Takagi T-H3-DV Service Handbook

TROUBLESHOOTING
TROUBLESHOOTING
26 • On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models
HIGH ALTITUDE SETTINGS
Elevaon Level
DIP switch sengs
Output
reducon
Fan motor
speed
change
No.3 No.4 No.5
0 to 2,000 . 0(DEFAULT) OFF OFF OFF N/A N/A
2,000 to 3,000 . 1 OFF ON OFF N/A 3 %
3,000 to 5,000 .
2* ON ON OFF -8 % 5 %
3 OFF OFF ON -11 % 7 %
5,000 to 7,500 .
4* ON OFF ON -14 % 9 %
5 OFF ON ON -18 % 12 %
7,500 to 10,100 . 6 ON ON ON -22 % 15 %
Special funcon* ON OFF OFF N/A -7%
Table 8: Indoor 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
2,000 to 3,000 . 1 OFF ON OFF N/A 6%
3,000 to 5,000 .
2* ON ON OFF -6 % 10 %
3 OFF OFF ON -9 % 14 %
5,000 to 7,500 .
4* ON OFF ON -12 % 18 %
5 OFF ON ON -15 % 22 %
7,500 to 10,100 . 6 ON ON ON -18 % 26 %
Special funcon* ON OFF OFF N/A -7 %
*The sengs are not listed in the Installaon Manual of 240(T-H3J),340(T-H3S), and 540(T-H3) models.
 Indoor model, 240 (T-H3J) / 340 (T-H3S) - Natural Gas
Apply the altitude setting by adjusting DIP switches 3, 4, and 5 as described below.
By default, all models are set to operate at altitudes of up to
2,000 feet. However, the altitude settings can be adjusted as
described in the following pages.
WARNING
Failure to properly set the DIP switches could cause carbon monoxide
poisoning, resulting in severe personal injury or death.
: 240 (T-H3J) and 340 (T-H3S)
Bank of DIP Switches
Figure 12

Takagi T-H3-DV Specifications

General

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