Danfoss FP975 Installation & User's Instructions page 11

230 Vac Controlled Gravity Hot Water - Pumped Heating
System PUMPED switch selection
fused 3A
N
230
Vac
L
230 Vac Fully Pumped System - 3-port Mid-position Valve
PUMPED switch selection
MAINS
fused 3A
N
N
230
Vac
L
HEAT
SHARE
MAINS DHW
ON
N L 1
HP28C
BOILER
DHW
DHW
ON COM
L 1
BOILER
DHW DHW
HTG
COM OFF
ON
2 3 4
ATC
PUMP
DHW HTG
HTG
OFF
ON COM
2 3 4
ATC
HS3
PUMP
HTG HTG
COM OFF
5 6
RMT
Earths not shown.
Ensure continuity
throughout.
HTG
OFF
5 6
RMT
Earths not
shown.
Ensure continuity
throughout.
11