Installation manual
11
Figure 13 -Equipment Shutoff Valve
CHECKING GAS
CONNECTIONS
Continued
Pressure Testing Heater Gas
Connections
1. Open equipment shutoff valve
(see Figure 13).
2. Open propane/LP supply tank
valve.
3. Make sure control knob of
heater is in the OFF position.
4. 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.
5. Correct all leaks at once.
6. Light heater (see Operating
Heater, pages 11 and 12). Check
the rest of the
internal joints for leaks.
7. Turn off heater (see page 12 ).
FOR YOUR SAFETY
READ BEFORE LIGHTING
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
lDo not try to light any appliance.
lDo not touch any electric switch;
do not use any phone in your
building.
lImmediately call your gas
supplier from a neighbor’s
phone. Follow the gas supplier’s
instructions.
lIf you cannot reach your gas
supplier, call the fire
department.
C. Use only your hand to push on
button. Never use tools. If the
button does not operate, 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.
Immediately call a qualified
service technician to inspect
the appliance and to replace
any part of the control system
and any gas control which has
been under water.
Figure 14 -Checking Gas
Connections
OPERATING
INSTRUCTION
WARNING: If you do not
follow these instructions exactly, a
fire or explosion may result in
causing property damage, personal
injury or loss of life.
For ML170EHPC, ML 250EHPC
models with manual override control
system heaters, make sure the
Control Knob is in ELECTRIC
position.(See Figure 15).
OPERATING YOUR HEATER
A. This appliance is equipped with
an ignition device which auto
matically lights the pilot. Do not
try to light the pilot by hand.
1. STOP! Read the safety information
above before lighting.
2.Disconnect or turn off all electric
power to heater.
3. This appliance is equipped with
an ignition device which automati-
cally lights the pilot. Do not try to light
the pilot by hand.
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 infor-
mation above. If you don’t smell
gas, go to next step.
5.Plug into a properly grounded three-
prong receptacle, set ON/OFF
switch on, you will hear a high pitch
sound that indicates the burner is
ready to be operated.
6.Make sure Control Knob is in ELEC-
TRIC position.
7. Press IGN/OFF button an electric
spark will ignite the pilot.
8.Press BURNER button for desired
burner operation.
AUTO: Burner will automatically turn
on or off to desired temperature
setting, press or for desired
temperature setting.
MAN: Burner operates continuously.
OFF:The main burner will shut off.
9.If the appliance will not operate,
follow the instructions “To Turn Off
Gas To Appliance” and call your
service technician or gas supplier.
Note: The thermostat sensing bulb
measures the temperature of air near
the heater cabinet. This may not
always agree with room temperature
(depending on housing construction,
installation location, room size, air
temperatures, etc.) Frequent use of
your heater will let you determine
your own comfort levels.
Clock setting: Press CLOCK button
to select item (hour, minute). The se-
lected item will flash. Press or
to change to correct time (hour,
minute); Press CLOCK button again,
to set clock.
SETTING CLOCK