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Installation Instructions
Singular Combi Boiler - BTC 439003301 B (2021/07)
10.5.13 Cd mode
This is the mode for setting the cascade function of the heat only boiler
and is not available for the combi boiler product line.
Figure 66
10.6 Setting the Heat Load for The Outdoor Reset Control Mode
1. Move No. 2 PCB DIP switch in the ON direction.
Figure 67
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ON
2. Make sure the touch pad display is powered off . Press the MODE and
buttons for 5 seconds. The outdoor reset lamp will turn on, and C7 and ON or
OFF will be displayed repeatedly on the screen.
Figure 68
3. At this time, you can set ON or OFF using the or button.
C7 : ON = The boiler operates in outdoor reset mode using the
ambient temperature sensor.
C7 : OFF = The boiler operates according to the heating water
temperature.
Figure 69
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