Tork SS721Z Programming Instructions

PROGRAMMING INSTRUCTIONS
CAUTION
Before wiring and servicing, power
to this time switch and the equipment
it controls must be turned off at the
main panel.
WARNING
Unit must be properly grounded to
operate correctly.
RATINGS
• 120/277VAC 16A, 1920/4432W Resistive
• 120/277VAC 13A, 1560/3600VA Ballast
• 120VAC 8A, 960W Tungsten
• 120VAC 1 HP
A DIVISION OF NSi INDUSTRIES, LLC
SS721Z
SS721ZA
SS721Z SMART TIMER
INSTALLATION
1. Connect black and blue wires as shown in the diagram.
Cap the red wire.
2. Connect the mounting strap green wire and timer green
wire to the ground wire.
3. Mount the timer inside electrical box using 2 mounting
screws provided.
4. Install cover plate.
5. Turn power on at the electrical panel.
RETROFITTING A SS721Z
TO EXISTING 3-WAY SWITCH
1. Disconnect the second 3-way switch.
2. Connect the timer blue wire to the load. Connect the timer
black wire to "Traveler A" and the timer red wire to
"Traveler B".
3. Connect the mounting strap green wire and timer green
wire to the ground wire.
4. Mount the timer inside electrical box using 2 mounting
screws provided.
5. At switch #1 connect a wire between the hot leg of the
3-way and "Traveler A" inside of that switch's gang-box.
6. Install cover plates.
7. Turn power on at the electrical panel.
FOR TECHNICAL SUPPORT: SOUTIEN TECHNIQUE : PARA COMUNICARSE CON EL SERVICIO TÉCNICO: techsupport@nsiindustries.com 877.230.7874
LI-835