Submittal Sheet

14 ¤Copyright 2010 Schneider Electric All Rights Reserved. F-27170-6
Installation
1. For Normally Open 2-Way and Normally Open A to AB 3-Way (Mx4D-7xxx)
Verify that the valve is in the open position (A to AB open on 3-way valves). This posi-
tion of the ball opening is indicated by the index mark on top of the shaft.
For Normally Closed 2-Way and Normally Closed A to AB 3-Way (Mx4D-8xxx)
Verify that the valve is in the closed position (A to AB closed on 3-way valves). The
position of the ball opening is indicated by the index mark on top of the shaft.
Figure-15 Unacceptable Mounting Orientation.
0˚0˚
180˚
90˚90˚
180˚
4
5
3
1
2
6
Index Mark on
Top of Shaft
=
2-Way
Closed
(Fully CW)
Outlet
Inlet
Outlet
Inlet
Open
B Full Open to AB
(Fully CW)
AB
A
AB
A
A Full Open to AB
3-Way Mixing
Figure-16 Installation of Mx4D-xxxx-xxx.