Dipswitch Settings - A.O. Smith 240 T-H3J Service Manual

12-6. DIPswitch settings

240 (T-H3J) / 340 (T-H3S) models
No. Functions
1 Gas type
2
3
4 (FM speed is increased automatically. See section 12-13)
5
6
7
3" ventings
4" ventings
8
9 Output temperature settings
10
(This switch is for a specialized purposes only)
240 (T-H3J), 340 (T-H3S) and 540 (T-H3) models Service Manial
Vent settings
(Direct vent Indoor models only)
5 to 20 ft (DEFAULT) 21 to 40 ft
5 to 50 ft (DEFAULT) 51 to 100 ft
ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10
OFF
OFF
No. 6 : ON No. 6 : OFF
No. 7 : OFF No. 7 : OFF
67
240 (T-H3J) and 340 (T-H3S) models
Computer board
ON position
Propane
Natural gas
41 to 70 ft
N/A
ON 1 2 3 4 5 6 7 8 9 10
OFF
No. 6 : ON
No. 7 : ON
140 °F (60 °C)
Page
CONFIDENTIAL
Ver. 1.00
OFF position
Disable
Disable
DEFAULT
1 2 3 4 5 6 7 8 9 10
ON
OFF
No.3: OFF
NO.4: OFF
No.5: OFF
in the table below.
Outdoor models
1 2 3 4 5 6 7 8 9 10
ON
OFF
No. 6 : OFF
No. 7 : ON
(
120 °F (49 °C)
(
Disable