Operating and mounting manual (translation)
EV / EVF
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220.100.091-05 Page 9 /21 Version: 06/2017
TM 4474
Malfunction Possible causes Remedy
Valve does not close Connected voltage too high Check whether there is residual voltage,
see section 4.1
Flange fracture (valve/
pipework)
Screws not tightened uniformly, mating
flanges not aligned
Align pipework.
Install new valve
NOTICE!
Observe section 10.0 before all installation and repair work!
Observe section 6.4 when putting the valve back into operation!
8.0 Dismantling of the Valve
In addition to the general installation guidelines and the operation safety order, the following points
must also be observed:
DANGER!
Depressurised pipework system
Cooled medium
Emptied installation
Vent pipework systems containing corrosive, inflammable, aggressive or toxic
media
Have dismantling work carried out only by qualified staff (see point 2.3)
8.1 Replacement of wear parts
Shut down the valve as described in section 6.2.
Fig. 1 100-EVF…. G1/2, G3/4
Fig. 5 100-EVF..N.. DN25
Fig. 6 40-EVF..NH... (DN15, DN25)
De-installation of the limit switch mounting
Switch limit switch (803) to zero-potential. Open limit switch housing (120). Loosen hexagon nut
(901/2) and screw it off and remove it together with switch actuator (513) from the limit switch spindle
(243). Loosen hexagon nut (901/3) and remove it. Take off the limit switch housing (120) with terminal
box (716) from the limit switch connection piece (246). Remove connecting piece limit switch (246)
from solenoid housing (800).
Replace the solenoid valve
Switch off and dismantle the solenoid drive as described in the operating manual of the solenoid drive.
DANGER!
After continuous operation, the solenoid drive may be hot! Danger of burns!
During the visual inspection, pay attention to the following points:
1. Damage to the valve seat (100).
2. Damage to the valve disc sealing (400)
3. Wear of the guide rings (206)
In case of damage to the valve seat, replace the whole magnetic valve.
If the sealing element becomes damaged the spare parts kit should be used.
Loosen the setscrew (941). Loosen the upper part of housing (106) by turning to
the right and screwing it off.
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