CoolMaster User Manual
Contents
1. CoolMaster User Manual e Cool _ Automation CoolMaster CoolMaster 1000 XBIMAX LTD www xdimax com Universal Interface Adapter for VRV VRF Air Conditioning Systems CoolMaster 1000D CoolMaster 2000S CoolMaster 3000T CoolMaster 4000M CoolMaster 7000F CoolMaster 8000MH CoolMaster 9000H Revision 1 00 03 10 2011 2008 Cool Automation www coolautomation com e Cool D222 nation CoolMaster User Manual 2 Contents Table of Contents Foreword 0 General Discription 3 el TEE 3 Compatbiliiy EE 3 Main Features EE 4 Functional Discription 5 Specifications 7 Por KC d Tt de 7 EE 7 Technical specifie atoissar Aa EERE EEEE 8 Installation Instructions 9 III H PACE MENT and Moupttpg ttedegeggieierg eeieeseigeegtbeegueeeet deeg ee deeg ariassan H POWER SUDDIY eege 10 Connection to NON VRV VRE UniitS cecceeceeceeceeceecceccnsceecnscesceeceeceeceeceeceeceeseeseaseeseaseaseuseusenseuseneseeeeeseeseess 11 COMME CH Rn e D 12 BRAC ONIONS EE 14 User Interface 15 LCD Screen Ex plat atl ONda aE EE EENEN 15 Led Functions egene eebe 16 PC conheco EEN 16 Comm ahos EC EEN 19 TroubleShooting 20 www coolautomation com 2008 Cool Automation s Cool Cy CoolMaster User Manual 3 General Discription 1 General Discription 1 1 Overview CoolMaster product is a versatile gateway device connecting VRV VRF Air Conditioning systems to BMS Embedded PC or any Home Automation Controller Exposing simple2. et near the BMS Home Automation controller since the length of the RS232 connecting cable is limited see Technical specifications In this case it is advised to use the optional DIN Rail Fixing as shown in the following diagrams Another option is mounting the CoolMaster directly on wall with Wall Mounting Plate Accessories www coolautomation com 2008 Cool Automation s Cool D mation CoolMaster User Manual Installation Instructions 10 4 3 Power Supply The CoolMaster device requires standard power supply of 9V DC voltage The power transformer is included in the kit and differs according to the country of the user Please make sure there is a standard power plug point prepared near the CoolMaster for connection of the power transformer The supplied types of the power transformer are described in the following table AC Parameters Regions amp Countries Picture USA Canada Japan Mexico Brazil South America 110 120 v 60 Hz 220 240 v 50 Hz 220 240 v 50 Hz 220 240 v 50 Hz note It is not recommended to use a substitutional power adaptor gt United Kingdom Australia New Zealand Asia Europe South Africa Israel Russia Hong Kong India www coolautomation com 2008 Cool Automation s Coo Automation CoolMaster User Manual 11 Installation Instructions 4 4 Connection to non VRV VRF Units CoolMaster can be used also with split u
3. imself The latest firmware can be always downloaded from http www coolaut com secdown using the following user name and password User cooluser Password coolpasswd The upgrade process is described in details in Programmers Reference Manual Customizable for Specific Applications CoolMaster has a number of optional functions that can be ordered by demand in order to fit specific customer needs Example of optional features 1 Digital Analog I O 2 Connection to the additional devices such as CoolEx CoolBridge etc www coolautomation com 2008 Cool Automation s Cool D222 nation CoolMaster User Manual Specifications 7 3 Specifications 3 1 Port Definition RS232 Interface connector used in Cool Master is D Type 9 pin DB9 female connector Cool Master DB9 Connector front view DB9 Pin Signal Lvel Description 2 12V TxD Data from Cool Master 3 12V RxD Data to Cool Master 5 GND Ground Connecting Cool Master to Home Automation Equipment RS232 Cable Cool Master Terminal Equipment PC Controller 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 yore Please note that for certain controllers it must be required to use cable with cross linked the Transmit 2 and the emp Receive 3 pins www coolautomation com 2008 Cool A
4. interface over RS232 communication line CoolMaster provides an access to VRV VRF system parameters and enables full control and monitoring of the system by the third party equipment In other words CoolMaster hides complexity of internal Air Conditioning System s communication line including very unique physical layer and provides instead a simple comprehensive well documented protocol running on popular RS232 serial connection The product is provided with LCD that continuously indicates the status of indoor units and malfunction alerts Basic connection of the product within the system can be seen at the following picture Home Automation amp Building Management Systems Personal Computer Main Air Conditioning Communication Line 1 2 Compatibility The CoolMaster range of products is compatible with several leading VRV VRF air conditioning systems Each manufacturer requires different modification of the CoolMaster as described in the following table VRV VRF Manufacturer Product Name Daikin CoolMaster 1000D Sanyo CoolMaster 2000S Toshiba CoolMaster 3000T Mitsubishi Electric CoolMaster 4000M Fujitsu CoolMaster 7000F Mitsubishi Heavy CoolMaster 8000MH Hitachi CoolMaster 9000H In VRV VRFF air conditioning system regardless the specific AC manufacturer CoolMaster should be connected to the main air conditioning communication line The specific details about connection to the AC system are p
5. ion com 2008 Cool Automation s Coo Automation CoolMaster User Manual 18 User Interface supposed to appear at the top of the window At this point all the commands from the command list can be typed and transferred to the air conditioning system tool Master vH 3 1 BLD Dec 10 2007 13 22 42 gt Sonnected 00 00 35 Auto detect 4600 GN www coolautomation com 2008 Cool Automation s Col Gre mation CoolMaster User Manual T EENEG 5 4 Commands List on on lt UID Turn the unit on off off lt UID gt Turn the unit off temp temp lt UID gt lt temp gt Defines the unit s Set Point cool cool lt UID gt Turns the system to the cooling mode heat heat lt UID gt Turns the system to the heating mode fan fan lt UID gt Turns the system to the Fan mode dry dry lt UID gt Turns the system to the Dry mode auto auto lt UID gt Turns the system to the Auto mode fspeed fspeed lt UID gt lt I m h la gt Sets the unit s fan speed swing swing lt UID gt Turns on off swing operation stat Prints the status of the all indoor units stat stat lt UID gt Prints status of the specified indoor unit Stat Prints the status of all indoor units including filter sign stat3 Prints the status of all indoor units when each parameter has a constant place in the string set set lt echo myid gt lt val gt allon Turns all the indoors on alloff Tu
6. lMaster to the system is based on 3 steps 1 Power supply connection 2 Connection to the Air Conditioning Communication line 3 Connection to the BMS Home Automation controller Power Supply connection The power plug is supplied with the CoolMaster and connected as shown in the following figure Connection to the Air Conditioning Communication line The CoolMaster is simply wired to the Main air conditioning Communication Line anywhere within the system It can be wired to the terminals on one of the indoor units directly to the terminals on the outdoor unit or to the terminals on one of the centralized controllers Schematic connection is shown in the diagram below Home Automation amp Building Management Systems Personal Computer www coolautomation com 2008 Cool Automation s Coo Automation CoolMaster User Manual 13 Installation Instructions Make sure to connect the communication wires to exact terminal names according to the table below Daikin Toshiba Sanyo Mitsubishi Fujitsu SEH Hitachi Electric Heavy Main D3 Net TCC Link IS3 Net M Net VRF Super Link H Link H Communication TB3 TB7 ferries New Super Link 2 Line line Link Terminal names P F2 LU U2 LU U2 Mi M2 X1 X2 A B i 2 Polarity Inone bone bone none bone bone bone rie of 64 64 64 po e 28 e Indoors H ee ee eee Outdoors GES wiring Ram Ram Ram Kam am mate required The connection to the CoolMaste
7. n 2 Functional Discription Simple RS232 Interface for Easy Integration CoolMaster is equipped with an RS232 serial port The port can be used in two different ways 1 Configuration and monitoring of the air conditioning system from PC using simple Windows based terminal program See PC connection 2 Connected to Home Automation controller or BMS see Commands List for brief description of supported commands The complete documentation can be found in Programmers Reference Manual Air Conditioning System Monitoring CoolMaster enables Home Automation controllers or BMS to receive the air conditioning system status The status is provided by CoolMaster as a response to stat command The syntax and operands of the command can be found in Programmers Reference Manual CoolMaster can provide following information for each indoor unit in system e Operation mode This parameter indicates whether the required indoor unit is set for Cooling Heating Fan Dry or Auto operation yore The feedback returns the operation mode regardless operation status whether the unit is ON or Off p e Within the same air conditioning system different indoor units can be in different operation mode e Set Point Temperature This is the desired temperature defined by user on the given indoor unit e Fan Speed Currently set fan speed of the monitored indoor unit There are 4 available Fan Speeds High Medium Low and Automatic Note e San
8. nits In this case each indoor has to be provided with a communication interface for example D3 net interface for Daikin Units M Net interface for Mitsubishi Electric units etc All those interfaces are plugged into the PCB of the indoor unit the cable is provided with the interface and their output has to be inter chained by 2 wired communication line similarly to the wiring connection of the indoor units in a regular VRV VRF system CoolMaster has to be connected to this line as shown in the following diagram Bez il il Communication i j 1 j Interface CoolMaster When using the CoolMaster 1000D with KRP928 or DTA102 112 adaptors in Multi Split Sky air range of Daikin Air Conditioning systems a change should be made also inside the CoolMaster itself This change should be made only if there is no VRV Centralized Controller connected to this f1 f2 communication line Step1 Open the top cover of the unit VU H Step 2 Change the position of the dip switch all 4 pins as shown in the following figure IS Original Position Factory supplied New Position yore Please note that when using CoolMatser with Daikin KRP and DTA D3 net interfaces the fan speed control and ex room temperature monitoring is impossible www coolautomation com 2008 Cool Automation s Cool D mation CoolMaster User Manual Installation Instructions 12 4 5 Connection and Wiring The connection of the Coo
9. original positions of the quadruple dip switch SW1 inside CoolMaster when using it with VRV VRF systems www coolautomation com 2008 Cool Automation G Cool Automation CoolMaster User Manual User Interface 15 5 1 User Interface LCD Screen Explanation Two types of screens can appear on the LCD of the CoolMaster One screen shows the indoor units status as shown in the figure and the explanation table below The following table describes what is shown on the LCD Display of the CoolMaster tel DS Number Description Range Example 1 Address of the indoor unit 100 815 Operation Status IS Set Point Temperature SS Ce Bei Mode bg E Cool Heat Fan Dry T RR Cool e Fie pn OK Normal sel Error Status U4 example of Ok malfunction Another screen shows the number of identified indoor units and number of groups U Number of recognized indoor units in the example above 10 G Number of groups in the example above 8 A3 U4 current malfunction codes in the system www coolautomation com 2008 Cool Automation Cool J reemation CoolMaster User Manual User Interface 16 5 2 Led Functions The unit is equipped with 2 leds as can be seen in the figure below Leds indicate whether there is a communication with the Air Conditioning system When there is no communication the upper led is off When the CoolMat
10. r is performed by a specified plug as shown in the picture below The communication wiring usually consists of two wires with 0 75 1 25 mm2 cross section diameters The wiring diameters must be the same as the wires used within the air conditioning system according to the AC manufacturer requirements The total wiring length within the system should not exceed AC manufacturer limitations The following table describes the wiring specifications for different manufacturers Connection to the BMS Home Automation Controller The onboard RS232 connector of the CoolMaster is used for configuration and connection to the BMS Home Automation controller The 1 5 m long RS232 Male female cable is supplied with the CoolMaster yore e In order to operate Daikin Air Conditioning systems all the indoor units must be provided with the centralized addresses e Main Communication Line is defined as the communication line between the indoors and the outdoors e Please make sure not to connect the CoolMaster to the communication line between the indoor unit and its local remote controller www coolautomation com 2008 Cool Automation s Cool D mation CoolMaster User Manual Installation Instructions 14 4 6 Precoutions A 1 During the system automatic operations the CoolMaster must be disconnected from the system Examples of the automatic operations are Attention e Test e Reset e Automatic charge 2 Do not change the
11. r unit There are 4 available fan speeds Low Medium High and Auto Note e Sanyo and Toshiba support all 4 Fan Speeds p e Most of the Daikin indoor units support only 2 Fan Speeds High and Low e Some of the new Daikin units FXDQ P and FXMQ support 3 Fan Speeds High HH Medium H and Low L e Reset Filter Sign Each indoor unit is designed to show a reminder regarding cleaning the filters After certain number of operation hours the filter sign will be shown on the local remote controller The time period after which the sign appears may differ between different types of indoor units CoolMaster enables Home Automation Controllers or BMS to send a command to the system that will reset the filter sign e Swing On Off CoolMaster enables Home Automation Controllers or BMS to change the status of the Swing function on each indoor unit from On to Off and vise versa Swing function is available on wall mounted and cassette type Plug amp Play Device When CoolMaster is connected to the air conditioning system it does not require any additional configuration After connecting the wiring Supplying the power and defining addresses of the indoor units as explained in the installation chapter the system is ready to work Field Upgradeable Firmware When new features are added or some changes has been applied to the CoolMaster s functionality the firmware of the already installed CoolMaster can be easily upgraded by the user h
12. rns all the indoors off boot Runs bootloader simul simul lt N gt Simulates the specified number of indoors filt Resets Filter Sign NOTE gt For detailed updated info please refer to the Programmers reference manual document www coolautomation com 2008 Cool Automation s Col D222 nation CoolMaster User Manual TroubleShooting 20 6 TroubleShooting Symptom Cause LI wieder The LCD of the CoolMaster is off a Check the power adaptor and supplied there is no visible a Incorrect power supply voltage Must be stable 9v DC display on it a Wait for about 5 minutes b Check the connection of the air conditioner communication line Look if the upper led is blinking c If the led is off check the wiring connection lof the communication line After connecting the a It takes several minutes CoolMasier it does fto recognize the system not show on its LCD jb The communication line the correct number of Vo the air conditioner is indoor units connected improperly a Improper serial port definitions b The centralized The communication addresses of the indoor does not work the units are not defined system does not react c The wires transmit and to any of your sent receive of the RS232 cable commands are not twisted d Carriage return has not been added to your command The typed commands A the be The echo 1a Serie Mont o echo command and set echo to screen a Check tha
13. rovided in Connection and Wiring paragraph www coolautomation com 2008 Cool Automation s Col Cm CoolMaster User Manual 4 General Discription Using the CoolMaster with non VRV VRF systems will require additional interface adaptors for each indoor unit VRV VRF i Product Type Interface Adaptor Daikin Split Sky Air Multi KRP928 DTA112 Mitsubishi Electric Mr Slim Multi Split MAC 399IF E PAC SF80MA Toshiba RAV series TCB PCNT30TLE2 The detailed description of the connection can be found in Connection to non VRV VRF Units paragraph CoolMaster can be connected to different home automation controllers that have a controllable RS232 port Vantage Lite Touch Unitronics AMX Crestron Pronto Control4 Domintel etc BMS PC 1 3 Main Features e Simple RS232 Interface for Easy Integration e Monitoring of the Air Conditioning System e Operation Status Operation mode Cool Heat Fan Dry Auto Set Point Temperature Fan Speed Room Temperature Swing status On Off Filter Sign Malfunction code e Controlling of the Air Conditioning System Operation status On Off Operation mode Cool Heat Fan Dry Set Point Temperature Fan Speed Reset Filter Sign Swing On Off Plug amp Play Device Field Upgradeable Firmware Customizable for Specific Applications www coolautomation com 2008 Cool Automation s Col Cm CoolMaster User Manual 5 Functional Discriptio
14. ser senses the communication from the Air Conditioning system the upper led starts blinking The lower led is currently not functioning 5 3 PC connection When the CoolMaster is connected to the air conditioning system it is suggested to check its performance by connecting it to a PC or Laptop In order to do so the device has to be connected to the serial PC Port RS232 or to USB port by using a transformer cable RS232 to USB and appropriate driver After the connection the Hyper Terminal program should be engaged using the following sequence Start gt Programs gt Accessories gt Communications gt Hyper Terminal www coolautomation com 2008 Cool Automation Cool LOS CoolMaster User Manual T DEEN New Connection HyperTerminal Connection Description Ch New Connection Enter a name and choose an icon for the connection Name Icon Disconnected Auto detect Auto detect In the opened window Connection Description an arbitrary name should be chosen Then in the next window named Connect to a correct port has to be chosen at the bottom box called Connect Using for example modem com com4 etc Next the port setting has to be defined as following Bits per second Data bits Parity otop bits Flow control After finishing all those definitions if everything is correct the version of the CoolMaster software is www coolautomat
15. t all port definitions baud rate flow control parity etc are properly defined b Define the centralized addresses of all indoor units c Check and fix the RS232 cable connection twisting the Tx and Rx wires d Add Od at the end of the command that is sent to the CoolMaster www coolautomation com 2008 Cool Automation
16. tain indoor unit there might be more than one malfunction code www coolautomation com 2008 Cool Automation s Col Cm CoolMaster User Manual 6 Functional Discription Controlling the Air Conditioning System e Operation mode CoolMaster enables Home Automation controllers or BMS to set the operation mode of each indoor unit independently Cool Heat Fan Dry and Auto operations are possible nore e For heat pump air conditioning system Coo and Heat operation status cannot be set simultaneously for 2 different indoor units For example once at least one of the indoors has been set for Cool all other indoors within the system cannot be set to Heat e In Daikin air conditioning systems one of the indoors can be set as a master for Cool or Heat operation In this case Cool or Heat operation of the whole air conditioning system may be carried only by sending the Cool or Heat command to this specific indoor unit Sending the Cool or Heat command to other indoors will have no effect e Operation status CoolMaster enables Home Automation controllers or BMS to turn indoor units on and off e Set Point Temperature The Set Point Temperature of each indoor unit can be changed separately in two ways 1 Defining the desired temperature 2 Raising or lowering the existing set temperature by the defined delta e Fan Spped CooMaster enables Home Automation controllers or BMS to change the fan speed of the specified indoo
17. utomation s Col Cm CoolMaster User Manual Specifications 8 3 2 Technical specification Item Specification Power Supply 9v DC Installation Method Wall Mounted or DIN Rail Mounted abe Operating Conditions Temperature G ao Humidity Less then 85 RH Dimensions IH xWxD mm 30 x 115 x 60 Weight or 300 LCD Characters 16 x 1 Maximal number of indoor units Depends on the manufacturer Maximal number of outdoor units Depends on the manufacturer Maximal allowable wiring length to BMS over m 25 RS232 IRS232 9P RS232 Port Femail Connection Communication functions Aircon Communication 2 wired cable www coolautomation com 2008 Cool Automation G Cool Automation CoolMaster User Manual Installation Instructions 9 4 1 4 2 Installation Instructions Accessories Standard Accessories The following accessories are shipped within the kit The power adaptor can be selected according to domestic AC standards see Power Supply Name RS232 Cable Power Adaptor Quantity Shape Optional Accessories The following accessories can be supplied on demand depending on the desired installation location of the CoolMaster Name DIN Rail Fixing Wall Mounting Plate Quantity Shape Placement and Mounting The CoolMaster should be placed in a dry ventilated place It is usually advised to be installed in the electricity clos
18. yo and Toshiba support all 4 Fan Speeds p e Most of the Daikin indoor units support only 2 Fan Speeds High and Low e Some of the new Daikin units FXDQ P and FXMQ support 3 Fan Speeds High HH Medium H and Low L e Room Temperature This is the temperature measured in the return air inside the monitored indoor unit note This temperature measurement shows only the temperature inside the indoor unit and it doesn t always gt indicate correctly the temperature in the room e Swing status This parameter indicates whether the swing operation is on or off in the monitored indoor unit yore e This parameter is only available for wall mounted and cassette type indoor units e Filter Sign Each indoor unit is designed to show a reminder regarding cleaning the filters After certain number of operation hours the filter sign will be shown on the local remote controller The time period after which the sign appears may differ between different types of indoor units e Malfunction code When abnormal operation of the air conditioning system occurs there will be an indication regarding the malfunction The malfunction can be local In this case the specific indoor unit will be halt and malfunction code will appear on the local thermostat When the malfunction is general the whole air conditioning system will stop and the malfunction code will be shown in all local thermostats note e When running stat command for a cer
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