6
Stewart Filmscreen Corporation
Installing the high voltage switch control
A standard 3-position AC wall switch is supplied. The high-voltage control is
connected to standard wall jack that is installed near the unit. The switch
alternates directions of screen motion by means of the hot lead, using the
3-position switch.
Preparing the connection
Before making the electrical connections, you need:
An available AC constant power source
A 4-conductor romex or motor connector cable
Making the connections
Figure 4 illustrates the connections.
1. Connect the wall switch to the AC constant power source.
2. Connect the wall switch to the screen unit’s electrical box.
Figure 4:
High voltage control wiring diagram
Screen Switch
AC Power
Source
DOWN-Black
UP-Red
Line (Hot)
COMMON-White Neutral
GROUND-Green