OM 1130-2 83
Table 8, Thermostatic Expansion Valve
Not
e: Superheat will vary with compressor unloading, but should be approximately as follows:
between 8°F and 12°F (4.4°C and 6.7°C) at full load; between 6°F and 10°F at part load.
Water-cooled Condenser
The condenser is of the shell-and-tube type with water flowing through the tubes and refrigerant
in the shell. External finned copper tubes are rolled into steel tube sheets and to the center
dividing tube sheet. Integral subcoolers are incorporated on all units. All condensers are equipped
with 500 psig (3104 kPa) relief valves. Normal tube cleaning procedures can be followed.
Evaporator
The evaporator is a sealed, brazed-stainless steel plate unit. Normally no service work is required
on the evaporator.
Adjustment of expansion valve should only be performed by a qualified
service technician. Failure to do so can result in improper unit operation.
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