Mitsubishi Electric MXZ-C NA Series Скачать руководство пользователя

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No. OBH802

Models

MLZ-KP09NA

MLZ-KP12NA

MLZ-KP18NA

INDOOR UNIT

NOTE:

RoHS compliant products have <G> mark on the spec name plate.

MLZ-KP09NA
MLZ-KP12NA
MLZ-KP18NA

SERVICE MANUAL

Outdoor unit service manual

MXZ-C NA, MXZ-C NAHZ Series

(OBH702, OCH573)

PARTS CATALOG (OBB802)

CONTENTS

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

2. PART NAMES AND FUNCTIONS··················3

3. SPECIFICATION ········································4

4. OUTLINES AND DIMENSIONS ·····················6

5. WIRING DIAGRAM ·····································7

6. REFRIGERANT SYSTEM DIAGRAM ·············8

7. SERVICE FUNCTIONS ································9

8. MICROPROCESSOR CONTROL ················ 12

9. TROUBLESHOOTING ······························· 21

10. DISASSEMBLY INSTRUCTIONS ················ 35

Содержание MXZ-C NA Series

Страница 1: ...8NA SERVICE MANUAL Outdoor unit service manual MXZ C NA MXZ C NAHZ Series OBH702 OCH573 PARTS CATALOG OBB802 CONTENTS 1 TECHNICAL CHANGES 2 2 PART NAMES AND FUNCTIONS 3 3 SPECIFICATION 4 4 OUTLINES AND DIMENSIONS 6 5 WIRING DIAGRAM 7 6 REFRIGERANT SYSTEM DIAGRAM 8 7 SERVICE FUNCTIONS 9 8 MICROPROCESSOR CONTROL 12 9 TROUBLESHOOTING 21 10 DISASSEMBLY INSTRUCTIONS 35 ...

Страница 2: ...ctions Preparation before the repair service Prepare the proper tools Prepare the proper protectors Provide adequate ventilation After stopping the operation of the air conditioner turn off the power supply breaker and remove the power plug Discharge the capacitor before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts...

Страница 3: ...ng screw for 4 х 16 mm 2 Remote controller 1 Remote controller holder 1 Fixing screw for 3 5 x 16 mm Black 2 INDOOR UNIT MLZ KP09NA MLZ KP12NA MLZ KP18NA Display section Horizontal vane Vertical vane Air outlet LU OWHU LU SXULI LQJ OWHU Air inlet LU FOHDQLQJ OWHU Anti Allergy Enzyme ILOWHU RSWLRQ Intake grille Safety strings Spec name plate Open the display cover Remote control receiving section E...

Страница 4: ...32 27 47 41 36 29 Heating dB A 37 34 29 26 40 36 32 26 48 42 37 26 Cond drain connection O D in Ø1 26 mm Dimensions W in 43 3 8 D 14 3 16 H 7 5 16 Weight Ib 34 External finish White Control voltage by built in transformer 12 24 V DC NOTE Test conditions are based on ARI 210 240 1 Multi connection Specifications and rated conditions of main electric parts Model Item MLZ KP09NA MLZ KP12NA MLZ KP18NA...

Страница 5: ...OOL Dry 325 13 6 21 7 Wet MLZ KP12NA HEAT Dry 332 13 9 22 1 COOL Dry 350 14 6 23 3 Wet MLZ KP18NA HEAT Dry 403 16 9 26 7 COOL Dry 417 17 5 27 6 Wet 2 OPERATION The operating range of the outdoor unit depends on the connected outdoor unit Mode Condition Intake air temperature F Indoor Outdoor DB WB DB WB Cooling Standard temperature 80 67 95 Maximum temperature 90 73 115 Minimum temperature 67 57 1...

Страница 6: ...6 OUTLINES AND DIMENSIONS 4 Unit inch INDOOR UNIT MLZ KP09NA MLZ KP12NA MLZ KP18NA OBH802 ...

Страница 7: ...7 5 WIRING DIAGRAM INDOOR UNIT MLZ KP09NA U1 MLZ KP12NA U1 MLZ KP18NA U1 OBH802 ...

Страница 8: ...th heat insulator Indoor coil thermistor RT12 main Indoor heat exchanger Flared connection Room temperature thermistor RT11 Indoor coil thermistor RT13 sub Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe Ø1 2 Ø12 7 with heat insulator Refrigerant pipe Ø1 4 Ø6 35 with heat insulator Indoor coil thermistor RT12 RT14 RT15 main INDOOR UNIT Unit inch mm MLZ KP...

Страница 9: ...to set the remote controller 1 Hold down button on the remote controller for 2 seconds to enter the pairing mode 2 Press button again and assign a number to each remote controller Each press of button advances the number in the following order 1 2 3 4 3 Press button to complete the pairing setting After the setting turn ON the power supply and with the remote controller headed towards the indoor u...

Страница 10: ...ously at restart Therefore the special counter measures are required to prevent the main voltage drop or the rush of the starting current by adding to the system that allows the units to start one by one C111 JR77 IC101 How to disable AUTO RESTART FUNCTION Turn off the main power for the unit Cut the jumper wire to JR77 on the indoor electronic control P C board Refer to 9 7 Operation If the main ...

Страница 11: ...ical cover 1 Electrical cover 2 Electronic control P C board Slide switch SW3 Normal Up Increase airflow volume 7 4 P C BOARD MODIFICATION FOR CHANGING AIRFLOW VOLUME How to change Dip switch SWV1 setting Factory setting is normal 1 Make sure that the breaker for air conditioner is turned OFF 2 Remove the electrical cover 1 and 2 of the indoor unit 3 Slide out the electronic control P C board and ...

Страница 12: ...ure The room temperature is approaching the set tem perature About 2 to 4 F 1 to 2 C from set temperature Standby mode Refer to multi system operation Lit Blinking Not lit Signal transmitting section Battery replacement indicator Operation display section Temperature buttons STOP OPERATE OFF ON button Indication of remote controller model is on back FAN SPEED CONTROL button OPERATION SELECT button...

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