32
Fig. 8.19
S PLAN WIRING DIAGRAM USING MULTI TIMER FOR ALL
CENTRAL HEATING ZONES
N
ot
e:
It is essen
tial tha
t the in
tersta
t c
an bring on one of the mot
orised v
alv
es
dir
ec
tly as sho
wn, failur
e t
o obser
ve this will r
esult in nuisanc
e lo
ck
out
.
Please N
ot
e: EARTHS NO
T SHO
WN FOR CL
ARIT
Y C
ONNEC
T EARTHS IN
A
CC
ORD
ANCE WITH
REGUL
ATIONS!
DESN 518002