Mitsubishi SEZ-KD50VAQ- Manuals

Mitsubishi SEZ-KD50VAQ– User Manual in PDF format online.

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User Manual

User Manual Mitsubishi SEZ-KD50VAQ

Summary

Page 2 - PART NAMES AND FUNCTIONS; Indoor Unit; Operation buttons

2 1 PART NAMES AND FUNCTIONS Indoor Unit Air outlet duct flange Air outlet Air inlet ● Operation buttons Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Wired remote controller (option) PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. ...

Page 3 - Display; ̊F ̊C; Caution

3 ● Display For purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be lit. ˚F˚C ˚F˚C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF Identifies the current...

Page 4 - SPECIFICATIONS

4 2 SPECIFICATIONS kW kW A˚C(˚F) Fan Pa kW m 3 /min mm In.kg mm(in.) A Liquid mm(in.) Gas mm(in.)mm(in.) dB<A> Net weight R410A Motor output Airflow rate(Low-Mid-High) Motor type External finish Wiring Capacity Model Name Power source Optional parts Remark Document Standard attachment Power in...

Page 7 - External static pressure: 15Pa; External static pressure: 5Pa; External static pressure: 50Pa; External static pressure: 35Pa; NOISE CRITERION CURVES

7 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE B AND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µ bar) BAND CENTER FREQUENCIES, Hz SEZ-KD25VAQ.TH External static pressure: 15Pa High Middle 30...

Page 11 - NOTE: The sound level is measured in an anechoic room where; Measurement location; test unit

11 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE B AND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µ bar) BAND CENTER FREQUENCIES, Hz SEZ-KD71VAQ.TH External static pressure: 15Pa High Middle 4...

Page 12 - INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW

12 INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW SEZ-KD25VAQ (External static pressure 15Pa) 220-240V 50/60Hz External static pressure (Pa) 0 10 20 30 40 50 Airflow rate(m 3 /min) 4 5 6 7 8 9 10 Middle Low High Limit Rated point 0 40 30 20 10 4 5 6 7 8 9 10 Airflow rate(m 3 /min) External static pre...

Page 17 - OUTLINES AND DIMENSIONS

17 OUTLINES AND DIMENSIONS 3 Unit : mm 24 20 16 900 700 500 9 7 5 1060 860 660 L J H K { 12.7 SEZ-KD71VAQ SEZ-KD60VAQ SEZ-KD50VAQ SEZ-KD35VAQ 700 752 798 660 7 600 800 { 15.88 { 9.52 { 6.35 { 9.52 1198 998 A Model SEZ-KD25VAQ 1152 952 B 1100 900 C 1060 860 D 11 9 E 1000 800 F 1200 1000 G Airoutlet A...

Page 18 - WIRING DIAGRAM; SYMBOL EXPLANATION

18 4 WIRING DIAGRAM L1:ONLY SEZ-KD71VAQ INSIDE SECTION OF CONTROL BOX CN22(BLUE) LED1 CN3C(BLUE) CNMF SW2 SW1 CN32 CN20(RED) CN44 CN4F CN41 SWE ON OFF CN51 FS TH2 TH5 TH1 TB15 CN4F CN2L LED3 LED2 I.B. S1 TB4 S3 S2 TO OUTDOOR UNIT FAN MOTOR ARRESTER CONNECTOR (EMERGENCY OPERATION) INTAKE AIR TEMP. TH...

Page 19 - REFRIGERANT SYSTEM DIAGRAM; Heat exchanger

19 REFRIGERANT SYSTEM DIAGRAM 5 Pipe temperature thermistor/liquid (TH2) Distributor 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(Flar...

Page 20 - TROUBLESHOOTING; Lead wires; E D; Wired remote controller; • On wired remote controller.

20 6 TROUBLESHOOTING 6-1. CAUTIONS ON TROUBLESHOOTING (1) Before troubleshooting, check the followings: 1 Check the power supply voltage. 2 Check the indoor/outdoor connecting wire for mis-wiring. (2) Take care the followings during servicing. 1 Before servicing the air conditioner, be sure to turn ...

Page 21 - Wireless remote controller; • It is not possible to run the in FAN, DRY or AUTO mode.

21 • If the unit cannot be operated properly after the test run has been performed, refer to the following table to remove the cause. Symptom Cause Wired remote controller LED 1, 2 (PCB in outdoor unit) On the wireless remote controller with condition above, following phenomena take place.• No signa...

Page 23 - AUTO RESTART FUNCTION

23 Indicates whether control power is supplied. Make sure that this LED is always lit. Indicates whether power is supplied to the remote controller. This LED lights only in the case of the indoor unit which is connected to the outdoor unit refrigerant address “0”. Indicates state of communication be...

Page 28 - -4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena

28 6-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller. Phenomena Cause Countermeasure (1)LED2 on indoor controller board is off. • When LED1 on indoor controller board is also off. 1 Power supply of rated voltage is not supplied t...

Page 31 - Wiring contact check

31 6-7. DC FAN MOTOR (FAN MOTOR/ INDOOR CONTROLLER BOARD) Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Give attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller circuit board...

Page 32 - Remove the control box cover according to the; DISASSEMBLY PROCEDURE; Exercise caution when removing heavy parts.

32 1. Control box 1. Removing the control box cover(1) Remove the two fixing screws on the cover (A) to remove it. 2. Thermistor (Intake air) 1. Remove the control box cover according to the procedure in section [1]. (1) Pull out the thermistor holder (B) and thermis- tor (C) on the control box. (A)...

Page 33 - filter in the direction of the arrow 1.; Note; Insulation material

33 3. Drainpan Exercise 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 filter in the direction of the arrow 1. (2) Remove the fixing screws on the bottom plate (D), (E) to remove it. 2. Removing the drainpan(1) Pull o...

Page 34 - Remove the drain pan according to the proce-

34 4. Thermistor (Condenser / evaporator) (Liquid pipe) 1. Remove the drain pan according to the proce- dure in section [3]. 2. Removing the Heat exchanger cover(1) Remove the four fixing screws on the heat exchanger cover (F) to remove it. 3. Removing the thermistor(1) Remove the thermistor (G) fro...

Page 35 - it in the direction of arrow 2.

35 3. Removing the motor cable(1) Remove the motor cable threw the rubber bush. 4. Removing the fan motor and the Sirocco fan(1) Remove the two motor fixing screws to remove the motor and the Sirocco fan in thedirection of arrow 3. Fig. 11 (2) Remove the four fan case fixing screws to take the top h...

Page 40 - TM

New publication, effective Dec. 2010 Specifications subject to change without notice. HWE10080 Printed in Japan TM

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