2 wired thermoelectric actuator
4 wired thermoelectric actuator with
auxilliary micro-switch
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Code
1909
1919
1929
1939
Voltage
24V
230V
24V
230V
Type
N.C
N.C
N.O.
N.O.
Opening time
180s
180s
180s
180s
Code
1913
1914
1923
1924
Voltage
24V
230V
230V
230V
Type
N.C
N.C
N.O.
N.O.
Opening time
90s
180s
90s
180s
Description
The thermoelectric actuator can be used in association with both thermostatic valves and thermoelectric manifolds. It permits automatic opening and closing of all units to which it is interconnected in response to an electrical signal. When the thermostat or control unit – to which the thermoelectric actuator is connected transmits a signal, the inner element is electrically heated, thus fully opening (NO) or closing (NC) the valve. The position can be identified by means of the cylindrical position indicator on the actuator head.
- If the actuator is of the Normally Closed (NC) type, without an electrical supply the valve will remain shut.
- If the actuator is of the Normally Open (NO) type, without an electrical supply the valve will remain open.
Installation
- To install the actuator onto the valve, remove the handle, the plastic support and screw on the adapter Art. 1941 (Illustration 1).
- To carry out installation at the manifold, remove the handle and screw the ring directly onto the blue adapter (Illustration 2).
- Lightly hand-tighten the ring on the thermoelectric actuator. Do not use plumbing wrenches or similar tools. (Illustration 3).
- Take care to install the wire in such a way that it doesn’t come
- into direct contact with pipes, radiators, etc…
