Shower timer

[Smithiesmith]

I've been asked to install 2 electric showers. That's the easy bit. The client has asked me if I can install a timer so they will only run for a maximum 10 minutes. Is this possible? The reason is to stop the kids spending hours in the shower and save on energy.

 

[loop3]

Timer and relay. At fuse board.

 

[loop3]

Could be quite sophisticated if you not familiar with these components. And expensive.

 

[Elmer BeFuddled]

Some of this may come in handy for refilling the CU

 

[Octopus]

Install them in a shower room with no windows and fit a timer to the light switch!

 

[TaffyDuck]

Lot cheaper to put a token meter inline. Set it to run say 2kW per token which is 12 minutes on a 10kW shower. Then ration the tokens.

If that isn`t acceptable A relay could be powered via an electronic or pneumatic timer light switch outside the bathroom. A pneumatic one is likely to get matchsticks stuck in it though. So electronic timer fed from lighting circuit(or fused down from shower circuit direct from DB) operating the relay, LNE from db to relay, LNE from relay to shower.

Simples

 

[markythesparky]

Look at the Hager catalogues. We install Hager delay off timers for swimming pool installations.
Hager will make all the bits you need for this problem.

 

[dan86]

http://www.discount-electrical.co.u...h-1co-contact---0-1s-10hr-time-delay-10a-230v

 

[londonlec]

Dont forget lots of showers dont like being turned off at source, and should be switched using the switch on the front of the shower!

 

[Smithiesmith]

Dont forget lots of showers dont like being turned off at source, and should be switched using the switch on the front of the shower!

Thank you all very much. The good news is it can be done. I'll use a professional for this one. Much obliged.

 

[mnbs 4x4]

You could fit a 2 pole contactor at the fuse board breaking the supply going to the shower , then run a separately fused coil control circuit to a columbus switch outside the shower room, this would give you a time from 10s to 10 mins depending on how you set up the switch.
You would still need the 45a DP switch for isolating purposes.

 

[kingeri]

Hmmm sad times when kids won't do as they're told and measures like this are necessary. Wouldn't have happened when I were a lad!

 

[Andy78]

Hmmm sad times when kids won't do as they're told and measures like this are necessary. Wouldn't have happened when I were a lad!

Was just gonna post...... Having read all the above methods I would favour having a reasonable word with the kids, and them having the respect to listen to and take on board your request.

 

[Engineer54]

I just don't understand parents today, they seem to have lost all control over their kids!!!

 

[Silly Sausage]

Dont forget lots of showers dont like being turned off at source, and should be switched using the switch on the front of the shower!

Never heard that before, care to further enlighten me!

Re OP, where are you going to locate this timer and how are you going to reset it?
Can imagine kids, covered in wet soap froth, wandering around trying to mess with electrics to get the showers going again.
Seems like a daft idea to me. Fit low power showers instead.