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H
eating fl
ow
and r
eturn
Z1
Z2
H
ot dr
aw o
ff
C
ol
d F
eed
You only need to do the red bits
Run signal is 240V across TBI 13 and 14, run a 3 core from the outdoor to indoor unit, power to the outdoor unit and
power for the immersion. The rest is pre-wired. Note the thermostat is low Voltage 240V will kill the pcb .
Wiring the Pre-plumbed unit
Remote controller TBI.3 1-2 2 core flex 0.75mm
The run signal TB1 13 and 14 is NOT 240 Volts it’s a low voltage contact. 240 Volts will damage the pcb.
Hot water Pump CNP4 red plug
3 port valve
TBO2 4,5 and 6
Flow sensor 3 core
connect to INIA it’s 2 metres long
Primary flow water
temperature sensor top grey 1.2m long
Primary return water temperature sensor bottom black 1.2m long
Primary Pump HP
TB01 out 1
0.75mm 3 core
Heating Pump Z1
TB01 out 2
0.75mm 3 core
S1
S2
S3
L
N
+
Power supply 240V 20A for the 5kW 25A for 8.5kW 32A for 11.2kW 40A for 14kW
Communication and power
cable 3 core 1mm (220V AC)
S1 live, S2 neutral S3 comms
Run signal from Stat or
zone valves TBI 13 +14
Power Supply for immersion only 13A 2.5mm 3 core
Connect the 2 orange connectors together here if power comes from outdoor unit
Immersion heater in tank 3 core 2.5mm
Tank sensor 1.8m long DON’T Cut
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