Gemü 534 Original Einbau- Und Montageanleitung Seite 25

Control function
1 (NC)
2 (NO)
3 (DA)
8 (normally open)
+ = available / - = not available
(for connectors 2 / 4 see pictures above)
11.3 Connecting the control
medium
Important:
Connect the control medium lines
tension-free and without any bends
or knots!
Use appropriate connectors
according to the application.
Thread size of the control medium
connectors 2 and 4: G1/4
Connector 2
Control function 1
Connector 4
Connector 2
Control functions
2, 3, 8
Connectors
2 4
+ -
- +
+ +
+ +
27 / 36
Control function
1 Normally closed (NC)
2 Normally open (NO)
3 Double acting (DA)
Double acting
8
(normally open)
For connectors 2 / 4 see pictures on the left
12 Assembly / disassembly of
spare parts
See also chapter 11.1 "Installing the valve"
and chapter 20 "Sectional drawing and
spare parts".
12.1 Disassembly of actuator
1. Move actuator A to the open position.
2. Loosen union nut a.
3. Remove actuator A from valve body 1.
4. Move actuator A to the closed position.
Important:
After disassembly, clean all parts
of contamination (do not damage
parts). Check parts for potential
damage, replace if necessary (only
use genuine parts from GEMÜ).
12.2 Replacement of seals
Important:
Replace gasket 4 during every
actuator disassembly / assembly.
1. Disassemble actuator A as described in
chapter 12.1, items 1-4.
2. Remove gasket 4.
3. Move actuator A to the open position.
4. Loosen nut d on spindle b (hold
spindle b with appropriate tool that
will not damage the spindle surfaces).
Remove washer e and seat seal 14.
5. Clean all parts, do not scratch or
damage the parts during cleaning.
6. Insert new seat seal 14.
7. Insert washer e.
8. Apply appropriate mounting glue on the
thread of spindle b.
Connectors
2: Control medium (open)
4: Control medium (close)
2: Control medium (open)
4: Control medium (close)
2: Control medium (open)
4: Control medium (close)
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