Carrier 69NT40-511-310 - Arctic Option; Figure 2-8 Arctic Option

2-12T -296
2.6 ARCTIC OPTION
The arctic option consists of the arctic drain line, which
incorporates the drain hose heater (DHH), drain hose
fuse (FDH), hose heater thermostat (HHT), and the
hose heater safety thermostat (HST). The arctic drain
line is attached to the drain pan, and prevents water
fromfreezingintheline.Inaddition,thereisa crankcase
heater (CCH) installed onto the compressor, which
warms the refrigerant oil and evaporate any liquid
refrigerant which may have migrated tothecompressor
crankcase.
2
1
1. Arctic Drain Line
2. Compressor Crankcase Heater (CCH)
Figure 2-8 Arctic Option
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