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I bought a Rhomberg dhc 15a digital timer. How do I wire it and also how do I program it. I have connected it but it does not seem to switch on.

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How can i connect a timer switch hager EH 010 to three phase DOL startor. the startor is using for 7.5 HP motor


Copy following links for installations:
http://waterheatertimer.org/How-to-program-Hagar-timer.html#wire
http://waterheatertimer.org/images/EH-010-timer-wiring2.jpg
http://waterheatertimer.org/images/EH-010-timer-wiring.jpg
http://waterheatertimer.org/How-to-install-3-phase-timer.html

EH 010 timer is rated 16 amp max.
Typically this timer is connected to 12-14 gauge wire
Typical 3-phase 7.5 Hp motor draws 22 amps at 230volt and probably connected to 30-40 amp breaker and size 10-6 wire.

Timer and wire to timer must be fuse-protected with 15a bus fuse or line fuse or fuse block, and cannot be directly connected to 30-40 amp line.

Add comment as needed.

Apr 18, 2013 | Hardware & Accessories

1 Answer

I put in a Utilitech 01411224 timer.Can the timer be set to come on at 9;00pm off at 6;00 am each day? Do you need to hook up the ground?


Open following link for programming and wiring instructions:
http://waterheatertimer.org/Program-wire-Utilitec-LW60418.html

Yes, the timer can be programmed to turn on at 6am and off at 9pm all days of week.
The ground is not necessary for timer to function, however other wiring has to be correct, and white wire connects to neutral, black wire connects to Hot, and red wire connects to wire going to switch.
Timer replaces single-pole light switch only and cannot be used for 3-way switching.

Jul 19, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

2 switch system. 2 black wires and 1 red wire in the switch. I have hooked up black wire from the switch to the red wire in the box. green wire from switch to black wire from the box and red wire from the...


You posted under ST01C and are wiring timer to replace 3-way switch.
Open following link for specific illustrations:
http://waterheatertimer.org/ST01C-program.html#ST01C
http://waterheatertimer.org/pdf/ST01C-explanation.rtf

1) The timer replaces one of the 3-way switches. The other 3-way switch remains, but must be rewired.
2) The timer must replace the 3-way switch that receives power from breaker box. It cannot replace the other 3-way switch. This is because the timer Black wire must always receive power.
3) The timer blue wire must connect to Load (light)
4) The ST01C red wire is only used when wiring for 3-way.
5) When the red wire and blue wire are connected together, they reverse the timer program. When timer red and blue are disconnected, the timer resumes programming. Connecting and disconnecting the red and blue wires is how the timer mimics 3-way operation.
6) The remaining 3-way switch must be wired so it will connect and disconnect the red and blue timer wires. So the remaining 3-way switch has to be rewired to meet specific timer wiring.

Jul 03, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

Bought a Utilitech #0192773 to replace an older and non-working Intermatic SS7 series. The Intermatic had a black wire connected to hot, and a blue wire connected to neutral, and a red wire was capped off...


Utilitec 0192773 replaces single-pole switch and will not work for 3-way applications.

Open following link for clear wiring and programming steps for Utilitec 0192773
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html

Utilitec can also be tricky to program if you are setting up astro dawn-dusk function.

For others finding this thread, same wiring applies to in-wall programmable timers by GE, Woods, Swilight, Sylvania, Tork, Hagar, UPM, Leviton, Grasslin, Wattstopper, Westek, and Intermatic analog timers. Intermatic battery-operated, Brinks and Aube timers are wired differently since they also work for 3-way applications.

Jun 05, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

I have a Intermatic ST01C installed with a 3-way connection. The other day it started "clicking" on-off..on-off..on-off etc. and would not stop till I operated the non-timer switch leg in my...


Wiring could be suspect.
I have tested this timer.

ST01C works like this in 3-way circuit.
Timer program turns lights on-off.
When blue wire and red wire are connected together, then timer reverses on-off program.

So the only function of second 3-way switch is to connect and disconnect blue and red wires on the timer.
The second 3-way switch is wired differently than ordinary 3-way.
See illustration below.
http://waterheatertimer.org/ST01C-program.html#3way

Either the switch or timer have malfunctioned.
My bet is the timer.

1) Replace 3-way switch and see if problem clears up

2) Manual says: reset timer when encountering problems.
Hold down on-off button and push-and-release reset button.
Keep holding on-off until INIT displays.

3) You have to completely reprogram timer after reset.
Link above has ez steps.

ST01C manual:
http://waterheatertimer.org/Intermatic-st01c.pdf

Feb 22, 2011 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

I have a utilitech 7 day in wall digital timer and would like to install it but have no clue how to. can you get me started


You want to install Utilitec in-wall 7-day timer that has 4 wires: red, white, black and green.

You are replacing a single pole switch that controls a light or several lights.
There is not a second switch that controls same lights.

The switch has 3 wires.
Generally there are two insulated wires and a bare ground wire.
Add a comment any time.

Here's what to do:
I have tested these timers for wiring and programming.
Get started and instructions will make sense as you go.
Turn off circuit beaker to switch.
Remove old switch.

1) Timer-green-wire connects to bare ground wire using one of the yellow wire nuts included with timer. Put two wires together so they are even at ends. Put wire nut over wire ends. Rotate wire nut clockwise between fingers until very tight.

2) Switch has 2 insulated wires. Take switch wires and connect them to timer-black-wire and timer-red-wire using two more yellow wire nuts. Choose either one for now. You may have to reverse these two wires in a minute.

3) In back of electric box are white wires twisted together and covered with wire nut. Remove the wire nut, but do not untwist the white wires. Connect timer-white to these wires. Then put original wire nut back over white wires.

4) If electric box does not have white wires described in step 3, then connect timer-white to bare ground, along with timer-green wire.

5) 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-red and timer-black wires from step 2.

If you need help programming 7-day Utilitec timer. Pages have bigger print:
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html
http://waterheatertimer.org/Program-wire-Utilitec-0141224.html

Dec 16, 2010 | Intermatic Inc. ST01C Digital In-Wall...

1 Answer

New switch GE model 15265 ... to light up 2 lightbulbs outside. Old switch all cables are black. Those who light up the tester are the hot=Red/black?? Those which do not light up are white?? Green I know...


Manual for GE 15265
http://waterheatertimer.org/pdf/GE-15265-manual.pdf
15A timer works fine on two bulbs, up to 1440 total watts.

If old switch has 2 screws plus green ground screw, then timer is right.
If old switch has 3 screws plus green ground screw, 15265 doesn't replace 3-way switch.

Timer-green wire connects to bare ground wire

Old switch has 2 screws with wires on each.
One wire is Hot-from breaker and this connects to timer-black wire.
One wire Goes-to-lights and this connects to timer-red wire.
If you get these two wires reversed, timer will not work, so reverse them.
It will not blow circuit if the timer-red and timer-black wires are reversed.

Timer-White wire is the confusing wire for everybody:
Timer-white wire runs clock motor located inside timer.
In back of electric box are neutral white wires that are twisted together and covered with wire nut.
Connect timer-white to these neutral wires.
If box does not have neutral white wires, connect timer-white to bare ground wire.

geno_3245_61.jpg

Nov 13, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

Woods In-wall Timer Heavy Duty, Model #59018 -- I just installed my timer and was able program and set the time, but when I push the manual override button to turn the light on, the light flashes and turns...


Quick answer:
1) Programming steps say 'press clock key to return to current time and day'
2) Use mode button and change between AUTO & RND >> try manual override in each mode
3) Does timer turn lights on-and-off with program, or do they blink too?
4) Swap Black and Red wires
5) Try timer on light in different room, on different circuit breaker
6) Timer might be defective

Longer answer:
Woods 59018 manual does not show troubleshooting steps except 'check wiring; switch Red and Black leads; and/or reset programming'

Seems unlikely you could program timer unless timer is wired correctly ... unless there is a short of some kind.

To review wiring.
Green goes to bare ground wire.
White goes to Neutral white wire (neutral is usually 2 or 3 white wires twisted together and shoved to back of box)
Black must connect to Hot from circuit breaker
Red must connect to Load (light, fan, motor etc)

How to test wiring
:
Disconnect timer and set aside.
Mark each wire
Separate wires in box so they don't touch
Use ordinary tester (you can tape tester leads to wood sticks)
Turn on power
You should have two black wires that were originally connected to switch
Test black wires to bare ground > when tester lights up, that is the Hot wire.
The other black wire goes to Load

Now you want to find the neutral.
Test the Hot black wire to white wires in box.
When tester lights up, that is neutral.

If everything checks out, I guess timer is defective.

Sep 29, 2010 | Woods InWall 7 Day Digital Programmable...

1 Answer

I just hooked up my GE 15071 Smart Timer. When switched on, it continually turns on and off. I then have to switch it off. The box seems hot too. I wonder what could be going on.


What is the load on that circuit? It may be overloaded.Might be related to the switch having other items on the circuit. Try finding out what else is on this circuit. This switch is only rated at 15a general purpose,15a resistive, 15a tungsten Which is only 1,500 watts that would be 10-150 watt bulbs.

Jul 08, 2010 | Intermatic Inc. ST01C Digital In-Wall...

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