4
The illustrations in this document are for illustrative purposes only and not part of any offer for sale or contract.
17 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ................................................................................... 44
17.1 - Compressors ........................................................................................................................................................................... 44
17.2 - Lubricant ................................................................................................................................................................................ 45
17.3 - Evaporators and water-cooled condensers......................................................................................................................... 45
17.4 - Electronic expansion valve (EXV) .....................................................................................................................................45
17.5 - Refrigerant .............................................................................................................................................................................45
17.6 - High-pressure switch and high-pressure sensor .................................................................................................................46
17.7 - High and low-pressure side safety valves ...........................................................................................................................46
17.8 - Moisture indicator ................................................................................................................................................................. 46
17.9 - Filter drier in the refrigerant circuit ....................................................................................................................................46
17.10 - Fixed-speed pump ...............................................................................................................................................................47
17.11 - Variable-speed pump .......................................................................................................................................................... 47
17.12 - Evaporator and condenser pump suction lter ...............................................................................................................47
17.13 - Connection sleeves .............................................................................................................................................................. 47
17.14 - Option 272: High-temperature water production with glycol solution ........................................................................... 47
17.15 - Outside air temperature sensor .........................................................................................................................................47
18 - OPTIONS AND ACCESSORIES ........................................................................................................................................48
19 - MAINTENANCE ...................................................................................................................................................................49
19.1 - Soldering and welding .......................................................................................................................................................... 49
19.2 - General system maintenance ..............................................................................................................................................49
19.3 - Refrigerant undercharge ...................................................................................................................................................... 49
19.4 - Refrigerant guidelines ......................................................................................................................................................... 49
19.5 - Leak detection ...................................................................................................................................................................... 50
19.6 - Evacuation ............................................................................................................................................................................50
19.7 - Recharging liquid refrigerant .............................................................................................................................................. 50
19.8 - Characteristics of R-410A ...................................................................................................................................................50
19.9 - Electrical maintenance ........................................................................................................................................................ 51
19.10 - Tightening torques for the main electrical connections ................................................................................................. 51
19.11 - Tightening torques for the main bolts and screws ..........................................................................................................51
19.12 - Compressors ........................................................................................................................................................................51
19.13 - Evaporator and condenser maintenance ......................................................................................................................... 51
19.14 - Corrosion check .................................................................................................................................................................. 51
20 - AQUASNAP MAINTENANCE PROGRAM ..................................................................................................................52
20.1 - Maintenance schedule ......................................................................................................................................................... 52
20.2 - Description of the maintenance operations ...................................................................................................................... 52
21 - START-UP CKECKLIST FOR 61WG/30WG/30WGA UNITS (USE FOR JOB FILE) ........................................... 53
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