Mitsubishi Electric SEZ-KD09NA Manuale di Servizio

TECHNICAL & SERVICE MANUALCONTENTS1. PART NAMES AND FUNCTIONS ········22. SPECIFICATIONS·································43. OUTLINES AND DIMENSIO

10INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOWSEZ-KD09NA(External static pressure 0.06[in.WG](15Pa)) 208/230V 60Hz0102030405045678910Airflow rate(m3

11SEZ-KD12NA(External static pressure 0.06[in.WG](15Pa)) 208/230V 60Hz6 7 8 9 10111201020304050External static pressure [in.WG](Pa)[0.20][0.16][0.12

12SEZ-KD15NA(External static pressure 0.06[in.WG](15Pa)) 208/230V 60Hz8 9 10 11 12 13 14 15 1601020304050External static pressure [in.WG](Pa)[0.20][

13SEZ-KD18NA(External static pressure 0.06[in.WG](15Pa)) 208/230V 60Hz9 1011121314151617181901020304050External static pressure [in.WG](Pa)[0.20][0.

14OUTLINES AND DIMENSIONS3Unit : mm(in.)SEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.TH(46-7/8)1190(39)990(31-1/8)790N(48-25/32)1239(40-29/32)103

154WIRING DIAGRAMSEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.TH211~M135311456734124231123TB15 TB4PARTS LOCATIONI. B.CONTROL BOXDrainpump(Yellow)

16REFRIGERANT SYSTEM DIAGRAM5Pipe temperature thermistor/liquid (TH2)DistributorCondenser/evaporator temperature thermistor(TH5)Room temperature therm

176HEATER CONTROL6-1. Control specifications and Function settingTable 1 shows how the field-installed heater is controlled. Select the desired patter

18The following section describes installation of the External Heater Adapter that connects to SEZ-KD NAseries indoor unit. This products is the speci

19For relay X use the specifications given below Operation coilRated voltage: 12VDCPower consumption: 0.9W or less* Use the diode that is recommended

21PART NAMES AND FUNCTIONSIndoor UnitSEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.THAir outlet duct flangeAir outletAir inlet● Operation buttonsO

207TROUBLESHOOTING7-1. CAUTIONS ON TROUBLESHOOTING(1) Before troubleshooting, check the followings:1 Check the power supply voltage.2 Check the indoor

21•If the unit cannot be operated properly after the test run has been performed, refer to the following table to remove the cause.SymptomCauseWired r

227-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeAbnormal po

23Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection isworking1 Freezing protection (Cooling mode)The

24Error CodeAbnormal point and detection method CauseCountermeasureP9Abnormality of pipe temperature ther-mistor / Condenser-Evaporator (TH5)1 The uni

25E61 Contact failure, short circuit or,mis-wiring (converse wiring) ofindoor/outdoor unit connectingwire2 Defective transmitting receivingcircuit of

267-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller.PhenomenaCauseCountermeasur

277-5. TEST POINT DIAGRAM7-5-1. Indoor controller boardSEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.THCN01 Power supply voltage (208 - 230VAC)SWE

287-6. TROUBLE CRITERION OF MAIN PARTSSEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.THRoom temperaturethermistor(TH1)Condenser/evaporatortemperatu

297-7. DC FAN MOTOR (FAN MOTOR/ INDOOR CONTROLLER BOARD) Notes· High voltage is applied to the connecter (CNMF) for the fan motor. Give attention to t

3● DisplayFor purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be lit.˚F˚C˚

30SEZ-KD09NA.THSEZ-KD12NA.THSEZ-KD15NA.THSEZ-KD18NA.TH1. Control box1. Removing the control box cover(1) Remove the two fixing screws on the cover (A)

313. DrainpanExercise caution when removing heavy parts.1. Removing the filter and the bottom plate(1) Push up the tab on the filter, and pull out the

324. Thermistor (Condenser / evaporator)(Liquid pipe)1. Remove the drain pan according to the proce-dure in section [3].2. Removing the Heat exchanger

333. Removing the motor cable(1) Remove the motor cable threw the rubberbush.4. Removing the fan motor and the Sirocco fan(1) Remove the two motor fix

34(K)Fig. 13(2) Remove the two bearing retainer screws toremove the bearing.Fig. 146. Bearing [KD15·18NA model only]1. Removing the bearing(1) Remove

New publication, effective Nov. 2008.Specifications subject to change without notice.HWE08020Printed in JapanTM

42SPECIFICATIONS BTU/h kW A˚F(˚C) Fanin.WG(Pa) kWm3/minCFML/Smm In.kgin.(mm) A Liquidin.(mm) Gasin.(mm)in.(mm)dB<A> Net weightR410A Motor outp

53.Cooling capacity value at 1:1systemHeating capacity value at 1:1system BTU/h kW A˚F(˚C) Fanin.WG(Pa) kWm3/minCFML/Smm In.kgin.(mm) A Liquidin.(mm)

690807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

790807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

890807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

990807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND