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Mitsubishi Electric Mr.SLIM PCA-A24GA, Руководство по обслуживанию

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4

Gravimeter

Unit

[3] Service tools

Use the below service tools as exclusive tools for R410A refrigerant.

No.

Tool name

Specifications

1

Gauge manifold

·Only for R410A

·Use the existing fitting specifications. (UNF1/2)

·Use high-tension side pressure of 5.3MPa·G or over.

2

Charge hose

·Only for R410A

·Use pressure performance of 5.09MPa·G or over.

3

Electronic scale

4

Gas leak detector

·Use the detector for R134a, R407C or R410A.

5

Adaptor for reverse flow check

·Attach on vacuum pump.

6

Refrigerant charge base

7

Refrigerant cylinder

·Only for R410A

·Top of cylinder (Pink)

·Cylinder with syphon

8

Refrigerant recovery equipment

[2] Additional refrigerant charge

When charging 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.)

OC368C--1.qxp  07.10.22 5:37 PM  Page 4

Содержание Mr.SLIM PCA-A24GA

Страница 1: ...LIST 34 14 RoHS PARTS LIST 37 ON OFF TEMP Indoor unit Model names Service Ref Model name indication October 2007 NOTE This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate For servicing RoHS com pliant products refer to the RoHS PARTS LIST Revision PCA A24 30 36 42GA2 are added in REVISED EDITION C Some descriptions have been modifie...

Страница 2: ...tdoor unit PUZ A NHA PUZ A NHA BS PUY A NHA PUY A NHA BS Data Book No OCS04 2 2 TECHNICAL DATA BOOK PCA A24GA1 PCA A24GA2 PCA A30GA1 PCA A30GA2 PCA A36GA1 PCA A36GA2 PCA A42GA1 PCA A42GA2 Indoor controller board I B has been changed 11 SPECIAL FUNCTION is added PCA A24GA PCA A24GA1 PCA A30GA PCA A30GA1 PCA A36GA PCA A36GA1 PCA A42GA PCA A42GA1 Indoor controller board I B has been changed OC368C 1 ...

Страница 3: ...gerant Keep the tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of the refrigerant oil or malfunction of the compressor 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 Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment ga...

Страница 4: ...onic scale 4 Gas leak detector Use the detector for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charg...

Страница 5: ...CK DAY MONITOR SET CLOCK ON OFF Temperature setting buttons Down Up Timer Menu button Monitor Set button Mode button Return button Set Time buttons Back Ahead Timer On Off button Set Day button Opening the lid ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button Operation button To return operation number Ventilati...

Страница 6: ... Shows the target temperature Day of Week Shows the current day of the week Time Timer Display Shows the current time unless the simple or Auto Off timer is set If the simple or Auto Off timer is set the time to be switched off is shown Sensor indication Displayed when the remote controller sensor is used Locked indicator Indicates that remote controller but tons have been locked Clean The Filter ...

Страница 7: ... Sets any desired room temperature CLOCK display Displays the current time display Displays the order of timer operation display Displays whether timer is on or off Buttons used to set the hour and minute of the current time and timer settings h and min buttons Temperature setting display Indicates the desired temperature setting which is set display Displays selected fan speed display The vertica...

Страница 8: ...10 5 8 37 82 A A kW F L A K min CFM Pa mmAq dB mm in mm in mm in mm in kg lbs Service Ref Power supply phase cycle voltage Max Fuse Size Min Circuit Ampacity External finish Heat exchanger Fan Fan drive o No Fan motor output Fan motor Airflow Low Medium2 Medium1 High External static pressure Operation control Thermostat Noise level Low Medium2 Medium1 High Field drain pipe O D Dimensions Weight W ...

Страница 9: ... PCA A42GA2 NOTCH High Medium1 Medium2 Low SPL dB 45 43 41 40 LINE Single phase 60Hz 208 230V 15 1 Munsell 0 70Y 8 59 0 97 Plate fin coil Sirocco fan direct o 3 0 090 0 69 Dry 20 21 23 25 705 740 810 885 Wet 18 19 21 22 635 670 730 790 0 direct blow Remote controller built in 40 41 43 45 26 1 1 32 1 310 51 9 16 680 26 25 32 270 10 5 8 37 82 A A kW F L A K min CFM Pa mmAq dB mm in mm in mm in mm in...

Страница 10: ...g arrangement 1 Drainage pipe connection 1 1 32 26mm I D 2 Drainage pipe connection for the left arrangement 3 Knockout hole for left drain piping arrangement 4 Refrigerant pipe connection gas pipe side flared connection 4 Gas pipe 5 Liquid pipe MODEL 24 30 3 8 inch 5 8 inch 2 3 4 70 23 32 18 5 1 2 140 150 5 29 32 12 5 8 320 3 1 8 80 48 13 16 1240 50 13 16 1290 47 13 16 1214 51 9 16 1310 7 3 32 18...

Страница 11: ...320 3 1 8 80 5 8 16 3 7 16 87 8 17 32 217 7 3 16 182 7 13 16 198 9 5 8 245 Less than 26 25 32 680 10 5 8 270 300 11 13 16 51 9 16 1310 19 11 16 500 9 13 16 250 1 Drainage pipe connection 1 1 32 26mm I D 2 Drainage pipe connection for the left arrangement 3 Knockout hole for left drain piping arrangement 4 Refrigerant pipe connection gas pipe side flared connection 5 Refrigerant pipe connection liq...

Страница 12: ...er to the indoor unit Installation Manual P B INDOOR POWER BOARD SYMBOL NAME LEGEND I B INDOOR CONTROLLER BOARD FUSE FUSE 6 3A 250V ZNR VARISTOR CN2L CONNECTOR LOSSNAY CN32 CONNECTOR REMOTE SWITCH CN41 CONNECTOR HA TERMINAL A CN51 CONNECTOR CENTRALLY CONTROL SW1 SWITCH MODEL SELECTION wSee Table 1 SW2 SWITCH CAPACITY CODE wSee Table 2 SWE SWITCH EMERGENCY OPERATION X4 RELAY FAN MOTOR X1 RELAY DRAI...

Страница 13: ...s activated indoor fan runs at high speed P B INDOOR POWER BOARD SYMBOL LEGEND NAME I B INDOOR CONTROLLER BOARD FUSE FUSE 6 3A 250V ZNR VARISTOR CN2L CONNECTOR LOSSNAY CN32 CONNECTOR REMOTE SWITCH CN41 CONNECTOR HA TERMINAL A CN51 CONNECTOR CENTRALLY CONTROL SW1 SWITCH MODEL SELECTION wSee Table 1 SW2 SWITCH CAPACITY CODE wSee Table 2 SWE SWITCH EMERGENCY OPERATION X4 RELAY FAN MOTOR X1 RELAY DRAI...

Страница 14: ...liquid TH2 Distributor with strainer 50 Condenser evaporator temperature thermistor TH5 Room temperature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare 9 REFRIGERANT SYSTEM DIAGRAM OC368C 1 qxp 07 10 22 5 37 PM Page 14 ...

Страница 15: ...g to TROUBLESHOOTING BY INFERIOR PHENOMENA 10 3 The trouble is not reoccurring Logged Not logged 1Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred and wiring related 2Reset error...

Страница 16: ...frigerant circuit may have defect 5 Check pipe liquid temperature with remote controller in test run mode If there is extreme difference with actual pipe liquid temperature replace indoor controller board Turn the power off and on again to operate after check P4 Drain sensor DS 1 Suspensive abnormality if short open of thermistor is detected for 30 seconds continuously Turn off compressor and indo...

Страница 17: ...heck clogs of the filter 2 Remove shields 4 Measure the resistance of fan motor s winding Measure the output voltage of fan s connector FAN on the indoor controller board WThe indoor controller board should be normal when voltage of AC 208 230V is detected while fan motor is connected Refer to 10 6 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit Heating mode 1 Check c...

Страница 18: ...umber of connecting remote con troller max 2 units When the above mentioned problem 1 3 are not seen 4 Diagnose remote controllers a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check If abnormality generates again replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 is displayed d When ERC 00 06 is displa...

Страница 19: ...er control board 1 Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board Error code E1 2 Abnormal if the clock function of remote controller cannot be normally operated Error code E2 1 Defective remote controller 1 Replace remote controller PA 2502 2500 Forced compressor stop due to water leakage abnormality 1 When the intake temperature subtra...

Страница 20: ... indoor power board DC13 1V Refer to 10 6 1 When no voltage is output check the wiring connection When output voltage is between DC12 5V and DC13 7V check 5 below 5 Check the wiring connection between indoor controller board and indoor power board Check the fuse on indoor controller board If no problems are found indoor controller board is defective 1 Check the voltage of indoor power supply termi...

Страница 21: ...or controller circuit board 34 Remove remote controller wires and check LED2 on indoor controller board When LED2 is blinking check the shortcut of remote controller wires When LED2 is lit connect remote controller wires again and if LED2 is blinking remote controller is defective if LED2 is lit connection failure of remote controller terminal block etc has returned to normal 4 Receiver for wirele...

Страница 22: ...or short Abnormal Connector PCA A36 42GA 1 2 Normal Vane motor MV 140 160 Red Yellow Red Blue Red Blue Red Pink Brown Yellow Brown Blue Red Orange Red Pink Red Black White Black PCA A24GA 1 2 PCA A30GA 1 2 PCA A36GA 1 2 PCA A42GA 1 2 3 Before you activate emergency operation check the following points 1 Emergency operation cannot be activated when the outdoor unit malfunctions the indoor fan malfu...

Страница 23: ...er board CNDK Between 1 to 3 208 230V AC CN2S Connect to the indoor controller board CN2D Between 1 to 3 12 6 13 7V DC Pin1 Thermistor Characteristic graph Room temperature thermistor TH1 Pipe temperature thermistor TH2 Condenser evaporator temperature thermistor TH5 Thermistor R0 15kΩ 3 Fixed number of B 3480 2 t Rt 15exp 3480 T F Rt 15exp 3480 0 32 F 15kΩ 10 50 F 9 6kΩ 20 68 F 6 3kΩ 25 77 F 5 4k...

Страница 24: ... A CN6V Vane motor output MV CN90 Connect to the wireless remote controller board CNB CN31 Drain sensor DS CN51 Centrally control CN29 Condenser evaporator temperature thermistor TH5 CN24 only PCA A GA2 Connector Back up heating SW1 Model setting SW2 Capacity setting SWE Emergency operation LED1 Power supply I B LED2 Power supply R B LED3 Transmission Indoor outdoor CN3C Transmission Indoor outdoo...

Страница 25: ...re is disco nnected There is no jumper JP1 because these models have the cond eva temperature thermistor TH5 Marks in the table below Jumper wire Short Open Without TH5 With TH5 Model JP1 For product Service parts Indoor controller board type JP3 Service board MODELS PCA A24GA PCA A24GA1 PCA A24GA2 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 PCA A30GA PCA A30GA1 PCA A30GA2 PCA A36GA PCA A36GA1 PCA A36GA2 PCA A4...

Страница 26: ...s 00 Fig 1 1 Back up function only Request code number 312 2 Rotation function Back up function Request code number 313 318 Ex When the request code number is 313 each unit operates alternately in daily cycle Error occurred on main unit Start operation Run Abnormal condition Stop Run Main unit IC 1 Sub unit IC 2 Error occurred on main unit Start operation 1 28 days 1 28 days Run Abnormal condition...

Страница 27: ...urrent setting Setting No Request code No 1 310 No 2 311 No 3 312 No 4 313 No 5 314 No 6 315 Cut in function ON Set point Set temp 8 14 4 F Cut in function ON Set point Set temp 6 10 8 F Cut in function ON Set point Set temp 4 7 2 F Cut in function OFF Monitoring the request code of current setting Setting contents Rotation ON Alternating interval 28days and back up function Rotation ON Alternatin...

Страница 28: ...he button 6 to perform function setting If the above operations are set correctly request code number will appear in data display area at C Example When the request code number is 311 311 appears on the screen at C Refererence You can check the request code number of current setting by setting the request code number 310 320 or 330 and press the button 6 Example When the current setting is Setting...

Страница 29: ... Electrical parts in the electrical box Terminal block for indoor outdoor connecting line TB4 Terminal block for power supply TB2 Terminal block for remote controller TB5 Fan motor capacitor C Indoor control board I B Power board P B There might not be TB2 depending on the model Figure 1 Figure 2 Photo 1 slide Intake grille Intake grille Holding knobs Hinges Pull out the intake grille Electrical c...

Страница 30: ...e fan motor side of the con necting joint 5 Slide the fan motor MF to the left side and pull it out 4 Removing the sirocco fan 1 Remove the air intake grille 2 Remove 1 beam 3 Remove the lower casing while pressing the stoppers at upper side of the casing 4 Loosen the set screws at the connecting joint 5 Remove the sirocco fan and shaft together by sliding the shaft to the left Note Make sure that...

Страница 31: ...panel w Weight of the under panel Approx 2kg 7 Removing the Indoor coil thermistor TH2 TH5 1 Remove the air intake grille See the figure 1 2 Remove the right side panel See the figure 3 3 Remove the relay connector of the pipe thermistor TH2 TH5 4 Remove the screw and remove the check panel 5 Extract the indoor coil thermistor TH2 TH5 from the holder Caution for the installation There is a possibi...

Страница 32: ...guide vane 1 Remove the intake grille See the figure 1 2 Remove the beam 3 Remove the side panels right and left See the figure 3 4 Remove the under panel See the photo 7 5 Remove the drain pan See the photo 8 6 Remove the screw from the guide vane then remove the guide vane 11 Removing the Auto vane 1 Remove the intake grille See the figure 1 2 Remove the left side panel See the figure 3 3 Remove...

Страница 33: ...e the drain pan See the photo 8 7 Unscrew the screw of the pipe cover and remove the pipe cover 8 Unscrew the screw of the pipe support and remove the pipe support 9 Unscrew the screw of the heat exchanger and remove the heat exchanger Remove the heat exchanger with care Since this is quite heavy removing work should be done with more than 2 people wWeight of heat exchanger Approx 5 3kg Photo 11 P...

Страница 34: ... 17J 110 R01 35J 110 R01 E15 114 R01 E20 114 R01 E27 202 R01 17J 202 T7W H23 480 T7W H24 480 MOTOR LEG MOTOR LEG PIECE MOTOR FAN MOTOR FAN MOTOR SHAFT JOINT SIROCCO FAN SIROCCO FAN ROOM TEMPERATURE THERMISTOR SHAFT SLEEVE BEARING BEARING SUPPORT BEARING SUPPORT DRAIN PLUG DRAIN PAN ASSY DRAIN PAN ASSY CASING CASING SIROCCO FAN SIROCCO FAN LIQUID PIPE TEMPERATURE THERMISTOR COND EVA TEMPERATURE THE...

Страница 35: ...0 651 R01 29J 002 R01 E03 002 R01 E00 033 R01 E01 033 R01 37J 085 R01 37J 087 R01 37J 086 T7W E01 501 T7W 051 501 R01 17J 068 R01 E00 068 R01 29J 223 R01 35J 223 R01 17J 523 T7W E00 072 LEFT SIDE PANEL LEFT SIDE PANEL LEFT LEG S PLATE L S PLATE L REAR PANEL REAR PANEL GRILLE HINGE GRILLE CATCH GRILLE ASSY L L FILTER UNDER PANEL W BOARD CASE S PLATE R S PLATE R RIGHT SIDE PANEL RIGHT SIDE PANEL RIG...

Страница 36: ...TE CONTROLLER CORD REMOTE CONTROLLER 4 440V 5 440V 3P L1 L2 GR 3P S1 S2 S3 2P 1 2 PAR 21MAA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C C I B TB2 TB4 TB5 P B R B Parts No Parts Name Specifications 36 42 Wiring Diagram Symbol Recom mended Q ty PCA A GA 24 30 Remarks Drawing No Q ty set 1 2 3 4 5 6 7 8 No 6 5 1 ELECTRICAL PARTS PCA A24GA PCA A30GA PCA A36GA PCA A42GA 2 3 4 ON OFF TEMP 7 8 OC368C 2 qxp 07 10 2...

Страница 37: ...0 R01 19J 110 R01 E15 114 R01 E20 114 R01 H10 202 R01 H09 202 T7W H23 480 T7W H24 480 MOTOR LEG MOTOR LEG PIECE MOTOR FAN MOTOR FAN MOTOR SHAFT JOINT SIROCCO FAN SIROCCO FAN ROOM TEMPERATURE THERMISTOR SHAFT SLEEVE BEARING BEARING SUPPORT BEARING SUPPORT DRAIN PLUG DRAIN PAN ASSY DRAIN PAN ASSY CASING CASING SIROCCO FAN SIROCCO FAN LIQUID PIPE TEMPERATURE THERMISTOR COND EVA TEMPERATURE THERMISTOR...

Страница 38: ...665 R01 18J 661 R01 36J 661 R01 18J 808 T7W E10 668 T7W E11 668 R01 18J 067 R01 36J 067 T7W E08 651 T7W E09 651 R01 30J 002 R01 E14 002 R01 E02 033 R01 E03 033 R01 38J 085 R01 38J 087 R01 38J 086 T7W E03 501 T7W E04 501 R01 18J 068 R01 E01 068 R01 E10 223 R01 E12 223 R01 18J 523 T7W E01 072 R01 18J 072 LEFT SIDE PANEL LEFT SIDE PANEL LEFT LEG S PLATE L S PLATE L REAR PANEL REAR PANEL GRILLE HINGE ...

Страница 39: ...3 2P 1 2 2P 1 2 10m 33ft PAR 21MAA 6 3A 250V 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C C I B I B TB2 TB4 TB5 TB5 P B R B FUSE Parts No Parts Name Specifications 36 42 Wiring Diagram Symbol Recom mended Q ty PCA A GA1 24 30 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 36 42 GA2 24 30 Remarks Drawing No Q ty set 1 2 3 4 5 6 7 8 9 No G G G G G G G G G G G G RoHS 6 5 1 ELECTRICAL PARTS PCA A24GA1 PCA A30GA1 PCA A36GA1...

Страница 40: ...d in Oct 2007 No OC368 REVISED EDITION C PDF 9 Distributed in Jun 2007 No OC368 REVISED EDITION B PDF 9 Distributed in Aug 2006 No OC368 REVISED EDITION A PDF 9 Distributed in Feb 2006 No OC368 PDF 10 Made in Japan New publication effective Oct 2007 Specifications subject to change without notice TM OC368C 2 qxp 07 10 22 5 37 PM Page 40 ...

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