CSA 92MSP SERIES, Installation Instructions Manual

Page: 61 / 100

DIRECT VENT (cont.)
GENERAL VENTING REQUIREMENTS AND
GUIDELINES
OPTION 4: ALTERNATE HORIZONTAL DIRECT-VENT TERMINATION
OPTION 5: VARIANT OF ALTERNATE HORIZONTAL DIRECT-VENT TERMINATION
Ve
nting
FIGURE 26
TYPICAL HORIZONTAL VENTED 2 PIPE TERMINALS
ST-A1194-18-XO
FIGURES M, L, &
DETAILS B & C.
DE T A I L A
COMBUS TI O N A I R T ERM IN A TI O N
2” PVC
COUPL IN G
VA N E
NOTE:
1) FOR EXHAUST / INTAKE PENETRATION
DIMENSIONAL RELATIONSHIP SEE
DETAIL C
NOTE:
A TRAP MUST BE IN-
STALLED IN THIS OPTION
TO PREVENT WATER FROM
ENTERING THE FURNACE
THROUGH THE COMBUS-
TION AIR PIPE. ORDER KITS
RXGY-005 FOR 2” PIPE OR
RXGY-D6 FOR 3” PIPE AND
INSTALL PER INSTRUC-
TIONS IN KIT.
U.S. MIN. 12” (31cm)
ABOVE GRADE OR
ANTICIPATED AVG.
SNOW ACCUMULATION
CANADA: TERMINATION
MUST CONFORM TO CSA
B149.1-10, SECT. 8.14
EXHAUST
INTAKE
12” (31cm)
60” Max. (152cm)
SEE DETAIL A
COUPLINGS: REQUIRED ON EXTERIOR,
OPTIONAL ON INTERIOR.
SEE DETAIL B FOR
DIMENSIONS BETWEEN
INTAKE & EXHAUST
10
NOTES:
1) SUPPORT HORIZONTAL PIPE EVERY FOUR FEET.
2) WHEN 3” PIPE IS USED REDUCE TO 2” BEFORE PENETRATING OUTSIDE WALL.
3) WHEN USING 3” VENT AND NECKING DOWN TO 2” AS REQUIRED, 18” (46cm) MAX.
2” DIA. PIPE MAY BE USED INSIDE WALL.
4) INCREASE THE 12” (31cm) MIN. ABOVE GRADE (U.S.) TO KEEP TERMINAL OPENINGS
ABOVE ANTICIPATED LEVEL OF SNOW ACCUMULATION WHERE APPLICABLE.
CANADA: REFER TO B149.1, SECT. 8.14.
5) DETAIL“A” INSTALL WIND DEFLECTOR VANE IN 2” PVC COUPLING IN VERTICLE
POSITION USING PVC SOLVENT.
6) THE COMBUSTION AIR TERMINATION MUST BE IN THE SAME PRESSURE ZONE AS
THE EXHAUST TERMINATION.
7) NO SCREENS MAY BE USED TO COVER COMBUSTION AIR OR EXHAUST.
8) NO T’S CAN BE INSTALLED AT THE TERMINATION.
9) PIPING EXTERNAL TO THE STRUCTURE MUST BE INSULATED AS REQUIRED FOR
LOCAL CLIMATE.
10) WALL PENETRATION AND VENT TERMINATION MUST BE WITH 2” PIPE.
DE T A I L B
EX H AUS T / INT AKE RELA TI O N S HI P
4” (10cm) M IN.
12”(31cm) MAX .
OP TI O N AL
INT AKE
INT AKE
EX H AUS T
3 IN (8cm) M IN.
5 IN (13cm) MAX .
NOTE: This detail ap-
plies to the termination
and NOT the penetra-
tion through the wall.
FIGURE 27
VARIANT OF ALTERNATE
HORIZONTAL DIRECT-VENT
TERMINATION
U.S. MIN. 12” (31cm)
ABOVE GRADE OR
ANTICIPATED AVG.
SNOW ACCUMULATION
CANADA: TERMINATION
MUST CONFORM TO CSA
B149.1-10, SECT. 8.14
60” Max. (152cm)
18” Max. (46cm)
3” Min. (8cm)
WIND VANE FROM
FURNACE PARTS BAG
INTAKE
12” (31cm) From W
all
5” Max. (13cm)
3” Min. (8cm)
60” Max. (152cm)
12” (31cm)
EXHAUST
INTAKE
A
B
5” Max. (13cm)
3” Min. (8cm)
OR
CHOOSE
EITHER
ST-A1194-18-XO
FIGURES N & P &
DETAIL C
OPTION B ONLY
NOTE:
1. A TRAP IN THE COMBUSTION AIR PIPE IS
NOT REQUIRED FOR THIS OPTION.
2. PIPING EXTERNAL TO THE STRUCTURE
MUST BE INSULATED FOR LOCAL CLIMATES.
3. WALL PENETRATION AND
VENT TERMINATIONS MUST
BE WITH 2”
IPIE. A MAXI-
MUM OF 18” OF 2 PIPE IS
PERMITTED INSIDE (BE-
FORE THE PENETRATION)
WHEN USING 3”
VENT.
U.S. MIN. 12” (31cm)
ABOVE GRADE OR
ANTICIPATED AVG.
SNOW ACCUMULATION
CANADA: TERMINATION
MUST CONFORM TO CSA
B149.1-10, SECT. 8.14
U.S. MIN. 12” (31cm)
ABOVE GRADE OR
ANTICIPATED AVG.
SNOW ACCUMULATION
CANADA: TERMINATION
MUST CONFORM TO CSA
B149.1-10, SECT. 8.14
OPTION A ONLY
NOTE: 1. A TRAP MUST BE INSTALLED IN THIS OPTION TO
PREVENT WATER FROM ENTERING THE FURNACE
THROUGH THE COMBUSTION AIR PIPE. ORDER
KITS RXGY-D05 FOR 2” PIPE OR RXGY-D06 FOR 3”
PIPE AND INSTALL PER INSTRUCTIONS IN KIT.
2. PIPING EXTERNAL TO THE STRUCTURE MUST BE
INSULATED FOR LOCAL CLIMATES
3. WALL PENETRATION AND VENT TERMINATIONS
MUST BE WITH 2” PIPE. WHEN USING 3” VENT
AND NECKING DOWN TO 2” AS REQUIRED, A
MAXIMUM OF 18” OF 2” PIPE IS PERMITTED IN-
SIDE (BEFORE THE PENETRATION) WHEN USING
3”
VENT.
6” (15.5cm) Min. From W
all
EXHAUST
DETAIL APPLIES TO BOTH TERMINATIONS
SHOWN
NOTE: This de-
tail applies to the
termination and
NOT the penetra-
tion through the
wall.
61