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4
Set-Up
V Ball Valves
SET-UP
- Specify Upon Ordering
2-WAY VALVE
NON-SPRING RETURN
Stays in Last Position
AMB24-3-X1, GMB24-3-X1,
SY...
Power to pin 2 will drive valve CW.
Power to pin 3 will drive valve CCW.
The above will fuction when the
directional switch is in the ”1” position
to reverse, select the ”0” position.
AMX24-MFT-X1, GMX24-MFT-X1,
SY...MFT
NC:
Normally closed A to AB, valve
will open as voltage increases
NO:
Normally open A to AB, valve will
close as voltage increases
SPRING RETURN
Note Fail Position
AFB24-X1, AFBUP-X1,
NFB24-X1
NO/FO:
Normally open A to AB, valve
will drive closed.
Spring Action: Actuator will fail open A
to AB upon power loss.
NC/FC:
Normally closed A to AB, valve
will drive open.
Spring Action: Actuator will fail closed
A to AB upon power loss.
NFX24-MFT-X1, AFX24-MFT-X1,
EFX24-MFT
NC/FO:
Normally closed A to AB,
valve will open as voltage increases.
Actuator switch on CW.
Spring Action: Will fail open upon
power loss.
NC/FC:
Normally closed A to AB,
valve will open as voltage increases.
Actuator switch on CW.
Spring Action: Will fail closed upon
power loss.
ELECTRONIC F
AIL-SAFE
†
Power to pin 4 will drive valve
CW. Power to pin 3 will drive valve
CCW. The above will fuction when
the directional switch is in the ”Y2”
position to reverse, select the ”Y1”
position.
GKX24-MFT-X1
†
NC:
Normally closed A to AB, will
open as voltage increases when
directional switch is in the ”Y2”
position.
NO:
Normally open A to AB, will close
as voltage increases when directional
switch is in the ”Y1” position.
† The GK series Electronic Fail-Safe actuator will drive to a predetermined postion using the FO/FC dial on the actuator upon loss of power.
Tech.Doc - 04/17 - Subject to change. © Belimo Air
controls
(USA
), Inc
.