Danfoss TP9 Installation Instructions Manual page 12

Typical fully pumped system with S.R.Z.V in each
GB
service
TP9 (Switch 1 to PUMPED)
Mains
Supply
Other Danfoss Randall products suitable for use with the above
circuit:-
AT Cylinder Thermostat.
2 x HP22 or HP28 Motorised Zone Valve with Spring
Return Actuator and SPST auxiliary switch.
12
Terminals
N
L
3 amp
fuse
W C
OFF ON
OFF
N L 1 2 3 4 5 6
Cyl. Stat
S.R.Z.V
Boiler &
in HW Pump
N
C
W
ON
Remote
Sensor
Looping
Terminals
S.R.Z.V
in CH
N N
N