ECO-X / IL-X Manual
IM100117
RD: NOV 2009
RL: 05A - BA
19
12. LIGHTING INSTRUCTIONS
A Open the isolation valve in the main gas line and turn gas control knob on the combination
gas valve to the “ON” position.
B Switch on electrical circuit by turning the thermostat to the highest temperature setting.
C The heater should attempt ignition and remain lit within thirty seconds. Note that the corre-
sponding exhaust fan is operating properly.
D If ignition does not occur, then cut off electrical power by turning the thermostat to off posi-
tion.
A. Turn off electrical circuit for temporary shutdown.
B. Turn off the electrical circuit, close gas stop-cock in gas supply line, and turn gas control knob to
the “OFF” position for complete shut-down.
13. SHUT DOWN INSTRUCTIONS
If heater back-fires during operation it must be turned off
immediately.
Indication of back-firing
:
A. Loud ignition noise, then followed by dis-
tinct hissing sound.
B. Little or no visible burning on the ceramic
tile.
C. Combustion is taking place inside the
burner body.
Cause & remedy of back-firing
:
A. Improper gas pressure entering the venturi
tube = test & remedy gas pressure.
B. Breakage of a ceramic tile and or gasket =
replace damaged part.
C. Faulty sealing of the ceramic tile to the
burner body, caused by breakdown of gas-
ket material = contact your Schwank dis-
tributor.
WARNING
