Takagi T-H3J-DV Service Handbook page 27

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 10: Outdoor model, 240 (T-H3J) / 340 (T-H3S) - Propane
Apply the altitude setting by adjusting DIP switches 3, 4,
and 5 as described below.
Elevation
0 to 2,000 ft.
2,000 to 4,000 ft.
4,000 to 6,000 ft.
Table 11: Outdoor model, 240 (T-H3J) / 340 (T-H3S) - Natural Gas
Apply the altitude setting by adjusting DIP switches 3, 4, and 5 as described below.
Elevation
0 to 2,000 ft.
2,000 to 4,000 ft.
4,000 to 6,000 ft.
* If the abnormal sound problem persists even with "Level 3" setting, please contact our Technical Service Department for
advice.
**These settings are not listed in the 240(T-H3J),340(T-H3S), and 540(T-H3) installation manual.
On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models
Level
0 (DEFAULT)
1**
3*
Special function**
Level
0 (DEFAULT)
1**
3*
Special function**
Figure 13 : 240 (T-H3J) and 340 (T-H3S)
DIP switch settings
No.3 No.4
OFF OFF
OFF ON
2 OFF OFF
ON OFF
ON OFF
DIP switch settings
No.3 No.4
OFF OFF
OFF ON
2 OFF OFF
ON OFF
ON OFF
Bank of DIP Switches
Fan motor
Output
speed
reduction
No.5
change
OFF N/A N/A
OFF N/A 3 %
ON -11 % 7 %
ON -14 % 9 %
OFF N/A -7 %
Fan motor
Output
speed
reduction
No.5
change
OFF N/A N/A
OFF N/A 6 %
ON -9 % 14 %
ON -12 % 18 %
OFF N/A -7 %
• 27