Takagi T-H3-DV Service Handbook

TROUBLESHOOTING
TROUBLESHOOTING
On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models • 27

Figure 13
: 240 (T-H3J) and 340 (T-H3S)
Bank of DIP Switches
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.
Elevaon Level
DIP switch sengs
Output
reducon
Fan mot
or
speed
change
No.3 No.4 No.5
0 to 2,000 .
0 (DEFAULT) OFF OFF OFF N/A N/A
1** OFF ON OFF N/A 3 %
2,000 to 4,000 . 2 OFF OFF ON -11 % 7 %
4,000 to 6,000 . 3* ON OFF ON -14 % 9 %
Special funcon** ON OFF OFF N/A -7 %
Elevaon Level
DIP switch sengs
Output
reducon
Fan mot
or
speed
change
No.3 No.4 No.5
0 to 2,000 .
0 (DEFAULT) OFF OFF OFF N/A N/A
1** OFF ON OFF N/A 6 %
2,000 to 4,000 . 2 OFF OFF ON -9 % 14 %
4,000 to 6,000 . 3* ON OFF ON -12 % 18 %
Special funcon** ON OFF OFF N/A -7 %
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.
* 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.
WARNING
Failure to properly set the DIP switches could cause carbon monoxide
poisoning, resulting in severe personal injury or death.

Takagi T-H3-DV Specifications

General

Brand	Takagi
Model	T-H3-DV
Category	Water Heater
Language	English