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DKRCC.EI.RL0.I1.02 / 520H9646 | 3

© Danfoss | DCS (za) | 2015.08

Installation guide | MCX rooftop controller

Wiring Diagram MCX152V -bottom and top

STEPPER

MO
TOR 
2

RS485-1

SD/MMC

ST2 4

ST2 3

ST2 2

ST2 1

RS485-2

MEMOR

Y CARD

MCX152V TOP

ANAL

OG OUTPUT 1-6

ANAL

OG INPUT 1-7

ANAL

OG INPUT 8-14

STEPPER

MO
TOR 
1

ST1 4

ST1 3

ST1 2

ST1 1

AO 6

AO 5

AO 4

COM

AO 3

AO 2

AO 1

COM

COM

COM

15V+

AI 7

AI 6

AI 5

5V+

AI 4

AI 3

AI 2

AI 1

Not used

Damper AO

VS compressors 4

VS compressors 3

Modbus connection

Mixed Air (PT1000)

Outdoor Temp (PT1000)

Fan CT (0 – 5 V DC)

Compr 1 Press (5 V DC)

Compr 2 Press (5 V DC)
Compr 3 Press (5 V DC)
Compr 4 Press (5 V DC)

DP Outside/Mixed Air
Zone CO2(0 – 5 V DC)
Outdoor RH(0 – 5 V DC) 

Zone RH(0 – 5 V DC)
Return Air(PT1000)
Supply Air(PT1000)
Zone Temp(PT1000)

COM

COM

15V+

AI 14

AI 13

AI 12

5V+

AI 11

AI 10

AI 9

AI 8

COM 1

D1 +

D1 -

COM 2

D2 +

D2 -

VS compressors 2

VS compressors 1

Fan AO

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