ABB AV2123000 Positioner User Manual

INSTALLATION
4. Lock all linkage components in place.
CAM
CAM ROLLER
CAM FOLLOWER ARM
T00771A
Figure 3-8. Cam Roller Alignment
TUBING CONNECTIONS
Type AV positioners are available with (Type AV___1___ and
AV___2___) or without (AV___0___) manifolds. The following outlines
supply air information and describes the piping connections.
Air Supply Pressure
CAUTION
Do not exceed the maximum supply pressure of 1034 kilopascals
(150 pounds per square inch gage). Exceeding this
pressure could cause equipment damage.
The air supply pressure range is 172 to1034 kilopascals (25 to
150 pounds per square inch gage).
NOTE: The minimum supply pressure should be 34.4 kilopascals
(5 pounds per square inch gage) above the operating pressure
required by the actuator.
Air Supply Filtering
An external filter is recommended for Type AV positioners for primary
filtration of the supply air. ABB provides supply air filters as
accessories. Refer to Table 1-12 for part numbers.
NOTE: Primary air supply filters are recommended for positioners
with a manifold (AV___1/2___), without a manifold
(AV___0___) or with a gage block (AV___3___).
TUBING CONNECTIONS
3 - 8