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Set DIP switches shown in the table below depending on the vent diameter, the installation, and the vent length.
Vent diameter & Installation
Vent length
3ʺ venting*
Two-pipe, Direct vent
5 to 20 ft (1.5 to 6.1 m)
(DEFAULT)
21 to 40 ft (6.2 to 12.2 m)
41 to 70 ft (12.3 to 21.3 m)
Single vent
5 to 45 ft (1.5 to 13.7 m)
(DEFAULT)
46 to 70 ft (13.8 to 21.3 m)
4ʺ venting
Two-pipe, Direct vent &
Single vent
5 to 50 ft (1.5 to 15.2 m)
(DEFAULT)
51 to 100 ft (15.3 to 30.5 m)
140H/240H/340H
Indoor
OFF
ON 1 2 3 4 5 6 7 8 9 10
No. 6 : O N
No. 7 : OFF
OFF
ON 1 2 3 4 5 6 7 8 9 10
No. 6 : OFF
No. 7 : OFF
OFF
ON 1 2 3 4 5 6 7 8 9 10
No. 6 : O N
No. 7 : O N
540H Indoor
(Upper bank of
DIP switches)
OFF
ON 1 2 3 4 5 6 7 8
No. 3 : O N
No. 4 : OFF
OFF
ON 1 2 3 4 5 6 7 8
No. 3 : OFF
No. 4 : OFF
OFF
ON 1 2 3 4 5 6 7 8
No. 3 : O N
No. 4 : O N
*
PVC concentric termination (100112163)
installation is applied to the DIP switch settings of 3" venting. (Refer
to page 10.)
Installation
Installation Manual
1. Insert no more than 12" (305 mm) of 3" straight pipe
into the exhaust/intake vent collar with 3" adapter.
2. Connect 3" x 4" increasers to straight pipes.
3. Connect 4" straight pipes to the increasers.
4" vent connection for PVC/CPVC venting only
• PVC adapter will accept 3" straight pipe.
3" vent connection for PVC/CPVC venting only
Exhaust vent collar
with 3" adapter*
(Female)
Intake vent collar with
3" adapter* (Female)
3" straight pipe
3" straight pipe
*3" PVC adapters are not approved for use in Canada.
NOTICE
Intake vent collar with
3" adapter* (Female)
Exhaust vent collar
with 3" adapter*
(Female)
3" x 4" increaser
3" x 4" increaser
4"straight pipe
3"straight pipe
no more than 12"
(305 mm)
4" straight pipe
3" straight pipe
no more than 12"
(305 mm)
1. Connect spigot end of 3" street elbow into the intake
vent collar with 3" adapter. Be sure to insert bird
screen into the hub side.
2. Connect 3" straight pipe into the exhaust vent collar
with 3" adapter.
Exhaust vent collar with
3" adapter (Female)
Intake vent collar
with 3" adapter
(Female)
3" street elbow
with bird screen
3" straight pipe
1. Insert no more than 12" (305 mm) of 3" straight pipe
into the exhaust vent collar with 3" adapter.
2. Connect a 3" x 4" increaser into the 3" straight pipe.
3. Connect 4" straight pipe into the increaser.
4. Connect spigot end of 3" street elbow into the intake
vent collar with 3" adapter. Be sure to insert bird
screen into the hub side.
Exhaust vent collar
with 3" adapter*
(Female)
3" x 4" increaser
4" straight pipe
3" straight pipe
no more than 12"
(305 mm)
Intake vent collar
with 3" adapter
(Female)
3" street elbow
with bird screen
Summary of Contents for 140H
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