HAIER CHILLER
70:
m
icr
o
-co
m
p
u
te
r p
o
w
e
r
s
o
u
rc
e
4.
M
a
s
ter
u
ni
t
is
e
qu
ip
pe
d
w
it
h
M
C
U
,s
la
v
e
u
ni
t
is
w
it
ho
ut
M
C
U
.W
at
er
f
lo
w
pr
ot
ec
ti
on
s
ho
ul
d
be
s
ho
rt
c
ir
c
u
it
w
he
n
no
t
c
o
nn
e
c
te
d
w
it
h
f
lo
w
sw
it
ch
.
2
.W
at
er
f
lo
w
p
rot
ec
ti
on
i
s
c
o
n
n
ec
te
d w
ith th
e
n
or
ma
l
op
e
n
p
oi
nt
o
f
fl
ow
s
w
itc
h
, t
he
t
ar
g
e
t
is
s
el
ec
te
d
du
e
to
th
e
s
pec
if
ic
a
ti
o
n.
3.
O
u
tp
ut
o
f
wa
te
r
pu
mp
c
on
tr
ol
i
s
22
0
V
A
C
/5
0
H
z
1.
D
a
s
h
ed
p
ar
ts
a
re
p
oi
nt
s
c
o
nn
ec
te
d
o
u
ts
id
e
2
#
sy
st
e
m
c
o
m
p
re
s
so
r l
o
w
p
res
s
ur
e p
rot
ec
ti
on
2#
s
y
s
tem
4-
w
ay
va
lv
e
co
n
tr
o
l
a
ddr
e
s
s
s
w
itc
h
a
mb
ie
n
t te
mp
.
2
#
sy
s
tem
f
in
tem
p.
1
#
sys
te
m
f
in
t
e
m
p
.
s
y
s
te
m
to
ta
l
o
u
tl
e
t w
a
te
r te
mp
.
2
#
sy
s
tem
di
ac
ha
rgi
ng
tem
p.
2
#
s
y
s
te
m w
a
te
r
re
tu
rn
te
mp
.
1
#
sys
te
m
d
is
c
ha
rg
in
g
te
m
p
.
1
#
s
y
s
te
m w
a
te
r
re
tu
rn
te
mp
.
1
#
sy
st
e
m
c
o
m
p
re
s
s
or
l
o
w
p
res
s
ur
e p
rot
ec
ti
on
1
#
sys
te
m
c
o
m
p
re
ss
o
r
h
ig
h
p
res
s
ur
e p
rot
ec
ti
on
2
#
sy
s
tem
c
om
p
res
s
or
h
igh
p
re
s
su
re p
rot
ec
ti
o
n
wa
ter fl
ow
s
witc
h
1
#
sy
st
e
m
c
o
m
p
re
sso
r
o
v
er
loa
d pr
ot
ec
ti
o
n
w
at
er
f
lo
w
pr
ot
ec
ti
on
1
#
s
y
s
te
m
fa
n
mo
to
r
o
v
er
lo
ad pr
ot
ec
ti
on
2
#s
y
st
e
m
c
om
p
res
s
or
c
ont
rol
1
#s
y
s
te
m
s
id
e
-w
a
y
v
lav
e c
ont
rol
1
#s
y
s
te
m
e
lec
tr
ic
h
e
at
er
c
on
tr
ol
1
#
syst
em
f
a
n
m
o
to
r
co
n
tr
o
l
1
#
sy
st
e
m
c
o
m
p
re
s
so
r con
tr
o
l
1
#
sy
st
e
m
4
-w
a
y v
a
lv
e
c
o
n
tr
o
l
wa
te
r p
u
m
p
c
o
n
tro
l
fa
ilur
e
al
a
rm
o
u
tp
u
t
pr
es
e
t t
er
m
ina
l
on
t
er
m
ina
l
bl
o
c
k
water control output
alarm output
2#system 4-way valve control
1#system side-way vlave control
1#system electric heater control
1#system 4-way valve control
1#system compressor low pressure
protection
1#system compressor high pressure
protection
2# system side-way valve control
2#system electric heater control
water flow protection
#
sys
te
m
co
m
p
re
sso
r
o
v
er
load pr
ot
ec
ti
on
#
s
y
s
te
m
fa
n
mo
to
r
o
v
er
load pr
ot
ec
ti
on
2#system compressor low pressure
protection
2#system compressor high pressure
protection
2#compressor heater
1#compressor heater
2
#
s
y
s
te
m
s
id
e-
w
ay
va
lv
e c
ont
rol
2
#s
y
s
te
m
e
lec
tr
ic
h
eat
er
c
ont
ro
l
2
#
syst
e
m
f
a
n m
o
to
r
c
o
n
tr
o
l
1#system discharging temp.
1#system water return temp.
1#system fin temp.
system total water output temp.
ambient temp.
#system fin temp.
#system discharging temp.
#system water return temp.
ou
tp
ut
w
ir
e
of
t
er
m
in
a
l
w
ir
in
g
i
n
bo
ard
tr
an
fo
rm
e
r
No
te
:
2
# c
o
m
p
res
s
or
heat
er
1
# c
om
p
res
s
or
heat
er
