McQuay MDS030AR User Manual

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Design & installation Guide For McQuay MDS Multi System
Model MDS050A
Model MDS050AR(220V~/50Hz)
BGND
A
AI-IN
HP
LP
OV-COMP1
OV-COMP2
OV-COMP3
NEUTRAL
NEUTRAL
LIVE
McQuay
3L2
KM
1L1
5L3
4T2
2T1
6T3
PTC
C1
R
C
CM
S
JP2JP1
J2
J1
RY7
RY6RY4 RY5
RY3RY1 RY2
MidLet
OutLet
RTN
C-BTM
LOW-FAN
MID-FAN
HI-FAN
DIG COMP
FIXED COMP
PWMV
4WV
TRAN-H
TRAN-L
InLet
OD TEMP.
DLT
HP
LP
C3
C2
~
M
~
M
J1.7J1.5
J1.4J1.3J1.2J1.1
J1.6
PTC
LP
HP
ON
OFF
OFF OFFOFF
OFF
OFF
FU
PWMV
KM
C1-3
JP1
JP2
OFFOFF
Description of components and parts:
Symbol DescriptionSymbol
Jumper settingsǖ
DIP switch J1 settings:
DIP switch J2 setting:
J2.6
Description
Compressor start-up unit
Contactor
Capacitor
High pressure switch
Fuse
Solenoid valve
Low pressure switch
Connecting indoor
unit communication
Compressor
blue bluered
white
Trans-
former
Ambient temperature sensor(TH2)
Air discharge temperature sensor of the digital compressor(TH1)
Coil middle
temperature sensor(TH5)
N
10 87
2
1413
3
ON
12
11
N
5
L
N
220V~/50Hz
FU
KM
PWMV
red red
Fan 1
Fan 2
blue
brown
yellow
orange
blue
brown
yellow
orange
Return air temperature sensor(TH3)
Notes:
1:
----------- Field wiring
2:
-------------- Factory wiring
3: J2.1~2.5 sets the internetworking control address
4: If the unit connected at the end of the bus,JP1,JP2 is on.
McQuay
B GND
A
AI-IN
HP
LP
OV-COMP1
OV-COMP2
OV-COMP3
NEUTRAL
NEUTRAL
LIVE
RC
C1
PTC
213L2
1L1
5L3
6T3 224T2
2T1
KM
C
S
CM
R
JP2JP1
J2
J1
RY7
RY6RY4 RY5
RY3RY1 RY2
MidLet
OutLet
RTN
C-BTM
LOW-FAN
MID-FAN
HI-FAN
DIG COMP
FIXED COMP
PWMV
4WV
TRAN-H
TRAN-L
InLet
OD TEMP.
CN1
DLT
HP
LP
C3
C2
~
M
~
M
Trans-
former
Connecting indoor
unit communication
N
1087
2
1413
3
4
EXV
12
11
N
5
L
N
FU
KM
PWMV 4WV
JP1
JP2
OFF OFFOFF
Jumper settingsǖ
J1.7 J1.5
J1.4J1.3J1.2J1.1
J1.6
OFFOFF OFF ONOFFOFF OFF
DIP switch J1 settings:
DIP switch J2 setting:
J2.6
RC
PTC
LP
HP
FU
PWMV
EXV 4WV
KM
C1-2
Description of components and parts:
Symbol DescriptionSymbol Description
Compressor start-up unit
Four-way valve
Contactor
Capacitor
High pressure switch
Fuse
Electric expansion valve
Solenoid valve
Low pressure switch
Shaft
heater
Compressor
white
blue red
red
red
Fan 1 Fan 2
Ambient temperature sensor(TH2)
Air discharge temperature sensor of the digital compressor(TH1)
Coil inlet temperature sensor(TH4)
Coil middle temperature sensor(TH5)
Coil outlet 
temperature sensor(TH6)
blue
brown
yellow
orange
blue
brown
yellow
orange
Return air temperature sensor(TH3)
Surge suppressor
Notes:
1:
----------- Field wiring
2:
-------------- Factory wiring
3: J2.1~2.5 sets the internetworking control address
4: If the unit connected at the end of the bus,JP1,JP2 is on.

McQuay MDS030AR Specifications

General

Brand	McQuay
Model	MDS030AR
Category	Air Conditioner
Language	English