Question about Intermatic K4221C Photo Cell Control 120 V 50/60 Hz. 1800 Watt "T" Swivel M

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Our k4221c photo cell does not properly control the outdoor lights as the lights come on earlier in the evening and turn off later in the morning; sometimes the lights are on all day long during rainny days. This problem has caused bulbs burned out fast (the bulb we are using is a "click on" design not the regular "screw" bulb). We have some electricans came to adjust the photo cell and then replace it with a new one, but the problem is not resolved. Could you please let us know how the problem should be addressed. Thanks.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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protek480
  • 1714 Answers

SOURCE: Describe your Intermatic K4221C Photo Cell Control

It may be your location for the photo cell. There is a cover on the cell in most cases that slides up and down to let in light. Or you may try turning it in a little different direction to get more light.

Posted on Jun 27, 2009

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  • 3 Answers

SOURCE: One of my five EJ500C timers controls 6 outdoor

The EJ500C is designed only for standard incandescent lights, not chandelier bulbs, CFLs, etc. Replace it with the ST01C, and you'll be fine. Intermatic may even exchange it for you if you if you complain to them.

Posted on May 02, 2010

SOURCE: Utilitech model 0141224 wall switch

As luck would have it I'm 60, and learned how to program your 0141224 wall switch timer.
You can see instructions with big print and pictures on following page.
Press CTRL key on keyboard and use scroll wheel on mouse to make web print bigger.
http://waterheatertimer.org/Program-wire-Utilitec-LW60418.html

Add a comment any time.

You have wired your timer correctly and the lights turn on when you push on-off button.
If lights do not turn on, we need to review the wiring.
Your timer looks like photo below.
geno_3245.gif

I'm going to parrot back the manual with some extra words.
To start, press the reset button and clear any programming

Programing overview:
Each program has ON time ... and OFF time
So you set program1 ON and then set program1 OFF
When you set program1 ON, you choose the Day, hour and minute you want program1 to turn ON.
And then you set program1 OFF, and choose Day, hour and minute for program1 to turn OFF.
Your ON-OFF times for program1 should be on same days.
For example program1 ON for all-days-of-the-week, but program1 OFF is for TU Tuesday, then timer will not work.
IN this case, program1 OFF should also be set for all-days-of-the-week.
Let's start.

Setting the clock:
Press and hold CLOCK button
Keep holding CLOCK button and press DAY button until display shows current day (MO TU WE TH FR SA SU)
Press Hour button until current hour with am pm displays
Press MIN button until current minute displays.
Release clock button and current day and time show on display
At no other part of instructions do you press and hold one button while pressing other button.

Setting programs:
Press PROG button until "1" and 'ON' show on display
This is program1 ON
Press DAY button to choose which days for program1 ON.
You can choose: all-days-of-the-week and MO TU WE TH FR SA SU show on display
Choose individual days and MO or TU etc shows in display
Choose weekdays MO TU WED TH FR
Weekends SA SU show in display
Next step
Press HOUR button to select hour for program1 ON
Press MIN to select minute for program1 ON

Now program1 ON is ready, next, you will set program1 OFF

Press PROG button until "1" and 'OFF' shows on display
This is program1 OFF
Press DAY button to choose which days for program1 OFF.
( Remember, you want same days for ON and OFF)
Press HOUR button to select hour for program1 OFF
Press MIN to select minute for program1 OFF

Now program1 ON and OFF are ready, next, you will set program2 ON by repeating same steps above.
You can set up to 7 programs.
If you don't want to set program2, or any more programs, that's fine.

To exit programming and save your program, press CLOCK.
Now current time shows in display.

Final step: set MODE
Press MODE button until AUTO shows in display. You want AUTO for programming to operate lights. That's it, timer is ready.
If you're going on vacation, press MODE button until RDM shows in display, and then timer turns lights on-off at random

Copy and save these instructions to your computer so you have them next year.

Posted on Dec 05, 2010

heatman101
  • 43501 Answers

SOURCE: k4221 photo cell keeps light

Hi,
The switch in the photo-eye is bad and has welded together...
you will need to replace the photo-eye...

heatman101

Posted on Dec 25, 2010

SOURCE: I would like a wiring diagram for an outdoor

If I understand correctly, you want to add a photocell to existing receptacle.

Start by looking at receptacle:
Receptacle has 3 different colored screws.
Green screw for bare ground wire
Brass screws with black Hot wire connected.
Silver screws with white Neutral wire.

How to wire photocell to receptacle.
Remove black Hot wire off of brass screw and connect black wire to photocell-black wire. This will power the photocell switch.
Connect photocell-red wire to brass screw on receptacle. This will turn receptacle on-off whenever photocell switch turns on-off.
Connect photocell-white wire to silver screw, and this will complete circuit to photocell switch so the switch is able to operate.
All white Neutral wires are connected to silver screws.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on circuit or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on Feb 08, 2011

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1 Answer

The lights it is supposed to control, do not turn off. I took a small flashlight and sat it on the control eye and the lights went off. Is there a way to fix, or do I need to replace? Rod


I have never been able to repair photo-eyes.
Suggest your replace.
Usually I buy photo eye from Home Depot, then when it goes bad 2-5 years later, I buy another and return bad one in new package if it still looks new.

Take photo of wires before disconnecting so it goes back easy.
Wires are color-coded, and colors standard.
Be sure to stand on completely dry boards with nothing touching metal when working with outdoor electricity.

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you via e-mail while you work on circuit or any do-it-yourself project.
Fixya is always less expensive than a service call.

Feb 21, 2011 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

Wireing diagram do not no were thay go three wires


K4221C photo cell page at Intermatic:
http://www.intermatic.com/products/photo%20controls/commercial%20%20industrial/stem%20%20swivel%20mount%20-%20thermal%20type.aspx

Photocell has black, white and red wires on photocell.
Black goes to Hot from breaker.
White goes to Neutral from breaker box
Red goes to Load (light)

Electricians don't guess, they test.
You should have one wire coming from breaker box, and another set of wires going to light.
Separate wires for testing.
Since you are outdoors, stand on dry boards and tape tester leads to wood sticks to keep hands away from power.
Turn power ON
Test each wire to bare ground wire.
Tester lights up on hot wire. This wire should be black.
Hot wire connects to photocell black

Hot is identified.
Test Hot wire to all wires except bare ground.
Tester lights up on neutral. This wire should be white.
Neutral wire connects to photocell white

Now the other cable goes to Load. This cable has a black and white wire.
Connect photocell red to black Load wire
Connect white Load wire to Neutral, along with photocell white.

Ground wires are twisted together.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on any do-it-yourself project.
Fixya is always less expensive than a service call.

Jan 11, 2011 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

K4221 photo cell keeps light on day and night whether the suns our or not.


Hi,
The switch in the photo-eye is bad and has welded together...
you will need to replace the photo-eye...

heatman101

Dec 25, 2010 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

How to program a intermatic outdoor timer/photo control hb51rc


http://www.intermatic.com/products/timers/consumer%20outdoor%20timers/electromechanical%20timers/hb51rc.aspx


1. Turn dial selector to the "off" position and
plug timer into three conductor outdoor outlet.
2. Turn dial selector to timing interval
desired (i.e., 2 Hrs, 4 Hrs, 6 Hrs, 8 Hrs,
dusk to dawn, etc.).
3. Plug outdoor lights into Easy-Setâ„¢ Timer -
lights will turn on automatically at dusk.
4. Lights turn off 2 4 6 or 8 hours later
depending on dial selection

Dec 07, 2010 | Intermatic Outdoor Timer/Photo Control...

1 Answer

When l hook the K4221C up the lite stays


SO do you have the black to line, white to neutral, and red to load (light)? there is a delay on the photo cell when you first power it up it should come on. If you don't connect the neutral it won't work.

Mar 20, 2010 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

What does the red wire attach to for a k4221 photo control?


The power wire coming into the control has a black, white and copper (ground) wire. Hook the balck wire to the control black, All the gound wires hook together, all the white wires hook together, then hook the red wire to the black of the light that you want to turn off and on.

Nov 13, 2009 | Intermatic K4221C Photo Cell Control 120 V...

1 Answer

Describe your Intermatic K4221C Photo Cell Control


It may be your location for the photo cell. There is a cover on the cell in most cases that slides up and down to let in light. Or you may try turning it in a little different direction to get more light.

Jun 19, 2009 | Intermatic K4221C Photo Cell Control 120 V...

3 Answers

Light hooked to Intermatic K4221 photo control doesn't turn off


Photo cell is designed to fail in the on condition.....replace photo cell.

Mar 26, 2009 | Intermatic K4221C Photo Cell Control 120 V...

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