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Discuss Worcester Jounier Boiler/21 in the Commercial Electrical Advice area at ElectriciansForums.net

O

ONIT

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Hi Guys,

Looking For A Bit Of Help Please, Went To Wire A Bolier Up Tonite No Darwings Going Back In Morning

No Connections Made As Yet ,, 5-core Flex From Spur To Boiler, 3-cxore Flex From Spur To Room Stat , Spur Feed By 2.5 Radil As Any Body Done One Before.

Looking For A Bit Of Help On Connection , Cheers
 
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G

GAZHUDDS

  • Thread Starter Thread Starter
  • #2
are you fitting a timeclock/programmer as well?
 
O

ONIT

  • Thread Starter Thread Starter
  • #3
Well There Just A Room Stast, 3core Flex Back To Spur Then 5-core Straight To Bolier, So Ppower From Spur On 5-core Then Two Copre Left To Connect To 3-core Then Five Connections In Bolier
 
S

sparkyork

hi mate,
im gonna presume its a combi boiler so...

fistly is the room stat fitted if so have a look at what wires go where in that to make sure you can connect to the right ones at the spur.

On the 5 core connect brown and blue to load side of spur (obviously) (make sure 3 amp fuse in there as well)
next you need to gain access to the boiler electrical connection, prob coupla screws at the bottom front edge and cover might lift up and away? then there will probably be a white panel that will pivot towards you if you remove 2 screw again.

im kinda guessing on the above bit as i cant picture the exact model etc, but if the above is succesful then you sshould have a white panel pivotted and laying flat in front of you, unscrew the back of this panel to gain access to the wiring.

take the 5 core and insert it thru one of the spare cable clamp entry points and secure the 5 core once you have enough inside the casing.

strip your 5 core connect brown and blue to the boilers L and N connections, connect the earth to earth.,

then there will possibly be a red link cable going from one terminal to another one, this is where you connect your remaining 2 wires of your 5 core, they may be labelled S! or S2 or something else. which ever labelling looks like its the common connection i.e s1. then whichever wire was common for the room stat (determined earlier) then stick that in this connection and the other wire in the other one.

i always put a bit of brown sleeving on theses 2 wires as well. then which ever wires of the 5 core you have used for the room stat connection in the boiler, connect them to the room stat wires where the sw/spur is, just ues a connecty block and put a bit of tape round it, and also some brown sleeving

then hopefully that should be it, if the boiler is purged with gas and ready to be switched on then flick the spur on and keep your fingers crossed youve wired it right and not blown a pcb!

no its long winded all this and not sure how much of this you need to know, just hope it helps!!

rich
then which ever wire was the "common" wire at the room stat

as gazhudds said, however a lot plumbers will fit these as there a push fit connection you will soon see 2moro
 
Last edited:
O

ONIT

  • Thread Starter Thread Starter
  • #5
Cheers For Reply, Room Stats Not Connected Yet , So The Link In The Bolier Stays In Or Take Link Out And Connecet The Two Spare Cables Then Connect Through In Spur Via Choc Block
 
S

sparkyork

take the link out and put your soom stat wires in its place matey
 
O

ONIT

  • Thread Starter Thread Starter
  • #7
Cheers Thanks A Lot For Your Time Sparkyork , First Time On This Bolier Will Save Me A Lot Of Time Tomorrow, Thanks Again

Sorry Just Rembered It Mite Be 3 Wire Connection On Stat, If So Would You Have To Get Neutral From Spur
 
Last edited by a moderator:
L

London Luke

  • Thread Starter Thread Starter
  • #8
Very very nice boilers. You can get a full PDF on line. i carry most PDF's of boilers on my laptop .
 
L

London Luke

  • Thread Starter Thread Starter
  • #11
download them just incase you cannot get wifi etc.

Get use to seeing more and more of these Worcesters. They are as good as they get and everyone wants to use them these days.
 
W

wonkey donkey

  • Thread Starter Thread Starter
  • #12
3 core to room stat is not enough, needs to be a 4 core as the neutral is for the unit to be accurate +/- 3%
 
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