Stewart Filmscreen Corp B Installing the low-voltage 3-button switch standard

Installing the low-voltage 3-button switch (standard)

The Stewart Filmscreen low-voltage control allows the use of low-voltage wire to connect to the supplied 3-position 24V momentary wall switch.

Preparing the connection

Before making the electrical connections, you need:

KAn available 120V AC constant power source

KA 4-conductor switch hook-up cable (4-conductor bell wire or category 5 cable is typically used for long runs)

Making the connection

Figure 2 illustrates the connections.

1.Remove the J-box covers, using a standard screwdriver.

2.Connect the 4-conductor cable to the connection harness coming from the J-box used for switch input, via an electrical knockout.

3.Connect the hookup cable to the 3-button switch.

4.Connect the main 120V AC power source to the the J-box used for the main AC power connection, via an electrical knockout.

5.Replace the covers on the J-boxes.

6.A parallel connection to an outboard audio-visual switching network can be made at this time. (optional)

J-box for

Switch Input Note: There are three perforated electrical knockouts

NEUTRAL-White

HOT-Black

GREEN-Ground

J-box for	on each J-box; any can be used
	to make the connection.
Power Input
	STOP-Yellow
	COMMON-White
	UP-Red
	DOWN-Black

4 Conductor Hook-up Cable - 20ga Minimum Category 5 recommended (NOT Supplied)

3-button Momentary

Figure 2: Low voltage 3-button switch wiring

Switch

Model B & Model C Electriscreens: Owner’s Manual 7