John Wood Takagi - 240H-340H-540H - Manual (Page 14)

14
Page
-DIPswitch settings for Vent length-
-Exhaust vent (Plastic vent)-
These models can be vented with a plastic vent which is made of PVC, CPVC, or polypropylene
(temperature rated up to 149 °F). In Canada, plastic venting must be certified to ULC S636 standards.
Item Material Canada
Exhaust pipe and
Fittings
Schedule 40 PVC
ULC S636 Certified
Materials Only
Schedule 40 CPVC
Polypropylene
Pipe Cement/Primer
PVC
CPVC
NOTE: Do NOT Use Cellular Foam Core Pipe
102 mm (4") venting
T-H3J-DV / 240H
T-H3S-DV / 340H
T-H3-DV / 540H
(Upper bank of DIPswitches)
Vent length
No. 6 : ON
No. 7 : OFF
No. 3 : ON
No. 4 : OFF
1.5 to 15.2 m
(5 to 50 ft)
(DEFAULT)
No. 6 : OFF
No. 7 : OFF
No. 3 : OFF
No. 4 : OFF
15.5 to 30.5 ft
(51 to 100 ft)
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8 9 10
76 mm (3") venting
T-H3J-DV / 240H
T-H3S-DV / 340H
T-H3-DV / 540H
(Upper bank of DIPswitches)
Vent length
No. 6 : ON
No. 7 : OFF
No. 3 : ON
No. 4 : OFF
1.5 to 6.1 m
(5 to 20 ft)
(DEFAULT)
No. 6 : OFF
No. 7 : OFF
No. 3 : OFF
No. 4 : OFF
6.4 to 12.2 m
(21 to 40 ft)
No. 6 : ON
No. 7 : ON
No. 3 : ON
No. 4 : ON
12.5 to 21.3 m
(41 to 70 ft)
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8 9 10
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8 9 10
Set DIPswitches shown in the table below depending on the vent length.
Installation
Installation Manual