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HWE1212A

CONTENTS

SAFETY PRECAUTIONS ············································································ 3

1. FEATURES ··························································································· 5

2. PART NAMES AND FUNCTIONS ······························································ 6

2-1. Indoor (Main) Unit .................................................................................................................. 6

2-2. Remote controller...................................................................................................................6

3. SPECIFICATION ···················································································· 8

3-1. Specification...........................................................................................................................8

3-2. Electrical parts specifications .................................................................................................9

4. OUTLINES AND DIMENSIONS ································································10

5. WIRING DIAGRAM ················································································ 11

6. REFRIGERANT SYSTEM DIAGRAM ························································12

7. TROUBLESHOOTING ············································································13

7-1. How to check the parts ........................................................................................................ 13

7-2. Setting of address switch ..................................................................................................... 14

7-3. Setting of Dip-switch (at delivery) ........................................................................................ 15

7-4. Attention for test run ............................................................................................................. 15

7-5. Function the LED of the indoor unit service board ...............................................................15

8. DISASSEMBLY PROCEDURE ·································································16

8-1. Service panel .......................................................................................................................16

8-2. Control box...........................................................................................................................17

8-3. Fan .......................................................................................................................................19

8-4. LEV•Pipe thermistor ............................................................................................................. 20

8-5. Drain pump•Drain sensor ..................................................................................................... 21

8-6. Drain pan ............................................................................................................................ 22

8-7. Heat exchanger ...................................................................................................................23

Mitsubishi Electric CITY MULTI PEFY-P-NMHU-E2 User Manual

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