...........71
13.2 Protection Control for Heating Operation.....73
14. Servicing Mode .................................................75
14.1 Remove The Cabinet Front Plate ................75
14.2 Test Run ......................................................75
14.3 Proper Pump Down Procedure ....................75
14.4 How To Adjust Water Flow Rate ..................76
14.5 Expansion Vessel Pre Pressure
Checking ......................................................76
14.6 Dry Concrete [SERVICE MODE: 03] ...........76
14.7 EEPROM Factory Default Data Setup
Procedure ....................................................77
15. Maintenance Guide...........................................78
16. Troubleshooting Guide ....................................80
16.1 Refrigeration Cycle System .........................80
16.2 Relationship Between The Condition Of
The Mono Bloc Unit And Pressure And
Electric Current ............................................81
16.3 Breakdown Self Diagnosis Function ............82
16.4 Error Codes Table ........................................83
16.5 Self-diagnosis Method .................................85
17. Disassembly and Assembly Instructions ... 123
17.1 To Remove The Cabinet Front Plate ........ 123
17.2 To Remove The Cabinet Top Plate .......... 123
17.3 To Remove The Cabinet Rear Plate ......... 124
17.4 To Remove Pressure Gauge .................... 124
17.5 To Remove RCCB .................................... 124
17.6 To Remove Transformer and Electronic
Controller Board ........................................ 125
17.7 To Remove Pressure Relief Valve, Flow
Switch and Air Purge Valve ...................... 125
17.8 To Remove Water Pump .......................... 126
17.9 To Remove Bottle Complete ..................... 127
18. Technical Data ............................................... 128
18.1 Operation Characteristics ......................... 128
18.2 Heating Capacity Table............................. 130
19. Exploded View and Replacement Parts
List .................................................................. 131
19.1 (Refrigerant System) ................................. 131
19.2 (Water System) ......................................... 136
2
PAGE