INSTALLATION INSTRUCTIONS
Gas Furnace: (F/G)MAC
32
440 01 4201 01
Specifications subject to change without notice.
Bien suivre les indications du manufacturier lors de l’utilisation
de l’apprêt et du ciment et ne pas utiliser ceux-ci si la date
d’expiration est atteinte.
L’opération sécuritaire, tel que définit par ULC S636, du
système de ventilation est basé sur les instructions
d’installation suivantes, ainsi que l’usage approprié de l’apprêt
et ciment. Tout arrët feu et solin de toit utilisés avec ce
système doivent être des matériaux listés UL. L’acceptation du
standard Canadien CAN/CSA B149 est directement relié à
l’installation conforme aux instructions ci- haut mentionnées. Le
standard Canadien recommande l’ inspection par un personel
qualifié et ce, une fois par année.
Les autoritées ayant juridiction (inspecteurs de gas,
inspecteurs en bâtiments, département des incendies, etc)
devraient être consultées avant l’installation afin de déterminer
si un permis est requis.
!
WARNING
CARBON MONOXIDE POISONING HAZARD
Failure to follow the steps outlined below for each ap-
pliance connected to the venting system being placed
into operation could result in carbon monoxide poison-
ing or death.
Failure to follow the steps outlined below for each ap-
pliance connected to the venting system being placed
into operation could result in carbon monoxide poison-
ing or death.
1. Seal any unused openings in venting system.
2. Inspect the venting system for proper size and hori-
zontal pitch, as required in the National Fuel Gas
Code, NFPA 54/ANSI Z223.1
−
2009 and these in-
structions. Determine that there is no blockage or re-
striction, leakage, corrosion and other deficiencies,
which could cause an unsafe condition.
3. As far as practical, close all building doors and win-
dows and all doors between the space in which the ap-
pliance(s) connected to the venting system are loc-
ated and other spaces of the building.
4. Close fireplace dampers.
5. Turn on clothes dryers and any appliance not connec-
ted to the venting system. Turn on any exhaust fans,
such as range hoods and bathroom exhausts, so they
are operating at maximum speed. Do not operate a
summer exhaust fan.
6. Follow the lighting instructions. Place the appliance
being inspected into operation. Adjust the thermostat
so appliance is operating continuously.
7. Test for spillage from draft hood equipped appliances
at the draft hood relief opening after 5 minutes of main
burner operation. Use the flame of a match or candle.
8. If improper venting is observed during any of the
above tests, the venting system must be corrected in
accordance with the National Fuel Gas Code, NFPA
54/ANSI Z223.1
−
2009.
9. After it has been determined that each appliance con-
nected to the venting system properly vents when
tested as outlined above, return doors, windows, ex-
haust fans, fireplace dampers and any other gas
−
fired
burning appliance to their previous conditions of use.
General
If this furnace replaces a furnace that was connected to a vent
system or chimney, the vent or vent connectors of other
remaining appliances may need to be re
−
sized. Vent systems
or vent connectors of other appliances must be sized to the
minimum size as determined using appropriate table found in
the current edition of National Fuel Gas Code NFPA 54/ANSI
Z
−
223.1. In Canada, refer to CAN/CSA
−
B149.1
An abandoned masonry chimney may be used as a raceway
for properly insulated and supported combustion
−
air (when
applicable) and vent pipes. Each furnace must have its own set
of combustion
−
air and vent pipes and be terminated
individually, as shown in
Figure 52
for Direct Vent (2
−
pipe)
system or
Figure 53
for ventilated combustion air option.
A furnace shall not be connected to a chimney flue serving a
separate appliance designed to burn solid fuel.
Other gas appliances with their own venting system may also
use the abandoned chimney as a raceway providing it is
permitted by local code, the current edition of the National Fuel
Gas Code and the vent or liner manufacturer’s installation
instructions. Care must be taken to prevent the exhaust gases
from one appliance from contaminating the combustion air of
other gas appliances.
Do not take combustion air from inside the chimney when using
ventilated combustion air or single pipe vent option.
These furnaces can be vented either as direct vent furnace, or
as ventilated combustion air system. Each type of venting
system is described below. Common venting between
furnaces or other appliances prohibited.
Materials
U.S.A.
Combustion air and vent pipe, fittings, primers, and solvents
must conform to American National Standards Institute (ANSI)
standards and American Society for Testing and Materials
(ASTM) standards. See
Table 11
for approved materials for use
in the U.S.A.
Canada
Special Venting Requirements for Installations in Canada
Installation in Canada must conform to the requirements of
CAN/CSA B149 code. Vent systems
must
be composed of
pipe, fittings, cements, and primers listed to ULC S636.
Venting Systems
A factory accessory concentric vent termination kit is available
for direct vent terminations. Concentric vent termination kits are
available for 2
−
in. and 3
−
in. pipe. See
Table 10
for available
options.
Table 10
Vent Termination Kit for Direct
Vent (2
−
pipe) Systems
Direct Vent (2
−
pipe)
Termination Kit
Termination
System
Diam. Of
Combustion Air
and Vent Pipes
in.(mm)
2
−
in (51 mm) Concentric
Vent Kit
Single Penetration
of Wall or Roof
1, 1
−
1/2, 2, or 2
−
1/2
(25, 38, 51, 64 mm)
3
−
in (76 mm) Concentric
Vent Kit
Single Penetration
of Wall or Roof
2
−
1/2, 3 or 4
(64, 76, 102 mm)
Direct Vent / 2
−
Pipe System
In a direct vent (2
−
pipe) system, all air for combustion is taken
directly from outdoor atmosphere, and all flue products are
discharged to outdoor atmosphere. Combustion-air and vent
pipes must terminate together in the same atmospheric
pressure zone, either through the roof or a sidewall (roof
termination preferred). See
Figure 59
for required clearances.
Ventilated Combustion Air Systems
In a ventilated combustion air option, the vent terminates and
discharges the flue products directly to the outdoors similar to a
direct vent system. See
Figure 60
for required clearances.
All air for combustion is piped directly to the furnace from a
space that is well ventilated with outdoor air (such as an attic or
