Secure C1727 - Page 20

Make connections
3 Port Valve or Y Plan
*Note : The receiver has
voltage free contacts. A
link between terminal L
and terminal 2 is
required for mains
voltage applications
A3
Call
1 2
3
4
N L
O
Com
ON ON
Receiver back plate
N
L
*
White
Blue
Green/
Yellow
Orange
Grey
Mid-pos.
valve
NL
Pump &
Boiler
Call
C
Cyl
stat
Sat
C
Frost
stat
if
fitted
Call
C
Room
stat
Sat
N
This diagram is schematic and should be used for guidance only.
20