Installation, user and maintenance manual
– AY Condensing line, AY series
49
Figure 5�6 – Direct control of shared circulator
Example of electrical connection of a shared three-phase circulator (400 V AC).
LEGEND SCH
con
tr
oller (
AY10+S70)
NO c
on
tac
t
sy
st
em w
at
er cir
cula
tor c
on
tr
ol t
er
minals (v
oltage fr
ee NO c
on
tac
t, maximum po
w
er absor
ption 700
W
)
J2
sy
st
em w
at
er cir
cula
tor c
on
tr
ol jumper
A
detail of "
open
" jumper
MC
230
V A
C po
w
er t
er
minal block
.
RST/N
PHASE/NEUTR
AL t
er
minals f
or thr
ee
-phase po
w
er (400
V A
C)
gr
ound
g
round t
er
minal
IP
sy
st
em w
at
er cir
cula
tor po
w
er swit
ch
KQ
mot
or pr
ot
ec
tor or maximum cur
ren
t diff
er
en
tial cir
cuit br
eaker f
or sy
st
em w
at
er cir
cula
tor (400
V A
C)
PTR
SEL
V sec
ondar
y saf
et
y tr
ansf
or
mer
KP
NO (nor
mally open) sy
st
em w
at
er cir
cula
tor c
on
tr
ol r
ela
y
PW
sy
st
em w
at
er cir
cula
tor
