14.2.1 SHW45-325CE – SHW85-435CE ................................................................................................................................................... 34
14.2.2 SHW115-435CE .............................................................................................................................................................................. 35
14.2.3 SHW145-435CE .............................................................................................................................................................................. 36
14.3 LPG COMMISSIONING AND TESTING ...................................................................................................................................................... 37
14.3.1 LPG PRESSURE ADJUSTMENT AND COMBUSTION CHECKS ................................................................................................. 37
15.0 MAINTENANCE ................................................................................................................................................................................................... 37
15.1 GENERAL ..................................................................................................................................................................................................... 37
15.2 MAINTENANCE SCHEDULE ....................................................................................................................................................................... 37
15.3 BURNER INSPECTION ................................................................................................................................................................................ 37
15.4 BURNER REMOVAL .................................................................................................................................................................................... 38
15.5 CLEANING THE HEAT EXCHANGER ......................................................................................................................................................... 38
15.6 DRAINING THE WATER HEATER SYSTEM............................................................................................................................................... 38
15.7 STORAGE VESSEL: INSPECTION AND CLEANING ................................................................................................................................. 39
15.8 SACRIFICIAL ANODES: INSPECTION AND REPLACEMENT .................................................................................................................. 39
15.9 REFILLING THE SYSTEM ........................................................................................................................................................................... 39
15.10 OTHER CHECKS ................................................................................................................................................................................... 39
15.10.1 RELIEF VALVE ................................................................................................................................................................................ 39
15.10.2 FLUE SYSTEM ................................................................................................................................................................................ 39
15.10.3 CONDENSATE NEUTRALISATION KIT ......................................................................................................................................... 40
16.0 USER CONTROL INTERFACE SETTINGS ....................................................................................................................................................... 40
16.1 ENTERING THE INSTALLER CODE ........................................................................................................................................................... 40
16.2 MENU SET D FUNCTIONS .......................................................................................................................................................................... 40
16.2.1 RESET LAST 10 ERRORS ............................................................................................................................................................. 40
16.2.2 SERVICE MODE DELAY ................................................................................................................................................................ 40
16.3 MENU SET E WHR SETTINGS ................................................................................................................................................................... 41
16.3.1 TANK SETPOINT ............................................................................................................................................................................ 41
16.4 MENU SET H CONTROL MODES ............................................................................................................................................................... 42
16.4.1 CONTROL SOURCE ....................................................................................................................................................................... 42
16.4.2 CASCADE ADDRESS ..................................................................................................................................................................... 42
16.4.3 MAX CASCADE SETPOINT............................................................................................................................................................ 42
16.4.4 CASCADE OFFSET ........................................................................................................................................................................ 42
16.4.5 CASCADE OFF-ON DIFFERENTIAL .............................................................................................................................................. 42
16.5 MENU SET I CIRCULATION PUMPS .......................................................................................................................................................... 42
16.5.1 DHW PUMP DELAY ........................................................................................................................................................................ 42
16.6 MENU SET J SERVICE NOTIFICATION ..................................................................................................................................................... 42
16.6.1 SERVICE NOTIFICATION IN MONTHS ......................................................................................................................................... 42
16.6.2 SERVICE NOTIFICATION RUNNING HOURS .............................................................................................................................. 42
16.6.3 SERVICE NOTIFICATION BOILER CYCLES................................................................................................................................. 42
16.6.4 RESET SERVICE NOTIFICATION COUNTER .............................................................................................................................. 43
17.0 USER INSTRUCTIONS ....................................................................................................................................................................................... 43
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