Emerson Copeland 2D Series User Manual

22 D6.3.4/0715-0716/E
4.8.4 Crankcase heaters
IMPORTANT
Oil dilution! Bearing malfunction! Turn the crankcase heater on 12 hours
before starting the compressor.
A crankcase heater is used to prevent refrigerant from migrating into the shell during standstill
periods.
27-Watt heater element for K compressors
 The internal crankcase heater for K compressors is a self-regulating 27-Watt PTC heater
(see Fig. 22).
70-Watt and 100-Watt heater element
 The 70-Watt heater for L, 2D and D2 compressors is screwed into a pocket.
 Heaters for D3, 3D, D4 and D6 compressors are screwed into a sleeve (see Fig. 22).
Figure 22: Crankcase heater 27W, 70W and 100W
200 Watt heater element
 In compressors that are equipped with a deep oil sump the heater element is inserted into a
special chamber and fixed to the compressor body.
Figure 23: Crankcase heater 200W
1. Magnetic plug
2. Securing piece
3. Heater element 200W
4. Deep oil sump

Emerson Copeland 2D Series Specifications

General

Brand	Emerson
Model	Copeland 2D Series
Category	Air Compressor
Language	English