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10.7 Altitude Adjustment
These instructions shall address derating at altitudes above 2,000 ft. Boiler input
ratings are based on sea level operation. No adjustments needed on installations up
to 2,000ft. Adjust the program data based on altitude. See Table 24 below.
Program Data
0 ~ 1,999 ft
P4
50
Table 24
How to program boiler:
1. Connect the power supply if not already done.
2. Press the power button to make sure the display on the touch pad is off .
Figure 71
3. Place dip switch 2 in the on position.
ON
1 2 3 4 5 6 7 8
Figure 72
Singular Combi Boiler - BTC 439003301 B (2021/07)
Altitude Setting
2,000 ~ 4,500 ft
55
4. Press and hold the
and
Figure 73
5. P0 will show on the display. Press the MODE button to scroll through the
menu to get to P4.
Figure 74
6. Use the
button to change the setting from 50 to 55. Press the power
button to save the setting.
7. Turn Dip switch 2 in the off position.
Installation Instructions
buttonsfor 5 seconds.
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