I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

TIA

In message
,
Philip Oldrosedene writes
I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

Ah

Tha' needs some 5 core actuator cable ...

I have a reel of it somewhere, not cheap mind,

Try plumbcenter, but you might have to buy a 100m reel like I did

else, email me


--
geoff

In article
,
Philip Oldrosedene wrote:
Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

I'd be inclined to use two TW&E under the plaster and sleeve for
identification then flex for the ends where it's outside the wall. Make
sure the TW&E is properly protected according to regs.

Flex from any decent wholesaler or he-

http://www.tlc-direct.co.uk/Main_Ind...e_3/index.html

--
*What am I? Flypaper for freaks!?

Dave Plowman London SW
To e-mail, change noise into sound.

On Fri, 24 Jul 2009 14:18:34 -0700 (PDT), Philip Oldrosedene
had this to say:

I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

If you can't get hold of 5 core cable you could use 2 runs of
'smaller' stuff, provided that you clearly sleeve the conductors with
divers colours to avoid confusion, and preferably document your choice
of colours for future reference.
(remembering of course to never use the ECC of a T+E for anything but
a true earth, since it has no insulation - merely a sheath!).

--
Frank Erskine

Philip Oldrosedene wrote:
I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?


use two twin core plus earth?
TIA

"Philip Oldrosedene" wrote in message
...
I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

Just use two runs of 1mm twin & earth.
I don't know the layout of your system, but won't the zone-
valve need to be wired to the boiler wiring centre rather than
the controller? perhaps this is the same place in your situation.

Do you understand how the zone valve operates? The "4 control
lines" as you put it a- one pair for the actuator motor (designed
to work permanently stalled) and the other pair is a micro-switch
which closes when the valve is fully open, and calls for heat.

--
Graham.

%Profound_observation%

In article ,
Philip Oldrosedene writes:
I wish to bring a remote CH motorized valve (Honeywell make) into
use. It wasn't connected when the CH was installed as the valve was
a last minute thought and no suitable cable was to hand. Up to now (8
years!) it has been left in the ON position.

Depending on route chosen, it will require 5 to 8m of cable to connect
to the main CH controller. The cable into the valve is 5 way x 0.8mm
sq (ie 1.0mm dia) - 4 control lines plus earth. The valve operates at
240V, so the cable needs to be rated for mains.

For preference I should like to use standard elec backing boxes to
house the connections at each end, and bury the cable run under the
wall plaster.

Please can anyone suggest a suitable cable & source?

I have something similar. I'm using 5 core flex, which at the time
was available in cut-it-yourself lengths from B&Q, but I don't think
they do it in cut-it-yourself lengths anymore. (Actually, ISTR that
I ended up with 6 core flex, as I think I had a spare core.) You
can use flex for fixed building wiring -- it's just not normally
done on grounds of cost and ease of handling.

At the actuator, I made up a suitable socket. I use the Bulgin
8 pin mains connector (often used for disco lighting). A panel
mounted socket is cut into a standard blanking plate, which is
wall mounted onto a flush back box, and the plug attached to
the end of the actuator flex. Make sure the design of the heating
is such that if the actuator is unplugged, nothing nasty can
happen (e.g. boiler won't try to fire up with no flow through it).

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

In article ,
Andrew Gabriel wrote:
Please can anyone suggest a suitable cable & source?

I have something similar. I'm using 5 core flex, which at the time
was available in cut-it-yourself lengths from B&Q, but I don't think
they do it in cut-it-yourself lengths anymore.

TLC sell cut lengths - and if you go to a branch no minimum charge. But
I'd expect most decent wholesalers do too.

--
*Everybody lies, but it doesn't matter since nobody listens*

Dave Plowman London SW
To e-mail, change noise into sound.