Carrier AquaSnap 61WG Series - Page 4

4
The illustrations in this document are for illustrative purposes only and not part of any offer for sale or contract.
18 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ...................................................................................................60
18.1 - Compressors ......................................................................................................................................................................... 60
18.2 - Lubricant................................................................................................................................................................................60
18.3 - Evaporators and water-cooled condensers ...........................................................................................................................60
18.4 - Electronic expansion valve (EXV) .........................................................................................................................................60
18.5 - Refrigerant.............................................................................................................................................................................60
18.6 - High-pressure switch and high-pressure sensor ................................................................................................................... 61
18.7 - High and low-pressure side relief valve.................................................................................................................................61
18.8 - Moisture indicator .................................................................................................................................................................. 61
18.9 - Filter drier in the refrigerant circuit.........................................................................................................................................61
18.10 - Fixed-speed pump...............................................................................................................................................................61
18.11 - Variable-speed pump ...........................................................................................................................................................61
18.12 - Evaporator and condenser pump suction lter ....................................................................................................................61
18.13 - Outside air temperature (Option 312)..................................................................................................................................61
19 - OPTIONS AND ACCESSORIES ............................................................................................................................................... 62
20 - MAINTENANCE .........................................................................................................................................................................65
20.1 - Soldering and welding ........................................................................................................................................................... 65
20.2 - General system maintenance................................................................................................................................................65
20.3 - Refrigerant undercharge .......................................................................................................................................................66
20.4 - Refrigerant guidelines ..........................................................................................................................................................66
20.5 - Leak detection ....................................................................................................................................................................... 66
20.6 - Evacuation ............................................................................................................................................................................66
20.7 - Recharging liquid refrigerant .................................................................................................................................................66
20.8 - Characteristics of R-410A......................................................................................................................................................67
20.9 - Electrical maintenance ..........................................................................................................................................................67
20.10 - Tightening torques for the main electrical connections .......................................................................................................67
20.11 - Tightening torques for the main bolts and screws ...............................................................................................................67
20.12 - Compressors ....................................................................................................................................................................... 68
20.13 - Evaporator and condenser maintenance ............................................................................................................................68
20.14 - Corrosion check ..................................................................................................................................................................68
21 - AQUASNAP MAINTENANCE PROGRAM ................................................................................................................................69
21.1 - Maintenance schedule ..........................................................................................................................................................69
21.2 - Description of the maintenance operations ........................................................................................................................... 69
22 - START-UP CKECKLIST FOR UNITS (USE FOR JOB FILE) ...................................................................................................70
CONTENTS