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220v timer?

SpatiallyAware

SpatiallyAware

Lifer
I have a friend who has a dryer with a bad timer. They are turning the dryer on and have to remember to turn it off..... A disaster waiting to happen.

A new timer is $100+shipping, more than the value of the dryer.

I've searched for 220v dial type timers, similar to a kitchen timer, with no luck... Turn to 60 min and it shuts off automatically. Any tips on finding one?
 
The problem with those is that they aren't countdown timers....

I'm thinking something similar to a pool light timer, or house fan timer...
 
Just use the "off" markers and set one to an hour from "now" when you use the dryer. Same as a countdown timer.
 
SpatiallyAware said:
The problem with those is that they aren't countdown timers....

I'm thinking something similar to a pool light timer, or house fan timer...
Click to expand...

It sounds like you want a "spring wound" timer like one of these: http://www.grainger.com/Grainger/sp...71&Ns=List+Price|0&itemsPerPage=60&sst=subset

But I don't think you will find a plug-in version of those, so be prepared to do a little wiring.

Alternatively, if you or your friend are willing to do a little work, get a free dryer off of craigslist and steal the timer out of it. I see tons of people dumping old dryers that no longer heat up, but probably still have perfectly good timers.
 
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Paladin3 said:
It sounds like you want a "spring wound" timer like one of these: http://www.grainger.com/Grainger/sp...71&Ns=List+Price|0&itemsPerPage=60&sst=subset

But I don't think you will find a plug-in version of those, so be prepared to do a little wiring.

Alternatively, if you or your friend are willing to do a little work, get a free dryer off of craigslist and steal the timer out of it. I see tons of people dumping old dryers that no longer heat up, but probably still have perfectly good timers.
Click to expand...


Perfect! That's exactly what I'm looking for. I'm fine with wiring it, as it seems like it would be useful for other things once the dryer gives up.
 
SpatiallyAware said:
I have a friend who has a dryer with a bad timer. They are turning the dryer on and have to remember to turn it off..... A disaster waiting to happen.

A new timer is $100+shipping, more than the value of the dryer.

I've searched for 220v dial type timers, similar to a kitchen timer, with no luck... Turn to 60 min and it shuts off automatically. Any tips on finding one?
Click to expand...

Post the make and model number of the dryer while you're at it. Maybe our collective google-fu can return a cheaper replacement part...
 
LTC8K6 said:
Just use the "off" markers and set one to an hour from "now" when you use the dryer. Same as a countdown timer.
Click to expand...

But then you have the dryer coming on the next time the tripper reaches that point on the dial (the next day!).

Those wind down timers won't have sufficiently rated contacts for a 230V residential dryer. That's 5.5kW + (typ 1/3hp induction motor) which is usually wired with 10AWG and protected with a 30A double pole breaker.

You could use a 30A double pole contactor with a 120V coil and THEN use the wind down timer to supply the 120VAC to the coil. Actually with this arrangement anything that will switch 120V will work such as X10 modules, etc. (this is a good way to put an electric water heater on a timer, for example)
 
Rubycon said:
But then you have the dryer coming on the next time the tripper reaches that point on the dial (the next day!).

Those wind down timers won't have sufficiently rated contacts for a 230V residential dryer. That's 5.5kW + (typ 1/3hp induction motor) which is usually wired with 10AWG and protected with a 30A double pole breaker.

You could use a 30A double pole contactor with a 120V coil and THEN use the wind down timer to supply the 120VAC to the coil. Actually with this arrangement anything that will switch 120V will work such as X10 modules, etc. (this is a good way to put an electric water heater on a timer, for example)
Click to expand...

No, you remove/don't use the "on" trippers.
 
LTC8K6 said:
No, you remove/don't use the "on" trippers.
Click to expand...

That could work if using one like this:

http://www.amazon.com/Intermatic-WH2.../dp/B00002N5FP

Like a water heater, a dryer is predominately resistive load. The AC timer is not "beefy" enough for an electric dryer.

If handy just use something like this:

http://www.amazon.com/Woods-59008-D...468779&sr=1-4&keywords=60+minute+timer+switch

To provide coil voltage (control) to this:

http://www.amazon.com/Packard-C230B...756&sr=1-1&keywords=30A+double+pole+contactor
 
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