18-CH34D1-8B-EN 3
Installer’s Guide
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NOTE: Kit supplied stainless steel screw will be used to
secure the rain cap to the pipe.
NOTE: Two or more installations require a minimum
separation distance of 12 inches between vent kits.
NOTE: Kit supplied stainless steel screw will be used to
secure the rain cap to the pipe.
DRILL A PILOT HOLE IN THE VENT PIPE FOR THE
SCREW SIZE BEING USED. FAILURE TO DRILL
ADEQUATE HOLES MAY CAUSE CRACKING OF THE
PVC COMPONENTS, ALLOWING FLUE GASES TO BE
RECIRCULATED. FAILURE TO FOLLOW THIS WARNING
COULD RESULT IN PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
DO NOT OPERATE THE FURNACE WITHOUT THE RAIN
CAP IN PLACE AS RECIRCULATION OF COMBUSTION
PRODUCTS MAY OCCUR. WATER MAY ALSO COLLECT
INSIDE THE LARGER COMBUSTION AIR PIPE AND
FLOW TO THE BURNER ENCLOSURE. FAILURE TO
FOLLOW THIS WARNING COULD RESULT IN PRODUCT
DAMAGE OR IMPROPER OPERATION, PERSONAL
INJURY OR DEATH
INSTALLATION -SIDE WALL VENT (SEE FIGURE 5)
NOTE: Consider the following when determining the vent
kit location:
A. Vent kit positioned where the vent vapors will not
damage planting/ shrubs or air conditioning equipment or
building structure.
B. Vent kit positioned so it will not be aected by wind
eddy that may allow recirculation of combustion
products, or airborne leaves, or light snow.
C. Vent kit positioned where it will not get damaged or be
subjected to foreign objects, such as stones, balls, etc.
D. Vent kit positioned where the vent vapors will not be
objectionable.
REMOVE RIBS
FROM CAP
COMBUSTION
AIR
ROOF BOOT
(FIELD SUPPLIED)
COMBUSTION
AIR
VENT
ELBOW
(FIELD SUPPLIED)
MAINTAIN 12 IN.
MINIMUM CLEARANCE
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL. MAXIMUM OF
24 IN. ABOVE ROOF
SUPPORT
(FIELD SUPPLIED)
VENT
CONCENTRIC VENT
NOTE: Do not allow insulation or other materials to
accumulate inside pipe assembly when installing
through hole.
DO NOT USE FIELD SUPPLIED COUPLINGS TO
EXTEND MAIN BODY PIPES (4" AND 2-1/2" PIPES).
AIRFLOW RESTRICTION WILL OCCUR AND THE
FURNACE PRESSURE SWITCH MAY CAUSE
INTERMITTENT OPERATION.
CAUTION
DRILL A PILOT HOLE IN THE VENT PIPE FOR THE
SCREW SIZE BEING USED. FAILURE TO DRILL
ADEQUATE HOLES MAY CAUSE CRACKING OF THE
PVC COMPONENTS, ALLOWING FLUE GASES TO BE
RECIRCULATED. FAILURE TO FOLLOW THIS WARNING
COULD RESULT IN PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
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