Radiant Slave Valve/Actuator
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Valve/Actuator Slave Controls add extra zone capability to 4-zone or 6-zone Master Control Units. Like
the Master Controls, they are intended to control Watts Radiant Electrothermal Actuators, or any 24-VAC actuator
that draws 5 VA or less. The number of actuators controlled depends on the 24-VAC external transformer (not
supplied) powering the system. However, the physical limitation of the Control itself is four actuators per thermostat
connection.
Up to two additional 4-zone or 6-zone Slave Controls can be added to a Master Control. No field wiring is
required between — Masters and Slaves simply plug into each other (see below).
Each additional 40-VA 24-VAC transformer capacity can control an extra 12 actuators
maximum; 18 actuators maximum with an additional 60-VA 24-VAC transformer. Actuators are
switched by triacs, for safe, quiet, reliable electronic operation. Mounting is by DIN rail or
surface mount to a wall.
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