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Note the immersion heater is not connected to the heat pump. You need to connect it to an
externally powered time clock programmed to do a 1 hour legionella cycle every week (or day) .
The 3 port valve SV1 wires from 5 live to 16 Neutral
If the valve is installed backwards terminal 5 and 6 are the opposite of each other swap wire from 5 to 6 and the valve will reverse.
The heating run signal wires from 3 to 15. The unit sends out 240V AC on terminal 15 when you send it back on terminal 3 the unit
runs in heating mode.
Pump Po heating pump after the header is wired into 10 live and 22 Neutral.
The remote controller can be wired in Cat 5 cable up to 20m long
The blue hot water cylinder sensor is delivered 10m long, it can be extended to 20m long with 1mm 2 core flex.
Wiring Schematic Wiring Schematic
Pump PO
Timer for
Immersion
SV1
Header,
Buer or
Heat
Exchanger
Z2
Z1
Extras
Wiring Schematic
• SV1, the 3 port valve connects AB to A when there is no
power. The valve must be installed with A to House and B to
the cylinder.
• SV1 powers AB to B for hot water mode
• A to house
• B to cylinder
Power Supply 240V
16A for the 4, 6, 8, and 10kW
32A for the 12, 14 and 16 kW
Run signal for
heating from UFH
or stats 240V ac
Cylinder sensor included is 10m
long, you can extend to 20m with
1mm flex.
Remote controller needs 5 core
0.1mm cable max 20m long
SV1
Pump PO
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