
INSTALLATION OF A 3-WAY / 4-WAY MIXING VALVE WITH ACTUATOR
Installation of the 3-way / 4-way mixing valve (backflow protection)
A three-way or four-way mixing valve with a motor in the backflow protection function can be installed
on the left or right side of the boiler, see examples of installation on the right side of the boiler
(Example 1 and Example 2). Example 1 shows a 3-way mixing valve, and Example 2 shows a four-
way mixing valve. Installing the mixing valve on the left side of the boiler is the mirror image shown in
Example 1 and Example 2. The direction of opening of the actuator must be in accordance with the
actual direction of opening for the individual situation, the electric diagram of this technical
instructions and directions "Close MV!" and "Open MV!" in a manual control test.
Technical instructions CONTROLLER -
CPREG-Touch
16
Installation of a 3-way / 4-way mixing valve with actuator
Example 1: 3-way mixing valve
bar
M
Valve 100% closed
bar
M
Valve 100% open
Example 2: 4-way mixing valve
bar
M
Boiler
flow
Installation flow
Installation
backflow
Boiler
backflow
Boiler
flow
Installation
flow
Installation
backflow
Boiler
backflow
Valve 100% closed
Valve 100% open
bar
M
OPEN DIRECTION
CLOSING DIRECTION
OPEN DIRECTION
CLOSING DIRECTION