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Failure to properly ground the compressor package could result in controller
malfunction.
7.
V-Belt System
- Refer to Section 8 page 50 for detailed instruction to unpack and check the
alignment of the belt system.
The motor jacking hardware must be re-configured, the disposable spacer
removed, and belts engaged and the belt sheaves alignment checked prior to
compressor operation. Failure to do so will prevent compressor operation and/or
component damage.
8.
Rotation
- Check for correct motor rotation by jogging the motor. See
“Maintenance, Motor Jog”
menu in Controller Operating and Service Manual. Compressor drive shaft rotation must be
counterclockwise, standing facing the compressor sheave.
Operation with incorrect motor rotation can damage equipment and cause oil
eruption from the compressor inlet. When checking motor rotation, induce
minimum rotation (less than one revolution if possible). Never allow motor to
reach full speed.
The compressor unit’s direction of rotation must be checked every time the
compressor package or its main motor is reconnected to the power supply.
N
N
N
O
O
O
T
TT
I
II
C
C
C
E
E
E
Read the Controller Operating and Service Manual before operating the
compressor.
9.
Unload Pressure -
This is the package discharge pressure beyond which the controller will initiate
an unload action. It is set at the factory, but may be changed as desired. DO NOT EXCEED THE
MAXIMUM OPERATING PRESSURE ON THE COMPRESSOR NAMEPLATE. See "Operational
Settings" menu in Controller Operating and Service Manual.
10.
Load Pressure
- This is the package discharge pressure at which the controller will halt the unload
action and load the compressor. It is typically selected 15psig below the Unload setting. See
"Operational Settings" menu in Controller Operating and Service Manual.
Summary of Contents for APEX15-18A
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