ELEKTROGAS – MANUALE TECNICO
2-10
MB
MZ
Servomotors
Contents
Description ………………………………………….. 2
Features ……..……………………………..……….. 2
Application .……..........................…………………. 3
Technical specifications .………………….……….. 4
Operation MB ........................................................ 5
Operation MZ ........................................................ 5
Manual mode
...................................................
6
Automatic mode
7
DIP chart
x
Operating states
x
Ordering information …..…………………………… x
Standards and approvals ………………………….. x
Description
Servomotors MB/MZ are designed to operate VF and VFH butterfly valves, used in three-stage
control (MB) or with electronic positioning control (MZ), of gas and air flow in combustion
processes.
Features
DC motor with multi-stage spur gearbox.
Status LEDs and position indicator of the motor visible externally.
Provided with four cams with double adjusting screw (adjustment tool included in the housing).
Two switches for manual adjustment of the position.
Two switches to memorize minimum and maximum position (MZ).
Analogue input and output signals for electronic positioning (MZ).
Very high positioning precision.
The same unit is suitable for 230-110-24V.
Adjustable opening time from 7 up to 60s.
Provided with connection for external programming terminal (MZ).
Its sturdy and functional design allows a fast and easy installation, and it is practically free of
maintenance.
WARNING
This control must be installed in compliance with the rules in force.
