Danfoss Heating
11
GB
3.6 Typical Fully Pumped System with Spring
Return Zone Valve in each Service
Other Danfoss Randall products suitable for use with above circuit:-
AT cylinder thermostat;
RMT room thermostat;
2 x HP22 or HP28 motorised zone valve with spring return actuator
and SPST auxiliary switch.
S.R.Z.V
in
DHW
N L 1 2 3 4 5 6
Terminals
Mains
Supply
3 amp fuse
Room Stat
N
L
D.H.W
on-com-off
HTG
/ on-com-off
Cylinder
Stat
N
S.R.Z.V
in
HTG
N
Boiler
and
Pump
N
