6
direct spark igniter and sensor for damage, crack-
ing or debris build-up.
7. Check operation of safety devices. Refer to manu-
facturers’ instructions.
8. Follow oil-lubricating instructions on pump (if re-
quired). Over-oiling will damage pump.
Water-lubricated circulators do not need oiling.
9. To avoid potential of severe burn, DO NOT REST
HANDS ON OR GRASP PIPES. Use a light touch;
return piping will heat up quickly.
10. Check blower and blower motor
11. Check for piping leaks around pumps, relief valves
and other fittings. Repair, if found. DO NOT use
petroleum-based stop-leak.
Periodically
1. Check relief valve. Refer to manufacturer’s
instructions on valve.
2. Test low water cut-off (if equipped). Refer to manu-
facturer’s instructions.
Preventive Maintenance
Schedule
The following procedures are recommended and are
good practice for all XFyre installations.
Daily
1. Check gauges, monitors and indicators.
2. Check instrument and equipment settings. (See
“Post Start-Up Check” in the I&O Manual.)
3. Check burner flame. (Should see light blue flame
at full input rate).
Weekly
For low-pressure heaters, test low-water cut-off
device. (With heater in pre-purge, depress the low
water cut-off test button. Appliance should shut-off
and ignition fault light should come on. Depress reset
button on front of heater control panel to reset).
Daily
1. Check that the area where the heater is installed
is free from combustible materials, gasoline, and
other flammable vapors and liquids.
2. Check for and remove any obstruction to the flow
of combustion or ventilation air to heater.
Monthly
1. Check for piping leaks around pumps, mixing
valves, relief valves, and other fittings. If found,
repair at once. DO NOT use petroleum-based
stop-leak compounds.
2. Visually inspect burner flame.
3. Visually inspect venting system for proper func-
tion, deterioration or leakage.
4. Visually inspect for proper operation of the con-
densate drains in the venting, and the internal
condensate trap. Clean trap as necessary. If leaks
are observed, repair at once.
5. Check air vents for leakage.
Yearly (Beginning Of Each Heating
Season)
Schedule annual service call by qualified service
agency.
1. Visually check top of vent for soot. Call service
person to clean. Some sediment at bottom of vent
is normal.
2. Visually inspect venting system for proper func-
tion, deterioration or leakage. Ensure that
condensate drain is inspected and ensure that
condensate is being directed to appropriate con-
densate management system or drain, as required
by local codes.
3. Check that area is free from combustible materi-
als, gasoline, and other flammable vapors and
liquids.
4. Check for and remove any obstruction to the flow
of combustion or ventilation air to heater.
5. Follow pre-start-up check in the Start-up section.
6. Visually inspect burner flame. It should be light
blue at full input. Remove and visually inspect
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