Trane CenTraVac™ Water-Cooled Chiller CVHG - 670-780 - 621 - 142L / 142L

- Shut down the chiller once each year to check the items of Evaporator

1. Inspect for fouling and scaling in tubes

2. Check operation of evaporator water flow sensing device

3. Factory recommendation to eddy current test tubes every three years;

Is the evaporator part of a closed circuit?

If the evaporator is part of a closed circuit, it may not accumulate appreciable amounts of scale or sludge.

Has the evaporator been cleaned in the last three years?

Normally, cleaning every three years is sufficient.

Is the evaporator part of an open system, such as air washers?

However, periodic inspection and cleaning is recommended on open evaporator systems, such as air washers.

Sign off on the evaporator maintenance

Clean all water strainers in the water piping system

Inspect waterbox coatings within the first 1–3 months to determine a required maintenance schedule for your job site

Inspect waterbox anodes within the first 1–3 months to determine a required maintenance schedule for your job site

Sign off on the chiller maintenance

- Lubricate the gantries annually

1. Use ConocoPhillips Gantries MegaPlex® XD3 (gray in color), LPS® MultiPlex Multi-Purpose (blue in color), or equivalent

- Lubricate the hinges annually

1. Use ConocoPhillips MegaPlex® XD3 (gray in color), LPS® MultiPlex Multi- Purpose (blue in color), or equivalent;

Operate the tang operators manually and check for any abnormalities

Drain contents of the rupture disk and purge discharge vent-line drip-leg into an evacuated waste container

Do this more often if the purge is operated excessively

Apply oil to any exposed metal parts to prevent rust