Mitsubishi MUZ-FD12NA-U1 - User Manual

Mitsubishi MUZ-FD12NA-U1

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Table of Contents:

  • Page 3 – Air outlet
  • Page 4 – SPECIFICATION; NOTE
  • Page 5 – Test condition; OPERATING RANGE
  • Page 6 – OUTLINES AND DIMENSIONS; REQUIRED SPACE
  • Page 7 – WIRING DIAGRAM
  • Page 8 – REFRIGERANT SYSTEM DIAGRAM; MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
  • Page 9 – DATA
  • Page 10 – Cooling; Heating
  • Page 14 – -5. CAPACITY AND INPUT CORRECTION BY INVERTER OUTPUT FREQUENCY
  • Page 15 – ACTUATOR CONTROL; -3. RELATION BETWEEN MAIN SENSOR AND ACTUATOR
  • Page 16 – SERVICE FUNCTIONS; TROUBLESHOOTING
  • Page 23 – B Check of open phase
  • Page 25 – G Check of outdoor thermistors; Unit operates COOL mode even if it is set to HEAT mode.
  • Page 29 – M How to check miswiring and serial signal error
  • Page 30 – N Electromagnetic noise enters into TV sets or radios
  • Page 31 – Back side of unit
  • Page 32 – OPERATING PROCEDURE; Removing the cabinet; DISASSEMBLY INSTRUCTIONS
  • Page 33 – Removing the discharge temperature thermistor,; Photo 3
  • Page 34 – Removing outdoor fan motor
  • Page 36 – TM
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SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 4
4. OUTLINES AND DIMENSIONS ························ 6
5. WIRING DIAGRAM ············································ 7
6. REFRIGERANT SYSTEM DIAGRAM ··············· 8
7. DATA ·································································· 9
8. ACTUATOR CONTROL ··································· 15
9. SERVICE FUNCTIONS ··································· 16

10. TROUBLESHOOTING ····································· 16
11. DISASSEMBLY INSTRUCTIONS ···················· 32

Models

MUZ-FD09NA

MUZ-FD09NA-

U1

MUZ-FD12NA

MUZ-FD12NA-

U1

SPLIT-TYPE AIR CONDITIONERS

OUTDOOR UNIT

Indoor unit service manual

MSZ-FD•NA Series (OBH497)

NOTE:

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

TM

HFC

utilized

R410A

No. OBH498

REVISED EDITION-B

PARTS CATALOG (OBB498)

Revision B:

• 7. DATA has been corrected.

Please void OBH498 REVISED EDITION-A.

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Summary

Page 3 - Air outlet

33 1 TECHNICAL CHANGES MUZ-FD09NA MUZ-FD09NA - U1 MUZ-FD12NA MUZ-FD12NA - U1 1. New model PART NAMES AND FUNCTIONS 2 MUZ-FD09NA MUZ-FD12NA Air outlet Drain outlet Piping Drain hose Air inlet

Page 4 - SPECIFICATION; NOTE

4 3 SPECIFICATION Outdoor unit model MUZ-FD09NA MUZ-FD12NA Capacity Rated (Minimum~Maximum) Cooling 1 Btu/h 9,000 (2,800~9,000) 12,000 (2,800~12,000) Heating 47 1 Btu/h 10,900 (3,000~18,000) 13,600 (3,000~21,000) Capacity Rated Heating 17 2 Btu/h 12,500 13,600 Power consumption Rated (Minimum~Maximu...

Page 5 - Test condition; OPERATING RANGE

5 Test condition ARI Mode Test Indoor air condition (°F) Outdoor air condition (°F) Dry bulb Wet bulb Dry bulb Wet bulb SEER (Cooling) "A" Cooling Steady State at rated compressor Speed 80 67 95 (75) "B-2" Cooling Steady State at rated compressor Speed 80 67 82 (65) "B-1" Coo...

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