10TA Service Manual
SERVICE OPERATIONS
4/28/14
9-11
Crankcase Heater 100 W (insert type) 12A7509E12 518-0028-01
Oil Pressure safety switch
Sentronic3
Module and Sensor
12A2117A05 585-1076-02
CoreSense Protection Module and Sensor 12A2117A07 943-0109-00
Oil safety – sensor only
For Sentronic, Sentronic 3
or CoreSense
12A2117A0501 998-0162-00
Oil Separator. A helical oil separator is used to separate the oil from the discharge gas and return it
to the compressor. Oil may be drained from the separator through the angle valve located on the
bottom of the oil separator. If necessary, the oil return float mechanism may accessed for cleaning
or replacement by removing the bottom flange. Note: Make sure oil is drained and the pressure
removed from oil separator before disassembling.
FIGURE 9-8
Oil Separator
Compressor Crankcase Heater-100Watt (Part No. 12A7509E12) When electrical power is
supplied to 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 contactor is energized.
Control Circuit Protection (Part No. 12A7504E1) The electrical control circuit of the machine is
protected by a 2 Pole, 3A circuit breaker. If the breaker should open, the machine will immediately
stop. Before resetting the breaker, open the disconnect switch to machine and set the
“Clean/Off/Ice” selector switch to the “off” position. If the machine was off for an extended time
the crankcase heater must be energized for a minimum of two hours before restarting the machine.
When ready to restart the machine, set the “Clean/Off/Ice” selector switch to “Ice” and depress the
“Start” button. The machine will start in a harvest, and begin a new freeze cycle upon completion.
Discharge line
from compressor
Oil return line to
compressor
Angle valve with
1/4” access fitting
Oil Separator
Vogt Part #: 12A3025S08
(Add 25 ounces of oil when installing new)
Oil return shutoff valve
Note: Valve may be located at compressor
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