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SAFETY
The following is a list of safety precautions and their locations in this manual.
These safety rules and precautions must be followed when installing this furnace.
1. Use only with type of gas approved for this furnace. Refer to the furnace rating
plate.
2. Install this furnace only in a location and position as specified in The
Location/Placement Section on page 7 of these instructions.
3. Provide adequate combustion and ventilation air to the furnace space as
specified in Air for Combustion and Ventilation section on page 8 of these
instructions.
4. Combustion products must be discharged outdoors. Connect this furnace to an
approved vent system only, as specified in Venting on page 12 of these
instructions.
5. Never test for gas leaks with an open flame. Use a commercially available
soap solution made specifically for the detection of leaks to check all
connections, as specified in The Gas Connection section on page 16 of these
instructions.
6. Always install furnace to operate within the furnace's intended temperature-rise
range with a duct system which has an external static pressure within the
allowable range, as specified in Furnace Specifications on page 3 of these
instructions. See furnace rating plate.
7. When a furnace is installed so that supply ducts carry air circulated by the
furnace to areas outside the space containing the furnace, the return air shall
also be handled by duct(s) sealed to the furnace casing and terminating outside
the space containing the furnace. See page 11 for Ducting.
8. A gas-fired furnace for installation in a residential garage must be installed as
specified in The Location / Placement section on page 7 of these instructions.
9. It is not recommended that this furnace be used as a construction heater during
any phase of construction. Very low return air temperatures, harmful vapors
and operation of the unit with clogged or misplaced filters will damage the unit.
The unit may only be used for heating of buildings or structures under
construction, if the conditions listed on page 6 in the "Introduction" section of
these instructions are met.
20571201 Issue 0527 Page 2 of 28