Danfoss MMIGRS2 User manual

520H9703

Installation Guide

MCX rooftop controller

Instruction guide

DKRCC.PI.RI0.L1.22 / 520H9703 | 1

DKRCC.PI.RI0.L1.22

520H9703

MCX152V

Ordering no.

080G0304 = 110/230vac

Identication:

Connection:

MCX08M (Optional)

Ordering no.

080G0029 = 110/230vac

MMIGRS2 (Optional)

Ordering no.

080G0294

IP 20

-20 – 60 °C (0 – 140 °F)

RH max. 90% non condensing

CE COMPLIANCE

This product is designed to comply with the following EU standards:

Low voltage guideline: 73/23/EEC Electromagnetic compatibility EMC:

89/336/EEC and with the following norms:

EN61000-6-1, EN61000-6-3 (immunity for residential, commercial and

light-industrial environments)

EN61000-6-2, EN61000-6-4 (immunity and emission standard for

industrial environments)

EN60730 (Automatic electrical controls for household and similar use)

UL APPROVAL

UL ﬁle: E31024

Supply Voltage

85 – 265 V AC, 50/60 Hz

Maximum power consumption: 27 W, 48 VA

Insulation between power supply and the extra-low

voltage: reinforced

Plugs normally not used

Stepper Motor 1, Stepper Motor 2, Stepper Backup,

RS485-2, Digital Input 18

Modbus

It is important that the installation of the data

communication cable be installed correctly.

Remember to terminate each end of the bus.

See separate literature No. RC8AC.

DO - Digital outputs, 15 pcs. DO1 – DO15

DO1 - DO15, all are relays, no solid state relays

The relays are de-rated to the speciﬁed values

AO - Analog output, 6 pcs. AO1 – AO6

Outputs are 0 – 10 V DC by default

AI - Analog Inputs, 14 pcs. AI1 – AI14

All temperature sensors default to PT1000, Pressure

transducers default to 0.5 – 4.5 V DC ratiometric with

5 V DC supply. All other inputs are 0 – 5 V DC by default

DI - Digital switch inputs DI1 – DI17

All Dry contacts except DI17,

(24 V AC or 230 V AC driven)

Technical data:

2 |DKRCC.EI.RL0.I1.02 / 520H9646 © Danfoss | DCS (za) | 2015.08Installation guide | MCX rooftop controller

110 mm - 4.33 in.

280 mm - 11.02 in. 63 mm - 2.48 in.

Dimensions:

Modbus topology:

AK-SM800:

The cable must be EIA485 rated. The cable is connected from controller to controller, and no branches are allowed on the

cable. If the cable length exceeds 1200 m a repeater must be inserted. One repeater must be added for every 32 controllers.

If the data communication cable runs through an electrically noisy environment which impairs the data signal, one or more

repeaters must be added to stabilise the signal.

When conﬁguring Modbus devices on the control bus, the highest device address that can be used is 124

(max 120 modbus control devices in total - max 45 MCX RTC).

The wires are looped from device to device. A is connected to A and B is connected to B. The screen must be connected to the

system device, all controller and any repeaters. A screen must always be looped from device to device.

The screen must not be connected to anything else.

See AK-SM800 User Guide for system 485 wiring instructions.

Manual can be found at: http://food-retail.danfoss.com/knowledge-center/software/ak-sm-800/

Be sure to conﬁgure the Modbus repeater AKA 222 (code#084B2240) to the correct baud rate.

MCX-RTU baud rate must be set to 38.4 K when used with the AK-SM800. MCX-RTU cannot be on the same 485 bus with SLVs.

Termination

Repeater

DKRCC.EI.RL0.I1.02 / 520H9646 | 3© Danfoss | DCS (za) | 2015.08 Installation guide | MCX rooftop controller

Wiring Diagram MCX152V -bottom and top

STEPPER

MOTOR 2

RS485-1

SD/MMC

ST2 4

ST2 3

ST2 2

ST2 1

RS485-2

MEMORY CARD

MCX152V TOP

ANALOG OUTPUT 1-6 ANALOG INPUT 1-7

ANALOG INPUT 8-14

STEPPER

MOTOR 1

ST1 4

ST1 3

ST1 2

ST1 1

AO 6

AO 5

AO 4

COM

AO 3

AO 2

AO 1

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

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

Contact info:

www.danfoss.com

Installation guide | MCX rooftop controller DKRCC.EI.RL0.I1.02 / 520H9646 | 4

DIGITAL INPUT 18 DIGITAL OUTPUT 9-12 DIGITAL OUTPUT 13-15

STEPPER BACKUP DIGITAL INPUT 1-8 DIGITAL INPUT 9-16

POWER

SUPPLY

MCX152V BOTTOM

CANCAN-RJ ETHERNET DIGITAL INPUT 17

COM

CANL

CANH

R120

COM 17

DI 17

DIGITAL OUTPUT 6-8

NO 8

C 8

NO 7

C 7

NO 6

C 6

DIGITAL OUTPUT 1-5

NO 3

C 3

NO 2

C 2

NO 5

C 5

NO 4

C 4

NO 1

C 1

CAN-RJ

ETH

DI 17H

Input Voltage

110 – 230 V AC

Optional IO Expansion

Optional - Remote Display

Not Used

Cool 4 Proof

Aux Heat 4 (N.O.)

Aux Heat 3 (N.O.)

Aux Heat 2 (N.O.)

Aux Heat 1 (N.O.)

Cool 4 (N.O.)

Cool 3 (N.O.)

Cool 2 (N.O.)

Cool 1 (N.O.)

Stepper Backup

NOT USED

Fan Proof

Phase Loss

Shutdown 1

Shutdown 2

Fan Drive Fault

Compr 1 Drive Fault

Compr 2 Drive Fault

Compr 3 Drive Fault

Compr 4 Drive Fault

Filter Clogged Fault

Damper Override

Title 24

Schedule Override

Cool 1 Proof

Cool 2 Proof

Cool 3 Proof

Reheat (N.O.)

Damper (N.O.)

Heat Reclaim 1 (N.O.)

Heat Pump (N.O.)

Fan Low Speed (N.O.)

Fan High Speed (N.C.)

COM

+ BATT

15V+

COM

DI 9

DI 10

DI 11

DI 12

COM

DI 13

DI 14

DI 15

DI 16

COM

DI 1

DI 2

DI 3

DI 4

COM

DI 5

DI 6

DI 7

DI 8

DI 18H

DI 18

COM 18

C 9

NO 9

C 10

NO 10

C 11

NO 11

C 12

NO 12

C 13

NO 13

NC 13

C 14

NO 14

NC 14

C 15

NO 15

NC 15

Wiring Diagram MCX152V -bottom and top

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