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12
OPERATING YOUR HEATER
THERMOSTAT MODEL
ML100TPA
FOR YOUR SAFETY
READ BEFORE LIGHTING
A. This appliance has a pilot
which 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.
Figure 21 - Control Knob In The
OFF Position
Figure 22 - Pilot
Figure 23 - Burner Partterns
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electric
switch, do not use any phone
in your building.
Immediately call your gas
supplier from a neighbor’s
phone. Follow the gas
supplier’s instructions.
If you cannot 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 the 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 under water. Immedi-
ately call a qualified service techni-
cian to inspect the appliance and to
replace any part of the control sys-
tem and any gas control which has
been under water.
WARNING: If you do not follow
these instructions exactly, a fire or
explosion may result causing
property damage, personal injury or
loss of life.
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety
information on the side of heater.
2. Make sure equipment shutoff
valve is fully open.
3. Turn control knob clockwise
to the OFF position.
4. Wait five(5) minutes to clear
out any gas. Then smell for gas,
including near the floor. If you
smell gas, STOP! Follow
“B” in the
safety information on the side of
heater. If you don’t smell gas,
go to the next step.
5. Turn control knob counterclock-
wise
to the PILOT position.
Press in control knob for five(5)
seconds. (see Figure 21).
Note: You may be running this
heater for the first time after hook-
ing up to gas supply. If so, the
control knob may need to be
pressed in for 30 seconds. This
will allow air to bleed from the gas
system.
If control knob does not pop up
when released, contact a qualified
service person or gas supplier for
repairs.
6. With control knob pressed in,
push down and release ignitor
button. This will light pilot. The
pilot is attached to the front of
burner. If needed, keep pressing
ignitor button until pilot lights.
Note: If pilot does not stay lit, refer
to Troubleshooting, pages 14
through 16. Also contact a quali-
fied service person or gas sup-
plier for repairs. Until repairs are
made, light pilot with
match.To light pilot with match,
see Manual Lighting Procedure.
7. Keep control knob pressed in
for 30 seconds after lighting pilot.
After 30 seconds, release control
knob.
If control knob does not
pop up when released, contact a
qualified service person or gas
supplier for repairs.
Note: If pilot goes out,repeat steps 3
through 7.This heater has a safety
interlock system. Wait one(1)
minute before lighting pilot again.
8. Turn control knob counter clock-
wise
to desired seating
level. The main burner should
light. Set control knob to any
heat level between HI and
LO. (see Figure 23)
CAUTION: Do not try to adjust
heating levels by using the
equipment shutoff valve.
THERMOSTAT CONTROL OPERATION
The thermostatic control used on this
model differs from standard thermostats.
Standard thermostats simply turn on
and off the burner. The thermostat used
on this heater senses the room
temperature. At times the room may ex
-
ceed the set temperature. If so,the burner
will shut off. The burner will cycle back on
when room temperature drops below the
set temperature. The control knob can be
set to any comfort level between HI and
LO.
Note: The thermostat sensing bulb mea-
sures the temperature of air near the
heater cabinet.This may not always agree
with room temperature(depending on
housing construction, installation location
,
room size, open air temperatures,etc.)
Frequent use of your heater will let you
determine your own comfort levels.
TO TURN OFF
GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the OFF position.
2. Turn off all electric power to the
appliance if service is to
be performed.
Shutting Off Burner Only (pilot
stays lit )
Turn control knob clockwise
to
the PILOT position.