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What are terminals 4 and 6 used for
The unit is strictly rated for hot and chilled water applications with up to 50% glycol
or if the wheel is physically bent
40VA Power Rating: Sufficient capacity for standard furnace control boards and multiple 24V accessories
Copeland 918-0518-00 Crankcase Heater Els PW 17895 What are terminals 4 andThe Copeland 918 0518 00 Crankcase Heater is a critical 120V insertion style heating element designed for Copeland semi hermetic compressors. To prevent liquid refrigerant migration and ensure reliable oil lubrication during cold start cycles, this 200 watt heater maintains a precise temperature differential within the compressor oil sump. Engineering specifications include a 3 1 2 inch diameter insertion probe, matched with a 33 inch conduit length