Mitsubishi Electric PUMY-P100VHM Technical & Service Manual Download Page 86

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Accumulator

OPERATING PROCEDURE

PHOTOS

12. Removing the compressor (MC)

(1) Remove the service panel. (See figure 1.)

(2) Remove the top panel. (See figure 1.)

(3) Remove 2 front cover panel fixing screws (5 × 10) and

remove the front cover panel. (See photo 3.)

(4) Remove 2 back cover panel fixing screws (5 × 10) and

remove the back cover panel.

(5) Remove the electrical parts box. (See photo 4.)

(6)

Remove 3 valve bed fixing screws (4 × 10) and 4 ball valve

and stop valve fixing screws (5 × 16) and then remove the

valve bed.

(7) Remove 3 right side panel fixing screw (5 × 10) in the rear

of the unit and then remove the right side panel.

(8) Remove 3 separator fixing screws (4 × 10) and remove

the separator.

(9) Recover refrigerant.

(10) Remove the 3 compressor fixing nuts for motor using

spanner or adjustable wrench.

(11) Remove the welded pipe of motor for compressor inlet

and outlet and then remove the compressor.

Note: Recover refrigerant without spreading it in the air.

Photo 11

Compressor
(MC)

Valve bed

Valve bed fixing

screw

Separator
fixing screw

Valve
bed fixing
screws

Compressor

fixing nut

13. Removing the accumulator

(1) Remove the service panel. (See figure 1.)

(2) Remove the top panel. (See figure 1.)

(3) Remove 2 front cover panel fixing screws (5 × 10) and

remove the front cover panel. (See photo 3.)

(4) Remove 2 back cover panel fixing screws (5 × 10) and

remove the back cover panel.

(5) Remove the electrical parts box. (See photo 4.)

(6)

Remove 3 valve bed fixing screws (4 × 10) and 4 ball valve

and stop valve fixing screws (5 ×16) and then remove the

valve bed.

(7) Remove 3 right side panel fixing screw (5 × 10) in the

rear of the unit and then remove the right side panel.

(8) Recover refrigerant.

(9) Remove 4 welded pipes of power receiver inlet and outlet.

(10) Remove 2 receiver leg fixing screws (4 × 10).

(See photo 13.)

Note: Recover refrigerant without spreading it in the air.

Photo 12

Photo 13

Inlet

Outlet

Separator

Accumulator

Accumulator leg fixing screws

Accumulator

Accumulator leg

Summary of Contents for PUMY-P100VHM

Page 1: ...125VHM PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS HFC utilized R410A Model name indication June 2008 NOTE This service manual describes technical data of outdoor unit As for indoor units refer to its service manual RoHS compliant products have G mark on the spec name plate For servicing of RoHS compliant products refer to the RoHS PART...

Page 2: ...signed for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flar...

Page 3: ...harging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase Although BS model has been designed to be resistant to salt damage observe the following precautions to maintain the performance of the unit 1 Avoid installing the uint in a location where it wil...

Page 4: ...7 0 22 0 24 0 27 0 36 0 Nominal dimensions inch Flare nut dimensions Outside diameter Dimension B mm R410A R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuum gauge and vacuu...

Page 5: ...BM E 25VBM E 32VGM E 40VGM E 50VGM E 20VLEM E 25VLEM E 32VLEM E 40VLEM E 50VLEM E 63VLEM E 20VLRM E 25VLRM E 32VLRM E 40VLRM E 50VLRM E 63VLRM E 40VGM E 63VGM E 100VGM E 125VGM E PLFY P PLFY P PEFY P PDFY P PKFY P PCFY P PFFY P PFFY P 80VMH E F 140VMH E F PEFY P Capacity Model Cassette Ceiling 4 way flow 2 way flow 20VBM E 25VBM E 32VBM E 40VBM E PMFY P 1 way flow Ceiling Concealed Ceiling mounted...

Page 6: ...nit model type Sub number Sub number M NET control Frequency conversion controller Outdoor unit MULTI S Salt proof type Cooling W B 15 24 C D B 5 46 C 1 Heating D B 15 27 C W B 15 15 C Indoor side intake air temperature Outdoor side intake air temperature Cooling Heating capacity indicates the maximum value at operation under the following condition w Cooling Indoor D B 27 C W B 19 0 C Outdoor D B...

Page 7: ...127 280 Refrigerant R410A Charge kg lbs 8 5 18 7 Protection High pressure protection HP switch devices Compressor protection Discharge thermo Over current detection Fan motor protection Overheating Voltage protection Oil Model 2 3 VHM MEL56 VHMA FV50S Total Piping length Max m L 120 Farthest m 80 Max Height difference m 30 Chargeless length m 50 Piping diameter Gas mm in 15 88 5 8 Liquid mm in 9 5...

Page 8: ...he formula in 5 1 2 1 Model 25 14 6 o 2 43kW Model 50 14 6 o 4 87kW The total model capacity of indoor unit is 3 2 o 2 6 3 o 2 19 0 Therefore the capacity of PKFY P25VAM E and PLFY P50VLMD E will be calculated as follows by using the formula in 5 1 2 1 Model 25 16 33 o 2 75kW Model 50 16 33 o 5 41kW 2 8 16 8 5 6 16 8 6 3 19 0 3 2 19 0 2 Sample calculation 1System assembled from indoor and outdoor ...

Page 9: ...90 8 89 2 00 2 50 9 2 11 6 8 8 11 1 8 5 10 6 80 8 00 9 00 2 04 2 54 9 4 11 7 9 0 11 2 8 6 10 8 81 8 10 9 10 2 07 2 57 9 6 11 9 9 2 11 4 8 8 10 9 82 8 20 9 20 2 10 2 60 9 7 12 0 9 3 11 5 8 9 11 0 83 8 30 9 30 2 14 2 64 9 9 12 2 9 5 11 7 9 1 11 2 84 8 40 9 40 2 17 2 67 10 0 12 3 9 6 11 8 9 2 11 3 85 8 50 9 50 2 21 2 70 10 2 12 5 9 8 11 9 9 4 11 4 86 8 60 9 60 2 24 2 74 10 4 12 7 9 9 12 1 9 5 11 6 87...

Page 10: ... 125 11 47 12 66 3 40 3 51 15 7 16 2 15 0 15 5 14 4 14 9 126 11 49 12 67 3 40 3 50 15 7 16 2 15 0 15 5 14 4 14 8 127 11 51 12 68 3 40 3 49 15 7 16 1 15 0 15 4 14 4 14 8 128 11 53 12 69 3 41 3 48 15 8 16 1 15 1 15 4 14 4 14 7 129 11 55 12 70 3 41 3 47 15 8 16 0 15 1 15 3 14 4 14 7 130 11 57 12 71 3 42 3 45 15 8 15 9 15 1 15 3 14 5 14 6 131 11 59 12 73 3 42 3 44 15 8 15 9 15 1 15 2 14 5 14 6 132 11 ...

Page 11: ... 61 11 0 12 0 10 6 11 5 10 1 11 0 2 64 11 2 12 2 10 7 11 7 10 3 11 2 2 67 11 3 12 3 10 8 11 8 10 4 11 3 2 70 11 5 12 5 11 0 11 9 10 5 11 4 2 73 11 6 12 6 11 1 12 1 10 7 11 6 2 76 11 8 12 7 11 3 12 2 10 8 11 7 2 79 11 9 12 9 11 4 12 3 10 9 11 8 2 82 12 1 13 0 11 6 12 5 11 1 11 9 2 85 12 2 13 2 11 7 12 6 11 2 12 1 2 89 12 4 13 3 11 9 12 7 11 4 12 2 2 92 12 6 13 5 12 0 12 9 11 5 12 3 2 95 12 7 13 6 1...

Page 12: ... 1 18 3 18 3 4 33 4 31 20 0 19 9 19 1 19 0 18 3 18 2 4 33 4 30 20 0 19 8 19 1 19 0 18 3 18 2 4 33 4 28 20 0 19 8 19 1 18 9 18 3 18 1 4 33 4 27 20 0 19 7 19 2 18 9 18 4 18 1 4 34 4 26 20 0 19 7 19 2 18 8 18 4 18 0 4 34 4 25 20 0 19 6 19 2 18 7 18 4 18 0 4 34 4 23 20 1 19 5 19 2 18 7 18 4 17 9 4 34 4 22 20 1 19 5 19 2 18 6 18 4 17 9 4 35 4 21 20 1 19 4 19 2 18 6 18 4 17 8 4 35 4 20 20 1 19 4 19 2 18...

Page 13: ...31 3 81 15 3 17 6 14 6 16 8 14 0 16 1 109 10 90 12 17 3 35 3 85 15 5 17 8 14 8 17 0 14 2 16 3 110 11 00 12 28 3 39 3 88 15 7 17 9 15 0 17 2 14 4 16 4 111 11 10 12 39 3 43 3 92 15 9 18 1 15 2 17 3 14 5 16 6 112 11 20 12 51 3 46 3 95 16 0 18 3 15 3 17 5 14 7 16 7 113 11 30 12 63 3 50 3 99 16 2 18 4 15 5 17 6 14 8 16 9 114 11 40 12 75 3 54 4 03 16 4 18 6 15 7 17 8 15 0 17 1 115 11 50 12 88 3 58 4 06 ...

Page 14: ... 174 15 77 18 24 5 40 5 31 25 0 24 5 23 9 23 5 22 9 22 5 175 15 79 18 25 5 40 5 29 25 0 24 5 23 9 23 4 22 9 22 4 176 15 80 18 26 5 41 5 28 25 0 24 4 23 9 23 3 22 9 22 4 177 15 81 18 27 5 41 5 26 25 0 24 3 23 9 23 3 22 9 22 3 178 15 83 18 29 5 41 5 25 25 0 24 3 23 9 23 2 22 9 22 2 179 15 84 18 30 5 41 5 23 25 0 24 2 23 9 23 1 22 9 22 2 180 15 86 18 31 5 42 5 22 25 0 24 1 23 9 23 1 23 0 22 1 181 15 ...

Page 15: ...ual capacity at the rated time Individual capacity under stated conditions total capacity under the stated conditions o total capacity at the rated time Rated cooling capacity Rated heating capacity Indoor D B 27 C W B 19 C Outdoor D B 35 C Indoor D B 20 C Outdoor D B 7 C W B 6 C 3 Capacity correction factor curve Figure 1 PUMY P100VHM PUMY P100VHMA PUMY P100VHMA BS PUMY P125VHM PUMY P125VHMA PUMY...

Page 16: ...Equivalent Piping Length Equivalent length for type P100 125 140 length of piping to farthest indoor unit 0 3 o number of bends in the piping m Length of piping to farthest indoor unit type P100 P140 80m 5 3 3 Correction of Heating Capacity for Frost and Defrosting If heating capacity has been reduced due to frost formation or defrosting multiply the capacity by the appropriate correction factor f...

Page 17: ...0 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUMY P125VHM PUMY P125VHMA BS COOLING MODE HEATING 50 SPL dB 52 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OC...

Page 18: ...or concentration control Less than Over Over Over Over Handle for moving Side Air Intake Front piping cover Rear piping cover Air intake Rear Air Intake Handle for moving Handle for moving Service panel Handle for moving The diagram below shows a basic example Explantion of particular details is given in the installation manuals etc Dimensions of space needed for service access are shown in the be...

Page 19: ...n control Less than Over Over Over Over Handle for moving Side Air Intake Front piping cover Rear piping cover Air intake Rear Air Intake Handle for moving Handle for moving Service panel Handle for moving The diagram below shows a basic example Explantion of particular details is given in the installation manuals etc Dimensions of space needed for service access are shown in the below diagram Fou...

Page 20: ...nector CNDC Connector CNAF Inverter IPM Light Emitting Diodes Inverter Control Status LED1 Reactor Bit Indication 1 Compressor operated 2 52C 3 21S4 4 SV1 5 SV2 6 7 8 Always lit During normal operation The LED indicates the drive state of the controller in the outdoor unit NOTES 1 Refer to the wiring diagrams of the indoor units for details on wiring of each indoor unit Self diagnosis function The...

Page 21: ...LVB CNLVB Connector Connection For Option CN51 Relay X501 505 M NET P B ConnectionTerminal Ground M NET Power Circuit Board TP1 Connection Terminal L N Phase TABS T Connection Terminal DC Voltage TABP1 P2 P Connection Terminal DC Voltage Diode Bridge TABN1 N2 N N F Noise Filter Circuit Board Connection Terminal L Phase LI LO Connection Terminal N Phase NI NO Connection Terminal Ground EI E2 52C Re...

Page 22: ... 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 004 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 005 A transmission wire must be connected to each refrigerant system outdoor and indoor Set addresses Outdoor unit 051 100 Indoor unit 001 050 Remote controller 101 200 PUMY has no 3rd digit switch The address automatically become 100 if it is set as 01 50 Remote con...

Page 23: ...ure switch 63L Thermistor TH7 Outdoor temperature Discharge thermistor TH4 Heatsink thermistor TH8 Thermistor TH3 Pipe temperature Oil separator Service port Service port 4 way valve Strainer Strainer Strainer Stop valve Stop valve Distributor Compressor Strainer Refrigerant flow in cooling Refrigerant flow in heating Refrigerant piping specifications dimensions of flared connector Capillary tube ...

Page 24: ... operation Multiple indoor units operated together by 1 remote controller Unit Indoor unit IC Outdoor unit OC Remote controller RC Range 001 to 050 051 to 100 101 to 150 Setting Method Use the smallest address of all the indoor unit plus 50 Indoor unit address plus 100 a Same as above b Same as above c Set address switch on outdoor unit P C B as shown below Unit Indoor Unit IC Outdoor unit OC Rang...

Page 25: ...s In this case it should be 152 3 or more remote con troller RC cannot be connected to 1 indoor unit The remote controller address is the indoor unit main address plus 100 In this case it should be 101 M1M2 TB5 S 1 2 TB15 01 102 IC Main A B M1M2 TB3 S A B TB7 51 OC S M1M2 TB5 S 1 2 2 TB15 02 IC Sub RC M1M2 TB5 S 1 2 TB15 01 101 RC Main 151 IC M1M2 TB3 S A B TB7 51 OC S M1M2 TB5 S 1 2 TB15 02 IC RC...

Page 26: ...recent address within the same group to the terminal block on the remote controller RC d Connect together terminals M1 M2 and terminal S on the terminal block for central control TB7 for the outdoor unit OC e DO NOT change the jumper connector CN41 on MULTI controller board f The earth processing of S terminal for the centralized control terminal block TB7 is unnecessary Connect the terminal S on ...

Page 27: ...mum length and overall length Never connect together the terminal blocks TB5 for transmission wires for indoor units IC that have been connected to different outdoor units OC Set all addresses to ensure that they are not overlapped M NET remote controller and MA remote controller cannot be connected with the indoor unit of the same group wiring together M1M2 S M1M2S TB7 TB3 IC 51 M1M2S TB5 RC 01 I...

Page 28: ...se non polarized 2 wire b Connect terminals 1 and 2 on transmission cable terminal block TB15 for each indoor unit with the terminal block for the MA remote controller MA 3 Group operation Multiple indoor units operated together by 1 remote controller a The same as above b The same as above c In the case of using 2 remote controllers connect terminals 1 and 2 on transmission cable terminal block T...

Page 29: ...oller cable length R3 R4 R5 R6 200m 0 3 1 25 mm2 Longest transmission cable length The same as above MA remote controller cable length R7 R8 200m 0 3 1 25 mm2 M1M2 TB5 S 1 2 TB15 00 IC A B M1M2 TB3 S M1M2 TB7 00 OC S M1M2 TB5 S 1 2 TB15 00 IC A B MA MA A B RC The MA remote controller and the M NET remote controller cannot be used together with the indoor unit of the same group 3 MA remote controll...

Page 30: ...it IC that has the most recent address within the same group to the terminal block on the remote controller RC d Connect together terminals M1 M2 and terminal S on the terminal block for central control TB7 for the outdoor unit OC e DO NOT change the jumper connector CN41 on MULTI controller board f The earth processing of S terminal for the centralized control terminal block TB7 is unnecessary Co...

Page 31: ...ote Controller Address M1M2S TB7 IC 51 M1M2 1 2 S TB5 TB15 1 2 TB15 1 2 TB15 1 2 TB15 1 2 TB15 1 2 TB15 1 2 TB15 MA 01 IC M1M2S TB5 03 IC M1M2S TB5 02 IC M1M2S TB5 04 IC M1M2S TB5 05 IC M1M2S TB5 07 IC M1M2S TB5 06 MA MA MA OC M1M2S TB7 53 OC S Power Supply Unit S G 50A A B M1M2 S TB3 M1M2 S TB3 A B A B A B M1M2 M1M2 Longest length via outdoor unit M NET cable L1 L2 L3 L4 and L1 L2 L6 L7 500 m 1 2...

Page 32: ...smission cable remote controller cable and power supply cable for secure connection Make sure that all switch settings of address or adjustments for special specification systems are correctly settled 2 Safety check With the insulation tester of 500V inspect the insulation resistance Do not touch the transmission cable and remote controller cable with the tester The resistance should be over 1 0 M...

Page 33: ... for 2 seconds The above steps are the same as a Group settings Changing to the linked operation unit address display state The display shown in Figure 4 will appear when the a button on the remote controller is pressed Displaying the address of the Lossnay unit and linked indoor unit In this situation the indoor unit number will be the lowest address of the group The Lossnay unit will not operate...

Page 34: ...ng after resting the w button again Returning to the normal mode after completing the check Simultaneously press the FILTER and k buttons on the remote controller and hold for 2 seconds to return to the normal mode 3 Clearing an address Refer to section 1 regarding the address entry and section 2 regarding checking addresses a In making group settings Turn off the remote controller The procedure i...

Page 35: ...controller is detected Only M NET Remote controller is detected Only M NET Remote controller is detected Only M NET Remote controller is detected Only M NET Remote controller is detected Only MA Remote controller is detected Only MA Remote controller is detected Only MA Remote controller is detected Only MA Remote controller is detected 0403 Serial transmission trouble Discharge temperature troubl...

Page 36: ...or heat exchanger Locked indoor fan motor Malfunction of indoor fan motor Defective operation of stop valve Not full open Clogged or broken pipe Locked outdoor fan motor Malfunction of outdoor fan motor Short cycle of outdoor unit Dirt of outdoor heat exchanger Decreased airflow caused by defective inspection of outside temperature thermistor It detects lower temperature than actual temperature Di...

Page 37: ...e discharge temp thermistor level When the high pressure sensor and discharge temp thermistor are normal if the above mentioned detecting pressure level and temp are big different from the actual pressure and temp replace the multi controller board 1 Check the resistance of thermistor 2 According to Outdoor unit functions check the outdoor pipe temp thermistor level 3 According to Outdoor unit fun...

Page 38: ...n outdoor unit in same refrigerant sytem stops Also indoor unit except for Fan or OFF mode unit stop 2502 is displayed on stopped unit Detection timing of forced outdoor unit stop Constantly detected during unit operation and stop Releasing of forced outdoor unit stop Reset power supply of both abnormal indoor unit and its outdoor unit in same refrigerant system Forced outdoor unit stop cannot be ...

Page 39: ... 30 minutes constantly 2 Float switch detects to be in the water for 15 minutes constantly Before forced outdoor unit stop condition is met the unit always detects above The indoor unit detecting above stops due to detecting abnormality the outdoor unit in same refrigerant system compressor is inhibited to operate The unit which stops due to detecting abnormality displays 2502 Detection timing of ...

Page 40: ...er circuit board Stop valve of outdoor unit is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective fan of indoor outdoor units Short cycle of indoor outdoor units Defective input circuit of outdoor controller board Defective compressor Failure in the operation of the DC fan motor Failure in the outdoor circuit controller board Check...

Page 41: ...mistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts Connector TH4 contact failure Check whether the connector TH4 in the multi controller board is connected or not When controller detects short open in thermistor at just before of restarting the unit stops due to d...

Page 42: ...ort open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts 1 Connector TH6 contact failure Check whether the connector TH6 in the multi controller board is connected or not When controller detects short open in thermistor at just before of restarting the u...

Page 43: ...er detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit restarts 1 Connector TH3 contact failure Check whether the connector TH3 in the multi controller board is connected or not When controller detects short open in thermistor at just before of res...

Page 44: ...perature in multi controller board is not an actual temperature replace the multi controller board 5110 Heatsink temperature thermistor TH8 internal thermistor of power module When controller detects short open in thermistor during the operation the outdoor unit stops once and restarts operation in 3 minutes When the detected temperature is normal at just before of restarting the outdoor unit rest...

Page 45: ...hen turn on power supply Note Address Attribute displayed on the remote controller shows the controller detecting abnormality 2 When noise has occurred in the transmission signal and the signal has changed Check the transmitted wave and the noise on the transmission line 6602 Transmission processor H W error 1 is shown on the transmission line though the transmission processor transmitted 0 1 When...

Page 46: ... other transmitted data by a defective repeater function which connects and intercepts the transmission of controlling system and centralized control system and it causes abnormal detection Check whether the outdoor unit terminal board for transmission line TB3 and for centralized controller TB7 are connected or not Note Address Attribute displayed on the remote controller shows the controller det...

Page 47: ...it which memorizes the address data cancel the unnecessary address data by the manual setting function of remote controller Cable diameter 1 25 A or more However they are limited to the system which sets the group between different refrigerant systems or which fresh master lossnay are connected 4 Decline of transmission cable voltage and signal by a number of over connected units When there is not...

Page 48: ...d operation with other refrigerant system fresh master the indoor units transmit the signal to the fresh master after the fresh master and same refrigerant system outdoor unit is turned off or turned on again in 2 minutes and detects abnormality The indoor unit detects when there is no reply ACK on transmitting from the indoor unit to the fresh master 2 Contact failure of fresh master or indoor un...

Page 49: ...nse 2 Decline of transmission voltage and signal by transmission cable tolerance over Check the transmission wave and noise on the transmission cable Though there was a reply ACK of having received signal from the other side it is the abnormality when the response command does not return The sending side detects the abnormality continuously 6 times every 30 seconds Note Address Attribute displayed...

Page 50: ... one remote controller to main remote controller and the other to sub remote controller Defect of the transmission and reception circuit of the remote controller Defect of the transmission and reception circuit of the indoor controller board Noise occurs on the transmission cable of the remote controller All remote controllers are set as sub remote controller Defect of the transmission and recepti...

Page 51: ... units 2 Ventilation unit connecting is only 1 unit 7101 Capacity code error When the connected indoor unit models cannot be connected 7101 is displayed The indoor unit models is not possible to connect PUMY P100 125 140VHM The indoor unit of 20 140 code 4 28 is possible to connect PUMY P100 125 140VHMA The indoor unit of 15 40 Code 3 28 is possible to connect Check the model code registration swi...

Page 52: ...display 1 NG flashes The remote controller s transmitting receiv ing circuit is defective The remote controller must be replaced with a new one Where the remote controller is not defective but cannot be operated Error display 2 E3 6833 or 6832 flashes Transmissionisnotpossible There might be noise or interference on the transmission path or the indoor unit or other remote controllers are defective...

Page 53: ...od and solution Though the content of operation is displayed on the remote controller some indoor units do not operate is not displayed on the remote controller MA remote controller is not fed PLEASE WAIT keeps being dis played or it is displayed periodically PLEASE WAIT is usually dis played about 3 minutes after the power supply of the outdoor unit is on The remote controller does not operate th...

Page 54: ... horizontal blow automatically from the downward blow in cooling in case the downward blow operation has been continued for 1 hour At defrosting in heating hot adjusting and thermostat OFF it automatically changes over to horizontal blow Ultra low speed operation is commenced at thermostat OFF Light air automatically change over to set value by time or piping temperature at thermostat ON The fan i...

Page 55: ...ial Setting Set for each capacity Pressure limitation value change Change the indoor unit s LEV opening at start Fixing the indoor units linear expansion valve opening Fix the operation frequency Change the indoor unit s LEV opening at defrost SWU2 2nd digit 0 1 2 3 4 5 6 7 8 9 SWU1 1st digit 0 1 2 3 4 5 6 7 8 9 SWU2 2nd digit 0 1 2 3 4 5 6 7 8 9 SWU1 1st digit 0 1 2 3 4 5 6 7 8 9 1 ON OFF 2 3 4 5...

Page 56: ...eration 1 2 3 4 5 6 7 8 1 2 3 4 5 6 1 2 Function Normal Switch of current limitation reading in a different way Enable Normal Ignore current sensor abnormality Silent mode Demand Control Selection see next page Change of defrosting control Forced defrost Normal Silent mode Normal Forced defrost Enable Enable Normal Restriction of maximum frequency Enable Normal Ignore refrigerant filling abnormali...

Page 57: ...ing SW1 2 Silent mode Silent mode operation Outdoor controller board DIP SW8 1 SW1 SW2 Function Demand control OFF ON ON OFF ON OFF OFF ON OFF ON ON 100 75 50 0 Normal Stop Distant control board Relay circuit External output adapter PAC SA88HA E Outdoor unit control board Remote control panel Relay circuit External input adapter PAC SC36NA Outdoor unit control board Relay power supply Procure loca...

Page 58: ...At the ambient temperature 20 Solenoid valve coil Four way valve 21S4 Motor for compressor MC Normal Abnormal Open or short 1435 150 Measure the resistance between the terminals with a tester At the ambient temperature 20 Normal 1197 10 Abnormal Open or short Solenoid valve coil Bypass valve SV1 Refer to next page Fan motor MF1 MF2 0 188 Measure the resistance between the terminals with a tester W...

Page 59: ...or VDC DC280 340V When ACTM stops DC350V When ACTM is operating TEST POINT VCC between 5 and 4 of the fan connector VCC DC15V Check method of DC fan motor fan motor outdoor controller circuit board No NG NG Wiring contact check Contact of fan motor connector CNF1 2 Fuse check Check the fuse F500 on outdoor controller board Recover wiring Replace outdoor controller board Replace the fan motor Repla...

Page 60: ...70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Thermistor Discharge TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 Temperature Resistance k 0 5 2 5 5 2 5 4 5 Vout V PRESSURE MPa 3 2 1 WHT BLU BLK SENSOR 5V DC GND 63HS Vout MICRO COMPUTER MULTI CONTROLLER BOARD 5V DC Output Vout DC HIGH PRESSURE SENSOR 0 180k 25 50k...

Page 61: ...C 7 5 16V DC CNDC DC280V 350V 1 3 VCC TEST POINT2 Voltage between pins of C82A DC15V Same as CNF1 2 5 4 VSP Voltage between pins of C515 and C516 DC0V when stopped DC1 6 5V when operated Same as CNF1 2 6 4 CNF1 2 Connect to fan motors 1 4 DC280V 350V 5 4 DC15V 6 4 DC0 6 5V 7 4 DC15V when stopped DC0 15V pulse when operated VDC TEST POINT1 Voltage between pins of C510 DC280V 350V Same as CNF1 2 1 4...

Page 62: ...tsink CN5 Detection of primary current Connect to the outdoor noise filter circuit board CN5 CNDC 280V 350V DC 1 3 Connect to the outdoor con troller circuit board TABS T Connect to the outdoor noise filter circuit board Voltage among phases 220 240V AC TABN1 SC N1 Connect to the ACTM TABN2 SC N2 Connect to the ACTM N2 Brief Check of POWER MODULE W Usually they are in a state of being short circui...

Page 63: ...ut Connect to the terminal block TB1 CN5 Primary current Connect to the outdoor power circuit board CN5 LO NO Voltage of 220 240V AC is output Connect to the outdoor power circuit board TABS TABT CNAC1 220 240V AC Connect to the M NET power cir cuit board M P B Outdoor noise filter circuit board PUMY P100VHM PUMY P125VHM PUMY P140VHM ...

Page 64: ...nnect to the earth LI NI Voltage of 220 240V AC is input Connect to the terminal block TB1 CN5 52C driving signal Connect to the outdoor controller circuit board CNLVB LO NO Voltage of 220 240V AC is out put Connect to the outdoor power circuit board CNAC1 220 240V AC Connect to the M NET power circuit board M P B CN5 Primary current Connect to the outdoor power circuit board CN5 RS1 E2 Connect to...

Page 65: ... PUMY P140VHM PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS CN2 Connect to the outdoor multi controller board 1 2 24 30V DC 3 4 24 30V DC CN1 Connect to the outdoor noise filter circuit board 1 3 220 240V AC ...

Page 66: ...operate can not be switched ON and L2 short 100k 1M 1 The breaker operates open W 1 The unit does not operate can not be switched ON 24220Abnormal stop 9 10 No 189 ACTM error display P and L2 short 100k 1M 1 The breaker operates open W 1 The unit does not operate can not be switched ON 24220Abnormal stop 9 10 No 189 ACTM error display P and N1 N2 I short 100k 1M 1 The breaker operates open W 1 The...

Page 67: ...s in trouble and Io open less than 1 1 The unit does not operate can not be switched ON and L2 short 100k 1M 1 The breaker operates open W 1 The unit does not operate can not be switched ON 24220Abnormal stop 9 10 No 189 ACTM error display P and L2 short 100k 1M 1 The breaker operates open W 1 The unit does not operate can not be switched ON 24220Abnormal stop 9 10 No 189 ACTM error display P and ...

Page 68: ...play mode Display on the LED1 2 display data No Delay code 1202 1205 1211 1214 1221 Delay code 1402 1600 1601 4320 4330 4350 Abnormality delay Discharge temperature abnormality Discharge temperature sensor TH4 abnormality Outdoor pipe temperature sensor TH3 abnormality Heatsink thermistor TH8 abnormality Outside air temperature sensor TH7 abnormality Abnormality delay High pressure abnormality Pre...

Page 69: ...o OFF Heating thermo ON Heating thermo OFF ON OFF Heating Cooling Abnormal Normal DEFROST NO Refrigerant pull back no Excitation current no P96 Autochange over fixed mode CN3N1 2 input P95 Undefined CN3S1 2 input P94 Demand CN3D1 3 input P93 Silent CN3D1 2 input 3 min delay no P97 Autochange over permission CN3N1 3 input Display mode Display on the LED1 2 display data No 10001100 01001100 11001100...

Page 70: ... C TH6 ET C TH7 Outdoor temp C TH3 Outdoor pipe C TH8 Power module C IC1 TH23 Gas C IC2 TH23 Gas C IC3 TH23 Gas C IC4 TH23 Gas C IC5 TH23 Gas C IC1 TH22 Liquid C IC2 TH22 Liquid C IC3 TH22 Liquid C IC4 TH22 Liquid C IC5 TH22 Liquid C IC1 TH21 Intake C IC2 TH21 Intake C IC3 TH21 Intake C IC4 TH21 Intake C IC5 TH21 Intake C Outdoor SC cooling C 1 2 3 4 7 5 6 8 Display of actual operating frequency D...

Page 71: ...SC SH C IC3 SC SH C IC4 SC SH C IC5 SC SH C Discharge superheat SHd C Target Pd display heating kgf Target ET display cooling C Target outdoor SC cooling C Target indoor SC SH IC1 C Target indoor SC SH IC2 C Target indoor SC SH IC3 C Target indoor SC SH IC4 C Target indoor SC SH IC5 C TH4 Td F TH3 Outdoor pipe F TH6 ET F TH7 Outdoor temp F High pressure sensor Pd PSIG TH8 Power module F Actual fre...

Page 72: ...y C OC SC cooling at time of abnormality delay C IC1 SC SH at time of abnormality delay C IC2 SC SH at time of abnormality delay C IC3 SC SH at time of abnormality delay C IC4 SC SH at time of abnormality delay C IC5 SC SH at time of abnormality delay C IC1 TH21 Intake F IC2 TH21 Intake F IC3 TH21 Intake F IC4 TH21 Intake F IC5 TH21 Intake F IC6 TH21 Intake F IC7 TH21 Intake F IC8 TH21 Intake F IC...

Page 73: ...ality High pressure sensor data at abnormality kgf TH4 sensor data at time of abnormality C TH6 sensor data at time of abnormality C TH3 sensor data at time of abnormality C TH8 sensor data at time of abnormality C IC1 SC SH at time of abnormality C IC2 SC SH at time of abnormality C IC3 SC SH at time of abnormality C IC4 SC SH at time of abnormality C IC5 SC SH at time of abnormality C 1 2 3 4 5 ...

Page 74: ...ality delay IC8 LEV opening pulse at abnormality delay IC6 SC SH at abnormality delay C IC7 SC SH at abnormality delay C IC8 SC SH at abnormality delay C IC6 LEV opening pulse at time of abnormality IC7 LEV opening pulse at time of abnormality IC8 LEV opening pulse at time of abnormality IC6 SC SH at abnormality C IC7 SC SH at abnormality C IC8 SC SH at abnormality C 1 2 3 4 5 6 7 8 Display on the...

Page 75: ...ion 5 Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord design 245 IEC57 For example use wiring such as YZW 6 Install an earth longer than other cables Warning Be sure to use specified wires to connect so that no external force is imparted to terminal connections If connections are not fixed firmly it may cause heating or fir...

Page 76: ...STEM SWITCH SETTING In order to identify the destinations of signals to the outdoor units indoor units and remote controller of the MULTI S series each microprocessor must be assigned an identification number address The addresses of outdoor units indoor units and remote controller must be set using their settings switches Please consult the installation manual that comes with each unit for detail...

Page 77: ... calculate the electrical characteristics before applying for a capacity agreement with the local electric power company 10 6 1 Obtaining the electrical characteristics of a CITY MULTI S series system 1 Procedure for obtaining total power consumption 1 Please note that the power consumption of the outdoor unit will vary depending on the total capacity of the selected indoor units Total power consu...

Page 78: ... Indoor Unit a b c d 3 Section From Branch to Branch B C D 3 Refrigerant Piping Diameter in Section From Branch to Branch 2 Refrigerant Piping Diameter in Section From Branch to Indoor Unit Indoor Unit Piping Diameter Refrigerant of 3kg equivalent to 50m total extended piping length is already charged when the outdoor unit is shipped Thus if the total extended piping length is 50m or less there is...

Page 79: ...m Outdoor Unit to First Branch A 2 Sections from Branch to Indoor Unit a b c d e f 2 Refrigerant Piping Diameter in Section From Branch to Indoor Unit Indoor Unit Piping Diameter Refrigerant of 3kg equivalent to 50m total extended piping length is already charged when the outdoor unit is shipped Thus if the total extended piping length is 50m or less there is no need to charge with additional refr...

Page 80: ... total extended piping length is already charged when the outdoor unit is shipped Thus if the total extended piping length is 50m or less there is no need to charge with additional refrigerant If the total extended piping length exceeds 50m calculate the required additional refrigerant charge using theprocedure shown on the right If the calculated additional refrigerant charge is a negative amount...

Page 81: ...lumes K and find the room with the smallest volume The part with represents the room with the smallest volume a Situation in which there are no partitions 3 Use the results of calculations 1 and 2 to calcu late the refrigerant concentration If the calculation results do not exceed the maximum concen tration perform the same calculations for the larger second and third room etc until it has been de...

Page 82: ...3 Disconnect the connecting wire from terminal block 4 Remove all the following connectors from Multi controller board fan motor thermistor Outdoor pipe thermistor Discharge thermistor Low pressure saturated temp thermistor Outdoor high pressure switch high pressure sensor low pressure switch 4 way valve coil and bypass valve coil Pull out the disconnected wire from the electrical parts box Diagra...

Page 83: ...eplacing thermistor Low pressure saturated temp TH6 replace it together with thermistor Outdoor TH7 since they are combined together Refer to No 5 below to remove thermistor Outdoor TH7 Thermistor TH6 Electrical parts box 5 Removing the thermistor Outdoor TH7 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Disconnect the connector TH7 red on the Multi controller board...

Page 84: ...al parts box 4 Pull out the thermistor Outdoor pipe TH3 and thermistor Discharge TH4 from the sensor holder Thermistor Discharge TH4 Thermistor Outdoor pipe TH3 Compressor MC 4 way valve coil fixing screw 8 Removing the 4 way valve 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 3 valve bed fixing screws 4 10 and 4 ball valve and stop valve fixing screws 5 16 a...

Page 85: ...anel 5 Pull out the lead wire of high pressure switch and low pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch and low pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the high pressure switch and low pressure switch cover them with a...

Page 86: ...he compressor Note Recover refrigerant without spreading it in the air Photo 11 Compressor MC Valve bed Valve bed fixing screw Separator fixing screw Valve bed fixing screws Compressor fixing nut 13 Removing the accumulator 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 2 front cover panel fixing screws 5 10 and remove the front cover panel See photo 3 4 Remov...

Page 87: ...1 1 DG12F536H10 BK00C143G80 BK00C142G15 DG79R130H01 T7W E02 662 T7W E02 691 T7W E02 667 R01 E14 686 R01 E25 130 R01 30L 655 R01 E13 658 R01 E11 658 R01 E24 661 T7W E03 668 R01 E01 698 R01 E04 641 R01 E00 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL MITSUBISHI REAR GUARD...

Page 88: ...88 26 25 27 30 29 28 21 24 23 22 1 2 3 10 11 12 13 14 15 16 17 18 19 20 18 4 7 8 9 5 6 13 2 FUNCTIONAL PARTS PUMY P125VHM ...

Page 89: ... T7W E09 259 T7W E26 313 T7W E01 233 T7W E09 254 R01 E66 202 R01 E00 201 R01 E65 202 R01 E02 239 FAN MOTOR PROPELLER FAN NUT CHARGE PLUG COMPRESSOR STOP VALVE BALL VALVE STRAINER ACCUMULATOR OIL SEPARATOR CAPILLARY TUBE H P SENSOR LOW PRESSURE SWITCH BYPASS VALVE SOLENOID VALVE COIL BYPASS VALVE SOLENOID COIL FOUR WAY VALVE 4 WAY VALVE THERMISTOR HIGH PRESSURE SWITCH HEAT EXCHANGER CONTACTOR TERMI...

Page 90: ...90 26 25 27 30 29 28 21 24 23 22 1 2 3 10 11 12 13 14 15 16 17 18 19 20 18 4 7 8 9 5 6 14 1 FUNCTIONAL PARTS PUMY P100VHM PUMY P125VHM PUMY P140VHM 14 RoHS PARTS LIST ...

Page 91: ... E31 716 R01 E02 311 R01 E00 234 R01 E20 259 T7W E31 313 T7W E01 233 R01 E20 254 R01 H00 202 R01 E12 201 R01 E99 202 R01 E06 239 FAN MOTOR PROPELLER FAN NUT CHARGE PLUG COMPRESSOR STOP VALVE BALL VALVE STRAINER ACCUMULATOR OIL SEPARATOR CAPILLARY TUBE H P SENSOR LOW PRESSURE SWITCH BYPASS VALVE SOLENOID VALVE COIL BYPASS VALVE SOLENOID COIL FOUR WAY VALVE FOUR WAY VALVE THERMISTOR HIGH PRESSURE SW...

Page 92: ...92 26 25 27 29 28 21 24 23 22 1 2 3 10 11 12 13 14 15 16 17 18 19 20 4 7 8 9 5 6 18 FUNCTIONAL PARTS PUMY P100VHMA PUMY P125VHMA PUMY P140VHMA PUMY P100VHMA BS PUMY P125VHMA BS PUMY P140VHMA BS ...

Page 93: ...1 242 SOLENOID COIL BYPASS VALVE 1 SV1 16 G T7W E25 242 SOLENOID COIL 4 WAY VALVE 1 1 21S4 17 G R01 E32 403 4 WAY VALVE 1 1 18 G R01 H01 202 THERMISTOR 1 1 TH6 7 19 G R01 E06 208 HIGH PRESSURE SWITCH 1 1 63H 20 G T7W E39 408 HEAT EXCHANGER 1 1 21 G R01 N56 310 CONTROLLER CIRCUIT BOARD 1 1 C B 22 G R01 E27 246 TERMINAL BLOCK 3P M1 M2 S 2 2 TB3 TB7 23 G R01 E02 311 M POWER BOARD 1 1 M NET P B 24 G R...

Page 94: ...W E06 667 FRONT PANEL 1 1 5 G SEPARATOR 1 BK00C143G99 G SEPARATOR 1 BK00C143GB2 6 G R01 E31 686 BASE ASSY 1 G R01 E26 686 BASE ASSY 1 7 G R01 E27 130 MOTOR SUPPORT 1 G R01 E19 130 MOTOR SUPPORT 1 8 G VALVE BED ASSY 1 BK00C142G15 G VALVE BED ASSY 1 BK00C142G29 9 G R01 E01 655 HANDLE 2 2 10 G R01 E13 658 COVER PANEL FRONT 1 G R01 E14 658 COVER PANEL FRONT 1 11 G R01 E11 658 COVER PANEL REAR 1 G R01 ...

Page 95: ...RANCH PIPE Joint Part No DRAIN SOCKET Part No PAC SG61DS E AIR OUTLET GUIDE Part No PAC SG59SG E DRAIN PAN Part No PAC SG64DP E w Need 2 pieces FILTER DRYER For liquid line 9 52 Part No PAC SG82DR E w Only for R410A model Don t use for R22 model AIR GUIDE Part No PAC SH63AG E w Need 2 pieces ...

Page 96: ...G CO LTD Distributed in Jun 2008 No OC376 REVISED EDITION C PDF 7 Distributed in Jan 2008 No OC376 REVISED EDITION B PDF 9 Distributed in Aug 2006 No OC376 REVISED EDITION A PDF 8 Distributed in Mar 2006 No OC376 PDF 9 Made in Japan New publication effective Jun 2008 Specifications subject to change without notice TM ...

Page 97: ...Related Links Model Number PUMY P125VHMA PUMY P100 140VHM_Installation_Manual_ BG79U904H02 PUMY P100 140VHM_Parts_Catalog_ OC376C PUMY P100 140VHM_Service_Manual_ OC376C ...

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Mitsubishi Electric PUMY-P100VHM, Technical & Service Manual

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