Mitsubishi Electric SUZ-KA25VAH.TH Data Book
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Mitsubishi Electric SUZ-KA25VAH.TH Data Book

Split-type, heat pump air conditioners
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See also: Service Manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
DATA BOOK
R410A
Outdoor unit
[model names]
SUZ-KA25VA
SUZ-KA35VA
SUZ-KA25VAH
SUZ-KA35VAH
SUZ-KA50VA
SUZ-KA60VA
SUZ-KA71VA
SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH
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.
[Service Ref.]
SUZ-KA25VA.TH
SUZ-KA35VA.TH
SUZ-KA25VAH.TH
SUZ-KA35VAH.TH
SUZ-KA50VA.TH
SUZ-KA60VA.TH
SUZ-KA71VA.TH
CONTENTS
2. TECHNICAL CHANGES ···································2
3. PART NAMES AND FUNCTIONS······················6
4. SPECIFICATION·················································7
Indication of
5. NOISE CRITERIA CURVES ·····························11
model name
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
October 2005
No.OC322
REVISED EDITION-A
HFC
utilized
R410A
Revision:
•SUZ-KA71VA.TH is
added in REVISED
EDITION-A.
•Some descriptions
have been modified.
•Please void OC322.

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Summary of Contents for Mitsubishi Electric SUZ-KA25VAH.TH

  • Page 1: Table Of Contents

    Revision: [model names] [Service Ref.] •SUZ-KA71VA.TH is SUZ-KA25VA.TH added in REVISED SUZ-KA25VA EDITION-A. SUZ-KA35VA.TH •Some descriptions have been modified. SUZ-KA35VA SUZ-KA25VAH.TH •Please void OC322. SUZ-KA25VAH SUZ-KA35VAH.TH SUZ-KA35VAH SUZ-KA50VA.TH SUZ-KA50VA SUZ-KA60VA.TH SUZ-KA60VA SUZ-KA71VA.TH SUZ-KA71VA CONTENTS 1. COMBINATION OF INDOOR AND OUTDOOR UNITS ······2 2.

  • Page 2: Combination Of Indoor And Outdoor Units

    COMBINATION OF INDOOR AND OUTDOOR UNITS Outdoor unit Indoor unit Heat pump type SUZ- Service KA25VA(H).TH KA35VA(H).TH KA50VA.TH KA60VA.TH KA71VA.TH Service Ref. Manual No. — — — — SLZ-KA25VA(L).TH — — — SLZ-KA35VA(L).TH — OC320 — — — — SLZ-KA50VA(L).TH —...
  • Page 3 INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT • This room air conditioner adopts an HFC refrigerant (R410A) which never destroys the ozone layer. • Pay particular attention to the following points, though the basic installation procedure is same as that for R22 conditioners. 1 As R410A has working pressure approximate 1.6 times as high as that of R22, some special tools and piping parts/ materials are required.
  • Page 4 Conversion chart of refrigerant temperature and pressure (MPa [Gauge]) R410A NOTE : The unit of pressure has been changed to MPa on the international system of units(SI unit system). f [Gauge]) The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/f -0.5 -30 -20 -10 1.
  • Page 5 2 Flaring work and flare nut Flaring work for R410A pipe differs from that for R22 pipe. For details of flaring work, refer to Installation manual “FLARING WORK”. Dimension of flare nut (mm) Pipe diameter (mm) R410A 6.35 9.52 12.7 15.88 3.

  • Page 6: Part Names And Functions

    PART NAMES AND FUNCTIONS SUZ-KA25VA.TH ACCESSORIES SUZ-KA35VA.TH SUZ-KA25VAH.TH SUZ-KA35VAH.TH OUTDOOR UNIT Air inlet (back and side) Piping SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH Drain hose Drain socket Air outlet Drain outlet SUZ-KA50VA.TH ACCESSORIES SUZ-KA60VA.TH SUZ-KA71VA.TH OUTDOOR UNIT Air inlet (back and side) SUZ-KA50VA.TH SUZ-KA60VA.TH Piping SUZ-KA71VA.TH...

  • Page 7: Specification

    SPECIFICATION SLZ-KA•VA(L).TH / SUZ-KA•VA(H).TH SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH SUZ-KA50VA.TH Indoor Service Ref. Indoor Service Ref. Indoor Service Ref. Outdoor Service Ref. SLZ-KA25VA(L).TH SLZ-KA35VA(L).TH SLZ-KA50VA(L).TH Cooling Cooling Function Cooling Heating Heating Heating Single phase Single phase Single phase Power supply 230V,50Hz 230V,50Hz 230V,50Hz Capacity Rated frequency(Min.~Max.) 2.5(0.9-3.2) 3.0(0.9-4.5)
  • Page 8 SEZ-KC•VA.W, SEZ-KA•VA.TH / SUZ-KA•VA(H).TH SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH Indoor Service Ref. Indoor Service Ref. Outdoor Service Ref. SEZ-KC25VA.W SEZ-KA35VA.TH Cooling Heating Function Cooling Heating Single phase Single phase Power supply 230V,50Hz 230V,50Hz 2.5(0.9-3.2) 3.5(1.0-3.9) 4.0(0.9-5.0) Capacity Rated frequency(Min.-Max.) 3.0(0.9-4.5) — Dehumidification — Air flow 1 2,058 1,938...
  • Page 9 SEZ-KA•VA.TH / SUZ-KA•VA.TH SUZ-KA50VA.TH SUZ-KA60VA.TH SUZ-KA71VA.TH Outdoor Service Ref. Indoor Service Ref. Indoor Service Ref. Indoor Service Ref. SEZ-KA50VA.TH SEZ-KA60VA.TH SEZ-KA71VA.TH Cooling Cooling Cooling Heating Heating Heating Function Single phase Single phase Single phase Power supply 230V,50Hz 230V,50Hz 230V,50Hz 5.0(1.1-5.6) 5.5(1.1-6.3) 7.1(0.9-8.3) Capacity Rated frequency(Min.~Max.)
  • Page 10 Specifications and rating conditions of main electric parts SUZ-KA25VA.TH SUZ-KA25VAH.TH SUZ-KA35VA.TH SUZ-KA35VAH.TH Model SUZ-KA25VA.TH SUZ-KA25VAH.TH SUZ-KA35VA.TH SUZ-KA35VAH.TH Item (CT) Current transformer ETA19Z59BZ (CT761, CT781) Current transformer ETQ19Z71AY (C63A, C63B, C63C) Smoothing capacitor 620+ 420V (DB61, DB65) Diode module D25XB60 (F61)

  • Page 11: Noise Criteria Curves

    NOISE CRITERIA CURVES SUZ-KA25VA.TH SUZ-KA35VA.TH SUZ-KA25VAH.TH SUZ-KA35VAH.TH FUNCTION SPL(dB(A)) FUNCTION SPL(dB(A)) FAN SPEED LINE FAN SPEED LINE COOLING COOLING High High Med. Med. HEATING HEATING Test conditions, Test conditions, Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:) Cooling : Dry-bulb temperature 35: Wet-bulb temperature (24:)

  • Page 12: Outlines And Dimensions

    OUTLINES AND DIMENSIONS SUZ-KA25VA.TH SUZ-KA25VAH.TH Unit: mm SUZ-KA35VA.TH SUZ-KA35VAH.TH OUTDOOR UNIT REQUIRED SPACE Basically open 100mm or more without any obstruction in front and on both sides of the unit. Drain hole [42 (SUZ-KA25/KA35VA) Drain hole [33 (SUZ-KA25/KA35VAH) Air in...
  • Page 13 SUZ-KA50VA.TH Unit: mm SUZ-KA60VA.TH SUZ-KA71VA.TH OUTDOOR UNIT REQUIRED SPACE Open as a rule 500mm or more if the front and both sides are open 100mm or more 200mm or more if 100mm or more there are obstacles to both sides Open as a rule 500mm or more if the back, 350mm or more...

  • Page 14: Wiring Diagram

    WIRING DIAGRAM SUZ-KA25VA.TH MODELS WIRING DIAGRAM SUZ-KA35VA.TH OUTDOOR UNIT CONNECTING UNIT INDDOR...
  • Page 15 SUZ-KA25VAH.TH MODELS WIRING DIAGRAM SUZ-KA35VAH.TH OUTDOOR UNIT CONNECTING UNIT INDDOR...
  • Page 16 SUZ-KA50VA.TH SUZ-KA60VA.TH MODELS WIRING DIAGRAM OUTDOOR UNIT CN931 HC930 CN801 F801 CN903 CN902 SSR61 CN912 F911 LDE2 CN601 LDE1...
  • Page 17 SUZ-KA71VA.TH MODEL WIRING DIAGRAM OUTDOOR UNIT CN931 HC930 CN801 F801 CN903 CN902 SSR61 CN912 F911 LDE2 CN601 LDE1...

  • Page 18: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM SUZ-KA25VA.TH Unit:mm SUZ-KA25VAH.TH OUTDOOR UNIT Refrigerant pipe [9.52 4-way valve (with heat insulator) Muffler Stop valve (with service port) Outdoor Muffler Discharge heat Flared connection exchanger temperature thermistor RT62 Ambient Compressor temperature thermistor Defrost RT65 thermistor RT61...
  • Page 19 SUZ-KA50VA.TH Unit:mm SUZ-KA60VA.TH OUTDOOR UNIT Refrigerant pipe [12.7 (SUZ-KA50VA.TH) Muffler #100 (with heat insulator) [15.88 (SUZ-KA60VA.TH) 4-way valve Stop valve (with service port) Outdoor Flared connection Discharge heat Ambient temperature exchanger temperature thermistor Defrost thermistor RT62 thermistor RT65 RT61 Compressor Outdoor heat exchanger temperature...
  • Page 20 SUZ-KA25VA.TH SUZ-KA25VAH.TH SUZ-KA35VA.TH SUZ-KA35VAH.TH MAX. REFRIGERANT PIPING LENGTH Refrigerant piping Piping size O.D : mm Models Max. length : m Liquid SUZ-KA25VA.TH SUZ-KA35VA.TH 9.52 6.35 SUZ-KA25VAH.TH SUZ-KA35VAH.TH MAX. HEIGHT DIFFERENCE Indoor (SLZ/SEZ) unit w Max. Height difference 12m Refrigerant Piping Max.
  • Page 21 SUZ-KA50VA.TH SUZ-KA60VA.TH SUZ-KA71VA.TH MAX. REFRIGERANT PIPING LENGTH Refrigerant piping Piping size O.D : mm Model Max. length : m Liquid 12.7 SUZ-KA50VA.TH 6.35 SUZ-KA60VA.TH 15.88 SUZ-KA71VA.TH 9.52 MAX. HEIGHT DIFFERENCE Indoor (SLZ/SEZ) unit w Max. Height difference 15m Refrigerant Piping Max.

  • Page 22: Performance Curves

    PERFORMANCE CURVES SLZ-KA25VA(L).TH / SUZ-KA25VA.TH, SUZ-KA25VAH.TH SLZ-KA35VA(L).TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH SLZ-KA50VA(L).TH / SUZ-KA50VA.TH The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition. Operating conditions vary according to the areas where these units are installed. The following information has been provided to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
  • Page 23 20.8 23.9 28.2 22.1 19.2 26.0 17.6 20.2 23.9 16.0 18.4 21.7 14.4 16.5 19.5 12.8 14.7 17.4 11.2 12.9 15.2 11.0 13.0 Outdoor intake air Wet-bulb temperature (:) Outdoor intake air Wet-bulb temperature (:) NOTE:The above curves are for the heating operation without any frost. SUZ-KA25VA(H).TH SUZ-KA25VA(H).TH SUZ-KA25VA(H).TH...

  • Page 24: Heat Operation

    OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Relative humidity(%) Dry-bulb temperature 1 Both indoor and outdoor unit are under the same temperature/humidity condition. 2 Air flow : High speed 3 Operational frequency : 58Hz(SUZ-KA25VA(H).TH) 73Hz(SUZ-KA35VA(H).TH) 75Hz(SUZ-KA50VA.TH) SUZ-KA35VA(H).TH SUZ-KA50VA.TH SUZ-KA25VA(H).TH (kgf/F [Gauge]) (MPa [Gauge])

  • Page 25: Indoor Unit

    SEZ-KC25VA.W / SUZ-KA25VA.TH, SUZ-KA25VAH.TH SEZ-KA35VA.TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH SEZ-KA50VA.TH / SUZ-KA50VA.TH SEZ-KA60VA.TH / SUZ-KA60VA.TH SEZ-KA71VA.TH / SUZ-KA71VA.TH The standard data contained in these specifications apply only to the operation of the air conditioner under normal condition. Operating conditions vary according to the areas where these units are installed. The following information has been provided to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
  • Page 26 Cooling capacity Total input (cooling) Outdoor intake air Dry-bulb temperature (:) Outdoor intake air Dry-bulb temperature (:) Cooling capacity Total input (cooling) 10.5 Outdoor intake air Dry-bulb temperature (:) Outdoor intake air Dry-bulb temperature (:) Heating capacity Total input (heating) 25.2 22.7 24.5...
  • Page 27 SUZ-KA25VA(H).TH SUZ-KA25VA(H).TH SUZ-KA25VA(H).TH SUZ-KA25VA(H).TH Correction of Cooling capacity Correction of Cooling total input Correction of Heating total input Correction of Heating capacity 150(Hz) 150(Hz) 150(Hz) 150(Hz) The operational frequency of compressor The operational frequency of compressor The operational frequency of compressor The operational frequency of compressor SUZ-KA35VA(H).TH SUZ-KA35VA(H).TH...
  • Page 28 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT <How to operate fixed-frequency operation (Test run operation)> 1. Press the TEST button to COOL or HEAT mode. 2. Test run operation starts and continue to operate for 30 minutes. 3. Compressor starts at rated frequency in COOL mode or 58Hz in HEAT mode. 4.
  • Page 29 HEAT operation Condition indoor: Dry bulb temperature 20.0°C Wet bulb temperature 14.5°C Condition outdoor: Dry bulb temperature 2,7,15,20.0°C Wet bulb temperature 1,6,12,14.5°C SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH SUZ-KA50VA.TH SUZ-KA60VA.TH 58Hz 58Hz 58Hz 58Hz 25(:) 25(:) 25(:) 25(:) Ambient temperature(˚C) Ambient temperature(˚C) Ambient temperature(˚C) Ambient temperature(˚C) SUZ-KA71VA.TH 13.0...
  • Page 30 PERFORMANCE DATA COOLING operation Rated frequency 58Hz SLZ-KA25VA(L).TH / SUZ-KA25VA.TH, SUZ-KA25VAH.TH CAPACITY : 2.5(kW) INPUT : 690(W) SHF : 0.86 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 2.94 2.00 0.68 2.81 1.91 0.68...
  • Page 31 PERFORMANCE DATA COOLING operation Rated frequency 58Hz SLZ-KA25VA(L).TH / SUZ-KA25VA.TH, SUZ-KA25VAH.TH CAPACITY : 2.5(kW) INPUT : 690(W) SHF : 0.86 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 2.45 1.67 0.68 2.25 1.53 0.68 2.08 1.41 0.68...
  • Page 32 PERFORMANCE DATA COOLING operation Rated frequency 73Hz SLZ-KA35VA(L).TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH CAPACITY : 3.5(kW) INPUT : 1060(W) SHF : 0.77 OUTDOOR D.B.(;) INDOOR INDOOR SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT D.B.(;) W.B.(;) 4.11 2.43 0.59 3.94 2.32 0.59 3.78 2.23 0.59 3.64 2.15 0.59...
  • Page 33 PERFORMANCE DATA COOLING operation Rated frequency 73Hz SLZ-KA35VA(L).TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH CAPACITY : 3.5(kW) INPUT : 1060(W) SHF : 0.77 OUTDOOR D.B.(;) INDOOR INDOOR SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT D.B.(;) W.B.(;) 3.43 2.02 0.59 1039 3.15 1.86 0.59 1102 2.91 1.71 0.59 1145...
  • Page 34 PERFORMANCE DATA COOLING operation Rated frequency 65Hz SLZ-KA50VA(L).TH / SUZ-KA50VA.TH CAPACITY : 4.6(kW) INPUT : 1630(W) SHF : 0.68 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 5.41 2.70 0.50 1304 5.18 2.59...
  • Page 35 PERFORMANCE DATA COOLING operation Rated frequency 65Hz SLZ-KA50VA(L).TH / SUZ-KA50VA.TH CAPACITY : 4.6(kW) INPUT : 1630(W) SHF : 0.68 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 4.51 2.25 0.50 1597 4.14 2.07 0.50 1695 3.82...
  • Page 36 PERFORMANCE DATA COOLING operation Rated frequency 63Hz SEZ-KC25VA.W / SUZ-KA25VA.TH, SUZ-KA25VAH.TH CAPACITY : 2.5(kW) INPUT : 730(W) SHF : 0.74 OUTDOOR D.B.(;) INDOOR INDOOR SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT D.B.(;) W.B.(;) 2.94 1.65 0.56 2.81 1.58 0.56...
  • Page 37 PERFORMANCE DATA COOLING operation Rated frequency 63Hz SEZ-KC25VA.W / SUZ-KA25VA.TH, SUZ-KA25VAH.TH CAPACITY : 2.5(kW) INPUT : 730(W) SHF : 0.74 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 2.45 1.37 0.56 2.25 1.26 0.56 2.08 1.16 0.56...
  • Page 38 PERFORMANCE DATA COOLING operation Rated frequency 73Hz SEZ-KA35VA.TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH CAPACITY : 3.5(kW) INPUT : 1060(W) SHF : 0.77 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 4.11 2.43 0.59 3.94 2.32 0.59 3.78 2.23 0.59 3.64 2.15 0.59...
  • Page 39 PERFORMANCE DATA COOLING operation Rated frequency 73Hz SEZ-KA35VA.TH / SUZ-KA35VA.TH, SUZ-KA35VAH.TH CAPACITY : 3.5(kW) INPUT : 1060(W) SHF : 0.77 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 3.43 2.02 0.59 1039 3.15 1.86 0.59 1102 2.91 1.71 0.59 1145...
  • Page 40 PERFORMANCE DATA COOLING operation Rated frequency 80Hz SEZ-KA50VA.TH / SUZ-KA50VA.TH CAPACITY : 5.0(kW) INPUT : 1780(W) SHF : 0.75 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 5.88 3.35 0.57 1424 5.63 3.21...
  • Page 41 PERFORMANCE DATA COOLING operation Rated frequency 80Hz SEZ-KA50VA.TH / SUZ-KA50VA.TH CAPACITY : 5.0(kW) INPUT : 1780(W) SHF : 0.75 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 4.90 2.79 0.57 1744 4.50 2.57 0.57 1851 4.15...
  • Page 42 PERFORMANCE DATA COOLING operation Rated frequency 87Hz SEZ-KA60VA.TH / SUZ-KA60VA.TH CAPACITY : 5.5(kW) INPUT : 1960(W) SHF : 0.75 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 6.46 3.68 0.57 1568 6.19 3.53...
  • Page 43 PERFORMANCE DATA COOLING operation Rated frequency 87Hz SEZ-KA60VA.TH / SUZ-KA60VA.TH CAPACITY : 5.5(kW) INPUT : 1960(W) SHF : 0.75 OUTDOOR D.B.(;) INDOOR INDOOR D.B.(;) W.B.(;) SHC SHF INPUT SHC SHF INPUT SHC SHF INPUT 5.39 3.07 0.57 1921 4.95 2.82 0.57 2038 4.57...
  • Page 44 PERFORMANCE DATA COOLING operation Rated frequency 61Hz SEZ-KA71VA.TH / SUZ-KA71VA.TH CAPACITY : 7.1(kW) INPUT : 2460(W) SHF : 0.74 OUTDOOR D.B.( INDOOR INDOOR SHF INPUT SHF INPUT SHF INPUT SHF INPUT D.B.( W.B.( 8.34 4.67 0.56 1968 7.99 4.47 0.56 2066 7.67 4.29...
  • Page 45 PERFORMANCE DATA COOLING operation Rated frequency 61Hz SEZ-KA71VA.TH / SUZ-KA71VA.TH CAPACITY : 7.1(kW) INPUT : 2460(W) SHF : 0.74 OUTDOOR D.B.( INDOOR INDOOR D.B.( ; ) W.B.( ; ) SHF INPUT SHC SHF INPUT SHC SHF INPUT 6.96 3.90 0.56 2411 6.39 3.58 0.56 2558...
  • Page 46 PERFORMANCE DATA HEATING operation SLZ-KA25VA(L).TH / SUZ-KA25VA(H).TH Rated frequency 77Hz CAPACITY : 3.0(kW) INPUT : 830(W) OUTDOOR W.B.(;) INDOOR D.B.(;) INPUT INPUT INPUT INPUT INPUT INPUT INPUT 1.89 2.28 2.67 3.06 3.45 3.81 4.20 1.80 2.16 2.55 2.91 3.30 3.66 4.04 1.62 2.01...
  • Page 47 SEZ-KC25VA.W / SUZ-KA25VA(H).TH Rated frequency 77Hz CAPACITY : 3.0(kW) INPUT : 830(W) OUTDOOR W.B.(;) INDOOR D.B.(;) INPUT INPUT INPUT INPUT INPUT INPUT INPUT 1.89 2.28 2.67 3.06 3.45 3.81 4.20 1.80 2.16 2.55 2.91 3.30 3.66 4.04 1.62 2.01 2.37 2.76 3.15 3.51...

  • Page 48: Actuator Control

    <COOL> <HEAT> 5 seconds 5 seconds Compressor R.V.coil ON or OFF ON or OFF Outdoor fan motor 10-3. Relation between main sensor and actuator SUZ-KA25VA.TH SUZ-KA35VA.TH SUZ-KA25VAH.TH SUZ-KA35VAH.TH Actuator Sensor Purpose Outdoor Indoor Defrost Compressor RV-coil fan motor fan motor...

  • Page 49: Service Functions

    SUZ-KA35VAH.TH soldered (Initial setting) none (cut) TROUBLESHOOTING SUZ-KA25VA.TH SUZ-KA35VA.TH SUZ-KA25VAH.TH SUZ-KA35VAH.TH SUZ-KA50VA.TH SUZ-KA60VA.TH SUZ-KA71VA.TH 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.
  • Page 50 E02 444 705 DRAIN CAP HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN cCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD New publication, effective Oct. 2005 Distributed in Oct. 2005. No.OC322 REVISED EDITION-A PDF 8 Specifications subject to change without notice Distributed in Apr.

This manual is also suitable for:

Suz-ka25va.thSuz-ka35va.thSuz-ka35vah.thSuz-ka50va.thSuz-ka60va.thSuz-ka71va.th

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