Bathroom Extractor with timer & humidstat wiring

Soler & Palau Ltd is the UK subsidiary of the Soler & Palau group of companies. Established in 1985 Soler & Palau Ltd have been supplying a wide range of specialist fan and air moving products to a diverse national and international OEM client base. ... Soler & Palau (UK) Ltd's operations are based on the prestigious Ransomes Europark Business Estate in Ipswich, Suffolk. From this geographically strategic location products are imported from the various European and Pan Pacific Soler & Palau group manufacturing facilities and stocked at the company's extensive warehouse premises in Ipswich.
They are clearly quite eloquent at PR, but I wonder who writes their instructions! Could we perhaps see Figure 9?

In addition to the matter we are discussing, the other unusal (but very welcome!) thing is that they do not actually call for a 3A FCU (as in plugwash's diagram) (which many/most people feel is unnecessary) - meaning that you could use just a standard 3-pole 'fan isolator' without having to change the light switch to DP (per plugwash)

Kind Regards, John
 
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Figure 9

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Figure 9 ...
Oh, thanks - absolutely no switches at all :) In fact, none of Figs 5, 6, 8 or 9 show any switch/isolator, DP or otherwise, other than (where relevant) the normal (single pole) light switch!

Kind Regards, John
 
Soler & Palau Ltd is the UK subsidiary of the Soler & Palau group of companies. Established in 1985 Soler & Palau Ltd have been supplying a wide range of specialist fan and air moving products to a diverse national and international OEM client base. ... Soler & Palau (UK) Ltd's operations are based on the prestigious Ransomes Europark Business Estate in Ipswich, Suffolk. From this geographically strategic location products are imported from the various European and Pan Pacific Soler & Palau group manufacturing facilities and stocked at the company's extensive warehouse premises in Ipswich.
They are clearly quite eloquent at PR, but I wonder who writes their instructions! Could we perhaps see Figure 9?

In addition to the matter we are discussing, the other unusal (but very welcome!) thing is that they do not actually call for a 3A FCU (as in plugwash's diagram) (which many/most people feel is unnecessary) - meaning that you could use just a standard 3-pole 'fan isolator' without having to change the light switch to DP (per plugwash)

Kind Regards, John


If I am going for a standard 3-pole 'fan isolator' i could use this wiring diagram?
fanwiring3_h2.jpg
 
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If I am going for a standard 3-pole 'fan isolator' i could use this wiring diagram?
Indeed so - as I said, given that they have not demanded 'the usual' (but, in most people's minds, unnecessary) 3A FCU, you can do just that.

Kind Regards, John
 
Yes John good point, thank you to everybody else who took the time to contributed to this thread :D
 
Fig.9 is showing just a humidistat fan with an over-run (timer) just for after the humidistat turns off but no light switch timer so it will only require a double pole isolator?
 
Fig.9 is showing just a humidistat fan with an over-run (timer) just for after the humidistat turns off but no light switch timer so it will only require a double pole isolator?
Sure - it goes without saying that any configuration which doesn't use the S/L (for triggering by light), has only 2 'poles' (L & N) to isolate whilst, conversely, any configuration which does use S/L as well as L (i.e. to get light triggering) will have 3 'poles' (L, S/L & N) to isolate.

Kind Regards, John
 
Hello folks

Fans working but only when I turn the light off :oops:

Any ideas?
 
Light_zpsca94f37c.jpg


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I put in a Loop-In Batten Lamp holder, and copied existing wiring
 
Fandiagram_zps536abe6a.png


Tried the wiring diagram that came with the fan isolator and got the same result, turn the light off and fan comes on :confused:
 

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