W415-2845 / B / 11.10.20
6
IOM
IOM
2.1 SAFETY RULES
H6.7A
1. Use this furnace only with type of gas approved for this furnace. Refer to the furnace rating plate.
2. Install this furnace only in dry indoor locations (protected from weather).
3. Provide adequate combustion and ventilation air to the furnace space as specifi ed in Section 7 of this
manual, “Ventilation and Combustion Piping.”
4. Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only,
as specifi ed in Section 7 of this manual, “Venting and Combustion Piping.”
5. Never test for gas leaks with an open fl ame. Use a commercially available soap solution made specifi cally
for the detection of leaks to check all connections as specifi ed in Section 12 of this manual, “Gas Supply
and Piping.”
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, listed on the furnace rating plate, and as
specifi ed in Sections 3, 6, and 18 of this manual, “Furnace Sizing,” “Ductwork,” and “Airfl ow.”
7. 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. (Furnace for heating the home located in the attached
garage, for example).
8. A gas-fi red furnace for installation in a residential garage must be installed so that the burners and ignitor
are no less than 18” (457 mm) above the fl oor. The furnace must be located, or protected to avoid physical
damage by vehicles. (See safety warning).
9. Wolf Steel furnaces may be used as a construction heater provided that the furnace installation and
operation of the appliance complies with the items listed below:
a) The vent system must be permanently installed per manufacturer’s instructions. One hundred percent
(100%) outdoor air must be provided for combustion air requirements during construction. This is to
minimize the corrosive effects of adhesives, sealers and other construction materials. It also prevents
the entrainment of drywall dust into combustion air, which can cause fouling and plugging of furnace
components.
b) Furnace must be operating under thermostatic control. The use of fi xed jumpers that will provide
continuous heating is not allowed.
c) Air fi lters must be installed in the system and replaced or maintained daily during construction.
d) The return air duct must be provided and sealed to the furnace.
e) Return air temperature range between 55°F (13°C) and 80°F (27°C) must be maintained with no
evening setback or shutdown.
f) The input rate and temperature rise must be set per the furnace rating plate.
g) The furnace, ductwork and fi lters are cleaned as necessary to remove drywall dust and
construction debris from all HVAC system components and verify furnace operating conditions including
ignition, input rate, temperature rise, and venting, according to the manufacturer’s instructions after
construction is completed.
h) Furnace doors must be in place on the furnace while the furnace is operating in any mode. Damage or
repairs due to failure to comply with these requirements are not covered under the warranty.
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