Danfoss Heating
9
GB
3.4 Typical Gravity DHW Pumped HTG with
Spring Return Zone Valve in DHW
Other Danfoss Randall products suitable for use with above circuit:-
AT cylinder thermostat;
RMT room thermostat;
HP28C motorised zone valve with spring return actuator and SPDT
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
Boiler
N
Pump
N
