Mitsubishi Electric CITY MULTI PURY-200M-B-BM. BSG Service Handbook
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Mitsubishi Electric CITY MULTI PURY-200M-B-BM. BSG Service Handbook

Mitsubishi Electric CITY MULTI PURY-200M-B-BM. BSG Service Handbook

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AIR CONDITIONERS CITY MULTI
PURY-200M-B-BM. BSG
Models
PURY-250M-B-BM. BSG
Service Handbook

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Summary of Contents for Mitsubishi Electric CITY MULTI PURY-200M-B-BM. BSG

  • Page 1 AIR CONDITIONERS CITY MULTI PURY-200M-B-BM. BSG Models PURY-250M-B-BM. BSG Service Handbook...

  • Page 2: Table Of Contents

    CONTENTS Electrical Wiring Diagram [1] Electrical Wiring Diagram ....................... 2 Refrigerant Circuit [1] Refrigerant Circuit Figure......................3 III Control [1] Functions and Factory Settings of the Dipswitches ..............4 IV Test Run Mode [1] Standard Operation Data (Reference Data) ................6 Troubleshooting [1] Check Code Lists........................

  • Page 3: Electrical Wiring Diagram

    [ I Electrical Wiring Diagram ] I Electrical Wiring Diagram [1] Electrical Wiring Diagram POWER-BOARD White Blue DS (Diode stack) Gate amp board (G/A PKG) Power source 200V 3 phase Blue Blue 50/60Hz CNDR1 CN15V1 (9P) (14P) 1 2 3 Yellow CNDC1 1 2 3...

  • Page 4: Refrigerant Circuit Figure

    [ II Refrigerant Circuit ] II Refrigerant Circuit [1] Refrigerant Circuit Figure Solenoid valve block 63HS Distributor HEXb HEXf3 63LS HEXf2 SLEV Comp HEXf1 CV10 Check valve block - 3 -...

  • Page 5: Control

    [ III Control ] III Control [1] Functions and Factory Settings of the Dipswitches 1. Outdoor unit (1) Main board Function according to switch setting Switch setting timing Switch Function Set to 00 or 51-100 with the dial switch Unit address setting Before power on (Note 2) For self diagnosis/...
  • Page 6 [ III Control ] (2) INV board Function according to switch setting Switch setting timing Switch Function • 20A or over just • 20A or over just be- before starting fore starting IDC sensor failure con- • 10A or less after (10A or less after 5 Anytime after power on dition switching...

  • Page 7: Standard Operation Data (Reference Data)

    [ IV Test Run Mode ] IV Test Run Mode [1] Standard Operation Data (Reference Data) 1. PURY (1) Cooling operation Outdoor unit model Operation PURY-200 PURY-250 CMB-104 CMB-104 Power supply V/Hz 200/60 200/60 Ambient Indoor 27.0/19.0 27.0/19.0 DB/WB tempera- °C Outdoor 35.0/24.0...
  • Page 8 [ IV Test Run Mode ] (2) Heating operation Outdoor unit model Operation PURY-200 PURY-250 CMB-104 CMB-104 Power supply V/Hz 200/60 200/60 Ambient Indoor 20.0/- 20.0/- DB/WB tempera- °C Outdoor 7.0/6.0 7.0/6.0 ture No. of operating Unit Indoor units unit Operating conditions Model Main pipe...

  • Page 9: Check Code Lists

    [ V Troubleshooting ] V Troubleshooting [1] Check Code Lists Searched unit Error Code Error code definition Notes 0403 Serial communication error 0900 Test run mode 1102 Abnormal discharge air temperature Liquid level detection temp. 1112 sensor (TH4) Abnormal low pressure saturation temperature Liquid level detection temp.
  • Page 10 [ V Troubleshooting ] Searched unit Error Code Error code definition Notes Indoor gas side pipe (TH23) Pipes on the OA processing 5103 unit (gas side) (TH3) Outdoor liquid level detection (TH3) Temperature sensor OA processing unit (TH1) 5104 failure Liquid level detection (TH4) 5105 Piping (TH5)

  • Page 11: Preliminary Error Code Lists

    [ V Troubleshooting ] [2] Preliminary Error Code Lists Preliminary error code Contents of preliminary error 1202 Abnormal discharge air temp. or discharge air temp. sensor preliminary failure (TH1) 1205 Piping temp. sensor preliminary failure (TH5) 1212 Low pressure saturation temp. or low pressure saturation temp. sensor preliminary failure (TH4) 1213 Low pressure saturation temp.

  • Page 12: Responding To Error Display On The Remote Controller

    [ V Troubleshooting ] [3] Responding to Error Display on the Remote Controller 1. Mechanical system Error definition and error Error Code Cause Check method and remedy detection method 0403 Serial commu- Serial communication er- (1) Faulty wiring Check for wiring between the con- nication error ror between the main nector (CNRS3) on the main board...
  • Page 13 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 1112 (Low pres- 1. If the saturation temp. (1) Gas leak, gas shortage Check the refrigerant amount. sure satura- sensor TH3/4 or temp. (2) Light-load operation Check operating conditions and op- tion tempera...
  • Page 14 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 1301 Abnormal low When starting the com- (1) Inner pressure drop due to Check the low pressure sensor. pressure pressor from Stop Mode a leakage.
  • Page 15 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 1302 Abnormal high 1. If the pressure of (1) LEV failure on the indoor Perform a heating operation and unit pressure 1 2.74MPa [397psi] or check the operation.
  • Page 16 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 1368 (Abnormal If the pressure sensor (1) LEV failure on the indoor Perform a cooling or heating opera- high pressure (liquid side) or the inter- unit tion and check the operation.
  • Page 17 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 1500 Refrigerant An error can be detected (1) Overcharged refrigerant Check the refrigerant amount. overcharge by the discharge temper- (2) Liquid level heater discon- ature superheat and by nection the liquid level of an ac-...
  • Page 18 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 4102 Open phase 1. When turning on the (1) Power supply error Check the voltage of the power sup- power, the operation Open phase of power ply terminal block (TB1) cannot be started be- supply voltage...
  • Page 19 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 4116 RPM error [PKFY-AM only] (1) The connector for fan rota- Check whether the connector for fan 1. If the fan rotation tion speed detection rotation speed detection (CN33) on speed is detected to (CN33) on the indoor con-...
  • Page 20 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 4121 Harmonics ac- Active filter (Communica- (1) Connecting switch to the Turn the connecting switch to the ac- tion device er- tion error to PAC- active filter in the indoor tive filter in the outdoor unit (DIP KB50AAC)
  • Page 21 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 4220 Bus voltage If Vdc 220V or less is de- (1) Power supply surround- Check whether the unit makes an in- drop protection ings stantaneous stop when the detection tected during Inverter op-...
  • Page 22 [ V Troubleshooting ] Temperature sensor failure (indoor unit) Error definition and error Error Code Cause Check method and remedy detection method 5101 Air inlet If a short or an open is de- (1) Thermistor failure Check the thermistor resistor. tected during thermostat (2) Connector contact failure 0°C [32°F]: 15 kΩ...
  • Page 23 [ V Troubleshooting ] Temperature sensor failure (Outdoor unit) Error definition and error Error Code Cause Check method and remedy detection method 5101 Discharge 1. When a short (high (1) Thermistor failure Check thermistor resistance. (TH1) temperature intake) or an open (low tempera- 5103 Liquid level de- (2) Pinched lead wire...
  • Page 24 [ V Troubleshooting ] Temperature sensor failure (BC controller) Error definition and error Error Code Cause Check method and remedy detection method 5111 Liquid inlet 1. When a short (high (1) Thermistor failure Check thermistor resistance. (TH11) temperature intake) or an open (low tempera- 5112 Bypass outlet...
  • Page 25 [ V Troubleshooting ] Error definition and error Error Code Cause Check method and remedy detection method 5201 Low pressure 1. If the high pressure (1) High pressure sensor fail- Check the high pressure sensor. sensor (Out- sensor detects door unit) 0.098MPa [14psi] or (2) Internal pressure drop due less during the opera-...
  • Page 26 [ V Troubleshooting ] 2. Transmission error Error Error definition and error Cause Check method and remedy Code detection method 6600 Address overlaps (1) Two or more remote controllers When 6600 error occurs, deactivate the er- The error is detected when the for the Outdoor units, indoor ror (stop key operation) by the remote con- same address is transmitted...
  • Page 27 [ V Troubleshooting ] Error Error definition and error Cause Check method and remedy Code detection method 6602 Transmission processor hard- (1) When the wiring work of or the polarity of any of the Fresh Master for indoor ware error unit, outdoor unit or BC controller transmission line is performed or is changed while the power is on, the transmitted data will collide, the wave shape will be Although "0"...
  • Page 28 [ V Troubleshooting ] Error Error definition and error Cause Check method and remedy Code detection method 6603 Transmission circuit bus-busy (1) The transmission processor can- No noise indicates that the error source not be transmitted as the short- controller is a failure. 1.
  • Page 29 [ V Troubleshooting ] (1) System with one Outdoor unit Error Code Error definition and error detection method 6607 No ACK abnormality The error is detected when no acknowledgement (ACK signal) is received after the transmission. (eg. When the data is transmitted six times in a row with 30 seconds interval, the error is detected on the transmission side.) Note: The address/attribute appeared on the display on the remote control- ler indicates the controller which did not provide the response (ACK).
  • Page 30 [ V Troubleshooting ] (2) Grouping of units in a system with multiple outdoor units Error Code Error definition and error detection method 6607 No ACK abnormality The error is detected when no acknowledgement (ACK signal) is received after the (Contin- transmission.
  • Page 31 [ V Troubleshooting ] Error Error dis- Detection source ad- Cause Check method and remedy play method dress Fresh Mas- Network No ac- (1) Same causes as (1) - (4) for sys- 1) Turn off the power sources of the out- tem with one outdoor unit remote knowl-...
  • Page 32 [ V Troubleshooting ] Error Error dis- Detection source ad- Cause Check method and remedy play method dress Network Network No ac- (1) Same causes as (1) - (5) for sys- 1) Turn off the power source of the outdoor remote remote knowl-...
  • Page 33 [ V Troubleshooting ] (3) System connected to the system controllers (MELANS) Error Code Error definition and error detection method 6607 No ACK abnormality The error is detected when no acknowledgement (ACK signal) is received after the (Contin- transmission. (eg. When the data is transmitted six times in a row with 30 seconds ued) interval, the error is detected on the transmission side.) Note: The address/attribute appeared on the display on the remote control-...
  • Page 34 [ V Troubleshooting ] Error Error dis- Detection source ad- Cause Check method and remedy play method dress Network Network No ac- Same as grouping of units in a sys- Same remedy as that for grouping of units in remote remote knowl- tem with multiple outdoor units...
  • Page 35 [ V Troubleshooting ] Error Error dis- Detection source ad- Cause Check method and remedy play method dress System Network No ac- 1. Error display on some displays on Check (1) - (3) on the left. controller remote knowl- network remote controllers (SC) controller edgement...
  • Page 36 [ V Troubleshooting ] (4) Errors that are not limited to a particular system Error Code Error definition and error detection method 6607 No ACK abnormality The error is detected when no acknowledgement (ACK signal) is received after the (Contin- transmission.
  • Page 37 [ V Troubleshooting ] Error Error definition and error Cause Check method and remedy Code detection method 6608 No response (1) Any of indoor units, the outdoor 1) When an error occurs at commission- When no response command unit or the BC controller trans- is returned although acknowl- mission line work is performed or Turn off the power source of the out-...
  • Page 38 [ V Troubleshooting ] 3. System error Error Error definition and error Error source Cause Check method and remedy Code detection method 7100 Outdoor unit Total capacity error (1) The model total of indoor 1) Check the model total (capacity units in the system outdoor code total) of indoor units con- The model total of indoor...
  • Page 39 [ V Troubleshooting ] Error Error definition and error Error source Cause Check method and remedy Code detection method 7102 Outdoor unit Error in the number of (1) Number of indoor units 1) Check whether the number of connected units connected to the outdoor units connected to the heat terminal block (TB3) for in-...
  • Page 40 [ V Troubleshooting ] Error Error definition and error Error source Cause Check method and remedy Code detection method 7107 BC controller Port setting error (1) Model total of indoor units Check the settings of the BC control- per each port or per each ler and the branch port number of in- The port with wrong num- port merge is greater than...

  • Page 41: Table Of Led Codes

    [ VI LED Monitor Display on the Outdoor unit Board ] VI LED Monitor Display on the Outdoor unit Board [1] Table of LED Codes LED monitor display Display Item Remarks 1234567890 Relay output LD8 stays lit at all times Crank- display 1 while the power to the mi-...
  • Page 42 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 Outdoor unit Abnor- Abnor- Abnor- Overcur- Radiator Overcur- INV fail- Refriger- The appropriate flag is lit preliminary mal high mal low mal dis- rent pro- plate rent cut- ator over-...
  • Page 43 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 Error codes and prelimi- nary error codes are dis- played. Address and error codes 1001100000 Error record 1 0000 to 9999 are highlighted. If no errors are detected, “----“...
  • Page 44 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 0110110000 TH7 data -99.9 to 999.9 1110110000 0001110000 1001110000 0101110000 LPS data -99.9 to 999.9 1101110000 0011110000 Accumulator Accumulator level: 0-9 (“AL=” is also displayed.) 1011110000 level Increase and...
  • Page 45 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 IC1 address/ IC address is displayed 1011001000 00 to 99 00 to 99 capacity code on the left (LD1-LD4) Capacity code is dis- IC2 address/ played on the right (LD5- ↑...
  • Page 46 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 Outdoor unit Permissi- Cooling Cooling Heating Heating 1111101000 operation Standby Defrost Demand ble stop only main only main mode Cooling Cooling Heating Heating Cooling Cooling Heating Heating only...
  • Page 47 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 1101111000 0011111000 1011111000 0111111000 CS circuit Over 9999, 9999 is dis- choking played. 1111111000 Accumulated 0 to 9999 time for de- tection 0000000100 BC TH11 data -99.9 to 999.9 ↑...
  • Page 48 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 IC7 Liquid 0110100100 pipe tempera- -99.9 to 999.9 ture IC8 Liquid ↑ 1110100100 pipe tempera- ture IC9 Liquid ↑ 0001100100 pipe tempera- ture IC10 Liquid ↑...
  • Page 49 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 IC14 gas pipe 1011010100 -99.9 to 999.9 temperature IC15 gas pipe ↑ 0111010100 temperature IC16 gas pipe ↑ 1111010100 temperature ↑ 0000110100 IC1 SH ↑ 1000110100 IC2 SH ↑...
  • Page 50 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 1011001100 IC14SC -99.9 to 999.9 ↑ 0111001100 IC15 SC ↑ 1111001100 IC16 SC IC1 LEV 0000101100 0000 to 9999 opening IC2 LEV ↑ 1000101100 opening IC3 LEV ↑...
  • Page 51 [ VI LED Monitor Display on the Outdoor unit Board ] Display Item Remarks 1234567890 IC9 operation Operation mode is dis- 0001011100 mode/Branch played on the left (LD1- port address LD4) Branch port addess is IC10 opera- displayed on the right tion mode/ (LD5-LD8) 1001011100...
  • Page 52 Service Handbook PURY-200M-B-BM. BSG PURY-250M-B-BM. BSG Issued in Sep. 2006 HWE06070 New publication effective Sep. 2006. Printed in Japan Specifications subject to change without notice.

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