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Installation, user and maintenance manual
– AY Condensing line, AY series
43
Figure 5�2 – Functional diagram
Appliance wiring diagram.
LEGEND SCH
con
tr
ollers (
AY10/S70)
TA
ambien
t t
emper
atur
e pr
obe
THPC
deliv
er
y w
at
er t
emper
atur
e pr
obe
(machine in
ter
nal cir
cuit)
THMC
outlet w
at
er t
emper
atur
e pr
obe
(sy
st
em cir
cuit)
THR
C
inlet w
at
er t
emper
atur
e pr
obe
(sy
st
em cir
cuit)
TH
combustion unit limit ther
mosta
t
(machine in
ter
nal cir
cuit)
TF
fumes ther
mosta
t
PD2
diff
er
en
tial w
at
er pr
essur
e swit
ch
(machine in
ter
nal cir
cuit)
PD1
diff
er
en
tial w
at
er pr
essur
e swit
ch
(sy
st
em cir
cuit)
TL
w
at
er limit ther
mosta
t
P1
w
at
er cir
cula
tor
(machine in
ter
nal cir
cuit)
LS
gas v
alv
e ON indica
tor lamp
GV
gas solenoid v
alv
e
IGNTR
ig
nition tr
ansf
or
mer
IGN
ig
nition elec
tr
odes
FLS
flame sensor
CNTBO
X
flame c
on
tr
oller
BL
W
blo
w
er
MC
po
w
er t
er
minal block 230V A
C
PWR
TR
c
on
tr
oller tr
ansf
or
mer
RS
siphon hea
ting elemen
t
Содержание AY Series
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