Mitsubishi PKA-RP2.5FAL Technical & Service Manual Download Page 36 | Manualshive

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REFRIGERANT SYSTEM DIAGRAM

PKA-RP2.5FAL
PKA-RP3FAL
PKA-RP4FAL

Unit : mm

Pipe temperature
thermistor/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)

OC301B--2.qxp 13.8.20 3:22 PM Page 36

OC301B

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Summary of Contents for PKA-RP2.5FAL

Page 1: ...RP2 5FAL PKA RP2 5FAL PKA RP3FAL PKA RP3FAL PKA RP4FAL PKA RP4FAL Indoor unit Wall Mounted Series PKA No OC301 REVISED EDITION B R407C R410A Remote controller SPLIT TYPE HEAT PUMP AIR CONDITIONERS SPL...

Page 2: ...ric heater or Cooling only 3VGAA 2 5VGAA 3YGAA 4YGAA 3VGAA 2 5VGAA 3YGAA 4YGAA Indoor unit PKA RP2 5FAL PKA RP3FAL PKA RP4FAL Heat pump type PUH P Cooling only type PU P Heat pump without electric hea...

Page 3: ...ange connection parts If large amount of mineral oil enter that can cause deterioration of refrigerant oil etc Use liquid refrigerant to seal the system If gas refrigerant is used to seal the system t...

Page 4: ...e high tension side pressure of 3 43MPa G or over 2 Charge hose Only for R407C Use pressure performance of 5 10MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector for R134a or R407C...

Page 5: ...unction 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 Flare tool Electronic refrigerant ch...

Page 6: ...Unit 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Specifications 1 Gauge manifold Only for R410A Use the existing fitting specifications UNF1 2 Use high ten...

Page 7: ...erature CLOCK display Displays the current time display Displays the order of timer operation display Displays whether timer is on or off In case the outdoor unit is cool only type the heating mode is...

Page 8: ...Above data based on indicated voltage Indoor Unit Single phase 230V 50Hz Outdoor Unit Single phase 230V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor D B 35...

Page 9: ...output Airflow Low High External static pressure Operation control Thermostat Noise level Low High Unit drain pipe O D Dimensions Weight W D H INDOOR UNIT Notes1 Rating Conditions ISO T1 Cooling Indoo...

Page 10: ...e data based on indicated voltage Indoor Unit Single phase 230V 50Hz Outdoor Unit 3 phase 400V 50Hz 2 Guaranteed operating range Upper limit Lower limit Upper limit Lower limit Indoor D B 35 C W B 22...

Page 11: ...Thermostat Noise level Low High Unit drain pipe O D Dimensions Weight W D H INDOOR UNIT Notes1 Rating Conditions ISO T1 Cooling Indoor D B 27 C 80 F W B 19 C 66 F Outdoor D B 35 C 95 F W B 24 C 75 F...

Page 12: ...y phase cycle voltage Input Running current Starting current External finish Heat exchanger Fan Fan drive x No Fan motor output Airflow Low High External static pressure Operation control Thermostat N...

Page 13: ...ge 3 Guaranteed voltage 198 264V 50Hz Upper limit Lower limit Indoor D B 35 C W B 22 5 C D B 19 C W B 15 C Outdoor D B 46 C D B 5 C Cooling PKA RP4FAL Service Ref Item Btu h W kW kW A A kW K min CFM P...

Page 14: ...0 85 1 00 1 00 1 00 0 93 P C 1 24 1 26 1 30 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 33 1 24 1 26 1 30 1 33...

Page 15: ...0 1 00 0 93 P C 1 49 1 53 1 57 1 49 1 53 1 57 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 1 49 1 53 1 57 1 60 CA 5 100 5 580...

Page 16: ...0 95 0 83 0 71 1 00 1 00 0 91 0 79 1 00 1 00 0 99 0 87 P C 1 58 1 61 1 66 1 58 1 61 1 66 1 58 1 61 1 66 1 70 1 58 1 61 1 66 1 70 1 58 1 61 1 66 1 70 1 58 1 61 1 66 1 70 1 58 1 61 1 66 1 70 1 58 1 61...

Page 17: ...217 5 733 5 480 5 041 4 524 5 975 5 745 5 325 4 831 6 035 6 273 5 893 5 444 6 035 6 603 6 461 6 058 6 035 6 603 7 029 6 671 P C 2 04 2 10 2 14 2 04 2 10 2 14 2 04 2 10 2 14 2 20 2 04 2 10 2 14 2 20 2...

Page 18: ...1 00 0 97 0 85 0 73 1 00 1 00 0 93 0 81 P C 2 34 2 39 2 46 2 34 2 39 2 46 2 34 2 39 2 46 2 52 2 34 2 39 2 46 2 52 2 34 2 39 2 46 2 52 2 34 2 39 2 46 2 52 2 34 2 39 2 46 2 52 2 34 2 39 2 46 2 52 2 34...

Page 19: ...1 8 500 7 884 8 500 9 300 9 300 8 748 P C 3 02 3 11 3 16 3 02 3 11 3 16 3 02 3 11 3 16 3 25 3 02 3 11 3 16 3 25 3 02 3 11 3 16 3 25 3 02 3 11 3 16 3 25 3 02 3 11 3 16 3 25 3 02 3 11 3 16 3 25 3 02 3 1...

Page 20: ...1 00 0 90 0 78 0 66 1 00 0 98 0 86 0 74 1 00 1 00 0 94 0 82 1 00 1 00 1 00 0 90 P C 2 12 2 16 2 23 2 12 2 16 2 23 2 12 2 16 2 23 2 28 2 12 2 16 2 23 2 28 2 12 2 16 2 23 2 28 2 12 2 16 2 23 2 28 2 12...

Page 21: ...SHF 0 70 0 58 0 46 0 78 0 66 0 54 0 86 0 74 0 62 0 50 0 94 0 82 0 70 0 58 0 98 0 86 0 74 0 62 1 00 0 90 0 78 0 66 1 00 0 98 0 86 0 74 1 00 1 00 0 94 0 82 1 00 1 00 1 00 0 90 P C 2 54 2 61 2 68 2 54 2...

Page 22: ...88 2 74 2 80 2 88 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 2 74 2 80 2 88 2 95 CA 7 536 8 086 8 753 7 536 8 086 8 753 7...

Page 23: ...46 3 29 3 38 3 46 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 3 29 3 38 3 46 3 53 CA 6 673 7 301 7 850 6 673 7 301 7 850 6 6...

Page 24: ...3 02 2 87 2 93 3 02 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 2 87 2 93 3 02 3 09 CA 9 024 9 682 10 481 9 024 9 682 10 48...

Page 25: ...45 3 54 3 63 3 45 3 54 3 63 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 3 45 3 54 3 63 3 70 CA 7 990 8 742 9 400 7 990 8 74...

Page 26: ...59 2 78 2 99 3 51 3 77 4 05 PKA RP FAL PUHZ RP VHA PUHZ RP VHA1 230V HEATING CAPACITY 2 NOTE CA Capacity W P C Power consumption kW Outdoor intake air W B 10 5 0 5 10 15 CA Indoor intake are D B C P C...

Page 27: ...6 40 0 5 1 2 1 0 0 8 0 6 0 4 INDOOR W B C CAPACITY RATIO TOTAL INPUT RATIO INDOOR W B C OUTDOOR D B C 5 2 PERFORMANCE CURVE Heating performance curve 50Hz 1 4 1 2 1 0 15 20 25 25 20 15 0 8 0 6 0 4 1 4...

Page 28: ...ef PKA RP3FAL PKA RP2 5FAL PKA RP4FAL Cooling capacity correction factors Heating capacity correction factors Service Ref PKA RP2 5FAL PKA RP3FAL PKA RP4FAL Refrigerant piping length one way 5m 10m 20...

Page 29: ...ntake air temperature BF SHF W kW C C C C C D B D B W B D B W B C C C m MPa MPa Outdoor side Indoor side Refrigerant circuit Electrical circuit Total Cooling Heating Cooling Heating PKA RP3FAL PKA RP4...

Page 30: ...7 6 Cooling Heating Cooling Heating PKA RP3FAL PUH P3VGAA PUH P3VGAA UK PUH P3VGAA1 UK PUH P3YGAA PUH P3YGAA UK PUH P3YGAA1 UK PKA RP3FAL 1 50 230 1 50 230 3 50 400 7 850 3 43 0 43 15 96 81 51 4 5 27...

Page 31: ...circuit Electrical circuit Total Cooling Cooling Cooling Cooling PKA RP3FAL PKA RP4FAL PU P3VGAA PU P3VGAA UK PU P3VGAA1 UK PU P3YGAA PU P3YGAA UK PU P3YGAA1 UK PU P4VGAA UK PU P4VGAA1 UK PU P4YGAA P...

Page 32: ...D CENTER FREQUENCIES Hz PKA RP2 5FAL PKA RP3FAL Hi Lo 45 SPL dB 39 LINE NOTCH 5 6 NOISE CRITERION CURVES UNIT WALL 1m 1m MICROPHONE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROX...

Page 33: ...r wiring 25 1110 183 240 B 1120 552 55 120 107 111 Air outlet 552 Air outlet Change vane manual Under panel Removable at left hand side piping Knock out hole for under piping Refrigerant pipe Drain pi...

Page 34: ...4 39 100 30 37 74 4 29 80 280 30 30 184 30 60 10 39 37 65 100 A B C Knock out hole for wiring 25 1110 183 240 B 1400 55 120 102 111 694 Air outlet 694 Air outlet Change vane manual Under panel Remova...

Page 35: ...UTDOOR BUZZER BZ RU RECEIVING UNIT WIRELESS REMOTE CONTROLLER BOARD W B REMOTE CONTROLLER BOARD OPTION R B CN2 TB6 CONNECTOR SCHEDULE TIMER TRANSMISSION LINE TERMINAL BLOCK REMOTE CONTROLLER TRANSMISS...

Page 36: ...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...

Page 37: ...ctive action according to Trouble shooting of problems Page 42 The inferior phenomenon is not reoccurring Logged Not logged 1Consider the temporary defects such as the work of protection devices in th...

Page 38: ...ep O 4 times beep O 5 times beep O 6 times beep O 8 times beep O 2 times Other than above Operation LED 1 sec O 1 time 1 sec O 2 times 1 sec O 4 times 1 sec O 5 times 1 sec O 6 times 1 sec O 8 times 1...

Page 39: ...ture with remote controller in test run mode If pipe liquid temperature is exclusively low in cooling mode or high in heating mode refrigerant circuit may have defective 5 Check pipe liquid temperatur...

Page 40: ...r load high temperature operation beyond the tolerance range 4 Defective indoor fan motor Fan motor is defective Indoor controller board is defective 5 Overcharge of refrigerant 6 Defective refrigeran...

Page 41: ...ot finish transmitting 30 times consecutively 12 Turn the power off and on again to check If abnormality generates again replace indoor controller board 1 Contact failure at transmission wire of remot...

Page 42: ...oor power board Check the wiring connection When output voltage is between 12V and 16V Check 5 below 5 Check the wiring connection between indoor controller board and indoor power board If no problems...

Page 43: ...used as follows When the outdoor unit is something wrong When the indoor fan is something wrong When drain over flow protected operation is detected during self diagnosis Error code P5 2 Emergency op...

Page 44: ...ts Measure the resistance between the terminals with a tester Winding temperature 20 Fan motor MF Abnormal Open or short Red Black White Black Motor terminal or Relay connector RP2 5 RP3 99 5 103 9 RP...

Page 45: ...CN2L Connector LOSSNAY CN41 Connector HA terminal A CN31 Drain sensor DS CN29 Condenser evaporator temperature thermistor TH5 CN25 Humidifier output 12 16V DC Jumper wire J11 J15 Model setting Jumper...

Page 46: ...Wireless remote controller 0 Control PCB for both J41 and J42 Four pair number settings are supported The pair number settings of the wireless remote controller and indoor control PCB J41 J42 are giv...

Page 47: ...remove the cover 3 Disconnect the connectors on the indoor controller board 4 To unhook the catches on the right hand side of the indoor controller board pull the left hand side toward you and lift u...

Page 48: ...h on the panel from the catch on the unit 2 Slide the left side panel to the left to remove the panel Note Fix the unit to the metal fixture securely 3 Remove the air filters 4 Hold and press the cent...

Page 49: ...he left and right motor supports and remove the motor supports and the fan motor See Photo 9 8 Remove the 2 screws on the left and right sides of the heat exchanger and pull the bearing support toward...

Page 50: ...3 4 5 6 7 8 9 10 11 12 13 14 G G G G G G G G G G G G G G RG00A734GW8 Part No No Wiring Diagram Symbol Recom mended Q ty Remarks Drawing No Part Name Specifications Q ty unit LEFT SIDE PANEL UNDER PLAT...

Page 51: ...6 7 8 9 10 11 12 13 14 15 G G G G G G G G G G G G G G G RG00A734GW9 Part No No Wiring Diagram Symbol Recom mended Q ty Remarks Drawing No Part Name Specification Q ty unit LEFT SIDE PANEL UNDER PLATE...

Page 52: ...LEFT LINEFLOW FAN HEAT EXCHANGER HEAT EXCHANGER DRAIN PAN GUIDE VANE ARM CENTER COVER JOINT SHAFT AUTO VANE DRAIN HOSE VANE MOTOR WIRELESSREMOTECONTROLLERBOARD TERMINAL COVER CAPACITOR FAN MOTOR INDO...

Page 53: ...ETEMPERATURETHERMISTOR MOTOR BAND FAN MOTOR RUBBER MOUNT MOTOR BAND RIGHT LINEFLOW FAN CENTER SUPPORT BEARING BAND BEARING MOUNT SLEEVE BEARING MOTOR LEG FAN GUARD SLEEVE BEARING 1 1 1 1 1 1 1 1 2 1 1...

Page 54: ...01 E13 239 Part Name BEARING MOUNT LEFT LINEFLOW FAN HEAT EXCHANGER DRAIN PAN GUIDE VANE ARM CENTER COVER JOINT SHAFT AUTO VANE DRAIN HOSE VANE MOTOR WIRELESSREMOTECONTROLLERBOARD TERMINAL COVER CAPAC...

Page 55: ...R PIPETEMPERATURETHERMISTOR FLARE NUT MOTOR BAND FAN MOTOR RUBBER MOUNT MOTOR BAND RIGHT LINEFLOW FAN CENTER SUPPORT BEARING BAND BEARING MOUNT SLEEVE BEARING MOTOR LEG FAN GUARD SLEEVE BEARING 1 1 1...

Page 56: ...AR 20MAAT E PAC SC41TS E PAC SF40RM E PAC SE55RA E PAC SE88DM E cCopyright 2004 MITSUBISHI ELECTRIC CORPORATION Distributed in Aug 2013 No OC301 REVISED EDITION B Distributed in May 2004 No OC301 REVI...

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