Secure H3747 - System Settings; Temperature, Mode, and Time Settings

Make connections
Note: Connections shown for mains operated 2x heating zone + 1x water heating system.
These may vary for dierent boiler types.
2 zone heating and hot water system
A3
N L
1
2
3 4
5
6
Receiver back plate
N L
Boiler
*
Zone 1
valve
Zone 2
valve
Zone 3
valve
ON ON ON
Call CallCall
C
Cylinder
stat
E
N
L
Mains supply
This diagram is schematic and should be used for guidance only.
*Note : The receiver has voltage free contacts. A
link between terminal L, 2 and 4 is required for
mains voltage applications.
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