19
Combi Hybrid Wiring Diagram
•
Circulation
Pump
Is
wired
to
B8
(Live),
Neutral
(B7),
Maximum
pump
power
is
500
W
•
Boiler
2
port
valve,
brown
B4,
Blue
to
B8,
Orange
to
the
boiler
and
the
Grey
to
B22
•
The
run
signal
from
the
stat
and
timeclock
wire
into
B22,
B19
is
Neutral,
B20
Live
(permanent
240V
ac)
•
The
run
signal
for
heating
wires
to
B22.
F1
F2
L
N
Power Input
3A
Remove
MCB from unit
2m Flow Switch Cable,
Can be extended
Communications
Cable
2 core, 1mm, 16Vdc
240V Power Supply
5kW unit - 16A
9kW unit - 20A
16kW unit - 32A
Run Signal
Run Signal
to Combi
Pump M
B