Replacing The Control Panel - Quincy QGV-100 Instruction Manual

Replacing the Control Panel

Warning!
P r i o r t o a t t e m p t i n g r e p a i r s o f
the electronic control or related
components, disconnect and lock out
all power supplies to the compressor
as well as any remote controllers.
Assure that power is removed from the
compressor
by checking for AC voltage at the line side
of the motor starter.
notiCe!
Prior to replacing the control panel,
document the existing information
r e g a r d i n g t o t a l r u n n i n g h o u r s ,
separator hours, air filter hours, fluid
filter hours and fluid service/sample
hours. This data will be transferred to
the replacement control prior to start-
up.
• Remove screws attaching control to
door of enclosure.
• Remove and discard wire tiewraps.
notiCe!
Prior to touching any portion of the
printed circuit board, ground yourself
using a grounding wrist strap to remove
any static electricity.
• After assuring the compressor is
properly grounded, clip the grounding
wrist strap to any exposed metal on the
frame of the compressor.
• Identify individual wire location(s).
(Reference the electrical wiring diagram
found in the control panel of the unit.)
• Install new electronic control panel
and install wiring in accordance with
electrical wiring diagram.
• Attach new control to enclosure door
using existing hardware.
• Install new wire tiewraps to secure
wiring to wire bundle.
Operational Test
• Remove tag and lock out tools.
• Restore power to unit.
• If the control panel was replaced,
reference Section IV - Operating
Procedures to program the
replacement control.
• Perform an operational test to assure
unit is operating correctly.
Quincy Compressor-QGV Series
Section V - Servicing
4