-36-
Design & installation Guide For McQuay MDS Multi System
Model MCK025/030/040/050T
OFF
ON
ON
OFFOFF
ON
ON
ON
ON
TR1 TR2
(220V~/50Hz)
N
ON
OFF
OFF OFF OFF
ON
OFF
050
OFF OFF OFF
ON
040
OFF
OFF OFF OFF
ON
ONOFF
030
OFF
OFF OFF OFF
OFF
ON
025
OFF
SW3.8
SW1.6SW1.4 SW1.5SW1.1 SW1.2
DIP switch SW1 settings:
SW1.3
SW3.5 SW3.6SW3.3 SW3.4SW3.1
Model
SW3.2
DIP switch SW3 settings:
OFF
OFF
OFF OFF
SW3.7
N
N
L
DIPON
12 438765
JP4JP3JP5
JP1
JP2
NEUTRAL
LINE
J1
JP6
LFHF MF J3 J2J4J5J6
KEY1
SW-PB
JP7
AB
CON5
MOTORCON3
EXVCON2
CON4
56
DIP
4321
ON
SW1
SW2
6
DIP
1432
ON
5
ROOM
CON9
OUTID2
WATER
SW3
CON6
remote controller
Coil Outlet
temperature sensor
Coil Midlet
temperature sensor
Coil Inlet
temperature sensor
Indoor return air
temperature sensor
Tr ansformer
yellow/green
yellow/green
yellow/green
brown
orange
white
black
black
blue
blue
blue
blue
JP1
Remote receiving
Indicator
Swing motor Drainage pump Fan motor
Water level switch
Notes:
1.Set jumper JP:For JP1,upper two are
set to OFF,the lower two to ON,and
other JPs are set to OFF.
2.SW2 sets this unit address.
3.
-----------
Field wiring
M
~~
M
EXV
~
M
Connecting indoor/
outdoor units communication
Electronic
expansion valve
red
red
red
ON
OFFOFF OFF
OFFON
OFF
ON
HFLF
MF
OFFOFF
0N
TR1 TR2
(220V~/50Hz)
OFF OFFOFF
0N
OFF
JP1
OFF
SW3.8
SW1.6SW1.4 SW1.5SW1.1 SW1.2
DIP switch SW1 settings:
SW1.3
SW3.5 SW3.6SW3.3 SW3.4
020
030
SW3.1
Model
SW3.2
DIP switch SW3 settings:
OFF
OFF
OFF OFF
SW3.7
OFF
N
N
L
DIPON
12 438765
JP4JP3JP5
JP1
JP2
NEUTRAL
LINE
J1
JP6
LFHF MF J3 J2J4J5J6
KEY1
SW-PB
JP7
AB
CON5
MOTORCON3
EXVCON2
CON4
56
DIP
4321
ON
SW1
SW2
6
DIP
1432
ON
5
ROOM
CON9 OUTID2
WATER
SW3
CON6
Connecting indoor/
outdoor units communication
remote controller
Coil Outlet
temperature sensor
Coil Midlet
temperature sensor
Coil Inlet
temperature sensor
Indoor return air
temperature sensor
Tr ansformer
yellow/green
yellow/green
black
red
blue
blue
red
red
black
blue
yellow
white
blue
yellow
white
Remote receiving
Indicator
Swing motorFan motor
Notes:
1.Set jumper JP:For JP1,upper two are
set to OFF,the lower two to ON,and
other JPs are set to OFF.
2.SW2 sets this unit address.
3.
Please shot water level switch
WATER
.
4.
-----------
Field wiring
~
M
EXV
~
M
Electronic
expansion valve
MCM020/030T
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