
Mains Wiring
A 230V a.c supply should be taken directly from the consumer unit. In order to comply
with the relevant current wiring regulations this should be via a 3 Amp fused spur with
disconnection facility.
Page
5
490X Engineer’s Reference Guide
Consumer Unit
3A Unswitched
Fused Spur
Control Panel Mains
Terminal Block
Mains
Connection Colours
Live
= Brown (Red)
Neutral = Blue (Black)
Earth
= Copper
Yellow/Green sleeving should be
used for Copper Earth Conductor
490X 1.qxd 11/07/2006 12:32 Page 5