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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 Back-up Switch ......................................................................................12

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

4.4 Flap control ............................................................................................13

4.5 Comfortable timer setting .....................................................................13

4.6 Outline of heating operation.................................................................14

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

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

4.9 Outline of automatic operation.............................................................19

4.10 Economical operation ...........................................................................19

4.11 Protective control function ...................................................................19

5. APPLICATION DATA ....................................................................................25

5.1 Selection of location for installation ....................................................26

5.2 Installation of indoor unit......................................................................27

5.3 Installation of outdoor unit ...................................................................29

5.4 Refrigerant piping ..................................................................................29

5.5 Test run ...................................................................................................31

5.6 Precautions for wireless remote controller installation and

operation ................................................................................................32

6. MAINTENANCE DATA..................................................................................33

6.1 Troubleshooting procedures for electrical equipment.......................33

6.2 Servicing.................................................................................................51

7. REFRIGERANT PIPING INSTALLATION/SERVICING MANUAL

FOR AIR CONDITIONERS USING R410A ..................................................52

7.1 Outline ....................................................................................................52

7.2 Refrigerant piping installation ..............................................................53

7.3 Installation, removal and servicing ......................................................59

7.4 Refrigerant recovery..............................................................................64

Mitsubishi SRK25ZD-S User Manual

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