14
Multi Fuel Wiring Diagram
•
The
circulation
pump
(HP)
is
wired
to
B8
(Live)
and
B7
(Neutral),
the
max
pump
power
is
500W
.
•
Hot
water
2-port
valve
is
wired
into
B17(Brown)
and
B15(Blue),
•
Heating
2-port
valve
is
wired
into
B18(Brown)
and
B15(Blue).
The
other
orange
and
grey
wires
are
not
needed.
•
The
run
signal
for
heating
is
wired
into
B20
and
B22,
B19
is
Neutral
and
B20
is
permanently
240V
ac.
Power Input
16A
15m T
ank
Sensor
,
Don’t shorten
2m Flow Switch Cable,
Can be extended
Run Signal
Cylinder Stat
open @ 55°C
H
HW
Pump HP
Pump Z1
F1
F2
L
N
Communications
Cable
2 core, 1mm, 16Vdc
240V Power Supply
5kW unit - 16A
9kW unit - 20A
16kW unit - 32A