Mitsubishi Electric SUZ-KA25VA.TH Data Book Download Page 1

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DATA BOOK

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

No.OC322

R410A

Outdoor unit
[model names]

[Service Ref.]

SUZ-KA25VA

SUZ-KA25VA.TH

SUZ-KA35VA

SUZ-KA35VA.TH

SUZ-KA25VAH

SUZ-KA25VAH.TH

SUZ-KA35VAH

SUZ-KA35VAH.TH

SUZ-KA50VA

SUZ-KA50VA.TH

SUZ-KA60VA

SUZ-KA60VA.TH

SUZ-KA71VA

SUZ-KA71VA.TH

CONTENTS

1. COMBINATION OF INDOOR AND OUTDOOR UNITS ······2

2. TECHNICAL CHANGES ···································2

3. PART NAMES AND FUNCTIONS······················6

4. SPECIFICATION·················································7

5. NOISE CRITERIA CURVES ·····························11

6. OUTLINES AND DIMENSIONS ·······················12

7. WIRING DIAGRAM ··········································14

8. REFRIGERANT SYSTEM DIAGRAM ··············18

9. PERFORMANCE CURVES ······························22

10. ACTUATOR CONTROL····································48

11. SERVICE FUNCTIONS·····································49

12. TROUBLESHOOTING······································49

13. DISASSEMBLY INSTRUCTIONS·····················82

14. PARTS LIST······················································89

Indication of
model name

NOTE:
This service manual describes technical data of the
outdoor units.
•As for indoor units SLZ-KA25/35/50VA(L).TH and SEZ-

KA35/50/60/71VA.TH, refer to the service manual
OC320 and OC321.

HFC

utilized

R410A

SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH

October 2005

REVISED EDITION-A

Revision:
•SUZ-KA71VA.TH is

added in REVISED
EDITION-A.

•Some descriptions

have been modified.

•Please void OC322.

OC322A--1qxp 05.10.19 3:28 PM Page 1

Summary of Contents for SUZ-KA25VA.TH

Page 1: ...S 11 6 OUTLINES AND DIMENSIONS 12 7 WIRING DIAGRAM 14 8 REFRIGERANT SYSTEM DIAGRAM 18 9 PERFORMANCE CURVES 22 10 ACTUATOR CONTROL 48 11 SERVICE FUNCTIONS 49 12 TROUBLESHOOTING 49 13 DISASSEMBLY INSTRUCTIONS 82 14 PARTS LIST 89 Indication of model name NOTE This service manual describes technical data of the outdoor units As for indoor units SLZ KA25 35 50VA L TH and SEZ KA35 50 60 71VA TH refer to...

Page 2: ...FAAH KNB092FCAH SUZ KA35VA Specification and position of muffler have been changed Path of outdoor heat exchanger has been changed 4 way valve and R V coil have been changed Stop valve has been changed 8 Fan motor has been changed AC DC 9 Shape of grille has been changed 10 Shape of service panel has been changed 11 Shape of propeller has been changed 12 Symbol on terminal block has been changed t...

Page 3: ...t of R22 some special tools and piping parts materials are required Refer to the table below 2 Take sufficient care not to allow water and other contaminations to enter the R410A refrigerant during storage and installation since it is more susceptible to contaminations than R22 3 For refrigerant piping use clean pressure proof parts materials specifically designed for R410A Refer to 2 Refrigerant ...

Page 4: ...se the refrigerant bubbles due to high pressure and high speed vaporization No No No Yes Yes New New New Gauge manifold Charge hose Torque wrench Flare tool Flare gauge Vacuum pump adapter Electronic scale for refrigerant charging No Not Substitutable for R410A Yes Substitutable for R410A No 12 7 mm and 15 88 mm 1 Tools dedicated for the air conditioner with R410A refrigerant The following tools a...

Page 5: ...ked with indoor unit to the flare and the union seat surfaces 4 Air purge Do not discharge the refrigerant into the atmosphere Take care not to discharge refrigerant into the atmosphere during installation reinstallation or repairs to the refrigerant circuit Use the vacuum pump for air purging for the purpose of environmental protection 5 Additional charge For additional charging charge the refrig...

Page 6: ...ES 1 Drain socket 1 SUZ KA25VA H TH SUZ KA35VA H TH SUZ KA25VA TH SUZ KA35VA TH SUZ KA25VAH TH SUZ KA35VAH TH OUTDOOR UNIT Air inlet Piping Air outlet back and side Drain hose Drain outlet ACCESSORIES 1 2 Drain socket Drain cap 33 1 2 SUZ KA50VA TH SUZ KA60VA TH SUZ KA71VA TH SUZ KA50VA TH SUZ KA60VA TH SUZ KA71VA TH ...

Page 7: ...80w 800w 630w 3 Heating 3 0 0 9 4 5 1 938 3 37 0 28 3 61 SUZ KA25VA H TH Indoor Service Ref SLZ KA25VA L TH Indoor Service Ref SLZ KA35VA L TH Compressor Fan motor Special remarks Coefficient of performance C O P 1 Capacity Electrical data SUZ KA35VA H TH Single phase 230V 50Hz 2 004 4 75 KNB092FCAH 650 U V 0 49 U W 0 49 V W 0 49 RC0J50 AL WHT BLK 37 5 BLK RED 37 5 RED WHT 37 5 800o550o285 37 1 05...

Page 8: ...inding resistance at 20 Model Winding resistance at 20 Dimensions WOHOD Weight Sound level 1 Fan speed Highw Loww High Med w Loww Fan speed regulator Refrigerant filling capacity R410A Refrigeration oil Model Thermistor RT61 at 0 Thermistor RT62 at 100 Thermistor RT64 at 50 Thermistor RT65 at 25 kW r h K h A A A 1 W mm kg dB A rpm kg cc k k k k Compressor Fan motor Special remarks Coefficient of p...

Page 9: ... 0 1 1 5 6 1 9 2 940 1 650w 6 45 2 81 53 51w 800 480w Heating 5 9 1 1 7 2 2 940 2 210w 6 05 3 21 55 53w 800 620w Indoor Service Ref SEZ KA60VA TH SUZ KA60VA TH Single phase 230V 50Hz 9 75 0 30 SNB130FLDH 850 U V 0 45 U W 0 45 V W 0 45 RC0J60 AA BLK WHT 15 2 WHT RED 15 2 RED BLK 15 2 840o850o330 53 2 1 80 450 NEO22 10 0 13 4 17 0 10 0 10 0 Cooling 5 5 1 1 6 3 2 0 2 940 1 650w 8 05 2 81 53 51w 800 4...

Page 10: ... 1a Open 45 230V 130W G5NB 1a Open 45 45m 5W 1 element 50m 5W 2 elements Specifications and rating conditions of main electric parts Model Item Smoothing capacitor Current transformer Current transformer Fuse Fuse Fuse Intelligent power module High pressure switch Intelligent power module Reactor Expansion valve coil Power factor controller Resistor Resistor Resistor Solenoid coil relay Terminal b...

Page 11: ... dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE COOLING FUNCTION SPL dB A LINE FAN SPEED HEATING 47 48 Test conditions Cooling Dry bulb temperature 35 Wet bulb temperature 24 Heating Dry bulb temperature 7 Wet bulb temperature 6 OUTDOORUNIT MICROPHONE 1m High Med SUZ KA35VA TH SUZ KA35VAH TH COOLING FUNCTION SPL dB A LINE High FAN SPEED HEAT...

Page 12: ...joint Refrigerant pipe flared 6 35 Gas refrigerant pipe joint Refrigerant pipe flared 9 52 4 3 3 5 2 holes 10X21 Drain hole 33 SUZ KA25 KA35VAH REQUIRED SPACE Basically open 100mm or more without any obstruction in front and on both sides of the unit 350mm or more 200mm or more 100mm or more 100mm or more Open two sides of left right or rear side Drain hole 42 SUZ KA25 KA35VA Unit mm OUTDOOR UNIT ...

Page 13: ...tacles to both sides Open as a rule 500mm or more if the back both sides and top are open 350mm or more 100mm or more Service panel Gas refrigerant pipe joint Refrigerant pipe flared 12 7 SUZ KA50VA TH 15 88 SUZ KA60 KA71VA TH Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 SUZ KA50 KA60VA TH 9 52 SUZ KA71VA TH REQUIRED SPACE OUTDOOR UNIT SUZ KA50VA TH SUZ KA60VA TH SUZ KA71VA TH ...

Page 14: ...RANSISTOR TRANSFORMER RELAY R V COIL EXPANSION VALVE COIL NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM F61 GRN N 230V 12 24V 230V 50Hz CIRCUIT BREAKER PE RED BLU WHITE GRN YLW TB1 POWER SUPPLY L N TB2 S3 S1 TO INDDOR UN...

Page 15: ...V COIL DEFROST HEATER HEATER PROTECTOR NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM IC932 F901 CT 4 3 NR64 NR63 GRN DSA61 LDE 2 3 1 4 5 CN601 LDY GRN MF RT65 RT64 RT62 RT61 3 1 2 4 5 2 1 3 2 1 2 4 5 1 3 CN931 CN932 4 3 ...

Page 16: ...TAB4 V MC W U V WHT RT61 RT62 RT68 LEV MODELS WIRING DIAGRAM OUTDOOR UNIT Terminal block Connector 3 Symbols below indicate 2 Use copper conductors only for field wiring diagram for servicing refer to the indoor unit electric wiring 1 About the indoor side electric wiring NOTES SYMBOL NAME SYMBOL NAME CURRENT TRANSFORMER FUSE T1AL 250V LEV EXPANSION VALVE COIL L REACTOR IPM INTELLIGENT POWER MODUL...

Page 17: ...C W U V WHT RT61 RT62 RT68 LEV MODEL WIRING DIAGRAM OUTDOOR UNIT Terminal block Connector 3 Symbols below indicate 2 Use copper conductors only for field wiring diagram for servicing refer to the indoor unit electric wiring 1 About the indoor side electric wiring NOTES SYMBOL NAME SYMBOL NAME CURRENT TRANSFORMER FUSE T1AL 250V LEV EXPANSION VALVE COIL L REACTOR IPM INTELLIGEMT POWER MODULE HPS HIG...

Page 18: ... 0 1 8 600 2 Expansion valve Ambient temperature thermistor RT65 Muffler Muffler Muffler SUZ KA25VA TH SUZ KA25VAH TH OUTDOOR UNIT Unit mm Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve with strainer Stop valve with service port Capillary tube 3 0 2 0 240 Refrigerant flow in cooling Compressor 4 way valve Refriger...

Page 19: ...r heat exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 Strainer 100 SUZ KA71VA TH OUTDOOR UNIT Unit mm Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve Stop valve with service port Capillary tube 3 6 2 4 50 Capillary tube 1 8 0 6 1000 Refrigerant flow in cooling Compressor 4 way valve Refri...

Page 20: ...KA25VA TH SUZ KA25VAH TH SUZ KA35VA TH SUZ KA35VAH TH Refrigerant Piping Max length A w Height difference should be within 12m regardless of which unit indoor or outdoor position is high w Max Height difference 12m Indoor unit SLZ SEZ Outdoor unit MAX HEIGHT DIFFERENCE MAX REFRIGERANT PIPING LENGTH Refrigerant piping Max length m A 20 Gas 9 52 Liquid 6 35 Piping size O D mm Models SUZ KA25VA TH SU...

Page 21: ...UZ KA60VA TH SUZ KA71VA TH Model Piping size O D mm Refrigerant piping length one way Outdoor unit precharged 15m 160 160 20m 260 260 25m 360 360 30m 460 460 7m 0 0 10m 60 60 Model SUZ KA50VA TH SUZ KA60VA TH 1 600 1 800 ADDITIONAL REFRIGERANT CHARGE R410A g Calculation Xg 20g m Refrigerant piping length m 7 SUZ KA50VA TH SUZ KA60VA TH SUZ KA71VA TH Outdoor unit precharged 2 000 0 165 440 715 990 ...

Page 22: ...s to the indoor air outlet The thermometers must be attached to the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air inlet Cover the thermometers to prevent direct rays of the sun 3 Check that the air filter is cleaned 4 Open windows and doors of the room 5 Press the EMERGENCY OPERATION switch once to start the EMERGENCY COOL HEAT MODE 6...

Page 23: ...y of compressor 0 50 100 150 Hz 2 0 1 5 1 0 0 5 0 0 Input correction factors The operational frequency of compressor Correction of Cooling total input 0 50 100 150 Hz 2 0 1 5 1 0 0 5 0 0 Input correction factors 0 50 100 150 Hz 0 0 0 5 1 0 1 5 Correction of Cooling capacity Capacity correction factors The operational frequency of compressor Correction of Cooling total input Input correction factor...

Page 24: ...0 35 C 5 0 6 0 7 0 8 0 9 0 75Hz 32 18 Ambient temperature C Ambient humidity SUZ KA50VA TH MPa Gauge kgf F Gauge 18 32 15 20 50 25 60 30 70 35 C 0 2 0 4 0 6 0 8 1 0 1 2 75Hz 1 4 Ambient temperature C Ambient humidity Outdoor low pressure SUZ KA50VA TH 2 4 6 8 10 12 14 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation 1 Both indoor and outdoor unit are under the same temperature humidity...

Page 25: ...ometers to the indoor air inlet as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air inlet Cover the thermometers to prevent direct rays of the sun 3 Check that the air filter is cleaned 4 Open windows...

Page 26: ...1 3 19 4 17 4 15 5 13 6 11 6 Indoor air Dry bulb temperature difference degree Indoor intake air Dry bulb temperature Outdoor intake air Wet bulb temperature Outdoor intake air Wet bulb temperature Indoor intake air Dry bulb temperature SUZ KA25VA H TH Rated frequency 77Hz 22 7 20 9 19 2 17 4 15 7 14 0 12 2 10 5 SUZ KA35VA H TH Rated frequency 77Hz 24 5 22 6 20 7 18 9 17 0 15 1 13 2 11 3 SUZ KA50V...

Page 27: ...z 0 0 0 5 1 0 1 5 Correction of Cooling capacity Capacity correction factors The operational frequency of compressor Correction of Cooling total input Input correction factors The operational frequency of compressor 0 50 100 150 Hz 0 0 0 5 1 0 1 5 2 0 1 5 1 0 0 5 0 0 Correction of Heating total input Input correction factors The operational frequency of compressor 0 50 100 150 Hz 2 0 1 5 1 0 0 5 0...

Page 28: ...midity Outdoor low pressure SUZ KA35VA H TH 2 4 6 8 10 12 14 15 20 50 25 60 30 70 35 C 4 6 8 10 12 87Hz 32 18 Outdoor unit current A Ambient temperature C Ambient humidity SUZ KA60VA TH MPa Gauge kgf F Gauge 18 32 15 20 50 25 60 30 70 35 C 0 2 0 4 0 6 0 8 1 0 1 2 87Hz 1 4 Ambient temperature C Ambient humidity Outdoor low pressure SUZ KA60VA TH 2 4 6 8 10 12 14 OUTDOOR LOW PRESSURE AND OUTDOOR UNI...

Page 29: ...5 1 0 2 5 10 15 20 25 58Hz SUZ KA71VA TH Outdoor unit current A Ambient temperature C 13 0 12 0 11 0 10 0 9 0 8 0 7 0 2 5 10 15 20 25 58Hz SUZ KA35VA H TH Outdoor unit current A Ambient temperature C 4 0 3 5 3 0 2 5 2 0 1 5 1 0 2 5 10 15 20 25 58Hz SUZ KA50VA TH Outdoor unit current A Ambient temperature C 7 0 6 0 5 0 4 0 3 0 2 0 1 0 2 5 10 15 20 25 58Hz 58Hz SUZ KA60VA TH Outdoor unit current A A...

Page 30: ... 23 1 94 0 60 662 3 15 1 89 0 60 683 3 05 1 83 0 60 718 3 45 1 66 0 48 662 3 35 1 61 0 48 697 3 30 1 58 0 48 718 3 20 1 54 0 48 738 2 94 2 94 1 00 552 2 81 2 81 1 00 580 2 70 2 70 1 00 607 2 60 2 60 1 00 635 3 06 2 70 0 88 580 2 94 2 59 0 88 614 2 85 2 51 0 88 628 2 75 2 42 0 88 656 3 19 2 42 0 76 600 3 08 2 34 0 76 638 3 00 2 28 0 76 656 2 88 2 19 0 76 683 3 35 2 14 0 64 628 3 23 2 06 0 64 662 3 ...

Page 31: ... 856 2 45 2 25 0 92 676 2 25 2 07 0 92 718 2 08 1 91 0 92 745 2 58 2 06 0 80 704 2 40 1 92 0 80 738 2 23 1 78 0 80 780 2 73 1 85 0 68 731 2 55 1 73 0 68 773 2 38 1 62 0 68 800 2 88 1 61 0 56 759 2 70 1 51 0 56 794 2 55 1 43 0 56 828 3 03 1 33 0 44 787 2 85 1 25 0 44 821 2 68 1 18 0 44 856 2 45 2 35 0 96 676 2 25 2 16 0 96 718 2 08 1 99 0 96 745 2 58 2 16 0 84 704 2 40 2 02 0 84 738 2 23 1 87 0 84 ...

Page 32: ...4 11 2 92 0 71 943 3 99 2 83 0 71 965 3 85 2 73 0 71 1007 4 46 2 63 0 59 922 4 31 2 54 0 59 981 4 20 2 48 0 59 1007 4 03 2 37 0 59 1049 4 69 2 20 0 47 965 4 52 2 12 0 47 1018 4 41 2 07 0 47 1049 4 27 2 01 0 47 1102 4 83 1 69 0 35 1018 4 69 1 64 0 35 1071 4 62 1 62 0 35 1102 4 48 1 57 0 35 1134 4 11 3 58 0 87 848 3 94 3 43 0 87 890 3 78 3 29 0 87 933 3 64 3 17 0 87 975 4 29 3 22 0 75 890 4 11 3 08 ...

Page 33: ... 0 83 1039 3 15 2 61 0 83 1102 2 91 2 41 0 83 1145 3 61 2 56 0 71 1081 3 36 2 39 0 71 1134 3 12 2 21 0 71 1198 3 82 2 25 0 59 1124 3 57 2 11 0 59 1187 3 33 1 96 0 59 1230 4 03 1 89 0 47 1166 3 78 1 78 0 47 1219 3 57 1 68 0 47 1272 4 24 1 48 0 35 1208 3 99 1 40 0 35 1261 3 75 1 31 0 35 1314 3 43 2 98 0 87 1039 3 15 2 74 0 87 1102 2 91 2 53 0 87 1145 3 61 2 70 0 75 1081 3 36 2 52 0 75 1134 3 12 2 34...

Page 34: ... 2 05 2 79 2 27 1 70 3 00 2 49 1 92 3 21 2 70 2 15 1 54 2 92 2 38 1 78 3 62 3 13 2 60 2 02 1 36 3 83 3 35 2 83 2 25 1 60 4 04 3 57 3 06 2 49 1 85 4 24 3 78 3 28 2 73 2 10 4 45 4 00 3 51 2 97 2 34 4 66 4 22 3 73 3 20 2 59 4 86 4 43 3 96 3 44 2 84 4 97 5 24 4 97 5 24 5 52 4 97 5 24 5 52 4 97 5 24 5 52 5 80 5 24 5 52 5 80 4 97 5 24 5 52 5 80 6 07 4 97 5 24 5 52 5 80 6 07 4 97 5 24 5 52 5 80 6 07 4 97...

Page 35: ... 0 42 0 30 0 58 0 46 0 34 0 62 0 50 0 38 0 26 0 54 0 42 0 30 0 70 0 58 0 46 0 34 0 22 0 74 0 62 0 50 0 38 0 26 0 78 0 66 0 54 0 42 0 30 0 82 0 70 0 58 0 46 0 34 0 86 0 74 0 62 0 50 0 38 0 90 0 78 0 66 0 54 0 42 0 94 0 82 0 70 0 58 0 46 1695 1744 1695 1744 1826 1695 1744 1826 1695 1744 1826 1875 1744 1826 1875 1695 1744 1826 1875 1940 1695 1744 1826 1875 1940 1695 1744 1826 1875 1940 1695 1744 1826...

Page 36: ... 08 0 68 613 2 94 2 00 0 68 650 2 85 1 94 0 68 664 2 75 1 87 0 68 694 3 19 1 79 0 56 635 3 08 1 72 0 56 675 3 00 1 68 0 56 694 2 88 1 61 0 56 723 3 35 1 47 0 44 664 3 23 1 42 0 44 701 3 15 1 39 0 44 723 3 05 1 34 0 44 759 3 45 1 10 0 32 701 3 35 1 07 0 32 737 3 30 1 06 0 32 759 3 20 1 02 0 32 781 2 94 2 47 0 84 584 2 81 2 36 0 84 613 2 70 2 27 0 84 642 2 60 2 18 0 84 672 3 06 2 21 0 72 613 2 94 2 ...

Page 37: ...905 2 45 1 96 0 80 715 2 25 1 80 0 80 759 2 08 1 66 0 80 788 2 58 1 75 0 68 745 2 40 1 63 0 68 781 2 23 1 51 0 68 825 2 73 1 53 0 56 774 2 55 1 43 0 56 818 2 38 1 33 0 56 847 2 88 1 27 0 44 803 2 70 1 19 0 44 840 2 55 1 12 0 44 876 3 03 0 97 0 32 832 2 85 0 91 0 32 869 2 68 0 86 0 32 905 2 45 2 06 0 84 715 2 25 1 89 0 84 759 2 08 1 74 0 84 788 2 58 1 85 0 72 745 2 40 1 73 0 72 781 2 23 1 60 0 72 8...

Page 38: ... 11 2 92 0 71 943 3 99 2 83 0 71 965 3 85 2 73 0 71 1007 4 46 2 63 0 59 922 4 31 2 54 0 59 981 4 20 2 48 0 59 1007 4 03 2 37 0 59 1049 4 69 2 20 0 47 965 4 52 2 12 0 47 1018 4 41 2 07 0 47 1049 4 27 2 01 0 47 1102 4 83 1 69 0 35 1018 4 69 1 64 0 35 1071 4 62 1 62 0 35 1102 4 48 1 57 0 35 1134 4 11 3 58 0 87 848 3 94 3 43 0 87 890 3 78 3 29 0 87 933 3 64 3 17 0 87 975 4 29 3 22 0 75 890 4 11 3 08 0...

Page 39: ...0 83 1039 3 15 2 61 0 83 1102 2 91 2 41 0 83 1145 3 61 2 56 0 71 1081 3 36 2 39 0 71 1134 3 12 2 21 0 71 1198 3 82 2 25 0 59 1124 3 57 2 11 0 59 1187 3 33 1 96 0 59 1230 4 03 1 89 0 47 1166 3 78 1 78 0 47 1219 3 57 1 68 0 47 1272 4 24 1 48 0 35 1208 3 99 1 40 0 35 1261 3 75 1 31 0 35 1314 3 43 2 98 0 87 1039 3 15 2 74 0 87 1102 2 91 2 53 0 87 1145 3 61 2 70 0 75 1081 3 36 2 52 0 75 1134 3 12 2 34 ...

Page 40: ...3 82 3 26 2 64 1 94 4 56 4 05 3 51 2 90 2 21 4 78 4 29 3 75 3 16 2 48 5 01 4 52 4 00 3 42 2 75 5 23 4 76 4 24 3 68 3 02 5 46 4 99 4 49 3 93 3 28 5 68 5 23 4 74 4 19 3 55 5 40 5 70 5 40 5 70 6 00 5 40 5 70 6 00 5 40 5 70 6 00 6 30 5 70 6 00 6 30 5 40 5 70 6 00 6 30 6 60 5 40 5 70 6 00 6 30 6 60 5 40 5 70 6 00 6 30 6 60 5 40 5 70 6 00 6 30 6 60 5 40 5 70 6 00 6 30 6 60 5 40 5 70 6 00 6 30 6 60 5 40 ...

Page 41: ...0 41 0 29 0 81 0 69 0 57 0 45 0 33 0 85 0 73 0 61 0 49 0 37 0 89 0 77 0 65 0 53 0 41 0 93 0 81 0 69 0 57 0 45 0 97 0 85 0 73 0 61 0 49 1 01 0 89 0 77 0 65 0 53 1851 1905 1851 1905 1994 1851 1905 1994 1851 1905 1994 2047 1905 1994 2047 1851 1905 1994 2047 2118 1851 1905 1994 2047 2118 1851 1905 1994 2047 2118 1851 1905 1994 2047 2118 1851 1905 1994 2047 2118 1851 1905 1994 2047 2118 1851 1905 1994 ...

Page 42: ...4 20 3 59 2 91 2 14 5 01 4 46 3 86 3 19 2 43 5 26 4 72 4 13 3 48 2 73 5 51 4 98 4 40 3 76 3 02 5 75 5 23 4 67 4 04 3 32 6 00 5 49 4 94 4 33 3 61 6 25 5 75 5 21 4 61 3 91 5 94 6 27 5 94 6 27 6 60 5 94 6 27 6 60 5 94 6 27 6 60 6 93 6 27 6 60 6 93 5 94 6 27 6 60 6 93 7 26 5 94 6 27 6 60 6 93 7 26 5 94 6 27 6 60 6 93 7 26 5 94 6 27 6 60 6 93 7 26 5 94 6 27 6 60 6 93 7 26 5 94 6 27 6 60 6 93 7 26 5 94 ...

Page 43: ...0 41 0 29 0 81 0 69 0 57 0 45 0 33 0 85 0 73 0 61 0 49 0 37 0 89 0 77 0 65 0 53 0 41 0 93 0 81 0 69 0 57 0 45 0 97 0 85 0 73 0 61 0 49 1 01 0 89 0 77 0 65 0 53 2038 2097 2038 2097 2195 2038 2097 2195 2038 2097 2195 2254 2097 2195 2254 2038 2097 2195 2254 2332 2038 2097 2195 2254 2332 2038 2097 2195 2254 2332 2038 2097 2195 2254 2332 2038 2097 2195 2254 2332 2038 2097 2195 2254 2332 2038 2097 2195 ...

Page 44: ... 4 03 0 44 2362 8 95 3 94 0 44 2435 8 66 3 81 0 44 2558 27 26 9 80 3 14 0 32 2362 9 51 3 04 0 32 2485 9 37 3 00 0 32 2558 9 09 2 91 0 32 2632 28 18 8 34 7 01 0 84 1968 7 99 6 71 0 84 2066 7 67 6 44 0 84 2165 7 38 6 20 0 84 2263 28 20 8 70 6 26 0 72 2066 8 34 6 01 0 72 2189 8 09 5 83 0 72 2239 7 81 5 62 0 72 2337 28 22 9 05 5 43 0 60 2140 8 73 5 24 0 60 2276 8 52 5 11 0 60 2337 8 17 4 90 0 60 2435 ...

Page 45: ...27 24 8 17 3 59 0 44 2706 7 67 3 37 0 44 2829 7 24 3 19 0 44 2952 27 26 8 59 2 75 0 32 2804 8 09 2 59 0 32 2927 7 60 2 43 0 32 3050 28 18 6 96 5 84 0 84 2411 6 39 5 37 0 84 2558 5 89 4 95 0 84 2657 28 20 7 31 5 27 0 72 2509 6 82 4 91 0 72 2632 6 32 4 55 0 72 2780 28 22 7 74 4 64 0 60 2608 7 24 4 35 0 60 2755 6 75 4 05 0 60 2854 28 24 8 17 3 92 0 48 2706 7 67 3 68 0 48 2829 7 24 3 48 0 48 2952 28 2...

Page 46: ... KA50VA L TH SUZ KA50VA TH Rated frequency 65Hz CAPACITY 5 0 kW INPUT 1550 W OUTDOOR W B INDOOR 10 D B Q INPUT 5 Q INPUT 0 Q INPUT 5 Q INPUT 10 Q INPUT 15 Q INPUT 20 Q INPUT 15 21 26 OUTDOOR W B INDOOR 10 D B Q INPUT 5 Q INPUT 0 Q INPUT 5 Q INPUT 10 Q INPUT 15 Q INPUT 20 Q INPUT 15 21 26 3 15 3 00 2 70 1008 1085 1163 3 80 3 60 3 35 1209 1287 1364 4 45 4 25 3 95 1364 1426 1504 5 10 4 85 4 60 1473 1...

Page 47: ...OR W B INDOOR 10 D B Q INPUT 5 Q INPUT 0 Q INPUT 5 Q INPUT 10 Q INPUT 15 Q INPUT 20 Q INPUT 15 21 26 5 10 4 86 4 37 1534 1652 1770 6 16 5 83 5 43 1841 1959 2077 7 21 6 89 6 40 2077 2171 2289 8 26 7 86 7 45 2242 2336 2454 9 32 8 91 8 51 2384 2454 2572 10 29 9 88 9 48 2454 2525 2643 11 34 10 89 10 53 2502 2620 2714 SEZ KC25VA W SUZ KA25VA H TH Rated frequency 77Hz CAPACITY 3 0 kW INPUT 830 W SEZ KA3...

Page 48: ...erature Purpose Protection Cooling Coil frost prevention Heating High pressure protection Heating Defrosting Protection Protection Cooling High pressure protection Compressor LEV Outdoor fan motor 4 way valve Sensor Actuator 10 3 Relation between main sensor and actuator 10 2 R V coil control Heating ON Cooling OFF Dry OFF NOTE The 4 way valve reverses for 5 seconds right before start up of the co...

Page 49: ...ection and the components for bursting and discoloration 4 When troubleshooting refer to 12 2 and 12 3 12 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for mis wiring 2 Take care the following during servicing 1 Before servicing the air conditioner be sure to turn OFF the main unit first with t...

Page 50: ... TH SUZ KA25VAH TH SUZ KA35VAH TH 14 4 DRAIN SOCKET Symbol in Wiring Diagram Q ty unit SUZ KA25VA TH SUZ KA25VAH TH SUZ KA35VA TH SUZ KA35VAH TH Remarks Parts No Parts Name E02 838 704 1 DRAIN SOCKET No 1 1 1 HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN cCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Oct 2005 No OC322 REVISED EDITION A PDF...

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