OPERATING YOUR HEATER
THERMOSTAT MODEL ML100TPA
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 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
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 p h o n e . F o l l o w t h e g a s 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.
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, |
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| push down and release ignitor |
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| button. This | will | light | pilot. The |
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| pilot is attached to the front of |
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| burner. If | needed, | keep | pressing | Figure 23 - Burner Partterns |
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| ignitor button until pilot lights. |
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| THERMOSTAT CONTROL OPERATION | ||||||||||||||||||
Note: If | pilot does not stay | lit, refer | ||||||||||||||||||
| to Troubleshooting, |
| pages | 14 | The thermostatic control used on this | |||||||||||||||
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| model differs from standard thermostats. | ||||||||||||||||||
| through 16. | Also | contact | a | quali- | |||||||||||||||
| Standard thermostats | simply | turn on | |||||||||||||||||
| fied service person | or | gas | sup- | ||||||||||||||||
| and off the burner. The thermostat used | |||||||||||||||||||
| plier | for | repairs. Until | repairs | are | |||||||||||||||
| o n t h i s h e a t e r s e n s e s t h e r o o m | |||||||||||||||||||
| m a d e , l i g h t |
| p i l o t |
| w i t h | |||||||||||||||
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| temperature. At times the room may ex- | |||||||||||||||||
| match.To light pilot | with match, | ||||||||||||||||||
| ceed the set temperature. If so,the burner | |||||||||||||||||||
| see Manual | Lighting | Procedure. | will shut off. The burner will cycle back on | ||||||||||||||||
7. Keep | control |
| knob |
| pressed in | when room temperature drops below the | ||||||||||||||
| for 30 seconds after lighting pilot. | set temperature. The control knob can be | ||||||||||||||||||
| After | 30 | seconds, | release control | set to any comfort level between HI and | |||||||||||||||
| knob. |
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| LO. |
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| Note: The thermostat sensing bulb mea- | |||||||
| If | control | knob does | not |
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| sures the temperature of air near the | ||||||||||||||||||
| pop up when | released, contact | a | |||||||||||||||||
| heater cabinet.This may not always agree | |||||||||||||||||||
| qualified | service | person | or | gas | |||||||||||||||
| with room temperature(depending on | |||||||||||||||||||
| supplier for | repairs. |
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| housing construction, installation location, | |||||||||||||
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Note: If pilot goes | out,repeat steps 3 | room size, open air temperatures,etc.) | ||||||||||||||||||
| through 7.This | heater has a safety | Frequent use of your heater will let | you | ||||||||||||||||
| determine your own comfort levels. |
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| interlock system. Wait one(1) |
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| minute before lighting pilot | again. |
| TO TURN OFF |
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8. Turn | control knob counter clock- |
| GAS TO APPLIANCE |
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| wise | to | desired |
| seating |
| Shutting Off Heater |
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| level. The | main | burner should |
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| 1. | Turn | control knob clockwise |
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| light. Set | control | knob | to | any |
| to the | OFF | position. |
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| heat level between | HI | and |
| 2. | Turn off all electric power to the | ||||||||||||||
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| appliance | if | service | is | to | |||||||||||||
| LO. (see Figure 23) |
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| be performed. |
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| CAUTION: Do not try to adjust | Shutting Off Burner Only (pilot |
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| heating | levels | by | using |
| the | stays lit ) |
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| equipment shutoff valve. |
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| Turn control knob clockwise |
| to | ||||||||||||
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| the | PILOT position. |
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