ARI Armaturen TEMPTROL 774 EN - Manual (Page 10)

Page 28 Rev. 0040702000 1011
Operating and installation instructions
TEMPTROL
®
5.3 Installation instructions concerning actuators
(Connection of valve with thermal controller)
Construction
- Set point of the thermal controller/detector, turn to maximum. Hold the set point indicator
with the other hand.
- Connect the actuator (pos. 50.16) (ca. 100 Nm) through the connecting nut to the valve
(pos. 11). (Attention: The actuator must not turn whilst connecting, because the capillary
tube (pos. 50.15) will be damaged!).
Dismantling
- Loosen the connecting nut of the actuator (pos. 50.16). (Attention: The actuator must not
turn, because the capillary tube (pos. 50.15) will be damaged!).
-
ATTENTION !
- It is not permitted to mantle / dismantle actuators with valves operating and in
service conditions (temperature and pressure) (refer to item 10.0).
- If a temperature sensor is placed in a vessel with flammable or explosive media,
a sensor pocket have be provided.
-
ATTENTION !
- The actuator (pos. 50.16) seals the valve interior only metallic;
not extra gasket is allowed!
- No sharp bending or unscrewing of capillary tubes is allowed; passes control
medium on hot surfaces it may ignite. Combustion danger!
-
ATTENTION !
- When loosening the actuator, dangerous media can escape
(hot condensate, steam)