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RE: LD10 with bathroom light and automatic fan


  • To: <ukha_d@xxxxxxx>
  • Subject: RE: LD10 with bathroom light and automatic fan
  • From: "Kenneth Watt" <kennwatt@xxxxxxx>
  • Date: Sun, 24 Feb 2002 23:19:55 -0000
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

And this will be *exactly* why mine is on an AD10…it just doesn’t work after a certain time and I can’t remember the last time I went for a shower at 3am! ;-)

 

K.

 

-----Original Message-----
From: Ian Lowe [mailto:ian@xxxxxxx]
Sent: 24 February 2002 23:09
To: ukha_d@xxxxxxx Subject: RE: [ukha_d] LD10 with bathroom light and automatic fan

 

Given that one of my first mods to the house electrics was to rip the goddamn, irrititaing SOB of a fan off of the bathroom wall

(in a fit of decorating, I put it bac, but not until I had snipped the power supply)

 

I wonder, whats the views of the group on having a fan which comes on whenever the bathroom light does, even in the dead of night,

and then whines away for another ten minutes or so, whilst you lie in bed tying to get back to sleep after a quick trip to the loo?

 

I mean, why?

 

Do wiring regs people have an unusually acute sense of smell?? or do they just like annoying people?

 

Ian.

-----Original Message-----
From: Keith Doxey [mailto:lists.diyha@xxxxxxx]
Sent: 24 February 2002 22:29
To: ukha_d@xxxxxxx Subject: RE: [ukha_d] LD10 with bathroom light and automatic fan

Hi Bazza,

 

I was pondering this a few minutes ago whilst laying in the bath.

 

The fan has a permanent live feed which is used for the overrun. I believe the timer input is only used as a trigger. I know that with my fan, it takes a few seconds to start as if a capacitor is being charged.

 

If the light is turned on for only a few seconds it can be switched off and the fan will never start.

 

If the light is turned off immeadiately the fan starts it will only run for a few seconds, and longer than this and it does its normal setting. 

 

 Based on the above I believe the following may happen.

 

1. No enough to trigger the fan below a certain dim level.

2. It may take longer for the fan to start and overrun may not be quite as long.

3. It works perfectly

 

I doubt that any damage would be caused to the fan but the only way to prove it is to try.....at your own risk of course.

 

Unfortunately I cant test my theory..... I lay in the bath working out how I could attempt to modify the switch to provide momentary operation..... worked out that by removing the ceiling speaker I could place the LD10 next to the transformer in the ceiling void (forward planning in case of transformer failure).... then realised the flaw in my plan :-(

 

I cant get to the junction box in the ceiling where the switch wire is fed from. BUGGER !!!!

The reason for the ceiling speakers (apart >from when I fitted the low voltage lighting I realised thet the transformer could fail one day so it needed to be accessable. The ceiling speakers are easily removable to gain access for replacement. Unfortunately the junction box is screwed to a joint about 30 inches further across the ceiling :-(

 

Also just disassembled the fan and greased the bearing because it was squealing. I would buy a new one but mine is about 15 years old and about 6" x 8". All the new ones are 6" square. Guess who decided it would be good to tile the wall all the way to the ceiling :-(

 

Keith

-----Original Message-----
From: Bazza [mailto:bazza2000@xxxxxxx]
Sent: 24 February 2002 20:09
To: ukha_d@xxxxxxx Subject: [ukha_d] LD10 with bathroom light and automatic fan

Hi,

Can anyone give me any information on which module to
use (i.e. LD10 or AD10 DIN) on a bathroom light that
is connected to an automatic fan.
I'm not too sure if will be safe to use an LD10 with
DIM on an appliance such as a bathroom fan unit.
I believe the configuration is such that when the
bathroom light is switched off, the fan runs for a
further few minutes depending on its charge from the
during of the light being on.
I believe this is quite common in a lot of new houses
nowadays.

Many thanks,

Bazza.

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