Table Of Contents - Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document

1 Control and test ..............................................................................................................4
1.1 Control of Electric Backups .................... 4
2 Faults ...............................................................................................................................5
2.1 Fault List ................................................ 5
2.1.1 Hydraulic Unit Fault ...................................... 5
2.1.2 Outdoor Unit Fault ........................................ 7
2.2 Outdoor Unit Clearing ............................ 8
2.2.1 Failures with Error Code ............................... 8
2.2.2 Failures With No Error Code ....................... 27
2.3 Sensor Values ..................................... 31
2.3.1 Outdoor Unit Temperature Sensors ........... 31
2.3.2 Hydraulic Unit Temperature Sensors ......... 31
2.4 Service parts information ..................... 32
2.4.1 Service parts information 1 : Compressor .. 32
2.4.2 Service parts
compressor ................................................. 33
3 Failures .......................................................................................................................... 39
3.1 Hydraulic, Electric
Systems ............................................... 39
3.1.1 Hydraulic System ........................................ 39
3.1.2 Electrical System ........................................ 40
3.1.3 Refrigeration System .................................. 41
4 Control Settings ............................................................................................................ 44
4.1 General ................................................ 44
4.2 Function Table ..................................... 45
4.3 Adjustment Function Details ................ 51
4.3.1 Date and Time Functions ............................ 51
4.3.2 User Interface Functions ............................. 51
4.3.3 Time Program Functions (heating circuit 1 &
2, DHW, cooling) ......................................... 52
4.3.4 Heating Circuit 1 & 2 Functions .................. 53
4.3.5 Cooling Circuit 1 Functions ......................... 60
4.3.6 DHW Functions (with DHW kit or with
integrated DHW models) ............................. 66
4.3.7 Swimming Pool Functions .......................... 69
5 Maintenance services ................................................................................................... 91
5.1 Hydraulic checks .................................. 91
5.2 Maintenance
(Integrated DHW models)..................... 91
5.2.1 Emptying the hot water tank ....................... 91
6 Maintenance (integrated DHW models ........................................................................ 92
6.1 Emptying the hydraulic unit .................. 92
6.2 Distribution valve ................................. 92
Contents
information 2 : Inverter
and Refrigeration
of the DHW
1.2 Sensor and Input Test Mode ................. 4
2.4.3 Service parts information 3 : Outdoor unit
electronic expansion valve (EEV) ................ 34
2.4.4 Service parts information 4 : Outdoor unit
solenoid valve (SV) ...................................... 35
2.4.5 Service parts information 5 : Outdoor unit fan
motor ............................................................ 35
2.4.6 Service parts information 6 : Active filter
module
WO*A100LDT models) ................................ 36
2.4.7 Service parts information 7 : IPM (mounted
on Transistor PCB, Only for WO*A080LDC
and WO*A100LDT models) ......................... 37
2.5 Operating Limits .................................. 38
3.2 Compressor Operating Checks ........... 43
3.3 Refrigeration Circuit Leak Test ............ 43
3.4 Troubleshooting .................................. 43
4.3.8 Heat Pump Functions .................................. 69
4.3.9 Supplementary source ................................ 71
4.3.10 DHW Tank Functions (with DHW kit or with
integrated DHW models) ............................. 73
4.3.11 Configuration Functions .......................... 75
4.3.12 Error Functions ....................................... 77
4.3.13 Maintenance / Special Operating Mode
Functions ................................................. 79
4.3.14 Input / Output Testing Functions ............. 81
4.3.15 Status Functions ..................................... 82
4.3.16 Generator Diagnosis Functions .............. 87
4.3.17 Consumer Diagnosis Functions .............. 88
5.2.2 Descaling ..................................................... 91
5.3 Checking the outdoor unit.................... 91
tank
5.4 Electrical checks ................................. 91
6.3 ACI check ............................................ 92
(Only for WO*A080LDC and