SPX FLOW APV DELTA SDMS4 Instruction Manual page 22

APV
APV_SDMS4_UK-0_112017.indd
fig. 11.4.5.
NO
NC
17
11. Service Instructions
11.4. Installation of DELTA SDMS4 valve
1. Design with control unit:
Fasten the adapter on the actuator.
Place the control unit (27) on the adapter (24) and fasten it.
Design with valve position indication:
Fasten the housing of the valve position indicator (28).
2. Valve in NC (normally closed) design
Observe the following during the assembly of the valve insert:
- Control the actuator (version: NC) with pneumatic air min. 6 bar.
Carefully place the valve insert into the valve housing.
The diaphragm (13) must not be damaged during the installation
in the valve housing. Tighten the hex. screws (9) crosswise in
the housing flange.
Do not reach for movable parts!
!
Risk of injury.
! Version NC: Shut off air supply.
3. Check the basic adjustment of the valve position indication.
- By turning the positioning screw in the control unit, the shift
points can be adjusted.
4. Design with valve position indicator:
Push in the proximity switches and fasten them.
- Readjust the proximity switches if necessary.
5. Adjustment of proximity switches: (fig. 11.4.5.)
- Drive the actuator into a limit position.
- Drive the corresponding proximity switch into the corresponding
position. For this purpose release the positioning screw and
move the holder until the corresponding signal is indicated.
Then, continue to slide the holder by 2 to 3 mm in order to
secure the indication. Fasten the positioning screw.
- Position the actuator in the other limit position and carry out
the positioning of the second proximity switch.
- Upper valve position indication:
valve NO "normally open" (air-to-lower, spring-to-raise)
- Lower valve position indication:
valve NC "normally closed" (air-to-raise, spring-to-lower)
Double seal valve with diaphragm and ,,fan support"
Instruction Manual UK-rev.0
UK
DELTA SDMS4