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Back Bar Operation Installation Manual
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30
STEP 4.
STEP 5.
STEP 1.
STEP 2.
Starting device
Overload
Capacitor
Install piercing valves on high and low side process
tube.
NOTE: Never leave piercing valves installed on pro-
cess tubes as they tend to leak over time. Pinch
off process tubes, remove piercing valves, leak
check
Charge level is listed on unit information plate.
Once charge level has been set, avoid installing
gauges as part of regular service. System should
be kept sealed.
Do not “top off” or add refrigerant to an unknown
existing charge.
Completely reclaim existing refrigerant in
accordance with EPA regulations and thoroughly
evacuate the system.
After evacuating the system:
1.
Break vacuum with refrigerant.
2.
Purge system through the high side until a
nominal amount of refrigerant is purged out
of the low side.
3.
Then “weigh in” the correct total charge into
system.
6.15 Replace compressor starting
device – Self-contained models
Completely slide out refrigeration deck. See
Section 6.2.
Pry open gray cover. Starting device is now
accessible.
Overload device and capacitor are also accessible.