Specifications

81
3.19 — Crankcase Heater Data
Crankcase heaters help reduce refrigerant migration to the
compressor during shut-down. Crankcase heaters are
designed to raise the temperature in the compressor oil
compartment approximately 15 to 25°F (8 to 14°C).
Carlyle recommends crankcase heaters be wired so the
heater is energized only when the compressor shuts off.
Crankcase heaters should be “ON” initially for 24 hours
before starting the compressor. All HFC/POE applications
require a crankcase heater.
STRAP-ON HEATERS:
Mounted externally to the underside of the stamp steel
bottom plate. Install axially using (2) bottom plate bolts
plus brackets and screws in package. Used on 06D( )808,
109, 013, 313, and 316 compressors. All strap-on heaters
are 50 watts.
INSERTION HEATERS:
Insert into cast well (hole) in cast iron bottom plate.
Circular clip with barbs secures heater. Used on 06D( )718,
818, and 820 4-cylinder compressors, all 6-cylinder 06D
compressors, all 06E and all 06CC compressors. Insertion
heaters are available in 125 and 180 watt
sizes.
NOTES:
1. Insertion heaters use AS8IVF056 tubular clip.
2. Thermal grease is provided and must be used with 180 watt heaters (grease packet P/N
38AQ680001).
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