Operating Your Heater - Mr. Heater MHVFGH30LPT Operating Instructions And Owner's Manual

piping system by closing its equipment shutoff valve
during any pressure testing of the gas supply piping
system at test pressures equal to or less than ½ psi (3.5
kPa). (see figure 13).
2. Pressurize supply piping system by either using
compressed air or opening propane/LP supply valve.
3. Check all joints from the propane/LP supply valve to
equipment shutoff valve (see figure 14. Apply mixture
of liquid soap and water to gas joints. Bubbles forming
show a leak.
4. Correct all leaks at once.
5. Depressurize and relieve pressure from supply piping
system.
Pressure Testing Heater Gas Connections:
1. Make sure that the heater supply piping system is
connected and has been leak tested as described above.
2. Make sure control knob of heater is in OFF position.
3. Open equipment shutoff valve (see figure 13).
Equipment
Shutoff Valve
Figure 13
4. Open opening propane/LP supply valve.
5. Check all joints from equipment shutoff valve to control
valve (see figure 13). Apply mixture of liquid soap and
water to gas joints. Bubbles forming show a leak.
6. Correct all leaks at once.
7. Light heater (see Operating Your Heater, page 10).
8. Turn off heater (see To Turn OFF Gas to Appliance, page
1 1).
9. Replace lower front panel.
To regulated propane
source
Figure 14
ELECTRICAL WIRING DIAGRAM:
Unvented Liquid Propane Fired Room Heater
Open
Closed
Control Valve
Equipment
Shutoff Valve
MOTOR
W
W
If any original wiring as supplied with the heater must be
replaced, it must be replaced with type AWG 105
or its equivalent except as indicated. WARNING: Electrical
Grounding Instructions: This heater is equipped with a
three-prong (grounding) plug for your protection against
shock hazard and should be plugged into a properly
grounded three prong receptacle.

OPERATING YOUR HEATER

FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING: If you do not follow these instructions
exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.
A. This appliance has a pilot that must be lighted by hand.
When lighting the pilot, follow these instructions exactly.
B. BEFORE LIGHTING smell all around the appliance area
for gas. Be sure to smell next to the floor because some
gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call you gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you can not reach your gas supplier, call the fire
department.
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If knob will not push in or turn by hand,
don't try to repair it; call a qualified service technician or gas
supplier. Force or attempted repair may result in a fire or
explosion.
D. Do not use this appliance if any part has been
underwater. Immediately call a qualified service
technician to inspect the appliance and to replace any
part of the control system which has been under water.
LIGHTING INSTRUCTIONS
10
Installation Instructions and Owner's Manual
BK
SWITCH,
TEMP
BK OPERATION
SWITCH,
DOUBLE THROW
BK
BK
G
CAUTION:
Label all wires prior to
disconnection when
servicing controls.
Wiring errors can
cause improper and
dangerous operation.
LINE
Verify proper operation
CORD
after servicing.
Figure 15
o
C wire