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Mitsubishi Electric Cooling & Heating System VRF - Lutron Palladiom Thermostat Integration

Application Note #585Revision D

December 2017

1 Customer Assistance — 1.844.LUTRON1

Lutron Electronics and Mitsubishi Electric Cooling & Heating (Mitsubishi Electric), a leading supplier of Variable Refrigerant Flow (VRF) technology, have integrated a sleek, intuitive design of the Palladiom thermostat for control of Mitsubishi Electric systems.

This integration is achieved by using a combination of a Mitsubishi Electric thermostat interface along with Lutron hardware as follows:

•MitsubishiPAC-US444CN-1withaLutronFanCoilUnitortheHomeWorksQSPalladiomHVACcontrollerandaPalladiom thermostat

OR

•MitsubishiA1MwithaHomeWorksQSPalladiomthermostat

ThisintegrationisavailableforLutronprojectsintheUnitedStatesonly.

1.0 Overview

2.1 System Topology

2.0 Mitsubishi PAC-US444CN-1

QS Link to Lutron System

Thermostat / Controller Communication Link

PAC-US444CN-1

Contact Closures

To CN105 Connector on

Indoor Unit

Table of Contents1.0 Overview.......................................................................................................................................................................... 12.0MitsubishiPAC-US444CN-1 2.1SystemTopology ...................................................................................................................................................... 1 2.2WiringDiagrams(myRoomFCUControllerwithPACInterface) .............................................................................. 2 2.3WiringDiagrams(HomeWorksQSPalladiomHVACControllerwithPACInterface) ............................................... 4 2.4DIPSwitchConfigurationforPAC-US444CN-1 ....................................................................................................... 43.0 Mitsubishi A1M 3.1SystemTypology ....................................................................................................................................................... 6 3.2AddingaMitsubishiA1MtoaHomeWorksQSDatabase(version12.0ornewer) ................................................. 6 3.3 Editing the HVAC Zone ............................................................................................................................................. 7 3.4 Assigning a Palladiom Thermostat to Control the HVAC Zone ................................................................................ 7

2 www.lutron.com/support

Application Note #585

2.2 Wiring Diagrams (myRoom FCU Controller with PAC Interface)

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 125 117 12986 10

LAN AO4 G 3 5

Supply

GND GNDAI2AI1 AI3 AI4 AI5 DO6 5V-

12V-DI1 DI2 DI3 DI4 DI5 DI6 AO1 AO2

DO4 DO3 DO2 DO1 DO6N

Common

12-24 V~ / 24 V-*Not an isolated power supply

Fan Coil Unit Controller SMC5500050407

Low

Med

ium

Hig

h

Cool

HeatG

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Heat and Cool

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 125 117 12986 10

LAN AO4 G 3 5




Common



Low

Med

ium

Hig

h

HeatG

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Heat Only

Supply

- + G

Supply

- + G

Supply



2.2 Wiring Diagrams (myRoom FCU Controller with PAC Interface) (continued)

•WhenusingtheFCUcontrollerinheatorcoolonlyconfiguration,theFCUcontrollermustbeconfiguredforheatonlyor cool only. By default the controller is set to use both heat and cool.

•ThePAC-US444CN-1interfaceshouldbesuppliedbyaMitsubishidistributor.•TheFCUcontrollermustbepartnumberSMC5500050407fromLutron.•UseonePAC-US444CN-1interfaceperindoorunitcontrolledbythePalladiomthermostat.•24V- power supply is required and field supplied by others.•Use18AWG(1.0mm2)wirebetweenPAC-US444CN-1andLutronFCUcontroller.•TheLutronmyRoomsystemandPalladiomthermostatmustbeprogrammedbyatrainedLutronserviceengineeror

an authorized distributor.

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 125 117 12986 10

LAN AO4 G 3 5

Supply




Common



Low

Med

ium

Hig

h

Cool

G

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Cool Only

- + G

Supply



2.3 Wiring Diagrams (HomeWorks QS Palladiom HVAC Controller with PAC Interface)

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 12

Auto

HeatOn

Set

5 117 12986 10G

LAN AO4 G 3 5

Supply




Common


HomeWorks QS Palladiom HVAC Controller

SMC55-RESI

Low

Med

ium

Hig

h

Cool

Heat G

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Heat and Cool

- +

Supply

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 12

Auto

HeatOn

Set

5 117 12986 10

LAN AO4 G 3 5

SupplyGND GNDAI2AI1 AI3 AI4 AI5 DO6 5V-



Common


Low

Med

ium

Hig

h

HeatG

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Heat Only


SMC55-RESI

- + G

Supply



2.3 Wiring Diagrams (HomeWorks QS Palladiom HVAC Controller with PAC Interface) (continued)

•WhenusingtheHomeWorksQSPalladiomHVACcontrollerinheatorcoolonlyconfiguration,theHomeWorksQSPalladiomHVACcontrollermustbeconfiguredforheatonlyorcoolonly.TheHomeWorksQSPalladiomHVACcontroller must also be configured to control FCUs.

•ThePAC-US444CN-1interfaceshouldbesuppliedbyaMitsubishidistributor.•TheHomeWorksQSPalladiomHVACcontroller must be model number SMC55-RESI from Lutron.•UseonePAC-US444CN-1interfaceperindoorunitcontrolledbythePalladiomthermostat.•24V- power supply is required and field supplied by others.•Use18AWG(1.0mm2)wirebetweenPAC-US444CN-1andLutronHomeWorksQSPalladiomHVACcontroller.• TheLutronHomeWorksQS system and HomeWorksQSPalladiom thermostat must be programmed by a qualified

system programmer.

2.4 DIP Switch Configuration for PAC-US444CN-1

SW2-1OFFSW2-2OFFSW2-3OFFSW2-4OFFSW2-5ONSW2-6ONSW1-1ONSW1-2ONSW1-3OFFSW1-4OFF

Note: AMitsubishiElectrictrainedHVACprofessionalmaychangetheDIPswitchconfigurationsbasedonuser preference.

SW1SW2

1 6 41

SW2 SW1

1 6 1 4

I I I I I II I IION ON

LAN

5

GND GNDAI2

4 3

G

G

+–

5AO

AI1

Supply

Supply

6

RS485

7 8 9 10 11 12

Auto

HeatOn

Set

5 117 12986 10

LAN AO4 G 3 5

Supply




Common


Low

Med

ium

Hig

h

Cool

G

G1G2G3RTRCTC

W2Y1Y2

W1

PAC-US444CN-1

RS485


Indoor Unit

Cool Only


SMC55-RESI

- + G

Supply



3.2 Adding a Mitsubishi A1M to a HomeWorks QS Database (version 12.0 or newer)

3.1 System Typology3.0 Mitsubishi A1M

To add Mitsubishi equipment to the database, go to the designtabofthesoftwareandusethedrop-downmenuto select equipment.Next,findthe3rd Party HVAC device in the toolbox and click on “+” to add the device using HomeWorks12.0ornewer.

NOTE: The default toolbox does not contain this device by default, so it is necessary to edit or create a toolbox to include the 3rd Party HVAC device.

Once the 3rd Party HVAC device has been added to the Equipment area, provide a name for the HVAC device and select Mitsubishi as the Manufacturer.

Whenaddingthe3rdPartyHVACdevice,azoneisautomaticallyaddedbydefaulttotheareawheretheMitsubishi interface is located. To move that HVAC zone to the area the Mitsubishi A1M is located, cut/paste the HVAC zone to the desired area.

Modbus Communication LinkQS Link to HomeWorks QS

Connection to HVAC System

Connection to HVAC System

Thermostat / Controller Communication Link QS Link to HomeWorks QS



To edit a 3rd Party HVAC Zone in the database, go to the designtaboftheHomeWorksQSsoftwareandusethe drop-downmenutoselectloads.Next,findtheHVAC Zonestabontheright-handsideofthescreen.

For each HVAC zone added, provide a Zone Name, select Operating Modes, and select the Fan Speeds that are applicable.UncheckedmodeswillbehiddenwhenusingtheLutronConnectapp.Itisimportanttocheckonlythemodesthatarenecessarysothattheappissimplerfortheenduser.Choosingauser-friendlyzonenameisimportantfor the same reason.

ThefinalstepistoassignaPalladiomThermostattothezone.

UIDreflectstheindoorunitaddress.AllindoorunitsmustbeprovidedwithaddressesdependingonspecificACsystemtype. This can be done automatically by system or must be done manually by integrator. Addresses should be set by a HVAC contractor and the integrator should acquire the addresses from the contractor.

ThePalladiomthermostatisaQSwiredlinkdevicewhichcanactasaremotethermostatcontrolforaMitsubishidevice.ThePalladiomthermostattakesoneaddressofthe99availableonaQSlinkandtherecanbeupto32PalladiomthermostatsperQSlink.WhenusingaPalladiomthermostatwithMitsubishiequipment,thesensorwithinthePalladiomthermostat is not used by the system.

3.3 Editing the HVAC Zone

3.4 Assigning a Palladiom Thermostat to Control the HVAC Zone



The Palladiom thermostat can be added to the project by navigating to Design > Controls and selecting the desired item from the Toolbox.IftheitemsdonotshowintheTemperature tab, they can be added by clicking Edit Toolbox.

SelectthecorrectdevicelocationfromtheAreaTree,hoveroverthecontrol,andthenclick“+” to add the control to the area.

Click on Assign... under the HVAC Controllerfield.

Navigate to Design > Equipment and select the Mitsubishi controller to assign to the Palladiom thermostat.

Click on Assign... under the Assigned Devicesfield.

Click on Assign... to link the controller to the Palladiom thermostat

Click on Assign... to link the Palladiom thermostat to the Mitsubishi controller

The name of the remote temperature control will now be visible in the Assigned Devicesfield.

3.4 Assigning a Palladiom Thermostat to Control the HVAC Zone (continued)

Lutron Electronics Co., Inc.7200 Suter RoadCoopersburg, PA 18036-1299 U.S.A.P/N 048585 Rev. D 12/2017


9

Lutron, HomeWorks and Palladiom are trademarks of Lutron Electronics Co., Inc., registered in the U.S. and other countries.myRoom is a trademark of Lutron Electronics Co., Inc.

Mitsubishi Electric is a registered trademark of Mitsubishi Electric Corporation. The three-diamond logo is a registered logo of Mitsubishi Electric Corporation.

Lutron Contact Numbers

WORLD HEADQUARTERSUSALutron Electronics Co., Inc.7200 Suter RoadCoopersburg, PA 18036-1299TEL: +1.610.282.3800FAX: +1.610.282.1243

[email protected]/support

North & South America Customer AssistanceUSA, Canada, Caribbean:1.844.LUTRON1(1.844.588.7661)Mexico:+1.888.235.2910Central/South America:+1.610.282.6701

EUROPEAN HEADQUARTERS United Kingdom

Lutron EA Limited 125 Finsbury Pavement 4th floor, London EC2A 1NQ United Kingdom (Importer) TEL:+44.(0)20.7702.0657 FAX: +44.(0)20.7480.6899 FREEPHONE (UK): 0800.282.107 TechnicalSupport:+44.(0)20.7680.4481

[email protected]

ASIAN HEADQUARTERS Singapore

Lutron GL Ltd. 15 Hoe Chiang Road #07-03, Tower 15 Singapore 089316 TEL:+65.6220.4666 FAX:+65.6220.4333 TechnicalSupport:800.120.4491

[email protected]

Asia Technical HotlinesNorthernChina:10.800.712.1536 SouthernChina:10.800.120.1536 Hong Kong: 800.901.849 Indonesia:001.803.011.3994 Japan:+81.3.5575.8411 Macau: 0800.401 Taiwan: 00.801.137.737 Thailand:001.800.120.665853 OtherCountries:+65.6220.4666

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