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by summit elec
Tue Jul 07, 2009 9:53 pm
Forum: Plumbing Forum
Topic: ufh rads in same system
Replies: 4
Views: 2842

oh and heat input into ufh is controlled by a modulating pump unit.
by summit elec
Tue Jul 07, 2009 9:24 pm
Forum: Electrics Forum
Topic: So why does the RCCB trip in this case?
Replies: 2
Views: 3431

i would take a guess at the mcb supplying a lighting circuit. it used to be common practice to steal a neutral for the landing light from the downstairs lighting and this may be your problem try wiring the lighting circuits to the same mcb if this doesnt trip thats your problem. dont leave it like t...
by summit elec
Tue Jul 07, 2009 9:15 pm
Forum: Electrics Forum
Topic: Live and neutral not marked on light fitting
Replies: 2
Views: 9194

if polarity is incorrect the light will work but may be unsafe so be carefull. polarity isnt genrally important for fittings with screw in bulbs (E14 & E27) if you have a multimeter you could take a continuity reading from the centre of the lamp holder to each terminal and when it beeps thats yo...
by summit elec
Tue Jul 07, 2009 9:05 pm
Forum: Plumbing Forum
Topic: ufh rads in same system
Replies: 4
Views: 2842

ufh has its own motorised zone valve this wires back to a polyplumb master connection unit which in turn is controled by 4 individual room stats, that part isnt a problem. the bit i cant work out is whether i need a second zone valve for the upstairs rads or if they can be controlled by a room stat ...
by summit elec
Wed Jul 01, 2009 3:35 pm
Forum: Electrics Forum
Topic: Distribution board
Replies: 11
Views: 3631

i wouldnt put all my socket circuits on one r.c.d if it goes youve got no sockets, it is good practice to put your upstairs lights on the same rcd as your downstairs sockets and downstairs lights on the same as your upstairs sockets. in fact i think there is a reg that states this.
by summit elec
Sat Jun 27, 2009 11:21 pm
Forum: Electrics Forum
Topic: Distribution board
Replies: 11
Views: 3631

if they are 17thedition boards you are looking at they should be split and have 2 rcds. the old 16th edition are split and have one rcd and one none rcd protected side which was used to power lights and other items of fixed equipment.
by summit elec
Sat Jun 27, 2009 11:15 pm
Forum: Electrics Forum
Topic: Bathroom lighting
Replies: 3
Views: 2989

according to 17th edition above 2.25M is classed as outside zones which means any accesory does not need ip protection. however if your house is not wired to 17th edition standards i would be inclined to fit low voltage lights or ip rated fitings.
by summit elec
Sat Jun 27, 2009 11:05 pm
Forum: Plumbing Forum
Topic: ufh rads in same system
Replies: 4
Views: 2842

ufh rads in same system

does antone know where i can get a wiring diagram for wiring a glow worm flexicom to a house with wet ufh on ground floor and rads 1st floor? I have the polyplumb schematic but arent sure how to combine the radiator controll.
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