Heating Mode Maintenance; Service Personnel Maintenance - Trane Perfomance Climate Changer CSAA Series Installation, Operation And Maintenance Manual

Routine Maintenance
WARNING
Hazardous Gases and Flammable Vapors!
Exposure to hazardous gases from fuel substances have
been shown to cause cancer, birth defects or other
reproductive harm. Improper installation, adjustment,
alteration, service or use of this product could cause
flammable mixtures or lead to excessive carbon
monoxide. To avoid hazardous gases and flammable
vapors follow proper installation and set up of this
product and all warnings as provided in this manual.
Failure to follow all instructions could result in death or
serious injury.

Heating Mode Maintenance

Table 9. Routine maintenance in heating mode
Task
Unit startup
Unit shutdown
Check fuel valves, pilot and main
Check combustion safety controls:
- Flame failure
- Flame signal strength
Drain condensate from heat exchanger
Clean air inlet louver
Clean combustion air blower and motor
Clean exhaust flue
Clean combustion air dampers
Check combustion air inlets for obstruction.
Remove debris.
Check gas piping for leaks

Service Personnel Maintenance

Table 10. Routine maintenance for trained service personnel
Task
Inspect burner components
Visually inspect safety switches
Check flue emissions
Check fuel valves, main
Check safety controls:
- High limit
- Airflow
- Low gas pressure
- High gas pressure
- Exhaust fan switch (where applicable)
Inspect gas pilot assembly
CLCH-SVX08C-EN
Frequency Remarks
Weekly Listen to and visually inspect the unit during normal startup.
Weekly Listen to and visually inspect the unit during normal shutdown.
Weekly Open limit switches and listen to and visually inspect.
Close manual fuel supply for the pilot and the main fuel valves; check safety
Weekly
shutdown timing and record.
Follow procedure to check flame signal strength outlined in
Weekly
p. 28.
Weekly This task only needs to be done if the unit runs for extended hours at low fire.
Monthly Use brush and vacuum cleaner
Monthly Use brush and vacuum cleaner
Monthly Use brush and vacuum cleaner
Monthly Use brush and vacuum cleaner
Monthly Use brush or vacuum cleaner.
Use soap bubble solution or equivalent leak tester.
Yearly WARNING: Do not use an open flame to perform a leak test as personal injury
or death could occur.
Frequency Remarks
Semiannually Refer to burner and component manufacturer's manuals
Inspect airflow sensor lines for obstructions.
Inspect terminal connections for tightness.
Semiannually
Inspect switches for fused contacts.
Check that settings haven't changed or been tampered with.
Annually Use a combustion analyzer
Annually Perform valve leak test per valve manufacturer's instructions
Annually Refer to control manufacturer's instructions
Annually Remove and clean if applicable
"Main Burner Ignition,"
31