Mounting Positions; Installation - Distech Controls VA-180GN Series Hardware Installation Manual

Mounting Positions

Figure 2. Acceptable Indoor Mounting Positions.
Figure 3. Acceptable Outdoor Mounting Positions with Weather Shield
The vertical position is the recommended position for mounting. Figure
2 and Figure 3 show the acceptable mounting positions.
Allow 8 inches (200 mm) above and on the wiring side of the actuator,
and four inches (100 mm) on all other sides of the actuator. This
service envelope is the minimum space required to access and service
the actuator.
See Dimensions for actuator dimensions and the recommended
service envelope.
Actuator Components Diagram
A Manual adjuster (with slide switch)
B Wiring knockouts
C Position indication
D Status indication
E Housing cover
F Valve stem coupling
G Yoke
H Bonnet connection U-bracket
2/10
for NEMA 3R Protection.

Installation

Do not damage or scratch the polished surface of the valve
stem.
Mounting an Actuator to a Valve
1. Ensure stem connection plate in the Valve Stem Coupling is in the
OPEN position. See Figure 4.
2. Open the bonnet connection U-bracket. See Figure 5.
3. Pull the valve stem to the fully extended position. Then, slide the
actuator on the valve bonnet. See Figure 6.
4. Completely close the bonnet connection U-bracket. See Figure 7.
Figure 4.
Figure 5.
Figure 6.
Figure 7.