Worcester GREENSTAR HE combi Series, Инструкции по установке и обслуживанию

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6 720 610 576 GB (03.02)
46
Appendix
9.7 Operational Flow diagrams
9.7.1 Domestic hot water function
Fig. 67
Ma
in
s
swit
ch
ON.
Gree
n
light
ON.
B
u
rn
er l
igh
ts
.
Red
l
igh
t
ON.
Ig
ni
tio
n sp
ar
k
f
o
r
5 se
c
o
n
d
s
.
F
a
n r
u
n
s
to pu
rg
e
ga
s
fr
o
m
bu
rn
e
r.
R
e
pe
ats
5
ti
m
e
s
b
e
fo
re
l
o
c
k
-o
ut
.
Hot
wat
e
r
de
m
a
n
d
.
Pu
mp
O
N
Di
vert
e
r va
lv
e
op
er
ate
s
.
Hea
t i
n
pu
t
m
o
d
u
la
te
s
to
m
a
in
ta
in
th
e
de
live
ry
te
m
p
era
ture.
Ga
s va
lv
e
cl
os
es
.
Red
l
igh
t
OFF
.
Fan
ru
ns
fo
r
up
to
3
m
ins
.
Pu
mp
r
u
n
s
fo
r 30
se
cs.
Ove
r te
m
p
erat
u
re
sh
ut
-do
w
n i
f wa
te
r
te
m
p
era
ture i
s
8
°
C
ab
ov
e
s
e
t
va
lu
e.
B
u
rn
er rem
a
in
s OF
F
un
ti
l f
low
te
m
p
er
a
tu
re
is
b
e
lo
w
s
e
t v
a
lu
e
.
Ga
s va
lv
e
sh
ut
s.
Pu
mp
r
e
m
a
in
s
O
N
.
Dem
an
d
en
ds
.
Ye
s
No
**
N
O
T
E
:
The appl
iance control
s can be set to one of
2 modes of operati
on.
1.
“
Com
for
t“
mode -
Ful
l pre-h
eat
2.
“
EC
O
“ mo
de -
a) Operates as an i
n
stantaneous combi
nati
o
n
b
o
ile
r.
b) D
e
mand D
e
tecti
on: a short demand (l
ess
than 5 seconds) sw
itches the control
to
“C
o
mfort
“ mo
de for 5 mi
ns. Mi
ni pr
e-heat.
The F
a
c
to
ry s
e
tti
ng i
s
“
Co
m
fo
rt
“ mode.
Fan
to
st
a
rt
sp
ee
d.
Ga
s va
lv
e
op
en
s.
P
re
-he
at
mo
d
e
.*
*
Ig
ni
ti
o
n
se
qu
en
ce
P
re
-he
at
mo
d
e
.*
*
B
u
rn
er sh
ut
-do
w
n i
f
pr
im
ar
y
t
e
m
p
e
ra
tur
e
e
xce
ed
s 94
°
C re
mai
ns
OFF
unti
l 78
°
C
Pu
mp
O
N
Di
vert
e
r va
lv
e
op
er
ate
s
.
Fan
to
st
a
rt
sp
ee
d.
Ga
s va
lv
e
op
en
s.
Pr
e
-he
at
s
a
ti
sf
ie
d.
Ig
ni
ti
o
n
se
qu
en
ce
B
u
rn
er l
igh
ts
.
Red
l
igh
t
ON.
Ig
ni
tio
n
sp
ark
5 se
c
s
.
6 720 610 576 - 24.1O