Samson 3244 - Page 27

EB 8026 EN 27
Mounting and start-up
AAB
B
A
AB
B
A
AB
B
AAB
B
A
AB
B
A
AB
B
A
AB
B
AB
A
B
Heating with diverting valve (FA) or cooling with diverting valve (FE)
Installation in return ow pipe Installation in ow pipe
Flow pipe
Installation in return ow pipeInstallation in ow pipe
Heating with mixing valve (FA) or cooling with mixing valve (FE)
Fail-safe action: FA = "Actuator stem extends", FE = "Actuator stem retracts"
In heating applications with FA, the heating medium (ow) is shut off in the fail-safe position,
in cooling applications with FE, cooling is maintained in the fail-safe position.
Mixing service
Temperature control Q = constant
Diverting service
Flow control Q = 0 to 100 %
Flow pipe
Flow pipe
Flow pipe
Flow pipe
Return ow
pipe
Return ow
pipe
Return ow
pipe
Return ow
pipe
Flow pipe
Flow pipe Flow pipe
Return ow
pipe
Return ow
pipe
Return ow
pipe
Return ow
pipe
Fig.6: Typical installations