Download installation instructions single circuit kit

2. Electrical
TYPICAL ELECTRICAL CONNECTION
SINGLE CIRCUIT UFH + EXISTING S PLAN SYSTEM +SYSTEM BOILER
DS1,DT,PRT,PRT-TS
thermostat
(underfloor heating)
TP5000Si thermostat
(underfloor heating)
room thermostat
(radiators)
2 3
ATC
cylinder thermostat
Supply to UFH pump.
N L
A1
NL
123
A2
Supply to UFH pump.
HORSTMAN H37
N
L
5
1
3
123
12 3
RET230P thermostat
(underfloor heating)
Supply
230V AC
Earth wires omitted for
clarity!
HP motorised
valve
DHW
HP motorised valve
radiators
M
Supply to UFH pump.
HP motorised valve
underfloor heating
M
RET230L thermostat
(underfloor heating)
M
NL 3
Supply to boiler
&
boiler pump
Supply to UFH pump.
TYPICAL ELECTRICAL CONNECTION
SINGLE CIRCUIT UFH + RADIATORS + COMBINATION BOILER
DS1,DT,PRT,PRT-TS
thermostat
(underfloor heating)
TP5000Si thermostat
(underfloor heating)
room thermostat
(radiators)
N
L
1
2
4
2 3
Supply to UFH pump.
DANFOSS FP975-2H
5
N L
A1
A2
Supply to UFH pump.
123
RET230P thermostat
(underfloor heating)
Earth wires omitted for
clarity!
HP motorised valve
radiators
M
NL
Supply
230V AC
123
Supply to UFH pump.
HP motorised valve
underfloor heating
RET230L thermostat
(underfloor heating)
M
NL 3
Volt free to room
thermostat connections
in combination boiler.
WARNING:
Exercise care when connecting to
boiler connections, its important that a
voltage is not applied to boiler
terminals from this control system or
damage to boiler may occur.
Supply to UFH pump.