Aircel AES Series, Руководство пользователя

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Refrigerated Air Dryer User Manual
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7.2 Electrical
• Make certain that the dryer is connected to proper power
supply in accordance with electrical diagram provided.
• Check electrical breaker, fuse, or disconnect to determine
if there is electrical power to the unit.
• A quick check should determine if the power switch is
turned on and the unit is running.
• After determining that power is supplied to the unit, go to
the next step.
7.3 Refrigeration
Non-cycling refrigerated air dryers with R-134a refrigerant
should have a suction gauge pressure reading of 28-40 psig
and a discharge gauge pressure reading of 160-250 psig
with the unit in the on position under full or partial load. If
the refrigerant gauge(s) reads more or less than the above
specified pressures, troubleshoot items below.
1. High refrigerant readings generally indicate:
•
Dirty condenser - Clean immediately!
• Dryer not turned on.
• Overloading - Airflow or conditions in excess of dryer
capacity.
• High ambient temperature (≥ 100°F) Provide adequate
WARNING!
Electric Shock Hazard
This machine is connected to high voltage power,
which can cause severe electrical shock and injury.
• Follow proper lock out/tag out procedures before
performing service or maintenance work.
• Prior to performing any maintenance on the dryer,
all personnel are strongly advised to familiarize
themselves with the equipment by reading the
entire contents of this operation manual.
• Follow all safety procedures prior to performing
any maintenance activity on the dryer.
WARNING!
Electric Shock Hazard
This machine is connected to high voltage power,
which can cause severe electrical shock and injury.
Follow proper lock out/tag out procedures before
performing service or maintenance work.
WARNING!
Chemical Hazard
Improper handling of refrigerant can cause severe
injury.
Refrigerant handling must be performed by a qualified
technician and all applicable national and local codes
must be followed.
NOTICE
Always observe refrigerant pressure gauge(s) to
determine if and how refrigeration circuit is operating.