Reznor VCT Unit Installation Manual - Manual (Page 12)

12
cap with bird screen must be fitted at
the inlet of the duct. If the duct inlet
is located above the roof the
underside of the inlet terminal must
be at least 2ft (0.61m) above roof
level and at least 10” (254mm)
above any projection on the roof
within 7ft (2.1m) of the inlet. Intake
pipe, fittings and sealant are not
furnished by the manufacturer. Refer
fig 8c & 8d
Figure 8.a Vertical Venting.
Figure 8.b Horizontal Venting.
Figure 8.c Fresh Air Ducted Intake. Figure 8.d Wall Terminal Intake Kit.
REFLECTOR
END OF RADIANT TUBE
VENT ADAPTOR ELBOW
12'-0" (3.66m)
12'-0" (3.66m)
(APPROXIMATE
MAXIMUM DIMENSIONS)
CODE APPROVED VENT
THROUGH ROOF
SEAL
S
UP
PL
IE
D B
Y
OTHERS
ROOF
4" (101mm) O.D. OR
HIGH TEMPERATURE SILICONE
SEAL JOINTS WITH
REQUIRED ONLY FOR 6" (152mm) DIA. VENT
4" (101mm) TO 6" (152mm) DIA. ALUMINUM ADAPTER
6" (152mm) O.D. FLUE
ALUMINUM
RADIANT
TUBE REFLECTOR
4" (101mm) TO 6" (152mm) DIA. ALUMINUM ADAPTER
TERMINAL
6" (152mm)
COLLAR
SEAL JOINTS WITH
HIGH TEMPERATURE
WALL
REQUIRED ONLY FOR 6" (152mm) DIA. VENTS
ALUMINUM 4" (101mm) O.D. MAXIMUM LENGTH = 12'-0" (3.66m)
ALUMINUM 6" (152mm) O.D.MAXIMUM LENGTH = 25'-0" (7.62m)
(PLUS A MAXIMUM OF 2 x 90° BENDS
END OF
SUPPLIED BY OTHERS
COUPLER
SILICONE
INLET WITH
BIRD SCREEN
36"
(91
4mm) MIN CENT
ER
S
NOTE: The vent
terminal should be
installed so as to be in
the same atmospheric
pressure zone as the
combustion air inlet of
the appliance
INLET WITH
6" (152mm)
SEAL JOINTS WITH
SILICONE OR DUCT TAPE
WALL
BIRD SCREEN
TERMINAL
36" (914m
m) MIN CENTERS
CLAMPS
BURNER
4" (106mm) O.D. FLEXIBLE DUCT
ALUMINUM 4" (101mm) O.D. PIPE
MAX LENGTH = 25'-0" (7.62m) WITH 2-90° LONG RADIUS BENDS
4.25” (108mm) O.D FLEXIBLE DUCT
ENSURE ALL JOINTS ARE
SEALED
APPROVED CAT III VENT PIPE
APPROVED CAT 3 VENT PIPE
VENT CAT III ELBOW
ELBOWS
CAT III ADAPTER
ELBOWS