Installation – Terminal Connections
Optional
Sensor
S2
S1
NSB
SL
L
N
56
Installer Manual
NSB
NSB for other
thermostats
Wiring Centre
Thermal
Actuator
Output
L N
S2
Sensor Terminal (optional)
S1
Sensor Terminal (optional)
Night set back output
SL
Load (Thermal Actuators)
L
Live 230 V AC 50Hz
N
Neutral
L
N
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