Horizontal Venting - ICP 8MPT Installation Insrtuctions

Ventingand CombustionAir Check
NOTE: When an existing Category ! furnace is removed or re-
placed, the original venting system may no longer be sized to
properly vent the attached appliances, and to make sure there is
adequate combustion air for all appliances, MAKE THE FOL-
LOWING CHECK.
CARBON MONOXIDE POISONING HAZARD
Failure to follow the steps outlined below for each
appliance connected to the venting system being placed
into operation, could result in carbon monoxide poisoning
or death:
The following steps shall be followed for each appliance
connected to the venting system being placed into
operation, while all other appliances connected to the
venting system are not in operation:
1. Seal any unused openings in the venting system.
2. Inspect the venting system for proper size and horizontal
pitch, as required in the National Fuel Gas Code, NFPA
54/ANSI Z223. 1-2006 or CSA B149. 1, Natural Gas and Pro-
pane Installation Code and these instructions. Determine
that there is no blockage or restriction, leakage, corrosion
and other deficiencies which could cause an unsafe condi-
tion.
3. As far as practical, close all building doors and windows and
all doors between the space in which the appliance(s) con-
nected to the venting system are located and other spaces of
the building.
4. Close fireplace dampers.
5. Turn on clothes dryers and any appliance not connected to
the venting system. Turn on any exhaust fans, such as range
hoods and bathroom exhausts, so they are operating at max-
imum speed. Do not operate a summer exhaust fan.
6. Follow the lighting instructions. Place the appliance being in-
spected 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 op-
eration. Use the flame of a match or candle. (Figure 9)
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. 1-2006 and/or CSA B149.1, Natural Gas and Propane
Installation Code.
9. After it has been determined that each appliance connected
to the venting system properly vents when tested as outlined
above, return doors, windows, exhaust fans,
fireplace dampers and any other gas-fired burning
appliance to their previous conditions of use.
6. Horizontal Venting
CategoryI FurnacesWith ExternalPower
Venters
In order to maintain a Category ! classification of fan-assisted fur-
naces when vented horizontally with sidewall termination, a power
venter is REQUIRED to maintain a negative pressure in the vent-
ing system.
In the U.S.: Per the NFPA 54/ANSI Z223.1-2006, a listed power
venter may be used, when approved by the authority having juris-
diction.
In Canada: Only power venters approved by the power ventor
manufacturer and where allowed by the authority having jurisdic-
tion may be used
Please consult the Fields Controls Co. or Tjernlund Products, Inc.
for power venters certified for use with this furnace.
VentCheck
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Vent Pipe --_ I A/ Draft Hood
Typical Gas
Water Heate_ I I V_('-" Match
i !
NOTE: If flame pulls towards draft ood, this indicates
sufficient infiltration air.
Ventingto ExistingMasonryChimney
NOTE: The tables and notes referred to below are found in the
most recent printing of the NFGC venting tables.
Use the NFGC or NSCNGPIC Tables to size the chimney or vent.
Dedicated venting of one fan assisted furnace into any ma-
sonry chimney is restricted. A chimney must first be lined with
either Type-B vent sized in accordance with NFPA 54/ANSI
Z223.1-2006 tables 13.1 or13.2 or a listed, metal lining system,
sized in accordance with the NFPA 54/ANSI Z223.1-2006 section
13.1.7 for a single appliance or 13.2.19 for multiple appliances or
CSA B149.1-05 Annex C; or venting into a masonry chimney is
permitted as outlined with use of an optional listed masonry chim-
ney kit. (See Section 7. Masonry Chimney Venting of these in-
structions)
Listed, corrugated metallic chimney liner systems in masonry
chimneys shall be sized by using N FPA 54/ANSI Z223.1-2006 or
CSA B149.1-05 tables for dedicated and common venting with
the maximum capacity reduced by 20% (0.80 X maximum capac-
ity) and the minimum capacity as shown in the applicable table.
Corrugated metal vent systems installed with bends or offsets re-
quire additional reduction of 5% of the vent capacity for each bend
up to 45 ° and 10% of the vent capacity for each bend from 45 ° up
to 90 ° .
NOTE: Two(2) 45 ° elbows are equivalent to one (1) 90 ° elbow.
CombinedVenting into a MasonryChimney
Venting into a masonry or concrete chimney is only per-
mitted as outlined in the NFGC or NSCNGPIC venting tables.
Follow all safe venting requirements.
NOTE: See Masonry Chimney Venting section.
Vent Termination
Venting Through a Non-Combustible and
Combustible Wall
Consult External Power Venter manufacturer instructions.
Select the power venter to match the Btuh input of the furnace be-
ing vented. Follow all of the manufacturer's installation require-
ments included with the power venter for:
• venting installation,
• vent terminal location,
• preventing blockage by snow,
• protecting building materials from degradation by flue gases,
• see Figure 10 for required vent termination.
NOTE: It is the responsibility of the installer to properly terminate
the vent and provide adequate shielding. This is essential in order
to avoid water/ice damage to building, shrubs and walkways.
13
Specifications are subject to change without notice
441 01 202301