Vaillant VCW 2O Instructions For Installation And Servicing page 57

R€peat the tollowing
checlG:
A. Earth Continurty.
C. Polarity.
D. Resistance to Earth
according to Instructions
tor British Gas
Mullimeter.
-
lsvoltage \
240 V AC from
Does
Main Burnet
Swkh off electricRy,
t€move Control Box
Cover. Ooen and close
hot water iap. Diaphragm
Din of waler seclion has
to move up and down.
Draw otf one l/min. and
Pin has to be in upper
positjon. lf not, clean
Water Sedion according
seruicing instructions.
Ref. to note 14. Switch
on eleeticity.
lsWater
Slection
tested?
-
lsvoltage
'
240 V AC trom
Close Control Box.
ls Micro
Swildt
acluated?
Adiust Swilch Lever
by slac*ening screw
in elongated hole.
Bet. to Note 14.
t
ls voltaoe\
240VAC?om
Beplace Micro Switch.
NO
4
57