Operation
Lighting Instructions:
Starting the Heater (Ignition)
1. Connect the heater to a three prong (grounded)
power source. You must use a three prong
(grounded) extension cord that is at least 6 feet
long and is a minimum of 14 AWG rating.
2. Connect heater to the proper Natural Gas
(NG) supply.
3. Open gas valve slowly.
4. Press power switch to "ON" position.
5. Turn thermostat control knob to desired
temperature setting.
IRIII
TIP: If the heater does not ignite, the
U
thermostat may be set too low. Turn
the control knob to a higher setting until the
heater ignites. If the heater does not ignite;
move switch to "Off" position, check steps 1-3
above and then move switch to "On" position.
I
A CAUTION
I This heater is equipped with a
'---------' thermostat, once it is plugged
in, it can start at anytime in accordance with the
thermostat setting.
Lower Temperature
Higher Temperature
Figure 4
Shutdown Instructions
To Shut Off the Heater:
1. Shut off gas supply by closing the
valve tightly.
2. After a few seconds, the heater will burn off
the remaining gas in the supply line.
3. Press power switch to "OFF" position.
4. Disconnect the power cord.
Test Firing the Heater
Test fire your construction heater following the
lighting instructions applicable to the gas control
system employed.
Leak test all gas connections with 50/50 soap
and water solution prior to start-up. Soap bubbles
indicate a gas leak. DO NOT use a match or
flame to test for gas leaks.
NOTE: Heater surface temperature must be
cold before initiating service, cleaning or
storage.
GAU-NFA-HH-150K
Larson Electronics, LLC
Phone: (800) 369-6671
Fax: (903) 498-3364
www.larsonelectronics.com
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