Periodic Maintenance - Trane CVGF500 Installation, Operation & Maintenance Manual

Periodic Maintenance

Overview
Use of a periodic maintenance program is important to ensure the best possible unit
performance and efficiency.
Daily Maintenance Checks
Check the chiller's evaporator and condenser pressures, and discharge oil pressure.
IMPORTANT: IT IS HIGHLY RECOMMENDED THAT THE OPERATING LOG BE COMPLET-
ED ON A DAILY BASIS.
Check the oil level in the chiller oil sump using the two sight glasses provided in the
oil sump head. When the unit is operating, the oil level should be visible in the lower
sight glass.
Weekly Checks
Check the following after the machine has been in operation for at least 30 minutes:
1.
2. Current drawn by the compressor (Amps).
3. Oil level in the oil sump. The oil level must be visible in the sight glass.
4. Condenser pressure, evaporator pressure.
5. Unusual noise, vibration, and so forth
It is strongly recommended that unit readings and observations are recorded on a
weekly log sheet.
The acceptance of a warranty claim may depend on this.
Annual Checks
The yearly maintenance should be performed by an authorized Trane service techni-
cian. It should include weekly checks.
1.
2. Leak test the entire machine for refrigerant leaks.
3. Check starter contactors for wear and replace if required.
4. Check motor winding insulation.
5. Check motor amps draw.
6. Perform an oil analysis.
7.
8. Check and adjust the water flow
9. Check and adjust interlocks.
10. Clean condenser tubes.
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Chilled water and condenser water entering and leaving temperatures.
Check setting and operation of all controls and safety devices.
Perform vibration analysis.
Periodic Maintenance
CVGF-SVX03B-EN