Chiller Construction ........................................................................................................................................................... 15
Compressor ............................................................................................................................................................................ 15
Air Cooled Condenser............................................................................................................................................................. 15
(Air Cooled Units Only) ........................................................................................................................................................... 15
Water Cooled Condenser ....................................................................................................................................................... 15
(Water Cooled Units Only) ..................................................................................................................................................... 15
Condenser Water Regulating Valve (Water Cooled Units Only) ............................................................................................ 16
Condenser Remote Air-Cooled ............................................................................................................................................... 16
Evaporator .............................................................................................................................................................................. 16
Thermostatic Expansion Valve (TXV) ...................................................................................................................................... 16
Refrigerant Sight Glass ........................................................................................................................................................... 16
Refrigerant Filter Drier ........................................................................................................................................................... 16
Hot Gas Bypass Valve ............................................................................................................................................................. 16
Reservoir ................................................................................................................................................................................ 17
Coolant Pump ......................................................................................................................................................................... 17
Pressure Gauge ...................................................................................................................................................................... 17
Y-Strainer ................................................................................................................................................................................ 17
High Refrigerant Pressure Switch ........................................................................................................................................... 17
Low Refrigerant Pressure Switch ........................................................................................................................................... 17
Freezestat ............................................................................................................................................................................... 17
Coolant Pressure Switch ......................................................................................................................................................... 18
Automatic Water Make-Up (Optional) ................................................................................................................................... 18
Upgraded Pumps (Optional)................................................................................................................................................... 18
Preventive Maintenance ................................................................................................................................................... 18
Once a Week .......................................................................................................................................................................... 18
Once a Month ........................................................................................................................................................................ 18
Every Three Months ............................................................................................................................................................... 19
Preventive Maintenance Checklist ..................................................................................................................................... 20
Troubleshooting ................................................................................................................................................................ 21
Charts and Drawings .......................................................................................................................................................... 23
Table 8 - EQ Air Cooled Chiller Electrical Specifications ..................................................................................................... 23
Table 9 - EQ Water Cooled Chiller Electrical Specifications ................................................................................................ 24
Figure 2 - 60 Hz Pump Curves (water) ................................................................................................................................ 25
Figure 3 - 50 Hz Pump Curves (water) ................................................................................................................................ 26
Warranty ........................................................................................................................................................................... 27
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