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Danfoss MCX Series Installation Manual page 3

Rooftop controller

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Wiring Diagram MCX152V -bottom and top
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)
© Danfoss | DCS (za) | 2015.08
MCX152V TOP
COM 1
D1 +
D1 -
COM 2
D2 +
D2 -
AI 8
AI 9
AI 10
AI 11
5V+
15V+
COM
COM
AI 12
AI 13
AI 14
Installation guide | MCX rooftop controller
ST2 4
ST2 3
ST2 2
ST2 1
Not used
ST1 4
ST1 3
ST1 2
ST1 1
Damper AO
AO 6
VS compressors 4
AO 5
VS compressors 3
AO 4
COM
VS compressors 2
AO 3
VS compressors 1
AO 2
Fan AO
AO 1
COM
DP Outside/Mixed Air
AI 7
Zone CO2(0 – 5 V DC)
AI 6
Outdoor RH(0 – 5 V DC)
AI 5
COM
COM
15V+
5V+
Zone RH(0 – 5 V DC)
AI 4
Return Air(PT1000)
AI 3
Supply Air(PT1000)
AI 2
Zone Temp(PT1000)
AI 1
DKRCC.EI.RL0.I1.02 / 520H9646 | 3

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