Programming a noma outdoor timer model #n1507 model# n1507 125volts 60hz 1875 watts 15a made in Canada, bought in 1999, I have lost the program manual could you please sent any information you have on this item. KMc

They make dozens of timers and programming is different on each. If it is outside decoration timer, or a sump heater timer, look for tiny embossed instructions on the back of it.

Google

Noma (model number) instructions.

https://www.google.com/search?q=I+program+a+Noma+thermostat

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How to program Noma Outdoor Timer model 052 8873 0 49887

I believe this is a manual for your device. It looks pretty simple to do what you want. In Timer mode press the Day button until you see MO-SU

http://www.thenccusa.com/pdf/pguide/28015.pdf

Timer is not identified.
Noma is generic brand name used by different sellers to denote that product is a timer.
Noma is generally associated with Woods timers.
1875 is usually the watt rating for heavier duty timers, like 2 button block heater timers, etc.

1) Add a comment and describe timer in detail, and include photo of timer posted on Flickr for possible identification.

2) Open following link to find same-similar timer
http://waterheatertimer.org/Woods-timers-and-manuals.html#outdoor

See woods timers and manuals to identify your timer
add a comment any time
http://waterheatertimer.org/Woods-timers-and-manuals.html

You posted under N1507 which is 1825 watt outdoor timer
I don't have a photo for that timer
http://waterheatertimer.org/pdf/N1507-programmable-outdoor-timer-manual.pdf

Link show all Woods timers and manuals.
Noma is one name used to market Woods timers
Woods N1507 is also 49565
ttp://waterheatertimer.org/Woods-timers-and-manuals.html

Woods N1507 manual
http://waterheatertimer.org/pdf/N1507-programmable-outdoor-timer-manual.pdf

Add a comment if this manual does not match your timer.

Noma is Woods timers.
See all Woods timers and manuals
http://waterheatertimer.org/Woods-timers-and-manuals.html
Add a comment any time

Your timer could be Woods/Noma N1502
http://waterheatertimer.org/pdf/Woods-N1502-manual-english.pdf
Coleman 2001
http://waterheatertimer.org/pdf/Woods-2001-49647.pdf
Woods 13660
http://waterheatertimer.org/pdf/Woods-13660.pdf
Woods 59730 yard stake:
http://waterheatertimer.org/pdf/GE-15107-outdoor-timer-manual.pdf
Coleman/Woods 13547 yard stake
http://waterheatertimer.org/pdf/Woods-13547.pdf

Woods timers are shown on this page:
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https://www.ccixpress.com/webapp/wcs/stores/servlet/ColemanProductGroupView?catalogId=10101&storeId=10051&productGroup=Lighting%2FTimers%2FControls&langId=-1&bu=&channel=%24&customer=

Scroll down to bottom of page where it has links to indoor and outdoor timers ... open those links to find your timer ... site has pdf manual for each product listed.

If you still have a problem, re-post question with specific model and type of timer.

I would like to figure out out to program my NOMA photo electric switch Model Number N 1502

Use the top button to adjust the current time & then push the bottom button once to save. Next is the time you want the lights to turn on & push bottom button once to save. The last setting is the time you want the lights to turn off. Don't forget to use the . (period) indicator for the pm setting. (I had the same problem and had to search the net to find someone else who had posted the instructions.)