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03TA Service Manual
Compressor Crankcase Heater.
terminals L1, L2 & L3 of the control panel, the crankcase heater is energized when the machine is
not operating. It is de-energized when the compressor is operating.
Oil Return shut-off valve
Suction
Service
Valve
Suction Screen
(Behind suction valve)
Oil Pump Screen
4/2/14
Vogt Part #: 12A7509E12
(from oil separator)
Oil Charging Connection
(1/4" access fitting with shrader)
Oil Pump
Copeland Discus Compressor (3D shown)
When electrical power is supplied to
To Oil Separator
Oil Sightglass
FIGURE 9-8
SERVICE OPERATIONS
Compressor
Unloader
Discharge
Service
Valve
Sentronic Oil
Pressure Safety
Switch
Crankcase Heater
9-7
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