Takagi T-H3J-DV Service Handbook page 28

HIGH ALTITUDE SETTINGS (CONTINUED)
WARNING
Failure to properly set the DIP switches could cause carbon monoxide poisoning, resulting in
severe personal injury or death.
Table 12: Indoor model, 540 (T-H3) - Propane
Apply the altitude setting by adjusting DIP switches 2, 3, and 4 on
the lower bank. See Figure 14.
0 to 2,000 ft.
2,000 to 3,000 ft.
3,000 to 5,000 ft.
5,000 to 7,500 ft.
7,500 to 10,100 ft.
Table 13: Indoor model, 540 (T-H3) - Natural Gas
Apply the altitude setting by adjusting DIP switches 2, 3, and 4 on the lower bank. See Figure 14.
0 to 2,000 ft.
2,000 to 3,000 ft.
3,000 to 5,000 ft.
5,000 to 7,500 ft.
7,500 to 10,100 ft.
* **These settings are not listed in the 240(T-H3J),340(T-H3S), and 540(T-H3) installation manual.
28 • On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models
Elevation
0(DEFAULT)
Special function*
Elevation
0(DEFAULT)
Special function*
DIP switch settings
Level
No.2 No.3
OFF OFF
1 OFF ON
2* ON ON
3 OFF OFF
4* ON OFF
5 OFF ON
6 ON ON
ON OFF
DIP switch settings
Level
No.2 No.3
OFF OFF
OFF ON
1
ON ON
2*
OFF OFF
3
ON OFF
4*
OFF ON
5
ON ON
6
ON OFF
Figure 14 : 540 (T-H3)
Lower bank of
DIP switches
Fan motor
Output
speed
reduction
No.4
change
OFF N/A
OFF N/A
OFF -8 %
ON -11 %
ON -14 %
ON -18 %
ON -22 %
OFF N/A
Fan motor
Output
speed
reduction
No.4
change
OFF N/A
OFF N/A
OFF -6 %
ON -9 %
ON -12 %
ON -15 %
ON -18 %
OFF N/A
N/A
3 %
5 %
7 %
9 %
12 %
15 %
-7%
N/A
6%
10 %
14 %
18 %
22 %
26 %
-7 %