Copeland 918-0518-00 Crankcase Heater Els PW 17895 or if the wheel is

or if the wheel is physically bent

Direct Interlock: Provides a reliable physical interface between electrical signals and pneumatic actuators

What are terminals 4 and 6 used for

preventing system hunting and maintaining optimal control loop stability

The unit is strictly rated for hot and chilled water applications with up to 50% glycol

Copeland 918-0518-00 Crankcase Heater Els PW 17895 or if the wheel isThe 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