Maintenance - Trane CGA-SVX01A-EN Installation, Operation And Maintenance Manual

Once the unit has been operating for about
30 minutes and the system has stabilized,
check operating conditions and complete the
checkout procedure described below:
© American Standard Inc. 2001

Maintenance

Monthly
Check suction and discharge pressures
for normal operating pressures.
Check the liquid line sight glass indicator
for normal operating conditions.
If operating pressures and sight glass
conditions indicate a refrigerant shortage,
measure system superheat and
subcooling.
If operating conditions indicate an
overcharge, slowly (to minimize oil loss)
recover refrigerant from the schraeder
valve.
Open the unit disconnect switch; then
manually rotate the condenser fan(s) to
ensure proper orifice clearance.
Inspect the fan mounting bolts for
tightness.
Check fan set screws for tightness.
Please clean up internal and pipe's
strainer once the unit first starts running
and monthly after use.
26
Annually
Perform all monthly maintenance
procedure.
Have a qualified service technician check
the setting and function of each control
and inspect the condition of all contactors
and replace as necessary.
Drain water from unit. Inspect piping for
damage. Clean out the built-in water
strainer and any other in-line water
strainer.
Clean and repaint any corroded surfaces.
Clean condenser coil with soft brush and
water spray.
Inspect the expansion valve(s) sensing
bulbs for cleanliness; clean if required.
These bulbs must make good contact
with the suction lines and must be
properly insulated.
Clean condenser fan.
CGA-SVX01A-EN