# 47860A005
Page 2
SAFETY
The following is a list of safety rules and precautions that
must be followed when installing this furnace.
1. Use only with the 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
section on page 3 of these
instructions.
3. Provide adequate combustion and ventilation air to the
furnace space as specified in the
Combustion and
Ventilation Air
section on page 4 of these instructions.
4. Adequate clearance must be provided around the
vent-air intake terminals as specified in the
Venting
section beginning on page 5 of these instructions.
5. Combustion products must be discharged outdoors.
Connect this furnace to an approved vent system only,
as specified in the
Venting
section beginning on page 5
of these instructions.
6. Never test for gas leaks with an open flame. Use a
commercially available soap solution made specifi-
cally for the detection of leaks to check all connec-
tions, as specified in
Gas Supply and Piping
beginning on page 18 of these instructions.
7. 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 allow-
able range, as specified in
Temperature Rise
on page
24 of these instructions. See furnace rating plate.
8. When a furnace is installed so that the 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
Circulating Air Supply
on page 18 of
these instructions.
9. A gas-fired furnace for installation in a residential
garage must be installed as specified in the
Location
section on page 3 of these instructions.
10. The furnace is not to be used for temporary heating of
buildings or structures under construction as specified
in the
Location
section on page 3 of these instructions.
In the State of Massachusetts:
This product must be installed by a licensed
Plumber or Gas Fitter. When flexible connec-
tors are used, the maximum length shall not
exceed 36". When lever-type gas shutoffs are
used, they shall be T-handle type.
WARNING
