ABB AV2 - Direct Acting, Bottom Loaded, Single Acting Tubing Example; Reverse Acting, Top Loaded, Single Acting Tubing Example

INSTALLATION
WIRING TYPE AV2 POSITIONER
3 - 12
Figure 3-11. Reverse Acting, Top Loaded,
Single Acting Tubing Example
Figure 3-12. Direct Acting, Bottom Loaded,
Single Acting Tubing Example
G3
G1
HANDJACK
ALTERNATE PIPING FOR
DIAPHRAGM ACTUATOR
WITH HANDJACK
O2
OUTPUT GAGE (O2 PORT)
SIGNAL GAGE
T00892A
MOTION WITH
INCREASING SIGNAL
NOTES:
1. RED CAM ROTATES CLOCKWISE WHEN
VIEWED FROM THE FRONT.
2. O2 PORT PLUGGED.
3. STEM MOVES DOWN WITH SIGNAL FAILURE.
4.STEMMOVESUPWITHSUPPLYAIR
FAILU RE.
G3
G1
MOTION WITH
INCREASING SIGNAL
HANDJACK
O2
OUTPUT GAGE (O2 PORT)
SIGNAL GAGE
T00893A
NOTES:
1. BLACK CAM ROTATES COUNTERCLOCKWISE
WHEN VIEWED FROM THE FRONT.
2. O2 PORT PLUGGED.
3. STEM MOVES UP WITH SIGNAL FAILURE.
4. STEM MOVES DOWN WITH SUPPLY AIR
FAILURE.