McQuay MDS030A - Page 21

page 20
Model: MDS040A
Model: MDS040AR
C
1-
3
F
a
n
1
KM
PWMV
F
U
O
F
F
O
F
F
PWMV
KM
F
U
22
0
V~
/50
H
z
N
L
5
N
11
12
F
a
n
2
O
F
F
HP
LP
3
1
3
14
J
P
1
J
P
2
O
F
F
r
ed
r
ed
2
7
8
1
0
Com
p
resso
r
PT
C
N
red
b
l
ue
whit
e
O
F
F
ON
J
2.
6
b
l
ue
M
~
M
~
C2
C3
L
P
HP
Connectin
g
indoor units communication
DLT
O
D TEMP.
I
nL
e
t
TRAN
-
L
4WV
PWMV
F
IXED
CO
MP
D
I
G
CO
MP
HI
-
FAN
MID
-
FAN
LO
W-FAN
C
-BTM
RTN
Tr
a
n
s
f
o
rm
er
Mi
d
L
e
t
y
ellow
b
rown
o
ran
g
e
b
l
ue
RY2
RY1
R
Y
3
RY
5
RY4
RY
6
RY7
J1
J2
J
P
1
J
P
2
R
CM
S
C
KM
2T1
4T2
6
T
3
5
L
3
1L1
3
L
2
PT
C
C1
J
1.
1
J
1.
7
LIVE
NE
U
TRA
L
NE
U
TRA
L
O
V-
CO
MP
3
O
V-
CO
MP
2
O
V-
CO
MP
1
LP
HP
Air dischar
g
e temperature sensor of the di
g
ital compressor (TH1
)
Coil middle tem
p
erature sensor
(
TH5
)
Return air tem
p
erature sensor
(
TH3
)
Ambient tem
p
erature sensor
(
TH2
)
AI-I
N
A
G
N
D
B
McQua
y
N
o
t
es:
2:
1:
Factory wirin
g
Field wirin
g
3:
4:
If the unit is connected at the end of the bus
,
JP1 and
J
P2 are
O
N
.
S
y
mbo
l
S
y
mbo
l
Descri
p
tio
n
Com
p
ressor start-u
p
unit
C
ontacto
r
Ca
p
acito
r
Hi
g
h pressure switc
h
Descri
p
tio
n
F
use
S
olenoid valv
e
Low
p
ressure switc
h
Descri
p
tion of com
p
onents and
p
arts:
Jumper settin
g
s
:
DIP switch J2 settin
g:
y
ellow
b
r
o
wn
o
ran
g
e
b
l
ue
Descri
p
tion of com
p
onents and
p
arts:
C
1-
3
F
a
n
1
KM
S
y
mbo
l
S
y
mbo
l
4WV
EXV
PWMV
F
U
Jumper settin
g
s
:
O
F
F
KM
F
U
22
0
V~
/50
H
z
N
L
N
11
12
EXV
F
a
n
2
O
F
F
O
F
F
O
F
F
HP
LP
3
1
3
14
J
P
1
J
P
2
O
F
F
r
ed
r
ed
2
7
8
1
0
Com
p
resso
r
PT
C
N
r
ed
b
l
ue
whit
e
O
F
F
O
F
F
J
2.
6
DIP switch J2 settin
g:
M
~
M
~
C2
LP
HP
Connectin
g
indoor units communicatio
n
DLT
C
N
1
O
D TEMP.
I
nL
e
t
4WV
PWMV
F
IXED
CO
MP
D
I
G
CO
MP
HI
-
FAN
MID
-
FAN
LO
W-FAN
C
-BTM
RTN
Tr
a
n
s
f
o
rm
er
b
rown
o
ran
g
e
y
ellow
b
l
ue
O
utLet
M
i
d
L
e
t
y
ellow
b
rown
o
ran
g
e
b
l
ue
RY2
RY1
RY
3
RY
5
RY4
RY
6
RY7
J1
J2
JP1
JP2
R
CM
S
C
KM
2T1
4T2
22
3
L
2
21
PT
C
C1
J
1.
7
N
o
t
es:
2:
1:
Factory wirin
g
Field wirin
g
3:
4:
and
J
P2 are
ON
.
R
C
LIVE
NE
U
TRA
L
NE
U
TRA
L
O
V-
CO
MP
3
O
V-
CO
MP
2
O
V-
CO
MP
1
LP
HP
AI
-
IN
A
G
N
D
B
McQua
y
Coil outlet tem
p
erature sensor
(
TH6
)
Coil middle tem
p
erature sensor
(
TH5
)
Coil inlet tem
p
erature sensor
(
TH4
)
Return air tem
p
erature sensor
(
TH3
)
Ambient tem
p
erature sensor
(
TH2
)
Air dischar
g
e temperature sensor of the di
g
ital compressor (TH1
)
Descri
p
tio
n
Com
p
ressor start-u
p
unit
Four-wa
y
valv
e
C
ontacto
r
Ca
p
acito
r
Hi
g
h pressure switc
h
Descri
p
tio
n
F
use
Electric ex
p
ansion valv
e
S
olenoid valv
e
Low
p
ressure switc
h
Sur
g
e suppresso
r
S
haf
t
h
ea
t
er