CHAPTER III
HEATER OPERATING
INSTRUCTIONS
NOTE
Gasket binder material used in this heater assem- bly will temporarily emit an odor and/or vapor. This condition will clear up in approximately 20 minutes and thereafter will not reoccur. Refer to Chapter 2 for ventilation.
1. OPERATING SAFETY INSTRUCTIONS | 2. HEATER STARTUP | ||
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WARNING: When used without fresh air, heater |
| WARNING: During heater startup ensure that build- | |
may give off CARBON MONOXIDE, an odorless |
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poisonous gas. OPEN WINDOW AN INCH OR |
| ing is well ventilated. | |
TWO FOR FRESH AIR WHEN USING HEATER. |
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WARNING: This heater is equipped with a PILOT | A. Open the gas supply valve or valves. | ||
LIGHT SAFETY SYSTEM. DO NOT TAMPER | B. Set the thermostat to the OFF position. | ||
WITH PILOT LIGHT SAFETY SYSTEM. | |||
WARNING: If heater shuts off, do not relight until |
| See Figure 8. | |
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you provide fresh air. Open door for 5 minutes. If |
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heater keeps shutting off, have it serviced. Keep |
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burner and control clean. |
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WARNING: CARBON MONOXIDE POISONING |
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MAY LEAD TO DEATH. Early signs of carbon mon- |
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oxide poisoning resemble the flu with headache, |
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dizziness and/or nausea. If you have these signs, |
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heater may not be working properly. Get fresh air at |
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once! Have heater serviced. |
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WARNING: DO NOT USE MATCH OR OTHER |
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FLAME FOR LEAK TESTING. |
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| FIGURE 8. THERMOSTAT CONTROLS | |
CAUTION: If the | |||
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dull when the building furnace is operating, consult | C. If the manual gas control knob on the gas valve is | ||
gas supplier on correct gas supply piping sizes. | |||
CAUTION: This heater is for indoor installation |
| not in the OFF position, partially depress the knob | |
only! |
| and rotate to the OFF position. See Figure 9. | |
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| PRESSURE | |
MANUAL GAS |
| REGULATOR | |
CONTROL |
| ADJUSTMENT | |
KNOB |
| STANDARD | |
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| PRESSURE | |
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| REGULATOR | |
WRENCH | PILOT GAS OUTLET |
BOSS | (PRESSURE TAPPING |
| DIRECTLY BENEATH) |
GAS IN- |
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LET |
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PILOTSTAT | PILOT FLOW ADJUSTING SCREW | |
(BENEATH COVER SCREW) | ||
POWER UNIT | ||
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Figure 9. Gas Valve Components | ||
Model # MH25NG/LP | HS25NG/LP | E10 | Installation instructions and Owner’s Manual |
