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Control Wiring
This shows a basic wiring schematic for a Heating and Domestic hot water system as for the hydraulic drawing
on the first page.
Connections are made to the directly to the Monoblock via the 1
st
wiring centre as shown below:
*Wiring back to terminals differs on older models until August 2020
Third Party controls should be wired through terminal 17 (L) and terminal 20 (L2) using a NO Relay. Please
see below schematic for single Zone operation through 3
rd
party controls, this should be integrated with
the above for DHW control also.
