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Warning: Incorrect venturi adjustment may lead to improper combustion, which is a safety hazard.
Contact the dealer if there is any concern about the venturi adjustment.
NEVER USE AN OPEN FLAME FOR LEAK TESTING
aiR DiveRteR contRoL:
When the blower is on, the amount of air ow into the room can be adjusted
with the air diverter. When the lever is to the far left the room receives the
air, when the lever is to the far right the air goes out the duct and when
the lever in the middle the air goes to both the duct and the room. Lever is
found above the right end of the control panel, see Figure 5.
Operating Instructions
PiLot Light:
1. Turn off the gas to the replace. If not recently done, remove the glass and let the unit air out
for at least ve (5) minutes to clear out any gas. Turn on gas to the heater. Leak test all joints
with soapy water. NEVER USE AN OPEN FLAME FOR LEAK TESTING.
Thermopile
Thermocouple
Figure 3. Pilot ame.
2. Start the pilot by pressing the gas control knob and turning it to PILOT.
While holding the gas control knob in, press the piezo ignitor several
times until the pilot light starts. Hold the gas control knob in for thirty
(30) seconds. Check that the pilot has fully engulfed the thermocouple
assembly (see Figure 3).
3. Start the main burner by turning the gas control knob to ON and then turn
the rocker switch to ON. Check that all burner ports have ame.
4. Leak test all gas joints again.
ventuRi aDjustment:
The venturi adjustment lever is centered above the control panel.
The venturi allows the amount of air coming into the replace to be adjusted in order to accommodate
different climates and venting arrangements. Start the pilot and then the burner. Make sure the pilot
ame is burning normally and none of the burner ports are plugged. Let the replace burn for roughly
fteen (15) minutes and then examine the ames.
The ideal ame will be blue at the base and light orange
above (see Figure 49). The ames should be of medium
height. If the ames look like this, no venturi adjustment
is needed. If the ames are fairly short and mostly
blue, the replace is getting too much air. Therefore,
the air shutter should be closed (push in) slightly until
the correct ames are achieved. Flames that are very
orange, with tall dark stringy tips are not getting enough
air. Open (pull out) the venturi until the ames clean up.
If the venturi is opened, then closed all the way, and the
correct ames cannot be attained, turn off the gas and
contact the dealer.
Figure 4. Venturi Adjustment Lever
7
Room
Duct
Air Diverter
Figure 5. Air Diverter