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33
3112015_EBC22_UK
2 x 1-stage boilers
This example shows which inputs/outputs on the EBC22 need to be connected to 2 x 1-stage boilers. The
boiler output for stage 1 is a voltage signal.
Connect the voltage to terminals 1–3.
• Loop terminals 11 & 13.
• Loop terminals 15 & 17.
• Connection to the boilers:
•
The start signal for the burner from boiler 1 is connected to terminal 14.
•
Connect boiler 1 (N) to terminal 12.
•
Connect the start signal for boiler 1 (L) to terminal 11.
•
The start signal for the burner from boiler 2 is connected to terminal 18.
•
Connect boiler 2 (N) to terminal 16.
•
Connect the start signal for boiler 2 (L) to terminal 15.
•
Connect the chimney fan to terminals 4–6.
•
Adjust the value in menu 31 to 1 (PDS connected).
NB:
If
is flashing, the EBC22 is preparing for a PDS-check.
Summary of Contents for EBC22
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