Hitachi RAS-6.5UNESMH1 - Hitachi Air Conditioner Option List; Wired Remote Controller Installation

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Contents

Safety Precautions..............................................................................................................1

Identification of Parts .........................................................................................................3

Before Operation.................................................................................................................5

Diagram of Refrigerant Cycle & Wiring.............................................................................8

1. Refrigerant Flow Diagram .................................................................................................8

2. Electrical Wiring Diagram..................................................................................................8

Installation and Maintenance.............................................................................................9

1. Safety Notice.....................................................................................................................9

2. The Tools and Instruments for Installation ......................................................................10

3. The Installation of the Indoor Unit ..................................................................................10

3.1 The Initial Check .......................................................................................................11

3.2 Installation(1.5HP~2HP) ...........................................................................................13

3.3 Installation(3HP~6.5HP) ...........................................................................................15

3.4 Installation Details for Air Panels ..............................................................................17

4. The Installation of Outdoor Unit ......................................................................................18

4.1 The Initial Check .......................................................................................................18

4.2 Installation.................................................................................................................18

4.3 Refrigerant Length between Indoor and Outdoor .....................................................19

5. Refrigerant Piping ...........................................................................................................20

5.1 The Piping Material...................................................................................................20

5.2 The Piping connection ..............................................................................................20

5.3 Air Exhaust ...............................................................................................................21

6. Drain Piping ....................................................................................................................22

7. Electrical Wiring ..............................................................................................................24

7.1 General Check..........................................................................................................24

7.2 Electrical Wiring Connection.....................................................................................24

8. Test Run..........................................................................................................................25

9. Electrical installation .......................................................................................................26

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