Exodraft EBC20, Инструкция по установке и эксплуатации

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3.4.2 2 x 1-stage boilers
This example shows which inputs/outputs on the EBC20 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:
ΠThe start signal for the burner from boiler 1 is connected to terminal 14
ΠConnect boiler 1 (N) to terminal 12
ΠConnect the start signal for boiler 1 (L) to terminal 11
ΠThe start signal for the burner from boiler 2 is connected to terminal 18
Œ
Connect boiler 2 (N) to terminal 16
Œ
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 EBC20 is preparing for a PDS-check.
3002878-EBC20-UK 2-stage speed regulation • 27