Specification
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Energy Controls
Diagrams
EI500 Series
Specification
The time switch shall be a solid state electronic control, capable of permitting 7 ON and 7 OFF events to be distributed
through a 7-day time period. The time-of-day and events shall be programmable to the nearest minute with a minimum
ON duration of 1 minute and a maximum ON duration of 6 days, 23 hours, 59 minutes. The timer shall have a backlit
digital LCD readout to show day-of-week and time-of-day using a 12-hour AM/PM indicator. The time switch shall
provide a manual override control for both temporary and permanent overrides. The time switch shall operate over a
temperature range of 32°F to 122°F (0°C to 50°C). An internal rechargeable battery shall protect program information and
time-of-day for a minimum of 36 hours. Switch conguration to be SPST, with a UL listed rating of: 120 VAC, 60 Hz; 15
Amp Resistive, 120 VAC, 60 Hz;
1
⁄4 HP, 120 VAC, 60 Hz; 8.3 Amp Tungsten, 120 VAC, 60 Hz; 8 Amp Ballast, 120 VAC, 60
Hz; 500 VA Electronic Ballast. The timer must t a standard wall box and accept a rectangular decorator wall plate. The
timer contacts shall make or break current according to user adjustable program.
The timer shall be Intermatic model________________(Ivory - EI500C)(White - EI500WC)(Light Almond - EI500LAC).
LOAD
NEUTRAL
RED
GREEN
GROUND
GROUND
(NEUTRAL)
BLACK
(LINE)
HOT
WHITE
LOAD
Installation Diagram
Model Number Switch Clock Voltage Max Wattage Neutral Required Color
EI500C Single-Pole 120 VAC, 60 Hz 1800 Yes Ivory
EI500WC Single-Pole 120 VAC, 60 Hz 1800 Yes White
EI500LAC Single-Pole 120 VAC, 60 Hz 1800 Yes Light Almond