13
Page
-DIPswitch se
ttings
for Ve
n
t
length-
4"
venting
Vent len
g
th
(Upper bank of DIPswitches)
5 to 50
ft
(DEFAULT)
No. 3 : ON
No. 4 : OFF
51 to 100
ft
No. 3 : OFF
No. 4 : OFF
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8
3"
venting
Vent len
g
th
(Upper bank of DIPswitches)
5 to 20
ft
(DEFAULT)
No. 3 : ON
No. 4 : OFF
21 to 40
ft
No. 3 : OFF
No. 4 : OFF
41 to 70
ft
No. 3 : ON
No. 4 : ON
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
Set DIPswitches shown in the tables below depending on the vent length.
3"
venting
Vent len
g
th
(Upper bank of DIPswitches)
5 to 45
ft
(DEFAULT)
No. 3 : ON
No. 4 : OFF
46 to 70
ft
No. 3 : OFF
No. 4 : OFF
OFF
ON 1 2 3 4 5 6 7 8
OFF
ON 1 2 3 4 5 6 7 8
Set DIPswitches shown in the table below depending on the vent length.
<Single
pipe with room-air intake
<Two-pipe, direct-vent
Refer to p. 15 for details.
Refer to p. 16 for details.