2. iSMA CONTROLLI
  3. MVT403SPS107 24Vac 300N

iSMA CONTROLLI MVT403SPS107 24Vac 300N, MVT203SPS107 230Vac 300N Installation guide

  • Hello! I've reviewed the mounting instructions for iSMA CONTROLLI Floating Actuators, specifically the MVT2xx, MVT4xx, MVT28, MVT44, MVT403, MVT403S, MVT203 and MVT203S models. This document provides details on wiring with both on-off and 3-point connection types, installation using manual override, and important notes on replacing older actuators. I'm ready to answer your questions about these devices.
  • What should I pay attention to when using MVT2xx models?
    What should I do before wiring the actuator?
    What is the common wire color for new 3-point ON/OFF actuators?
www.ismacontrolli.com
The performances stated in this sheet can be modifi ed without any prior notice.
page 1DIM232en | 1st Issue rev. 1 | 07/2022
MVT2xx / MVT4xx
Floating Actuator
MOUNTING INSTRUCTIONS
For models MVT2xx pay attention to 230 V AC voltage. Do not use the actuator if not coupled with the valve.
WIRING DIAGRAMS
ON-OFF Connection 3-point Connection
REPLACEMENT OF 3-POINT ON/OFF MV T28/44
ATTENTION! In the 3-point ON/OFF MVT28/44 actuators to be replaced, the common wire is white, while in the new actua-
tors it is BROWN (look at the scheme above).
INSTALL ATION
Use manual override to set the spindle in the installation
position.
www.ismacontrolli.com
iSMA CONTROLLI S.p.A. - Via Carlo Levi 52, 16010 Sant’Olcese (GE) - Italy | [email protected]
page 2DIM232en | 1st Issue rev. 1 | 07/2022
MVTxxxS MVTxxx
Set the actuator spindle in the retract position. Align actuator spindle slot with the hole in locknut (A) , se-
cure with bolt (B) through non threaded hole in locknut (A)
/