OPERATING YOUR HEATER
Manual Control Models:
ML060HPA,ML100HPA
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information on the side of heater.
2.Check that gas supply to heater is on.
3.Push in gas control knob slightly and turn clockwise 
to the OFF position. ( see Figures 16 & 17)
4.Wait five (5) minutes to clear out any air. Then smell for gas, including near the floor. If you smell gas, STOP!
Follow “B” in the safety information on the side of the heater. If you do not smell gas, go to the next step.
5.Push in gas control knob
s l i g h t l y | a n d | t u r n |
counterclockwise | to | |
“PILOT/IGN” | and depress for | |
five(5) seconds |
| |
NOTE: The first time that the heater is operated after connecting the
gas supply , the control knob should be depressed for about thirty
(30)seconds. This will allow air to bleed from the gas system.
6.With control knob pressed in, push down and release the ignitor button. This will light pilot. If needed, keep pressing ignitor button until pilot lights.
7.Keep control knob depressed for ten (10) seconds after lighting pilot. If pilot goes out, repeat steps 5,6 and 7.
8.To select the desired heating level, partially press down the control knob slightly and rotate
counterclockwise 
. Release the downward pressure on the knob while continuing to turn until the knob locks at the desired setting position. Do not operate between locked positions.
TO SELECT
HEATING LEVEL
WARNING: When running heater,set control knob at ON, LOW or HIGH locked positions.(see Figure 19 & 20) N e v e r s e t c o n t r o l k n o b between locked positions. Poor combustion and higher levels of carbon monoxide may result.
CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.
Slightly press in control knob and
turn counterclockwise 
to the ON, LOW or HIGH positions(see Figure 19 & 20).
IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position.
Figure 16 - Control Knob In The OFF Position
Figure 17 - Control Knob In The OFF Position
Figure 18 - Pilot
ML060HPA
Figure 19 - Burner Patterns
ML100HPA
Figure 20 - Burner Patterns
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/IGN position.
MANUAL LIGHTING
PROCEDURE
1.Remove lower front panel (see Figure 7 page 7).
2.Follow steps through 5 under Lighting Instructions.
3.With control knob pressed in, strike match. Hold match to pilot until pilot lights.
4.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.Follow step 8 under Lighting Instuctions .
5.Replace lower front panel.
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