Carrier 61WG 020 Installation, Operation And Maintenance Instructions

Contents

4The 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................................................................................... 4417.1 - Compressors........................................................................................................................................................................... 4417.2 - Lubricant ................................................................................................................................................................................ 4517.3 - Evaporators and water-cooled condensers......................................................................................................................... 4517.4 - Electronic expansion valve (EXV) ..................................................................................................................................... 4517.5 - Refrigerant ............................................................................................................................................................................. 4517.6 - High-pressure switch and high-pressure sensor ................................................................................................................. 4617.7 - High and low-pressure side safety valves ........................................................................................................................... 4617.8 - Moisture indicator ................................................................................................................................................................. 4617.9 - Filter drier in the refrigerant circuit .................................................................................................................................... 4617.10 - Fixed-speed pump ............................................................................................................................................................... 4717.11 - Variable-speed pump .......................................................................................................................................................... 4717.12 - Evaporator and condenser pump suction filter ............................................................................................................... 4717.13 - Connection sleeves .............................................................................................................................................................. 4717.14 - Option 272: High-temperature water production with glycol solution ........................................................................... 4717.15 - Outside air temperature sensor ......................................................................................................................................... 4718 - OPTIONS AND ACCESSORIES........................................................................................................................................ 4819 - MAINTENANCE................................................................................................................................................................... 4919.1 - Soldering and welding.......................................................................................................................................................... 4919.2 - General system maintenance .............................................................................................................................................. 4919.3 - Refrigerant undercharge...................................................................................................................................................... 4919.4 - Refrigerant guidelines ......................................................................................................................................................... 4919.5 - Leak detection ...................................................................................................................................................................... 5019.6 - Evacuation ............................................................................................................................................................................ 5019.7 - Recharging liquid refrigerant .............................................................................................................................................. 5019.8 - Characteristics of R-410A ................................................................................................................................................... 5019.9 - Electrical maintenance ........................................................................................................................................................ 5119.10 - Tightening torques for the main electrical connections ................................................................................................. 5119.11 - Tightening torques for the main bolts and screws .......................................................................................................... 5119.12 - Compressors ........................................................................................................................................................................ 5119.13 - Evaporator and condenser maintenance ......................................................................................................................... 5119.14 - Corrosion check .................................................................................................................................................................. 5120 - AQUASNAP MAINTENANCE PROGRAM .................................................................................................................. 5220.1 - Maintenance schedule ......................................................................................................................................................... 5220.2 - Description of the maintenance operations ...................................................................................................................... 5221 - START-UP CKECKLIST FOR 61WG/30WG/30WGA UNITS (USE FOR JOB FILE) ........................................... 53