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SAFETY INFORMATION
Safety markings are used frequently throughout
this manual to designate a degree or level
of seriousness and should not be ignored.
WARNING indicates a potentially hazardous
situation that if not avoided, could result in
personal injury or death. CAUTION indicates
a potentially hazardous situation that if not
avoided, may result in minor or moderate injury
or property damage.
WARNING:
The safety information listed
below must be followed during the
installation, service, and operation
of this furnace. Failure to follow
safety recommendations could
result in possible damage to the
equipment, serious per
sonal injury
or death
.
• Use only with type of gas approved for this
furnace. Refer to the furnace rating plate.
• Install this furnace in accordance to the
minimum clearances to combustible materials
listed in Table 1 (page 5).
• Provide adequate combustion air to the furnace
space as specifi ed on page 23.
• Combustion products must be discharged
outdoors. Connect this furnace to an approved
vent system, as specifi ed on pages 13 - 14.
• Never test for gas leaks with an open fl ame.
Use a commercially available soap solution to
check all connections (page 18).
• This furnace is designed to operate with a
maximum external pressure rise of 0.5 inches
of water column. Consult Table 8 (page 38),
and the rating plate for the proper circulating
air fl ow and temperature rise.
NOTE: It is important that the duct system be
designed to handle the desired fl ow rate and
external pressure rise. An improperly designed
duct system can result in nuisance shutdowns,
and comfort or noise issues.
• This furnace may not be used for temporary
heating of buildings or structures under
construction.
• When 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 14.
REQUIREMENTS AND CODES
This furnace must be installed in accordance with
these instructions, all applicable local building
codes and the current revision of the National
Fuel Gas Code (NFPA54/ANSI Z223.1) or the
Natural Gas and Propane Installation Code,
CAN/CGA B149.1.
CE générateur d’air chaud doit être installé
conformément aux instructions du fabricant
et aux codes locaux. En l’absence de code
local, respecter la norme ANSI Z223.,1,
institulé National Fuel Gas Code ou les codes
d’installation CAN/GCA-B149.
The Commonwealth of Massachusetts requires
compliance with regulation 248 CMR 4.00 and
5.00 for installation of through – the – wall vented
gas appliances as follows:
1. For direct-vent appliances, mechanical-
vent heating appliances or domestic hot
water equipment, where the bottom of the
vent terminal and the air intake is installed
below four feet above grade the following
requirements must be satisfi ed:
WARNING:
Do not use this appliance if any
part has been submerged under
water. Immediately call a qualifi ed
service technician to inspect the
appliance and to replace any part
of the control system and any gas
control that has been submerged
underwater.
Notice to Installer
Installer is advised to carefully follow all
instructions and warnings in this manual to insure
maximum performance, safety, and operating
efficiency of these appliances. Improper
installation may create hazardous conditions,
and will void the appliance warranty.
PROPOSITION 65 WARNING:
This product contains chemicals
known to the state of California
to cause cancer, birth defects or
other reproductive harm.
WARNING: