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11.0.0
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Operation Instructions
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11.1.0
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The fused disconnect to your unit should be on a minimum
of eight (8) hours before unit is started; this is to allow
the crankcase heater to evaporate any refrigerant in the oil.
It is advisable to leave the disconnect on at all times except
for extended shut-downs.
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11.2.0
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On a water cooled unit, cooling tower pump(s) must be turned
on.
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11.3.0
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Set thermostat to desired temperature. This must not be set
lower than 50° F. unless sufficient glycol has been added
to prevent freezing. (See 8.4.0 for mixture). Thermostat senses
return water, the leaving water is 10° F lower.
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11.4.0
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Turn chiller switch to "ON".
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11.5.0
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Allow unit to run for ten minutes and check the refrigerant
sight glass. Sight glass should be clear and center button
green. If there are bubbles in the liquid line sight glass,
allow the unit to run but call a qualified refrigeration serviceman
in as soon as possible. If the button in the sight glass is
bright yellow shut unit down immediately and call in a qualified
serviceman. This procedure must be done when the unit is started
up or a minimum of once a month.
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11.6.0
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Check crankcase oil by observing oil compressor. Oil should
be halfway up the sight glass do not consider foam on the
top of oil. This procedure must be done when the unit is started
up or a minimum of once a month
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11.7.0
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Observe the unit for short cycling compressor starting up
and stopping frequently. Unit must not be allowed to run for
a extended period on short cycle conditions. Call 1st Choice
Portable Chillers for control adjustments.
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11.8.0
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Observe unit for abnormal vibrations and abnormal noises
from the compressor and piping.
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11.9.0
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Check and clean condenser inlet air filters. This should
be done as required depending on plant air conditions. DO
NOT run the unit without a filter as a plugged condenser
is not covered under our warranty agreement.
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When shutting down unit, turn chiller switch to "OFF". Leave
disconnect ON except for long periods of shut down time.
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11.11.0
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Controls and valves must not be tampered with, it is only
necessary to adjust the thermostat as required.
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11.12.0
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Failure through plugged contaminated or corroded chiller
vessel is not covered by warranty.
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1.0
| 2.0 | 3.0 |
4.0 | 5.0 | 6.0
| 7.0 | 8.0 |
9.0 | 10.0 | 11.0
| 12.0 | 13.0
| 14.0
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