Routine Maintenance; Heating Mode Maintenance; Service Personnel Maintenance - Trane Gas Heat Sections for Performance Climate Changer Air Handlers Installation, Operation And Maintenance Manual

Routine Maintenance

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. 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 10. Routine maintenance in heating mode
Task
Unit startup
Unit shutdown
Check fuel valves, pilot and main Weekly
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 11. Routine maintenance for trained service personnel
Task
Inspect burner components
Visually inspect safety switches Semiannually
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
32
WARNING
Frequency Remarks
Weekly Listen to and visually inspect the unit during normal startup.
Weekly Listen to and visually inspect the unit during normal shutdown.
Open limit switches and listen to and visually inspect.
• Close manual fuel supply for the pilot and the main fuel valves; check safety shutdown timing
Weekly
and record.
• Follow procedure to check flame signal strength outlined in
Weekly
Turndown, 200-2000 MBh)" on page
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.
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 (3:1, 10:1
28.
CLCH-SVX08A-EN