McQuay MDS300B Installationshandbuch Seite 29

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Seitenansicht 28
page 28
Model: MDS260BR (Master Unit)
KM2
OL
2
T1
T2
OL
1
KM1
1
8
R
380
V
/3
N~
/50
H
z
S
T
N
S
2.
2
O
L
4
S
1.
1
O
L
1
S3
.
3
S
2.
3
S3
.
2
S3
.
4
TH4
L1
T2
T
3
KM4
1
9
O
L
3
KM
3
2
6
2
5
24
LP
HP
J1
L
N
HP
3
KM2
PMW
KM1
KM4
S
V1
1
10
11
PMW
S
V2
4
2
FANH
FANL
4WV
L
O
W-
I
FIX1-
OL
FIX2-O
L
O
L
2
O
L
1
1
3
12
DI
G
-
OL
V1
-
V2+
V2
-
TR
V
1
+
TH
3
HI
-
1
TH
6
TH11
F
U
71
T
L
EXV1
EXV1
EXV4
TH2
KM
3
7
TH
5
TH7
FIX2
F
IX1
D
I
G
17
1.
8A
O
F
F
ON
O
F
F
O
F
F
O
F
F
33
32
31
30
b
l
ack
b
rown
w
hit
e
y
ello
w
red
b
l
ue
red
b
l
ue
y
ellow
red
b
l
ue
h
ea
t
er
S
haft
h
ea
t
er
Constant-s
p
eed
com
p
resso
r
Fan motorDigital compresso
r
F
use
Overload
p
rotectio
n
C
ontacto
r
KM
Low
p
ressure senso
r
LPT
HP
Descri
p
tion of the com
p
onents and
p
arts
:
4WV
Descri
p
tio
n
Tr
a
n
s
f
o
rm
er
Hi
g
h pressure senso
r
HPT
M
~
M
~
S2
S1
S3
MD
S
-
P
M
D
S
-
M
Ap
c
Ain
L
O
W-
U
HI-
U
2
1
LPT
3
S
1.3~
S
1.8 set the number of indoor units. For details of
S
2.4~
S
2.8
,
see the instructions
.
1:
3:
2:
N
o
t
es:
Field wirin
g
Factory wirin
g
red
b
l
ac
k
w
hit
e
red
b
l
ac
k
w
hit
e
b
l
ack
whit
e
A
fter overcoolin
g
circuit temperature sensor TH10
O
vercoolin
g
circuit outlet temperature sensorTH11
A
ir suction tem
p
erature sensor TH12
A
ir dischar
g
e temperature sensor of the di
g
ital compressor TH1
C
oil inlet tem
p
erature sensor TH2
Connecting central control system
n
Connecting the slave unit
Model: MDS260/280/300BR (Slave Unit)
KM2
OL
2
T1
T2
OL
1
KM1
1
8
R
380
V
/3
N~
/50
H
z
T
N
S
2.
2
3
.
3A
O
L
5
14
.
0
O
L
1
O
L
4
S3
.
3
S
2.
3
1.
8A
S3
.
2
S3
.
4
TH4
L1
T2
T1
KM
5
O
L
5
1
9
21
2
3
O
L
4
KM4
2
6
2
5
24
J
1
8
HP
O
L
4
1
5
J1
O
L
5
L
N
HP
3
KM
5
S
V1
10
11
PMW
S
V2
4
2
FANH
FANL
L
O
W-
I
FIX2-
OL
O
L
3
O
L
1
14
13
DI
G
-
OL
V1-
V2+
V2-
TR
V1+
TH
3
HI
-
1
TH
6
TH12
TH11
F
U
71
T
L
EXV1
EXV4
TH2
KM
5
KM4
7
TH
5
TH7
FIX1
5
17
T1
T2
KM
3
O
L
2
12
8
O
L
3
14
.
0
S
2.1
32
33
Com
p
ressor
1
Com
p
ressor
2
Com
p
ressor
3
F
a
n moto
r
M
~
M
~
MD
S
-
P
MD
S
-
M
Bp
c
Ap
c
B
in
A
in
L
O
W-
U
HI-
U
2
1
LPT
3
red
b
l
ac
k
w
hit
e
red
b
l
ac
k
w
hit
e
b
l
ack
O
vercoolin
g
circuit outlet temperature sensorTH11
A
ir suction tem
p
erature sensor TH12
C
oil inlet tem
p
erature sensor TH2
Connecting master unit
m
Connecting the indoor unit
h
S1.3~S1.8 set the number of indoor units. For details of S2.4~S2.8
,
see the instructions
.
1:
3:
2:
N
o
t
es:
Field wirin
g
Factory wirin
g
S
y
stem electronic
F
use
C
ontacto
r
K
M
Low
p
ressure senso
r
LPT
HP
R
e
v
e
r
s
ion
Descri
p
tion of the com
p
onents and
p
arts
:
DB
3A
4WV
F
U
Descri
p
tio
n
Tr
a
n
s
f
o
rm
e
r
TR
Hi
g
h pressure senso
r
HPT
y
ellow
red
b
l
ue
b
l
ac
k
b
r
o
wn
w
hit
e
y
ellow
red
b
l
ue
red
b
l
ue
y
ellow
red
b
l
ue
red
b
l
ue
h
ea
t
er
S
haft
h
ea
t
er
h
ea
t
er
Seitenansicht 28
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