CoolMaster Programmers Reference Manual (PRM) CoolMaster
Contents
1. 201 2 01 310 3 10 F99 15 99 UID format for Centralized Address mode 1 2 3 Centralized Centralized Address Sign Address Z 00 99 Example UID Centralized Address Z01 01 Z22 22 Centralized Address mode is currently supported for CoolMaster 2000S and 300017 Note For backward compatibility Unit number in System can be represented by hexadecimal numbers couple in range 00 0F equal to decimal 00 15 For example 10A represents Centralized Address 1 15 We recommend not to use this option in future designs www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 8 4 1 4 1 1 Commands Reference Cool Master Commands alloff allon el el ex CO Lem ee Is Q y oO Di at em O m w Ole oO oO a n O a 3 N n Di ND n Di o oO ae ale alsz lt D 3 alloff SYNOPSIS alloff DESCRIPTION Turn off all indoor units EXAMPLE gt alloff OK EXIT CODE OK Request Successfully Executed allon SYNOPSIS allon www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 9 DESCRIPTION Turn on all indoor units EXAMPLE gt allon OK EXIT CODE OK Request Successfully Executed 4 1 3 boot SYNOPSIS boot DESCRIPTION Switch CoolMaster to bootloader mod2. ComPort k D3net gen2 rel 2 3 8 gt lt gt progp DAIKIN COOLGATE bat 1 c ROLN D3net gen2 rel 2 3 8 gt mode COM1 BAUD 9606 DATA 8 STOP 1 PARITY n to off xo n off odsr off octs off dtr off rts off idsr off Dat Sto Tim XON CTS DSR DSR DTR RTS c ROLND3net gen2 rel 2 3 8 gt type DAIKIN COOLGATE INC for device COM1 a Bits p Bits eout ROFF handshaking handshaking sensitivity circuit circuit OFF OFF OFF OFF OFF 1 gt COM1 CoolMaster will react with running address counter on its LCD screen The whole process may take about a few minutes and it ends with EOF and shortly afterwards READY messages on the LCD screen 5 3 Reboot After firmware downloading has being finished you need to power reset CoolMaster If it was entered bootloader mode with BOOT jumper please make sure to close BOOT jumper back before power reset www coolautomation co m 2012 Cool Automation LTD
3. addressed by UID If no UID provided in request response will contain information about all units EXAMPLE gt stat 100 ON 12C 12 41C High Cool OK 101 OFF 32C 04 93C Low Dry OK 102 ON 07C 08 27C High Dry OK 103 OFF 01C 26 84C Med Dry OK 104 ON 04C 24 08C High Dry OK 105 OFF 11C 07 23C Low Dry OK 106 ON 11C 14 91C Auto Dry OK 107 ON 27C 12 94C Med Cool OK OK gt stat 101 101 OFF 32C 04 93C Low Dry OK OK RESPONSE Position in String Example Format Description 0 2 109 NNN Indoor unit Centralized Address www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 16 On Off Status Set Temperature C Room Temperature C Fan Speed Operation Mode 4 6 ON ON or OFF 8 10 23C NNC 12 17 24 08C NN NNC 19 22 Auto Low Med High Auto Top Cool Heat Fan Dry Auto 24 27 Cool Auto Bps HExc AutC AutH 29 32 OK OK or Xn Xnn nnnn See vam command See auto command EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY OK or Failure code This command is obsolete and is supported only for backward compatibility EXTENSIONS CoolMaster 4000M PAC YG Support In CoolMaster 4000M v2 5 6 or higher for PAC YG66 digital I O extender and PAC YG63 analog I O extender stat stat2 stat3 commands output format will differ from the mentioned above e PAC YG66 CoolMaster 4000M v2 5 6 gt stat 012 012 DIG IN
4. slink e 3 8 CoolMaster 1000D Fahrenheit support 20 groups limit CoolMaster 80001 MH e 3 7 PAC YG66 PAC YG63 support for CoolMaster 4000M e 3 6 Centralized Address for 200S 3000T e 3 5 CoolMaster 7000F e 3 4 fixed compatibility notes auto command AutC AutH fspeed t top m for 1000D VAM and Auto modes in stat e 3 3 added vam command www coolautomation com 2012 Cool Automation LTD 7 G CoolMaster PRM Rev 3 11 RS232 Interface 4 2 1 RS232 Interface Mechanical and Electrical Specification RS232 Interface connector used in Cool Master is D Type 9 pin DB9 female connector Cool Master DB9 Connector front view Signal Lvel 12V 12V Connecting Cool Master to Home Automation Equipment RS232 Cable Cool Master Terminal Equipment PC Controller In the picture above it is assumed that Terminal Equipment DB9 connector has RxD line on pin 2 and TxD line on pin 3 This is a standard for PC If a Terminal Equipment Home Automation Controller has a reversed pin out RxD on pin 3 and TxD on pin 2 the crossed RS232 cable must be used to connect TxD to RxD and RxD to TxD According to RS232 specification cable length should not exceed 25m RS232 Cable supplied with Cool Master is 1 5m length suitable for direct connection to PC RS232 serial port www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 RS232 Interface 5 2 2 Port Set
5. 001111 OUT 000001 OK OK Position in String Example Format 0 2 012 NNN 4 6 DIG DIG 8 16 IN 001111 IN XXXXXX 18 27 OUT 0000001 OUT XXXXXXX 29 30 OK OK or nnnn e PAC YG63 CoolMaster 4000M v2 5 6 gt stat 011 011 ANA 007 5 278 8 OK OK Position in String Example Format 0 2 011 NNN 4 6 ANA ANA 8 12 007 5 NNN n 13 17 278 8 NNN n 19 20 OK OK or nnnn Description PAC YG66 Centralized Address PAC YG66 Identification 6 Digital inputs 1 6 status X can be 0 or 1 6 Digital outputs 1 6 status X can be 0 or 1 OK or Failure code Description PAC YG63 Centralized Address PAC YG63 Identification Analog input 1 value Analog input 2 value OK or Failure code www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 17 4 1 16 stat2 SYNOPSIS stat2 UID DESCRIPTION Get Indoor unit s status Specific indoor unit can be addressed by UID If no UID provided in request response will contain information about all units stat2 compared to stat has additional Filter Reset Sign indication EXAMPLE gt stat2 100 ON 12C 12 41C High Cool OK 0 101 OFF 32C 04 93C Low Dry OK 1 102 ON 07C 08 27C High Dry OK 0 103 OFF 01C 26 84C Med Dry OK 0 104 ON 04C 24 08C High Dry OK 0 105 OFF 11C 07 23C Low Dry OK 0 106 ON 11C 14 91C Auto Dry OK 0 107 ON 27C 12 94C Med Cool OK 1 OK gt stat2 101 101 OFF 32C 04 93C Low Dry OK 0 OK RESPONSE Position in Strin
6. CoolMaster Programmers Reference Manual PRM Cool Automation CoolMaster Interface Adapter for VRV VRF Air Conditioning Systems Cool Master 1000D Cool Master 2000S Cool Master 3000T Cool Master 4000M Cool Master 6000L Cool Master 7000F Cool Master 8000I MH Cool Master 9000H Document Revision 3 11 1 17 2012 2012 Cool Automation LTD www coolautomation com Gg CoolMaster PRM Contents 2 Table of Contents Part Revisions History Part Il RS232 Interface 1 Mechanical and Electrical Specification 2 Port Settings re Part III General Protocol Definitions 1 Message format 2 Indoor Unit Addressing Part IV Commands Reference 1 Cool Master Commands cccc ccccessstssessseeseseeaseseneenees CU SE CU ONE boot eere eiee ees CTT GJ SE besteet eege CU SE CC IO US CT CT WE SE el NEE 7 CTIE CC CC Le EE CE LE SE Uu AE ETES PR SWINQ EE MP E A Le Lee DT Re a aoda pe ER En CO E Part V Firmware Update 1 Entering bootloader mode 2 Firmware DoOwmnload ccssssseccsssesecssseeecessseensssseenssssanas 3 Rebopnt sante naar dou ENEE EAR EEN www coolautomation com 2012 Cool Automation LTD Ee G CoolMaster PRM Rev 3 11 Revisions History 3 1 Revisions History Document revision 3 11 Tuesday January 17 2012 e 3 11 CoolMaster 6000L e 3 10 query e 3 9 set baud set
7. T any Supported mha CoolMaster 4000M any Supported mh at CoolMaster 6000L any Supported mh at CoolMaster 7000F any Supported mha CoolMaster 8000I MH any Supported mht CoolMaster 9000H any Supported mh off SYNOPSIS off lt UID gt DESCRIPTION Turn off indoor unit UID EXAMPLE gt off 102 OK www coolautomation com 2012 Cool Automation LTD 4 Z CoolMaster PRM Rev 3 11 Commands Reference 13 EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found EXTENSIONS CoolMaster 4000M PAC YG Support In CoolMaster 4000M v2 5 6 or higher to control PAC YG66 digital I O device following off command format is used off lt UID gt N N is digital output number 1 6 gt off 012 2 OK gt off 012 6 OK 4 1 12 on SYNOPSIS on lt UID gt DESCRIPTION Turn on indoor unit UID EXAMPLE gt on 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found EXTENSIONS CoolMaster 4000M PAC YG Support In CoolMaster 4000M v2 5 6 or higher to control PAC YG66 digital I O device following on command format is used on lt UID gt N N is digital output number 1 6 gt on 012 2 OK gt on 012 6 OK www coolautomation com 2012 Cool Automation LTD 4 G CoolMaster PRM Rev 3 11 Commands Reference 14 4 1 13 set SYNOPSIS set lt option gt lt value gt DESCRIPTION Query or set CoolMaster configuration Wit
8. an f fan speed 0 Low 1 Medium 2 High 3 Auto 4 Top t set temperature 0 OK else failure code e failure code same as in stat2 command a ambient temperature This command is intended for systems with low parsing capabilities EXAMPLE gt query 100 o 1 OK gt query 100 m 0 OK gt query 100 t 25 OK gt query 100 a 27 OK www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 20 4 1 19 gt query 100 E 2 OK gt query 100 e U4 gt query 101 e 0 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY Any CoolMaster swing SYNOPSIS swing lt UID gt lt a h 3 4 6 v gt DESCRIPTION v 2 6 1 Set indoor unit lt UID gt swing to auto horizontal 30 45 60 or vertical Not all indoor unit types support swing EXAMPLE gt swing 101 a OK gt swing 101 h OK gt swing 101 3 OK gt swing 101 4 OK gt swing 101 6 OK gt swing 101 v OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY CoolMaster 1000D v2 5 1 CoolMaster 2000S v2 3 1 CoolMaster 3000T v2 3 1 CoolMaster 4000M v2 3 1 CoolMaster 6000L any CoolMaster 7000F N A Set unit 1 01 swing to auto Set unit 1 01 swing to horizontal Set unit 1 01 swing to 30 Set unit 1 01 swing to 45 Set unit 1 01 swing to 60 Set unit 1 01 swing to verti
9. cal www coolautomation com 2012 Cool Automation LTD 4 Z CoolMaster PRM Rev 3 11 Commands Reference 21 4 1 20 4 1 21 CoolMaster 8000I MH any CoolMaster 9000M any temp SYNOPSIS temp lt UID gt lt TEMPERATURE gt DESCRIPTION Set indoor unit temperature lt TEMPERATURE gt parameter must be decimal number Command can work in relative or absolute manner If plus or minus sign precede lt TEMPERATURE gt parameter it s value will be used as requested delta It means the set temperature will be increased or decreased to that delta Otherwise temperature will be set to the given value EXAMPLE gt temp 101 20 Set unit 1 01 temperature to 20 C OK gt temp 101 1 Decrease unit 1 01 temperature by 1 C OK gt temp 101 3 Increase unit 1 01 temperature by 3 C OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found group SYNOPSIS group lt UID_MASTER gt lt UID gt delall DESCRIPTION Without parameters group command will list current groups With delall parameter command will delete all groups In format with two UID s command will group two units First unit is a master second unit will follow all settings of the master unit EXAMPLE gt group 101 102 Group units 1 01 and 1 02 Unit 1 02 will OK follow all settings of the 1 01 unit gt group List groups 101 gt 101 102 gt 102 OK group delall Delete all groups EXIT CODE OK Re
10. d into bootloader mode In order to do so please connect your PC Laptop to the RS232 port of the CoolMaster Next open the Hyper Terminal program and run boot command This process is described in User Manual document At this point BOOT message should appear on the LCD screen of the CoolMaster Now it is ready for firmware uploading Please close Hyper Terminal program and follow to the next step Firmware Download If for some reason CoolMaster is not responding to boot command or preceding firmware update has failed and CoolMaster is not functioning at all follow the next steps in order to enter bootloader mode Disconnect power supply from the CoolMaster Open CoolMaster top cover Open BOOT jumper shown on the diagram Connect power supply to CoolMaster For CoolMaster 7000F firmware update process is described in separate document For details please contact CoolAutomation support Firmware Download Firmware update is supplied as a set of BAT file s and firmware image s BAT file can be for example progp DAIKIN bat and corresponding image file oam mc Make sure that BAT file and the image file are located in same directory In order to start the process please simply run the BAT file After running BAT file the ComPort selection prompt will appear and the correct port number should be entered in order to proceed www coolautomation com 2012 Cool Automation LTD CoolMaster PRM Rev 3 11 Firmware Update 24
11. e Bootloader mode is used for Firmware Update For details please see the Firmware Update section EXAMPLE gt boot reboot 4 1 4 cool SYNOPSIS cool lt UID gt DESCRIPTION Set indoor unit UID mode to COOL EXAMPLE gt cool 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found 4 1 5 dry SYNOPSIS dry lt UID gt www coolautomation com 2012 Cool Automation LTD 4 Z CoolMaster PRM Rev 3 11 Commands Reference 10 DESCRIPTION Set indoor unit UID mode to DRY EXAMPLE gt dry 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found 4 1 6 heat SYNOPSIS heat lt UID gt DESCRIPTION Set indoor unit UID mode to HEAT EXAMPLE gt heat 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found 4 1 7 auto SYNOPSIS auto lt UID gt DESCRIPTION Set indoor unit UID mode to AUTO Status report for the Indoor Unit in Auto mode can be e Auto Auto Mode e AutC Auto Mode Cooling e AutH Auto Mode Heating EXAMPLE gt auto 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found www coolautomation com 2012 Cool Automation LTD 4 Z CoolMaster PRM Rev 3 11 Commands Reference 11 COMPATIBILITY CoolMaster 1000D v2 5 1 CoolMaster 2000S N A CoolMaster 3000T N A CoolMaster 4000M N A Co
12. g Example Format 0 2 109 NNN 4 6 ON ON or OFF 8 10 23C NNC 12 17 24 08C NN NNC 20 23 Auto Low Med High Auto Top Cool Heat Fan Dry Auto 25 28 Cool Auto Bps HExc AutC AutH 30 32 OK OK or Xn Xnn nnnn 34 0 Oor 1 See vam command See auto command EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY CoolMaster 1000D v 0 3 1 CoolMaster 2000S any CoolMaster 3000T any CoolMaster 4000M any CoolMaster 6000L any CoolMaster 7000F any CoolMaster 8000I MH any CoolMaster 9000H any no Room Temperature support Description Indoor unit Centralized Address On Off Status Set Temperature C Room Temperature C Fan Speed Operation Mode OK or Failure code Filter Reset Sign present www coolautomation com 2012 Cool Automation LTD G CoolMaster PRM Rev 3 11 Commands Reference 18 SEE ALSO CoolMaster 4000M PAC YG Support 4 1 17 stat SYNOPSIS stat3 UID DESCRIPTION Get Indoor unit s status Specific indoor unit can be addressed by UID If no UID provided in request response will contain information about all units stat3 compared to stat2 has no fractional part in the room temperature presentation EXAMPLE gt stat3 100 ON 12C 12C High 101 OFF 32C 04C Low 102 ON 07C 08C High 103 OFF 01C 26C Med 104 ON 04C 24C High 105 OFF 11C 07C Low 106 ON 11C 14C Auto 107 ON 27C 12C Med OK gt stat3 101 101 OFF 32C 04C L
13. hout parameters set command will list all supported configuration options and their values To change option use format with option and value Some options are read only and can not be changed Option Mode 57600 115200 Default is 9600 or set deg F A C line link type for CoolMaster 8000I MH Can be O for Old or N for nee CRW Lob se e eaaa LCD size Gees will simulate given number of units after reset EXAMPLE S N 0041 Query configuration myid OA version 2 echo 1 baud 232 9 lcd 8 0 0 0 simul CS count TO count OK gt set echo 0 Set echo option disable echo OK EXIT CODE OK Request Successfully Executed COMPATIBILITY deg C F v 2 5 6 CoolMaster 1000D only baud v 2 5 8 www coolautomation com 2012 Cool Automation LTD 4 G CoolMaster PRM Rev 3 11 Commands Reference 15 4 1 14 4 1 15 slink v 2 5 7 CoolMaster 8000I MH only master any CoolMaster 6000L only simul SYNOPSIS simul lt N gt DESCRIPTION Simulate N indoor units Simulation mode can be used to debug Home Automation Controller software without connecting CoolMaster to Air Conditioning system line To exit simulation mode set N to zero or restart CoolMaster EXAMPLE gt simul 20 Simulate 20 Indoor Units OK gt simul 0 Terminate simulation mode OK EXIT CODE OK Request Successfully Executed stat SYNOPSIS stat UID DESCRIPTION Get Indoor unit s status Specific indoor unit can be
14. olMaster 6000L any CoolMaster 7000F N A CoolMaster 80001 MH N A CoolMaster 9000H NA fan SYNOPSIS fan lt UID gt DESCRIPTION Set indoor unit UID mode to FAN EXAMPLE gt fan 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found filt SYNOPSIS filt lt UID gt DESCRIPTION Reset filter sign on indoor unit UID EXAMPLE gt filt 102 OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY CoolMaster 1000D v 0 3 1 CoolMaster 2000S v 2 0 9 CoolMaster 3000T any CoolMaster 4000M any www coolautomation com 2012 Cool Automation LTD 4 Z CoolMaster PRM Rev 3 11 Commands Reference 12 4 1 10 4 1 11 CoolMaster 6000L N A CoolMaster 7000F N A CoolMaster 8000I MH any CoolMaster 9000H NA fspeed SYNOPSIS fspeed lt UID gt lt l m h a t gt DESCRIPTION Set indoor unit UID fan speed to low medium high auto top EXAMPLE gt fspeed 101 1 Set unit 1 01 fan speed to low OK gt fspeed 101 m Set unit 1 01 fan speed to medium OK gt fspeed 101 h Set unit 1 01 fan speed to high OK gt fspeed 101 a Set unit 1 01 fan speed to auto OK gt fspeed 101 t Set unit 1 01 fan speed to top OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY any Supported h ecelMasten 10000 2 5 1 Supported mh CoolMaster 2000S any Supported mha CoolMaster 3000
15. ow OK RESPONSE Position in String Example 0 2 109 4 6 ON 8 10 23C 12 14 24C 16 19 Auto 21 24 Cool 26 27 OK 29 0 See vam command See auto command EXIT CODE OK ERROR 1 COMPATIBILITY Cool OK Dry OK Dry OK Dry OK Dry OK Dry OK Dry OK Cool OK hOOOOOHO Dry OK 0 Format NNN ON or OFF NNC NNC Low Med High Auto Top Cool Heat Fan Dry Auto Auto Bps HExc AutC AutH OK or Xn Xnn nnnn Dor Request Successfully Executed Unit with specified UID not found CoolMaster 1000D v 2 0 9 CoolMaster 2000S v 2 0 9 CoolMaster 3000T v 2 0 9 Description Indoor unit Centralized Address On Off Status Set Temperature C Room Temperature C Fan Speed Operation Mode OK or Failure code Filter Reset Sign present www coolautomation com 2012 Cool Automation LTD P G CoolMaster PRM Rev 3 11 Commands Reference 19 CoolMaster 4000M v2 4 5 CoolMaster 6000L any CoolMaster 7000F any CoolMaster 80001 MH any CoolMaster 9000H any no Room Temperature support SEE ALSO CoolMaster 4000M PAC YG Support 4 1 18 query SYNOPSIS query lt UID gt lt o m f t e a gt DESCRIPTION Query on off operation mode fan speed set temperature failure code or ambient temperature for unit UID Query result is provided in numeric or alpha numeric for failure code format Letter Parameter Result o on off 0 off 1 on m mode 0 Cool 1 Heat 2 Auto 3 Dry 4 Haux 5 F
16. quest Successfully Executed ERROR 1 Unit with specified UID not found www coolautomation com 2012 Cool Automation LTD 4 G CoolMaster PRM Rev 3 11 Commands Reference 22 COMPATIBILITY CoolMaster 1000D v 2 4 4 CoolMaster 2000S v 2 4 4 CoolMaster 3000D v 2 4 4 CoolMaster 4000M v 2 4 4 CoolMaster 6000L NA CoolMaster 7000F NA CoolMaster 80001 MH N A CoolMaster 9000H N A Before v2 5 6 number of groups is limited to 4 Beginning from v2 5 6 number of groups is limited to 20 4 1 22 vam SYNOPSIS vam lt UID gt alb x I L h H DESCRIPTION This command controls VMA HRV unit mode and fan speed e a auto mode e b bypass Bps mode x heat exchange HExc mode low fan L low fan with fresh up h high fan H high fan with fresh up On off control for VAM units is performed with regular on off commands EXAMPLE gt vam 101 a VAM unit 101 auto mode OK gt vam 101 L VAM unit 101 low fan speed with fresh up OK gt vam 101 h VAM unit 101 high fan speed OK EXIT CODE OK Request Successfully Executed ERROR 1 Unit with specified UID not found COMPATIBILITY CoolMaster 1000D only v 2 4 7 www coolautomation com 2012 Cool Automation LTD PA CoolMaster PRM Rev 3 11 Firmware Update 23 5 1 5 2 Firmware Update Entering bootloader mode The process of updating CoolMatser s firmware is very simple and straightforward First of all CoolMaster has be switche
17. s Unknown command Unrecognized command name Bad parameters Command has missing or wrong parameters If command was executed CoolMaster will return optional response and exit code Detailed information is provided in topics describing specific commands Indoor Unit Addressing To address specific indoor unit the UID parameter is used in CoolMaster commands UID format is three characters First character is hexadecimal digit in range 0 9 or A F to represent system numbers 0 9 10 15 correspondingly or Z to specify centralized address mode UID Format 1 2 3 System Number Unit Number in System 0 9 A F 00 99 or FF For CoolMaster 4000M System Number must be 0 Unit Number must be 01 50 For CoolMaster 1000D System Number must be in range 1 4 For CoolMaster 2000S 3000T 7000F 8000I MH 9000H System Number should not be 0 For CoolMAster 6000L System Number must be 0 Unit Number must be 00 FF UID reflects the indoor unit address For proper operation of CoolMaster all indoor units have to be given addresses depending on specific AC system type this can be done automatically by system or has to be done manually by integrator You should refer to specific AC system manuals to find out how to set and quire indoor unit addresses Below are examples of accepted UID s UID Indoor Address 100 1 00 101 1 01 www coolautomation com 2012 Cool Automation LTD 7 G CoolMaster PRM Rev 3 11 General Protocol Definitions 7
18. tings For proper communication with Cool Master RS232 Port should be configured with following parameters Baud Rate 9600 Data Bits 8 Parity Control None Stop Bits 1 Flow Control None Below is an example of COM port setup in HyperTerminal application Port Settings Bits per second aen sl Data bits fe H Parity None xl Stop bits Fr x Flow control Restore Defaults Cancel Apply CoolMaster RS232 Port baud rate bits per second can be changed with set baud command www coolautomation com 2012 Cool Automation LTD 7 G CoolMaster PRM Rev 3 11 General Protocol Definitions 6 3 1 3 2 General Protocol Definitions Message format Communication between PC or Home Automation Controller and CoolMaster via RS232 interface is based on text messages Communication example is shown below gt stat 101 command PC to CoolMaster 101 ON 27C 00 00C Auto Dry OK response OK exitcode CoolMaster to PC gt prompt Command message sent to CoolMaster must be terminated by CR carriage return 0x0D LF line feed Ox0A sequence or a single CR character Messages from CoolMaster except prompt character are terminated by CR LF Commands are case sensitive and should not contain leading or trailing spaces The only separator between command name and command parameter s is space character In case of wrong command CoolMaster response can be one of the following string
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