Vaillant TURBOmax VUW 242 E Instructions For Use Manual - page 13
Switching
on Central Heating Control
Turn the cen
t
ral heat
i
ng cantrol
CD
to
'
nut
J) ,
po
s
ition
.
T
h
e
boiler wil
l
no
w
ape
r
a
t
e
automat
i
ca
l
ly
to provide central heat
i
ng fo
r
the condition
s
selected on the e
xt
er
n
a
l
control
s.
(On thi
s s
e
t
t
i
n
g
th
e
TURBOm
ax wi
l
l
al
s
o pro
vi
de dome
s
t
ic
hot
w
a
te
r
)
.
The tem
p
erat
ur
e
gauge
CD
indicates the
t
emperature
of water to the central heating
ci
r
cuit
.
After t
h
e boi
l
er stop
s
operating
t
he pump may continu
e
to operat
e
for a
s
hor
t
p
e
r
i
o
d t
o fully
d
ispe
r
se the heat
f
rom th
e
boile
r
.
Nole:
T
he
boil
e
r in
c
orporat
es
on
·
i
n
tegr
o
l
'
o
n
ti·cycling
'
econo
mi
se
r
co
nt
rol to
p
r
e
v
ent
e
n
e
r
gy was
t
e
fu
l o
n an
d
off ope
r
at
i
o
n of
th
e
b
o
i
le
r for
s
h
ort
p
erio
d
s w
h
en
i
n the cent
r
o
l h
e
at
i
n
g mode
.
When turn
i
ng th
e
r
oom
t
h
e
rmostat
or boile
r t
hermost
a
t
to
0
higher
s
e
t
ting t
h
ere
m
ay
t
her
e
fo
r
e
b
e
0
s
h
ort
d
e
l
ay
b
e
f
ore th
e
bo
i
le
r
operates
.
In
t
he summer time, when central heat
i
ng i
s
no
t
requ
i
red
,
turn the cent
r
al heating
c
ontro
l
C
D
into the'
J)
'
po
s
ition.
Nole
:
I
f
0
ho
t
w
at
er
to
p
i
s
op
e
ned during c
e
n
t
ra
l
h
ea
t
ing ope
ra
ti
on
,
t
he boi
l
e
r
w
i
ll
m
o
m
e
nta
r
i
l
y
sw
i
tch off
befor
e
automatic
all
y
i
gn
iti
ng
t
o p
r
o
vid
e h
o
t
w
a
ter
.