Operating Your Heater - Mr. Heater MHVFRD20LPT Operating Instructions And Owner's Manual

Nvented lp-gas fired room heater
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Pressure Testing Heater Gas Connections:
1. The appliance and its appliance main gas valve
must be disconnected from the gas supply
piping system during any pressure testing of
that system at test pressures in excess of
psi (3.5 kPa). The appliance must be isolated
from the gas supply 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
2. Make sure control knob of heater is in OFF
position.
3. Open equipment shutoff valve (see figure 13).
4. Open main gas valve on or near gas meter.
5. Check all joints from equipment shutoff valve
to control valve (see figure 14). 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, pages
10 and 11) Check the rest of the internal joints
for leaks.
8. Turn off heater (see To Turn OFF Gas to
Appliance, page 11
9. Replace lower front panel.
Equipment
Shutoff Valve
Figure 13
To regulated propane
source
Figure 14
½
psi (3.5 kPa).
Open
Closed
Control Valve
Equipment
Shutoff Valve
Unvented LP-Gas Vent Free Room Heaters
½
ELECTRICAL WIRING DIAGRAM:
If any original wiring as supplied with the heater must
be replaced, it must be replaced with type AWG 105
wire 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 which must be lighted by
pushing the ignitor button. 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 your gas supplier from a neigh-
bor'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 quali-
fied service technician or gas supplier. Force or
attempted repair may result in a fire or explosion.
10
Installation Instructions and Owner's Manual
Caution: Label all wires prior
Figure 15
to disconnection
when servicing
controls. Wiring
errors can
cause improper
and dangerous
operation. Verify
proper operation
after servicing.
C
o

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