Danfoss BW05 Installation, Operation And Maintenance Instructions page 3

11 START UP ..........................................................................................................................................................................28
11.1 - Preliminary checks ...........................................................................................................................................................................................................................................28
11.2 - Actual start-up ....................................................................................................................................................................................................................................................28
11.3 - Operation of two units in primary/secondary mode .................................................................................................................................................................28
12 MAJOR SYSTEM COMPONENTS AND OPERATION DATA .............................................................................................29
12.1 - Compressors ........................................................................................................................................................................................................................................................29
12.2 - Lubricant ................................................................................................................................................................................................................................................................29
12.3 - Evaporators and condensers .....................................................................................................................................................................................................................29
12.4 - Thermostatic expansion device ...............................................................................................................................................................................................................30
12.5 - Refrigerant .............................................................................................................................................................................................................................................................30
12.6 - High-pressure switch ......................................................................................................................................................................................................................................30
12.7 - High and low-pressure side safety valves ..........................................................................................................................................................................................30
12.8 - Moisture indicator ............................................................................................................................................................................................................................................30
12.9 - Filter drier in the refrigerant circuit ........................................................................................................................................................................................................30
12.10 - Fixed-speed cold water loop pump (evaporator side) ...........................................................................................................................................................31
12.11 - Variable-speed hot water loop pump (condenser side) ........................................................................................................................................................31
12.12 - Evaporator and condenser pump suction filter..........................................................................................................................................................................31
13 MAINTENANCE .................................................................................................................................................................31
13.1 - Soldering and welding ..................................................................................................................................................................................................................................31
13.2 - General unit maintenance ..........................................................................................................................................................................................................................32
13.3 - Refrigerant charge ............................................................................................................................................................................................................................................32
13.4 - Refrigerant guidelines ..................................................................................................................................................................................................................................32
13.5 - Leak detection ....................................................................................................................................................................................................................................................33
13.6 - Evacuation ...........................................................................................................................................................................................................................................................33
13.7 - Recharging liquid refrigerant ....................................................................................................................................................................................................................33
13.8 - Characteristics of R-407C .............................................................................................................................................................................................................................33
13.9 - Electrical maintenance ..................................................................................................................................................................................................................................33
13.10 - Compressors .....................................................................................................................................................................................................................................................34
13.11 - Evaporator and condenser maintenance .......................................................................................................................................................................................34
13.12 - Corrosion check ..............................................................................................................................................................................................................................................34
14 MAINTENANCE PROGRAM .............................................................................................................................................35
14.1 - Maintenance schedule ..................................................................................................................................................................................................................................35
14.2 - Description of the maintenance operations ...................................................................................................................................................................................35
15 START UP CHECKLIST FOR BW05 BRINE WATER HEAT PUMP USE FOR JOB FILE ..................................................37
The cover photograph is for illustrative purposes only and is not part of any offer for sale or contract.
VUGFB102
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