Watts Master 4 zones 230VAC Guide Utilisateur page 5

5. Wiring
Pump
230Vac
50Hz
N PE L
N PE L
External Power
Supply
230Vac 50Hz
BOILER
Power Supply
230Vac 50Hz
WFHT
4 4 2
1
A/B
230NCx
230NCx
4 actuators
max per zone
WFHT
Up to 12
thermostats
4 4 2 1
A/B
sensor
SLAVE
230NCx
Up to 12 zones
230NCx
24 actuators Max
5
Bridge function
1 thermostat for several
zones control. Only the
points "1" need to be
bridged between the zones.
4 actuators
4 actuators
max per zone
max per zone
Important note
In this way, the maximum number
of actuators (zones bridged) will
be done by the current capacity of
the thermostat used.
Check the thermostat
characteristics before bridge.