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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 ................... 11

4.1 Operation control function by remote control switch ........................... 11

4.2 Unit ON/OFF button .................................................................................. 12

4.3 Power blackout auto restart function ..................................................... 12

4.4 Custom cord switching procedure ......................................................... 13

4.5 Flap control ............................................................................................... 13

4.6 Timer operation ......................................................................................... 14

4.7 Outline of heating operation .................................................................... 15

4.8 Outline of cooling operation .................................................................... 18

4.9 Outline of dehumidifying operation ........................................................ 19

4.10 Outline of automatic operation................................................................ 20

4.11 Outline of clean operation ....................................................................... 20

4.12 Protective control function ...................................................................... 21

5. APPLICATION DATA ....................................................................................... 23

5.1 Selection of location for installation ....................................................... 24

5.2 Installation of indoor unit......................................................................... 25

5.3 Installation of outdoor unit ...................................................................... 28

5.4 Connection of refrigerant piping ............................................................. 28

5.5 Test run ...................................................................................................... 30

5.6 Precautions for wireless remote control installation and

operation ................................................................................................... 30

6. MAINTENANCE DATA .................................................................................... 31

6.1 Trouble shooting....................................................................................... 31

6.2 Servicing.................................................................................................... 36

Brand	Mitsubishi Heavy Industries
Model	SRK20HG
Category	Air Conditioner
Language	English

Mitsubishi Heavy Industries SRK20HG Technical Manual

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