Installation Instructions

12
DIPswitch settings for Vent length
<Two-pipe, direct-vent installation>
Set DIPswitches shown in the tables below depending on vent length.
<Single pipe with room-air intake installation>
Set DIPswitches shown in the tables below depending on vent length.
4"
Vent length
(Upper bank of DIPswitches)
5 to 50
(DEFAULT)
No. 3 : ON
No. 4 : OFF
51 to 100
No. 3 : OFF
No. 4 : OFF
ON
1 2 3 4 5 6 7 8
OFF
ON
1 2 3 4 5 6 7 8
OFF
3"
Vent length
(Upper bank of DIPswitches)
5 to 20
(DEFAULT)
No. 3 : ON
No. 4 : OFF
21 to 40
No. 3 : OFF
No. 4 : OFF
41 to 70
No. 3 : ON
No. 4 : ON
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
OFF
3"
Vent length
(Upper bank of DIPswitches)
5 to 45
(DEFAULT)
No. 3 : ON
No. 4 : OFF
46 to 70
No. 3 : OFF
No. 4 : OFF
ON
1 2 3 4 5 6 7 8
OFF
ON
1 2 3 4 5 6 7 8
OFF