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iSMA CONTROLLI MVH56E Mounting Instructions

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MVH56E/MVHE3K
Valve Actuators
1
1a
2
3
The performances stated in this sheet can be modifi ed without any prior notice.
MOUNTING INSTRUCTIONS
www.ismacontrolli.com
Hot media hazard. Before removing actuator from valve or
opening the valve, ensure that the valve control medium is
isolated and remove the pressure. Work must only be carried
out by a competent engineer.
Attention: do not use the actuator disassembled
from the valve.
For valve with 16 and 25mm stroke
•
Lower the valve stem
•
lock the stem extension c on the rack completely retracted
placing the indicator disk a, the jagged washer b and the
nut f positioned half of the extension itself.
For valves with 45mm stroke
•
Lower the valve stem;
•
lock the stem extension c on the rack completely retracted
placing the indicator disk a and the jagged washer b.
Assemble the actuator to the valve by U-bolt (d) and the two
nuts (e) without locking the nuts.
By rotating the manual override knob, lower the stem exten-
sion until it reaches the valve stem, then rotate the actuator to
screw the stem into the extension. Tighten the locknut on the
stem and lock the two nuts on the U-bolt.
DIM263en | 1
Issue rev. 2 | 07/2022
st
page 1

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Summary of Contents for iSMA CONTROLLI MVH56E

  • Page 1 MVH56E/MVHE3K Valve Actuators MOUNTING INSTRUCTIONS Hot media hazard. Before removing actuator from valve or opening the valve, ensure that the valve control medium is isolated and remove the pressure. Work must only be carried out by a competent engineer. Attention: do not use the actuator disassembled from the valve.

  • Page 2: Mounting Positions

    200 m 0 V (Common) 2÷10 V DC Feedback output signal 0.5 mm (AWG20) 200 m 0 V (Common) Terminals correspondence with respect to other iSMA CONTROLLI actuators models. www.ismacontrolli.com DIM263en | 1 Issue rev. 2 | 07/2022 page 2...
  • Page 3 COMMAND + N.B. Signals M and Ln are internally connected. COMMAND - (*) MVH56E-3K actuators contain a half-wave rectifier power supply. They must not be powered with transfor- mers that are used to power other devices using not isola- ted full-wave rectifier power supply.

  • Page 4: Dip Switches Settings

    DIP SWITCHES SETTINGS Set the DIP switches according to the tables here below. In order to be sure that any modification has been accepted by the actuator, power down and power up it again or act on the manual operation handle to be sure that settings will be recognized.
  • Page 5 ATTENTION! The electronic board is electrically supplied RED GREEN BLINKING The actuator is in emergency return phase SIMULTANEOUS iSMA CONTROLLI S.p.A. - Via Carlo Levi 52, 16010 Sant’Olcese (GE) - Italy | support@ismacontrolli.com www.ismacontrolli.com DIM263en | 1 Issue rev. 2 | 07/2022...

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Mvhe3k