Question about Intermatic Inc. EJ500C Digital Wall Switch Timer - Self-Adjusting Feature

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Need a wiring diagram for installing a EJ500C in place of a 3-way

Have 2 3-way switches need to replace one with a EJ500C timmer

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Locate the COMMON wire
connected to first old switch.
It might be attached to a different
colored screw, or find
markings on old switch.
Connect BLACK wire from
switch timer to COMMON
wire, using a twist connector.
Connect the other two wires from the old switch to either the
BLUE and RED wires from the switch timer.
Connect the ground wire from the box to the BARE COPPER
wire on the switch timer. If there is no ground wire, ground the
switch timer to the box. If the box is plastic, connect the bare
copper wire to ground as supplied or contact an electrician.
Locate the COMMON on the second old switch of the 3-way pair.
Connect jumper wire (supplied) from the COMMON terminal
to either of the other terminals on the remote 3-way switch.
Make sure all twist connectors are tight.
Tuck wires into wall boxes leaving room for the devices.
Mount the devices into the wall boxes, then install the wall plates.
Turn power back on at the service panel.
Make sure the switch timer displays “MAN” mode. Do the following
test with the remote switch in each of its 2 positions:
Press the NEXT ON/OFF button on the switch timer several
times. Each time that you push the
NEXT ON/OFF button, the
switch controlled light or device (the “load”) should turn on
or off. If so, proceed to Section 3.
If the timer display changes between ON and OFF but the
load does not operate, re-check your wiring and make sure
the load is functional.
If the timer display changes
between ON and OFF but the
load only operates when the
remote switch is in one of
its 2 positions, you need to
turn off the power at the service panel, change the jumper
wire to the other terminal. Then turn power back on at the
service panel and repeat. good luck

Posted on Jan 21, 2009

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I need to replace the power switch on a Lifestep 9500hr and I need the wiring diagram


1) you do not need any wiring diagram for to this.

2) Since you will not find any wiring diagram for your treadmills, only if you pay for service manual at your company dealer.

3) I can recommend you very easy: the following.a)buy the switch to radio schack.

b) Put in your machine c) desolder one wire and put in the same place in the new one swithc and go on, and ready.

Anyway see the block diagram for your information.

sincerely.

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12_17_2011_8_49_18_pm.gif

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1 Answer

Flickering bulbs


You posted under EJ500 Intermatic battery-operated timer.
If you have different timer, add a comment.
I have tested EJ500 timer.

A) If this is new single-pole installation and lights click on-off when timer turned on, then you connected red wire where blue wire should be connected.

Manual says for single pole switch:
Timer-black-wire to Hot; Timer-blue-wire to Load (lights)
Here's how to wire timer correctly:
1) Timer-green-wire connects to bare ground wire.
2) Switch has 2 wires. Take switch wires and connect them to timer-black-wire and timer-blue-wire. Choose either one for now.
3) Put wire nut on red wire.
4) Turn on electricity, and push ON-OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-blue and timer-black wires.

B) If you are replacing 3-way switch, view wiring diagrams shown on link below, and then add a comment saying exact color of wires. To wire this timer for 3-way can require additional wire between switches. This is because EJ500 blue wire must always go to Load (light, fan, motor)
http://waterheatertimer.org/ST01C-program.html#EJ500-wire

C) If this is older timer that stopped working, check your bulbs. Then check timer battery. Manual says if timer stops working and bulbs are good, and battery good, then reset timer and reprogram. How to reset timer. Press reset button while holding down Next/ON-OFF button.
EJ500 manual has long list of programming instructions: Add a comment if you forgot parts of programming.
EJ500 manual
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/ej500c%20-%20english.ashx

Nov 28, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

What color plug where i ve got three colors blue,red,black


If I understand correctly, you are replacing a switch with the EJ500 timer.
You mention a 'plug'

The EJ500 has 3 wires: Black Red Blue.
If you are replacing a single-pole switch:
The switch has 2 wires, one of these wires is the Hot-from-breaker and the other wire goes to Load:
Timer-black connects to Hot-from-breaker.
Timer-blue connects to wire-going-to-Load.
Timer-red wire is capped off. Red is not used for single pole switch.
If you connect wires and your lights blink, then you put the red wire where the blues wire should go.
If you connect wires and lights do not operate, try reversing the blue and black wires.

I posted images of EJ500 wiring (the Intermatic EJ500 and ST01C have identical wiring
http://waterheatertimer.org/ST01C-program.html#ST01C

If you are replacing a 3-way switch, the wiring is more complicated.
The EJ500 can not replace a 3-way switch wire-for-wire.
Diagrams on link above show wiring for 3-way.
Add a comment if you need more help.

Nov 10, 2010 | Intermatic EJ500C - Indoor Digital Wall...

1 Answer

Similar issue as above. I have a two-switch wall box. I want to replace one switch with a timer. The swtiches control separate lights and are part of a circuit with other lights, but they are not 3 way...


the black wires that are pigtailed are your hot and the red that is seperate is the switch leg. It will not be hot until you have it connected to a switch or the timer

Sep 29, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

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Try this:  http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/ej500c%20-%20english.ashx

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GE side by side freezer not working - ice buildup


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