Manual Operation; Handwheel; Command Mode - Samson 5757-7 Mounting And Operating Instructions

Fig. 13 · Type 3226 Three-way Mixing Valve mounted onto Type 5757-7 Controller with Electric Actuator

6.10 Manual operation

6.10.1 Handwheel

The handwheel (red knob, see Fig. 2) is used to move the actuator stem when the power has
been disconnected. Do not use the handwheel while the actuator is running.

6.10.2 Command mode

A memory pen (order no.1400-7697 or order no. 1400-9753) can be configured in
TROVIS-VIEW to be a command pen. The command pen allows the actuator stem to be
moved to the open and closed positions.
Note: The action of retracting/extending the actuator stem on inserting the command pen
has absolute priority. The input signal is overridden.
The configuration of the memory pen is explained in section 8.2.4.
Mixing valve for:
Mixing service
Flow
A AB
B
Return flow
EB 5757-7 EN
Functions
27