CHAPTER III
HEATER OPERATING
INSTRUCTIONS
NOTE
Gasket binder material used in this heater assembly will temporarily emit an odor and/or vapor. This condi- tion 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 |
WARNING: When used without fresh air, heater may
give off CARBON MONOXIDE, an odorless poison- ous gas. OPEN WINDOW AN INCH OR TWO FOR FRESH AIR WHEN USING HEATER.
WARNING: This heater is equipped with a PILOT
LIGHT SAFETY SYSTEM. DO NOT TAMPER WITH PILOT LIGHT SAFETY SYSTEM.
WARNING: If heater shuts off, do not relight until you
provide fresh air. Open door for 5 minutes. If heater keeps shutting off, have it serviced. Keep burner and control clean.
WARNING: CARBON MONOXIDE POISONING MAY LEAD TO DEATH. Early signs of carbon monoxide poisoning resemble the flu with headache, dizziness and/or nausea. If you have these signs, heater may not be working properly. Get fresh air at once! Have heater serviced.
WARNING: DO NOT USE MATCH OR OTHER FLAME FOR LEAK TESTING.
WARNING: During heater startup ensure that building is well ventilated.
A.Open the gas supply valve or valves.
B.Set the thermostat to the OFF position. See Figure 8.
FIGURE 8. THERMOSTAT CONTROLS
CAUTION: If the |
|
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. | not in the OFF position, partially depress the knob |
CAUTION: This heater is for indoor installation only! | and rotate to the OFF position. See Figure 9. |
| PRESSURE |
MANUAL GAS | REGULATOR |
CONTROL KNOB | ADJUSTMENT |
STANDARD
PRESSURE
REGULATOR
WRENCH |
| PILOT GAS OUTLET |
BOSS |
| (PRESSURE TAPPING |
|
| DIRECTLY BENEATH) |
| GAS |
|
| INLET |
|
| PILOTSTAT | PILOT FLOW ADJUSTING SCREW |
| (BENEATH COVER SCREW) | |
| POWER UNIT | |
|
|
Figure 9. Gas Valve Components
Model # MH25NG/LP | HS25NG/LP | 10 Installation instructions and Owner’s Manual |
