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g.
Chlorinated waxes and cleaners
h.
Chlorine based swimming pool chemicals
i.
Water softening chemicals
j.
De-icing salts or chemicals
k.
Carbon tetrachloride
l.
Halogen type refrigerants
m. Cleaning solvents (such as perchloroethylene)
n.
Printing inks, paint removers, varnishes, etc.
o.
Hydrochloric acids
p.
Cements and glues
q.
Antistatic fabric softeners for clothes dryers
r.
Masonry acid washing chemicals
VENTING
.
CAUTION
It is the responsibility of the installer to verify
proper vent system operation.
CATEGORY I VERTICAL VENTING
Category I venting consists of vertically venting one or more
appliances in B-vent or masonry chimney (as allowed), using
single wall metal pipe or B-vent connectors. Type B-vent sys-
tem extends in a general vertical direction and does not con-
tain offsets exceeding 45 degrees, except that a vent system
having not more than one 60-degree offset is permitted.
NOTE: This appliance may be common vented with another
gas appliance as allowed by the following codes and stan-
dards.
The furnace rating plate lists the maximum vent gas tempera-
ture. This temperature must be used to select appropriate
venting materials and clearances. A typical example is shown
below.
CATEGORY 1 - 450 F. MAX. VENT TEMP.
All installations must be vented in accordance with the
National Fuel Gas Code, NFPA 54/ANSI Z223.1 - latest edi-
tion. For reference, the National Fuel Gas Code Handbook,
available from NFPA (item JP-54HB96) is recommended.
The appliance must also be vented in compliance with all
local utility and code requirements. In Canada, the furnace
must be vented in accordance with the National Standard of
Canada, CAN/CGA-B149.1 and .2 - latest editions.
8
CAUTION
A furnace shall not be connected to a chimney flue
serving a separate appliance designed to burn
solid fuel.
VENTING INTO AN EXISTING CHIMNEY
Whenever possible, B-1 metal pipe should be used for vent-
ing. Where use of an existing chimney is unavoidable, the fol-
lowing rules must be followed:
1.
The masonry chimney must be built and installed in
accordance with nationally recognized building codes or
standards and must be lined with approved fire clay tile
flue liners or other approved liner material that will resist
corrosion, softening, or cracking from flue gases. THIS
FURNACE IS NOT TO BE VENTED INTO AN UNLINED
MASONRY CHIMNEY.
2.
This furnace must be vented into a fire clay tile lined
masonry chimney only if a source of of dilution air is pro-
vided, such as by common venting with a draft hood
equipped water heater. If no source of dilution air is
available, Type B vent must be used, or masonry chim-
ney vent kit 1CK0603 or 1CK0604 must be used. See
form 035-17452-000 to properly apply these masonry
chimney kits.
3.
The chimney must extend at least three feet above the
highest point where it passes through a roof of a building
and at least two feet higher than any portion of the build-
ing with a horizontal distance of ten feet.
4.
The chimney must extend at least five feet above the
highest equipment draft hood or flue collar.
HORIZONTAL SIDEWALL VENTING
For applications where vertical venting is not possible, the
only approved method of horizontal venting is through the
use of an auxiliary power venter. Approved power venters are
Fields Controls Model SWG-4Y or Tjernlund Model GPAK-
JT. Follow all application and installation details provided by
the manufacturer of the power venter.
035-17405-000 Rev. B (0801)
Unitary Products Group
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