Periodic Maintenance - Trane R Series Installation Operation & Maintenance

RLC-SVX02G-E4

Periodic Maintenance

General
Perform all maintenance procedures
and inspections at the
recommended intervals. This will
prolong the life of the chiller and
minimize the possibility of costly
failures.
After the unit has been operating for
approximately 30 minutes and the
system has stabilized, check the
operating conditions and complete
the procedures below:
Weekly Maintenance
While the unit is running in stable
conditions:
1. Check the CH.530 pressure for
Evaporator, Condenser, and
Intermediate Oil.
2. Observe the Liquid-Line Sight
Glass on EXV.
3. If the liquid-line sight glass has
bubbles, measure the subcooling
entering the EXV. The subcooling
should never be less than 2.2°C
under any circumstances.
CAUTION
A clear sight glass alone does not
mean that the system is properly
charged. Also check the rest of the
system operating conditions.
4. Inspect the entire system for
unusual conditions and inspect
the condenser coils for dirt and
debris. If the coils are dirty, refer
to coil cleaning.
Monthly Maintenance
1. Perform all weekly maintenance
procedures.
2. Record the system subcooling.
3. Record the system superheat.
4. Make any repairs necessary.
Annual Maintenance
1. Perform all weekly and monthly
procedures.
2. Check the oil sump oil level while
the unit is off.
Note: Routine changing of the oil is
not required. Use an oil analysis to
determine the condition of the oil.
3. Have Trane or another qualified
laboratory perform a compressor
oil analysis to determine system
moisture content and acid level.
This analysis is a valuable
diagnostic tool.
4. Contact a qualified service
organization to leak-test the
chiller, to check operating and
safety controls, and to inspect
electrical components for
deficiencies.
5. Inspect all piping components for
leakage and damage.
6. Clean and repaint any areas that
show signs of corrosion.
7. Clean the condenser coils.
8. Clean the air filter located in the
door of the control panel (only
applicable on size 400 reduced
length)
WARNING
Position all electrical disconnects in
the "Open" position and lock them
to prevent injury or death due to
electrical shock.
9. Check and tighten all electrical
connections as necessary.
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