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8. Use + to select the days
the event runs.
• ALL - all seven days of the
week
• M-F - Monday through Friday
• WKD - Saturday and Sunday
• Individual day - select: SUN, MON, TUE, WED,
THU, FRI, or SAT
9. Press ON/OFF to confirm. The display reads
SAVE, then flashes the event number to indicate
the event is saved.
Note: To continue programming events, use + to advance to
the next event number, then repeat steps 3 through 9.
Selecting Operating Modes
AUTO
Timer operates per your programmed
schedule of ON/OFF events.
RAND
Timer operates your schedule at +/- 15
minutes from the programmed time.
MAN
Operates like a manual ON/OFF switch,
disregards any programmed events.
Note: To set the timer to recognize your programmed
events, press MODE to scroll to AUTO or RAND only.
Reviewing/Changing Clock Time,
Calendar, or Astronomic Settings
Repeat the steps under "Initial Setup" to review and
make setting changes, as needed.
Changing Events
1. Press MODE until PGM
appears on the display.
2. Press ON/OFF to confirm.
An event number flashes.
Use + to find the correct
event number.
3. Press ON/OFF to confirm.
• To change the ON/OFF
status of an event, use
+ to select the event type.
– ON - sets a previously
OFF event to ON
– SKIP - suppresses the selected event so it
is not initiated by the timer. This is helpful for
unusual programming needs, like vacation
settings.
– OFF - sets a previously ON event to OFF
• To update an existing setting, press ON/OFF
until the setting to be updated displays.
– Press + to adjust the setting.
4. Press ON/OFF to cycle through the program until
the display reads SAVE.
5. Press MODE to exit the programming menu.
INSTALLATION
1. Disconnect the power at the service panel.
2. Remove wall switches, if applicable.
3.
Strip the existing wire ends
7/16"
to 7/16".
4. Wire the timer into the wall box.
An example of single-pole and three-way wiring
follow. For other three-way wiring scenarios, go
to www.intermatic.com.
Single-Pole Wiring
Wire A
Wire B
Line
Timer
Wire D
Wire C
120 V
Load
Neutral
A
Black — Connects to the hot (black) wire from the
Power Source
B
Blue — Connects to the other wire (black) from the
load
C
Red — This wire is not used in single-switch
installations. Cap with a twist connector
D
Green — Connects to the supplied ground
Three-Way Wiring
Note: The distance between the timer and the remote
switch must not exceed 100 feet.
The wiring shown is for a timer replacing a three-way
switch at the line side. For other installations, visit
www.intermatic.com
or consult a qualified electrician.
Wire A
Wire B
Line
Wire E
3-Way
Timer
Switch
Wire D
Wire C
120 V
Load
Neutral
A
Black — Connect to the wire removed from the
"COMMON" terminal of the switch being
replaced
B
Blue — Connect to one of the other wires removed
from the switch being replaced. Record the
wire color connected to the blue wire for use
during load-side installation
C
Red — Connect to the remaining wire removed from
the switch being replaced. Record the wire
color connected to the red wire for use during
load-side installation
D
Green — Connect to the supplied ground
E
Jumper Wire — At the other three-way switch, install
the supplied jumper wire between
wire B and the common terminal
Finalizing Installation
1. Make sure the provided twist-on wire connectors
are secure, then tuck the wires into the timer wall
box, leaving room for the timer.
2. Using the provided screws, secure the timer to
the wall box.
3. Cover the timer with the wall plate and secure
using the provided screws.
4. For three-way wiring, install the remote switch in
wall box. Cover the switch with the wall plate and
secure.
5. Reconnect the power at the service panel.
TESTING THE TIMER
Make sure the timer displays MAN MODE during
testing.
Single-Pole Wiring Test
To test the timer, press ON/OFF several times. The
timer should "click" and the controlled light or device
(load) should turn ON or OFF.
Three-Way Wiring Test
1. To test the timer, test with the remote switch in
each of its two positions.
2. Press ON/OFF several times. The timer should
"click" and the controlled light or device (load)
should turn ON or OFF.
3. If the timer clicks, but the load does not operate:
a. Disconnect the power at the service panel.
b. Re-check your wiring and make sure the load
is functional.
c. Reconnect the power at the service panel.
d. Retest.
4. If the timer clicks, but the load only operates
when the remote switch is in one of its two
positions, repeat Step 3, a-d, but interchange the
two traveler wires (wires between the timer and
the remote three-way switch) connected to the
red and blue timer wires.
Note: Consult a qualified electrician if the switch and timer
fail to operate as intended.
5. When the timer "clicks" and the controlled
device turns ON and OFF as appropriate,
congratulations, the timer is successfully installed!
Enjoy your new timer!
TROUBLESHOOTING
Observed Problem Possible Cause
What To Do
Timer display is
Battery is missing,
Attempt to
blank and the timer
has no charge, or was
reinsert the
does not "click"
installed incorrectly.
battery. If the
when the ON/OFF
problem persists,
button is pushed.
insert a fresh
battery.
Timer does not
Timer is not set in
Press MODE
switch ON/OFF
AUTO, RAND, or MAN
to select the
but display looks
mode.
operational
normal.
mode you want
to use.
Timer resets to
Timer is installed in
Install a line
12:00.
conjunction with a
filter.
contactor or motor
load.
Timer won't enter
No schedule is
Define a
Auto or Random
selected.
schedule of
mode when you
events.
press Mode.
Timer switches
The active schedule
Review the
at incorrect times
has a conflicting
settings and
or skips some of
setting.
revise them as
the programmed
necessary.
times.
Timer is in Random
Select the Auto
mode, which varies
Mode.
switching times up to
+/- 15 minutes.
The Astronomic and
Review your
Defined switching
program settings
times are in conflict,
and revise them
your DST may or may
as necessary.
not be turned on, and/
or your Astronomic
Zone is not set to
Center, North, or
South.
Note: Your timer
automatically skips
any conflicting ON
event as summer
approaches to prevent
unwanted operation
of lights or other
controlled devices.
Switching inductive
Add a noise
loads, such as
filter e.g., ET-NF.
electrical contactor or
Connect filter
motor load.
across load's
coil.
Load only operates
The remote switch is
Recheck the
when the remote
wired incorrectly.
wiring,
(three-way) switch
especially for the
is in one position or
jumper.
the timer ignores
the remote switch.
TROUBLESHOOTING (CONT.)
Observed Problem Possible Cause
What To Do
The timer ignores a
• The remote switch
Contact a
three-way remote
or timer is wired
qualified
switch even though
wrong.
electrician.
it is wired correctly
• There is an
or the load turns
excessive length of
off immediately
wire (greater than
after being turned
100 feet).
ON.
• There is buried
wire to the remote
switch.
• The remote switch
is not functioning
properly or worn out.
The battery tray is
Battery is not seated
Seat the battery
difficult to replace.
in the tray.
in the tray, then
• The tray is
reinstall.
misaligned.
• The contact tabs of
the tray are bent
The timer operation
Though the "BATT"
Replace the
is sluggish or not
message is not being
battery. To test
switching
displayed, the battery
the battery,
ON/OFF at all.
is getting weak.
press the ON/
OFF button. The
timer should
"click."
Timer shows ON
The light or controlled
Make sure
but the light or
device itself may be
the light or
other controlled
switched OFF.
controlled device
device is OFF.
is switched ON
and plugged in.
Note: When installing a timer with either a contactor or
motor load, a line filter is recommended.
LIMITED WARRANTY
For detailed warranty information, refer to the
Intermatic website at www.intermatic.com, contact
Intermatic by mail at Intermatic Incorporated
Customer Service / 7777 Winn Rd., Spring Grove,
Illinois 60081–9698, or by phone at: 815-675-7000.
158--01934
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