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Midea KJRM-120H2/BMWKO-E, Руководство пользователя

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Midea KJRM-120H2/BMWKO-E Скачать руководство пользователя страница 46

42

5 ATTACHED TABLE ABOUT MODBUS

5.1 Communication specification

Interface:RS-485, H1 on the back of the controller, H2 connected to the serial 

port of T/R- and T/R+, H1, H2 as the RS485 differential signal.
The Upper computer is the host,and the slave machine is the wired controller.
The SETTING ADDRESS interface in the SERVICE MENU can set Modbus 

communication Address from 1 to 64.
The communication parameters are as follows:
●  baud rate: 9600bps.
●  Data length: 8 Data bits.
●  check: None Parity.
●  Stop bit: 1 stop bit.
●  communication protocol: Modbus RTU.

Содержание KJRM-120H2/BMWKO-E

Страница 1: ...Owner s Manual Thank you very much for purchasing our product Before using your unit please read this manual carefully and keep it for future reference KJRM 120H2 BMWKO E...

Страница 2: ...cautions that should be brought to your attention during operation In order to ensure correct service of the wire controller please read this manual carefully before using the unit For convenience of...

Страница 3: ...wait for 100 initialization and enter the FCT page After entering the FCT page the version number is displayed All set parameters of the equipment are reset to the default parameters and saved The tim...

Страница 4: ...Contents 1 Safety Precautions 1 2 Overview of Wired Controller 3 3 Function Introduction 8 4 Attached Table 1 Outdoor unit errors and protection codes 38 5 Attached Table About Modbus 42...

Страница 5: ...or to installation The important safety precautions are provided below and must be observed Meanings of marks Caution Means improper handling may lead to personal injuries or material damages Warning...

Страница 6: ...must have acquired the relevant professional knowledge In case of independent installation wrong operations will lead to a fire electric shock or injury Caution in Use Prohibited Do not spray combust...

Страница 7: ...levant interfaces Please set and inquire related parameters according to the outunit model 2 1 Operation Interface Description Enter the menu structure from the home page Come back to the up level Go...

Страница 8: ...te 45 Compressor operating HP No icon CO FC Set temperature Number of parallel units Current ERROR Monitor wired controller icon Anti freezing or manual defrost on Fan operating usage rate 60 Fan on W...

Страница 9: ...is no operation for continuous 60s on any page the wired controller returns to the home page and automatically locks displaying the lock icon Note It can only be locked by long pressing the button fo...

Страница 10: ...TSF ONLINE 16 9 C 7 5 C C 12 04 2019 MON 10 35A MIX ON 45 60 TW TWS TSF ONLINE 16 9 C 7 5 C C 12 04 2019 MON 10 35A FC ON 45 60 TW TWS TSF ONLINE 16 9 C 7 5 C C 12 04 2019 MON 10 35A COMP ON 45 60 TW...

Страница 11: ...address of the unit without DHW function is directly skipped Only Tws T5s and address can be set in cooling heating and DHW mode Tw T5 can only be displayed but not be set DHW can only be power on of...

Страница 12: ...ed by pressing Press to enter its submenu or back to homeage by Back to homepage if there is no operation for 60s under menu page Note the mode menu is invalid when the unit is controlled by modbus or...

Страница 13: ...are as follows QUERY TEMP QUERY OK HISTORY ERRORS QUERY STATE QUERY State query Select STATE QUERY and press Display as follows STATE QUERY SELECT ADDESS STANDBY COOL NIGHT SILENT1 OPERATION STATE 11...

Страница 14: ...e temperature of the unit at that address Back to upper menu by History errors query Select HISTORY ERRORS QUERY and press Display as follows HISTORY ERRORSOUERY SELECT ADDESS 11 E2 11 3 2020 15 05P C...

Страница 15: ...xternal machine are used the daily and weekly time settings of the wired controller are invalid and users cannot enter the timing menu for setting When MODBUS control and the remote control of the ext...

Страница 16: ...press and to select TIMER 1 or TIMER 2 When it stays at other items we can also use to adjust corresponding settings After setting press to confirm saving or press to cancel setting and return to the...

Страница 17: ...you will enter the day timer The operation is the same as the day timer The page refers to the day timer The top displays the set day and Timer 1 or Timer 2 for that day There can be up to 2 timings...

Страница 18: ...SETPOINT DISABLE OK 16 C SETPOINT COOL_1 SETPOINT COOL_2 20 C SETPOINT HEAT_1 SETPOINT HEAT_2 16 C 25 C Press and to select items and or to adjust parameters the lower limit of the set range of HP ref...

Страница 19: ...T SILENT1 NIGHT SILENT1 Press and to select SELECT SILENT press or to select the mode you need 7 types NIGHT SILENT1 4 STANDARD SILENT and SUPER SILENT and press to save Users can check whether it is...

Страница 20: ...els Water Coil Control Press and to select WATER COIL CONTROL and press Display as follows WATER COIL CONTROL COIL CONTROL OK AUTO Press and to select COIL CONTROL and press or to select control mode...

Страница 21: ...Press button to go back to the previous interface Display as follows if the input is incorrect SERVICE MENU SORRY WRONG PASSWORD PLEASE INPUT AGAIN OK 0 0 0 Enter setting page as follows if the input...

Страница 22: ...TE QUERY H P PRESSURE TP1 DISCHARGE TEMP 3 83 OK 30 30 MPa 20 C 1 00 MPa C C L P PRESSURE 2 9 TP2 DISCHARGE TEMP TH SUCTION TEMP STATE QUERY FAN1 SPEED 850 BACK 850 1800 RPM 1800 P 850 RPM RPM P 5 9 E...

Страница 23: ...ISTORY ERRORS 1 3 Press or to select CLEAR UNIT HISTORY ERRORS and press to confirm Display as follows CLEAR UNIT HIS ERRS SELECTADDRESS DO YOU WANT TO 07 OK YES CLEAR Press or to select SELECT ADDRES...

Страница 24: ...20 Press or to select CLEAR LOCK ERROR and press to confirm Display as follows CLEAR LOCK ERR DO YOU WANT TO OK YES CLEAR press or to select YES or NO and press to confirm...

Страница 25: ...MENU page to select SETTING ADDRESS Can also enter by combining buttons pressing for 3s Press and enter submenu SERVICE MENU OK STATE QUERY SETTING ADDRESS HEAT CONTROL CLEAR HISTORY ERROR 1 3 SETTING...

Страница 26: ...HEAT1 ON TW HEAT1 ON TW HEAT1 OFF 25 45 C C C HEAT2 ALL HEAT2 DISABLE SELECT ADDRESS YES OK 10 1 2 HEAT2 ENABLE T HEAT2 DELAY DT5 HEAT2 OFF 190 10 MIN C NO HEAT2 T4 HEAT2 ON OK 00 01 02 03 04 05 06 07...

Страница 27: ...YES OK 15 2 2 OFFSET H 10 C 08 T4 HEAT 2 C C C Press or to select item and press or to set value Then press to confirm Pump Control Press or to select PUMP CONTROL under SERVICE MENU page Press and en...

Страница 28: ...WITCH ON THE PUMP OK SELECT ADDRESS 07 NO RATIO PUMP 100 Note Can only be set under a single pump The setting range of RATIO PUMP is 30 100 It should ensure its flow meet the requirement of whole unit...

Страница 29: ...ll be displayed at homepage of the wired controller Low outlet water temperature control Press or to select LOW OUTLETWATER CONTROL under SERVICE MENU page Press and enter submenu Suitable for HP UNIT...

Страница 30: ...age Press and enter submenu SERVICE MENU OK VACUUM SWITCH DHW ENABLE FACTORY DATA RESET ENERGY SAVING SWITCH 3 3 VACUUM SWITCH OK VACUUM SWITCH NO Press or to set YES or NO Then press to confirm Power...

Страница 31: ...Note Only applicable to MC SU RN8L B series models For other models please refer to the instructions of the outdoor machine DHW ENABLE Press or to select DHW ENABLE under SERVICE MENU page Press and e...

Страница 32: ...re below PROJECT MENU PLEASE INPUT THE PASSWORD OK 0 0 0 0 The initial password must be obtained by a professional Press the or buttons to change the number to enter and press the or buttons to change...

Страница 33: ...L CONTROL Unit Setting Select SET UNIT AIRCONDITIONING and press to entry Display as follow SET UNIT TWO_COOL_DIFF DT5_ON 2 OK DTIS5 DtTws 8 10 C 1 C TWO_HEAT_DIFF 2 C C C SET UNIT Dtmix FChyser 2 OK...

Страница 34: ...ct item to be set and press or to set value Press to confirm Back to homepage if there is no operation within 60s Detailed setup information Parameter Setting range Tim_Cap_Adj 60s 360s Tw_Cool_diff 1...

Страница 35: ...Select SET DEFROSTING and press to entry Display as follows SET DEFROSTING T_FROST 35 min OK 0 C T_DEFROST_IN T_FROST_OUT 0 C Press or to select item to be set and press or to set value Press to confi...

Страница 36: ...r to set value Press to confirm Back to homepage if there is no operation within 60s Detailed setup information Parameter Setting range SELECT ADDRESS 0 15 COOL MIN TIME 0 5 24h COOL MAX TIME 0 5 24h...

Страница 37: ...TIO and entry the following page to select pump Use in the case of multiple pumps do not send instructions for single pump INV PUMP RATIO MIN RATIO MAX RATIO 70 OK 100 Press or to select item to be se...

Страница 38: ...splay as follows PRECENT OF GLYCOL GLYCOL TYPE SET THE PRECENT ETHE BACK TSAFE PAF PAF 5 C 0 7MPa 1 2 70 0 MPa PRECENT OF GLYCOL HISTORICAL SETTING 04 06 2020 11 30A OK 2 2 80 04 06 2020 11 30A 04 06...

Страница 39: ...ws WATER COIL CONTROL COIL CONTROL OK AUTO Press and to select COIL CONTROL and press or to select control mode AUTO automatically control MANUALON with water coil MANUALOFF without water coil Press t...

Страница 40: ...nd other parameters will be kept consistent note The mode temperature and hysteresis settings can be shared only when the system is powered on 3 Start point of data sharing After the power on off butt...

Страница 41: ...the remote ON OFF control mode and the wired controller icon flash At this point the upper computer network control setting line control mode switch machine is invalid 4 3 10 Monitor Wired Controller...

Страница 42: ...E6 Water tank temperature sensor T5 error 8 E7 Ambient temperature sensor error 9 E8 Power supply phase sequence protector output error 10 E9 Water flow detection error 11 1Eb 2Eb Taf1 the pipe of th...

Страница 43: ...4 P6 Module error 25 P7 High temperature protection of system condenser for 3 times in 60 minutes power failure recovery 26 P9 Water inlet and outlet temperature difference protection 27 PA Abnormal w...

Страница 44: ...minutes power failure recovery 41 1F6 2F6 A system buss voltage error PTC B system buss voltage error PTC 42 Fb Pressure sensor error 43 Fd Suction temperature sensor error 44 1FF 2FF DC fan A error D...

Страница 45: ...908 chip self check failed Module 2 relay blocking or 908 chip self check failed Attached Table 2 Wired control errors and protection codes No Error code Explanation Note 1 E2 Main control and wired...

Страница 46: ...as the RS485 differential signal The Upper computer is the host and the slave machine is the wired controller The SETTING ADDRESS interface in the SERVICE MENU can set Modbus communication Address fro...

Страница 47: ...ass 20 Exception code specification Exception code MODBUS name Remarks 01 illegal function code Function code not supported by wired controller 02 illegal data address The address sent in query or set...

Страница 48: ...t remote control state is enabled Only Cool Free Cooling 1 Cooling 8 Off Outlet water temp set Tws 1 Only Cool Free Cooling Max 8 TSafe C 20 C Normal Heat Pump TwsMin C 20 C HEAT MODE 25 C 55 C Second...

Страница 49: ...COOL_1 102 Only Cool Free Cooling Max 8 TSafe C 20 C Normal Heat Pump TwsMin C 20 C SETPOINT COOL_2 103 Only Cool Free Cooling Max 8 TSafe C 20 C Normal Heat Pump TwsMin C 20 C SETPOINT HEAT_1 104 25...

Страница 50: ...46 LOW OUTLETWATER CONTROL 148 0 25 C Note 06 16 Write register if the value is written beyond the scope of the note the exception code is returned...

Страница 51: ...Unit Address 100 Enable Disable 1 0 Available for multiple pump DHW MODE ON OFF 207 Unit Address 100 Enable Disable Set as 1 is invalid before DHW SWITCH is set as YES 1 0 Available for multiple pump...

Страница 52: ...ent mode 1 5 Night silent mode 2 6 Night silent mode 3 7 Night silent mode 4 DHW Set Temperature T5S 242 Unit Address 100 Uints 1 C Single pump All units have same T5S Multiple pump All units have ind...

Страница 53: ...0 0 OFF 1 ON SV2 STATE 263 Unit Address 100 0 OFF 1 ON HEAT1 STATE 264 Unit Address 100 0 OFF 1 ON HEAT2 STATE 265 Unit Address 100 0 OFF 1 ON MainBoard Err or protect 272 Unit Address 100 Check the o...

Страница 54: ...dress 100 1 Multiple pump 0 Single pump Tsafe 289 Unit Address 100 Uints 1 C Available for Only Cool Free Cooling MainBoard Software Version 292 Unit Address 100 Mainboard software version 0 stands fo...

Страница 55: ...WP MD20U 034B EN 16127100001177...

Страница 56: ......

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