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
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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
To CN105 Connector on
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
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
HeatG
G1G2G3RTRCTC
W2Y1Y2
W1
PAC-US444CN-1
RS485
To CN105 Connector on
Indoor Unit
Heat Only
Supply
- + G
Supply
- + G
Supply
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Application Note #585
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
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
G
G1G2G3RTRCTC
W2Y1Y2
W1
PAC-US444CN-1
RS485
To CN105 Connector on
Indoor Unit
Cool Only
- + G
Supply
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Application Note #585
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
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
HomeWorks QS Palladiom HVAC Controller
SMC55-RESI
Low
Med
ium
Hig
h
Cool
Heat G
G1G2G3RTRCTC
W2Y1Y2
W1
PAC-US444CN-1
RS485
To CN105 Connector on
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-
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
Low
Med
ium
Hig
h
HeatG
G1G2G3RTRCTC
W2Y1Y2
W1
PAC-US444CN-1
RS485
To CN105 Connector on
Indoor Unit
Heat Only
HomeWorks QS Palladiom HVAC Controller
SMC55-RESI
- + G
Supply
5 Customer Assistance — 1.844.LUTRON1
Application Note #585
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
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
Low
Med
ium
Hig
h
Cool
G
G1G2G3RTRCTC
W2Y1Y2
W1
PAC-US444CN-1
RS485
To CN105 Connector on
Indoor Unit
Cool Only
HomeWorks QS Palladiom HVAC Controller
SMC55-RESI
- + G
Supply
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Application Note #585
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
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Application Note #585
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
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Application Note #585
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
Application Note #585
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
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
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