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5.3
Example: 640425 at FriwaMaxi-Kaskade with controller FC3.10
The following illustrations show how to connect the 3-way valve electrically to the controller, and
how to connect the controllers with each other in order to establish a communication between
them.
Single controller (640425, 640423, 640424): Connect the 3-way valve to relay 2.
Cascade (6404244): Connect the 3-way valve exclusively to relay 2 of the Server1. Please use the
enclosed duo wire end ferrule (twin wire end ferrule) in order to crimp both wires (L
way valve (stratification) and the 2-way zone valve (cascade valve) together and finally connect it
to "L" (see image, two brown wires).
Risk to life and limb due to electric shock!
Prior to commencing electrical work on the controller, pull the mains
Only after completing all installation work, plug the mains plug of the
2021/06
WARNING
plug and make sure that a restart is not possible.
controller into a socket. This avoids an unintentional start of the
motors.
9964042x-mub-ml – V03
) of the 3-
const
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