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CONTENTS

1. GENERAL INFORMATION .............................................................................. 1

1.1 Specific features ....................................................................................... 1

1.2 How to read the model name ................................................................... 1

2. SELECTION DATA........................................................................................... 2

2.1 Specifications ........................................................................................... 2

2.2 Range of usage & limitations .................................................................. 5

2.3 Exterior dimensions ................................................................................. 5

2.4 Piping system ........................................................................................... 7

2.5 Selection chart .......................................................................................... 8

3. ELECTRICAL DATA ........................................................................................ 9

3.1 Electrical wiring ........................................................................................ 9

4. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ................... 10

4.1 Operation control function by remote control switch ........................... 10

4.2 Back-up switch.......................................................................................... 11

4.3 Power-cut compensation ......................................................................... 11

4.4 Flap control ............................................................................................... 12

4.5 Comfort timer setting ............................................................................... 12

4.6 Outline of heating operation .................................................................... 13

4.7 Outline of cooling operation .................................................................... 16

4.8 Outline of dehumidifying operation ........................................................ 17

4.9 Automatic operation ................................................................................. 18

4.10 Protective control function ...................................................................... 18

5. APPLICATION DATA ....................................................................................... 20

5.1 Selection of location for installation ....................................................... 21

5.2 Installation of indoor unit......................................................................... 22

5.3 Installation of outdoor unit ...................................................................... 24

5.4 Refrigerant piping ..................................................................................... 24

5.5 Test run ...................................................................................................... 26

5.6 Precautions for wireless remote controller installation and

operation ................................................................................................... 26

6. MAINTENANCE DATA..................................................................................... 27

6.1 Trouble shooting ....................................................................................... 27

6.2 Servicing.................................................................................................... 32

Brand	Mitsubishi Heavy Industries
Model	SRK20HC-S
Category	Room air conditioners
Language	English

Mitsubishi Heavy Industries SRK20HC-S User Manual

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