Table Of Contents - Fujitsu WATERSTAGE 112 Maintenance Document

1 Technical Characteristics ..............................................................................................6
1.1 Specifications .................................6
1.2 Performance Data ..........................6
1.2.1 Rated Performance..........................6
1.2.2 Maximum Stated Performance ........6
1.2.3 Performance Curves for Waterstage
112................................................................7
2 Installation Rules ..........................................................................................................10
2.1 Heat Pump ...................................10
2.1.1 Outdoor Units.................................10
2.1.2 Hydraulic Unit.................................11
2.2 Control Terminal...........................12
2.2.1 Room Unit ......................................12
3 Getting Started..............................................................................................................17
3.1 Checks .........................................17
3.1.1 Outdoor Unit...................................17
3.1.2 Hydraulic Unit.................................17
3.1.3 Hydraulic System ...........................17
3.1.4 Electrical System ...........................17
3.1.5 Refrigeration System .....................17
3.2 Settings ........................................18
3.3 Operating Modes..........................18
4 Faults .............................................................................................................................23
4.1 Fault List.......................................23
4.1.1 Hydraulic Unit Fault........................23
4.1.2 Outdoor Unit Fault..........................25
4.2 Outdoor Unit Clearing...................26
4.2.1 Failures with Error Code ................26
4.2.2 Failures With No Error Code..........48
4.3 Sensor Values ..............................52
4.3.1 Outdoor Unit Temperature
Sensors.......................................................52
4.3.2 Hydraulic Unit Temperature
Sensors.......................................................52
4.4 Service parts information..............53
5 Failures..........................................................................................................................58
5.1 Hydraulic, Electric and Refrigeration
Systems ...................................................58
5.1.1 Hydraulic System ...........................58
5.1.2 Electrical System ...........................59
Contents
1.2.4
140................................................................7
1.2.5
160................................................................8
1.3
1.4
2.2.2
2.3
2.3.1
2.3.2
2.3.3
3.3.1
3.3.2
3.4
3.5
3.5.1
3.6
3.6.1
3.6.2
4.4.1
Compressor ................................................ 53
4.4.2
compressor................................................. 54
4.4.3
unit electronic expansion valve (EEV,
EEV(INJ))....................................................55
4.4.4
unit solenoid valve (SV).............................. 56
4.5
5.1.3
5.2
5.3
5.4
Performance Curves for Waterstage
Performance Curves for Waterstage
Hydraulic Characteristics ...............8
Refrigeration Diagram....................9
User Interface ................................ 12
Electrical Connections .................14
Installation Precautions ................. 14
Electrical Connection Overview..... 14
Hydraulic Unit Connection Diagram16
Manual Adjustment........................ 18
Auto Adapt Adjustment.................. 20
Control of Electric Backups..........20
Domestic Hot Water.....................20
Principle of Operation .................... 21
Test Mode ....................................21
Sensor and Input Test Mode ......... 21
Output Test Mode.......................... 22
Service parts information 1 :
Service parts information 2 : Inverter
Service parts information 3 : Outdoor
Service parts information 4 : Outdoor
Operating Limits...........................57
Refrigeration System ..................... 60
Compressor Operating Checks....62
Refrigeration Circuit Leak Test ....62
Troubleshooting ...........................62
29/01/2010