Earths omitted for clarity
R/STAT
REMOTE 2 CHANNEL PROGRAMMER
TERMINAL
STRIP
C/H
2 PORT VALVE
240V
3AMP
L
N
E
L N
Remove
Links
CYL STAT
ON OFF
L
N
H/W
2 PORT
VALVE
Outside sensor
Boiler
Change parameter:
223 from 0 to 1
521 from 1 to 3
421 from 1 to 0
Activate Auto Function
BUS TA2 SE TNK SOL TA1
Note: Boiler switching on TA1 & TA2 is low
voltage. Use a separate cable to supply TA1 &
TA2. Do not mix high voltage and low voltage
wires in the same cable.
MOTOR
N
L
MOTOR
ON
OFF
S plan wiring diagram using an outside sensor.
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