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Journeyman Ductable Dual Fuel Indirect-Fired Heater
Safety Lock-Out
This heater is equipped with interlocking safety devices.
In the event of a failure while the burner is in operation,
or if the burner air supply is obstructed, the burner will
"lock-out". If this happens, the reset button on the burner
controller will illuminate to RED.
TO RESET THE CONTROL BOX
Push and hold the reset button on the burner controller
for 1 to 2 seconds.
RESET
The burner will restart after a short pause once the
button is released.
Disconnecting the power to the heater will NOT reset the
safety lock-out.
Cleaning Instructions
WARNING
Fire, Burn, and Explosion Hazard
■ This heater contains electrical and
mechanical components in the gas
management, and safety systems.
■ Such components may become inoperative
or fail due to dust, dirt, wear and aging.
■ Periodic cleaning and inspection as well as
proper maintenance are essential to avoid
serious injury or property damage.
1. Before cleaning, shut off all gas supply valves and
disconnect electrical supply.
2. The heater should have dirt or dust removed
periodically:
a. Before each use give the heater a general cleaning
using compressed air or a soft brush or dry rag on its
case and internal components. At this time, dust off the
motor case to prevent the motor from over-heating.
b. At least once a year, give the heater a thorough
cleaning. At this time, remove the fan and motor
Owner's Manual • Journeyman
assembly and brush or blow off the fan blade assembly.
Additionally, make sure the burner air inlet is free of dust
accumulation.
WARNING
Fire, Burn, and Explosion Hazard
■ Do not use a pressure washer, water, or
liquid cleaning solution on any gas controls.
Use of a pressure washer, water, or liquid
cleaning solution on the control components
can cause severe personal injury or property
damage due to water and/or liquids:
■ In electrical components and wires causing
electrical shock or equipment failure.
■ On gas control valves causing corrosion
which can result in gas leaks and fire or
explosion from the leak.
Clean all components of the heater with pressurized air, a
dry brush, or a dry cloth.
Maintenance Instructions
BEFORE EACH USE:
■ Check the area surrounding the heater to ensure it is clear
and free of combustible materials, gasoline, and other
flammable vapors and liquids.
■ At the installation, ensure the flow of combustion and
ventilation air is not obstructed.
■ Have your gas supplier check all gas connections for leaks
or restrictions in gas lines.
■ Inspect the regulator vent to make sure the regulator vent
is not blocked. Debris, insects, insect nests, snow, or ice
on a regulator can block vents and cause excess pressure
at the heater.
■ Check all wiring associated terminals and electrical
components within the heater for corrosion, frayed or cut
insulation, tight connections, etc. Repair or replace as
necessary.
■ Review all heater markings (i.e. wiring diagram, warnings,
start-up, shut-down, troubleshooting, etc.) at the time of
maintenance for legibility. Make sure none are cut, torn,
or otherwise damaged. Any damaged markings must be
replaced immediately by contacting the L.B. White Co.,
LLC. Data plate, startup and shut-down instructions and
warnings are available at no cost. A nominal charge will be
applied for wiring diagrams.
■ Check air gate adjustment.
ANNUALLY
■ Clean and check the igniter and flame sensor for cracks.
■ Test the high limit heat switches to ensure proper function.
(See instructions for same in the Servicing section of this
manual)
■ Regulators can wear out and function improperly. Have
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