Intermatic EI500 Series Installation And User Instructions
Electronic
7-Day
In-Wall
Time Switch
• All Ratings 125 VAC, 60 Hz
• 15A / 1875W Resistive / Heater
• 15A, General Purpose
• 8A / 1000W Tungsten
• 8A / 1000VA Inductive / STD Ballast
• 500 VA Electronic Ballast
• 1/4 HP Motor
Installation and User Instructions
MODEL EI500 Series
• 7-Day Control Schedule
• Up to 7 ON and 7 OFF Events per day
• Works with multiple load types including: incandescent,
compact fluorescent, HID, motors, and heaters
• Available in White, Ivory, and Light Almond
Ratings
Features
1. Remove wall plate and disconnect
existing light switch.
2. Make sure both “hot” and neutral
wires are present in the junction
box. If both wires are not present,
additional wiring will be necessary
before installation can be com-
pleted.
3. Connect red timer wire to wire from
fixture using wire connector.
4. Connect black timer
wire to the “hot” (usu-
ally black or red) wire in
junction box using wire
connector.
5. Cut white
wire in
junction
box (or open splice) and
strip ½” of insulation on
both wires.
Installation Instructions
• Black = Line
• White = Neutral
• Red = Load
• Green = Ground
Leads
6. Connect white timer wire to white wires in junction box
using wire connector.
7. If the wall switch you are replacing had separate grounding
conductors connected to the GREEN screw on the switch,
make sure to connect these to the green wire from the
timer with a wire connector.
8. Check that all wire connections are secure.
9. Place all wires inside junction box.
10. Fit timer into junction box and install using two (2) mount-
ing screws (furnished).
11. Reconnect the electrical power.
Setting the Clock
1. Press and HOLD the CLK (Clock) button.
2. Press the DAY button until the display shows the current
day.
3. Press the HOUR button until the display shows the current
hour.
4. Press the MIN (Minute) button until the display shows the
current minute.
Setting Programs
1. Press the PROG (Program) button once. The
display will look as shown at the right.
You will now set up the time in which you
want your device turned ON.
The number 1 in the lower left hand corner
indicates that you are now programming
EVENT 1.
2. Press the DAY button repeatedly until the display shows the
day(s) when you want the timer to turn on. The options are:
- All days of the week (MO TU WE TH FR SA SU)
- Individual days of the week (MO etc.)
- Weekdays only (MO TU WE TH FR)
- Weekends only (SA SU)
3. Press the HOUR and MIN (Minute) buttons
to set the time when you want the timer to
turn on.
4. Press the PROG (Program) button again. The
display reads as shown at the right.
• Turn off power at circuit breaker and test that power is off before
wiring.
• Follow local electrical codes during installation.
• Connect to copper conductors only.
WARNING
• No user-serviceable parts.
• The internal battery requires up to 30 minutes to charge. If the
battery is not charged and power is lost, schedule information
may have to be re-configured.
NOTICE
Risk of Fire or Electric Shock