Hisense DC Inverter Unitary Series, Use And Installation Instructions

Contents

: The symbol refers to a hazard which can result in severe personal injury or death.
: The symbol refers to a hazard or an unsafe practice which may result in severe personal injury 

or death. 

: The symbol refers to a hazard or an unsafe practice which may result in personal injury, 

product or property damage. 

: It refers to the remarks and instruction to the operation, maintenance, and service.

DANGER

WARNING

CAUTION

NOTE

Alert Symbols

：

NOTE

:●

This heat pump air conditioner has been designed for the following temperatures. 

                Operate it within this range.

Series 

Mode

Outdoor Working Temperature

Maximum(

℃

)

Minimum(

℃

)

  DC-Inverter Unitary

Cooling Operation

48

-15

Heatling Operation

24

-15

Storage condition:    Temperature -25~60

℃

                                         Humidity      30%~80%

●

Caution Statements................................................................................................................................................1
Composition of the Air-Conditioner ........................................................................................................................2

Special Remarks ....................................................................................................................................................3
Troubleshooting

  .........................................................................................................................................................................................................................................................

3

Diagram of

Refrigerant

Cycle & Wiring

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

4

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

4

Installation and Maintenance

1. Safety Notice  ....................................................................................................................................................5
2. The Tools and Instruments for Installation .........................................................................................................6
3. The Installation of the Indoor Unit  .....................................................................................................................6

3.1 The Initial Check  ..........................................................................................................................................6

3.2 Installation ....................................................................................................................................................7

4. Refrigerant Pipe  ................................................................................................................................................9

4.1 The Pipe Material  ........................................................................................................................................9

4.2 The Connection of the Pipe  .........................................................................................................................9

10

6.1

6.2

hange of Static Pressure ........................................................................................................................

 7.1 Installation Sites .........................................................................................................................................13

    7.2 Installation of the Outdoor Unit ..................................................................................................................

14

    8.1 Flaring with Tube Expander ...................................................................................................................... 14
    8.2 Connecting Tubing between Indoor and Outdoor Units ............................................................................ 14
    8.3 Heat Insulation of the Refrigerant Tube  ....................................................................................................14
    8.4 Taping the Tubes........................................................................................................................................14
    8.5 Finishing the Installation

...........................................................................................................................14

9

    9.1 Air Purging with a Vacuum Pump ...............................................................................................................14
    9.2 Leak Test ....................................................................................................................................................15
    9.3 Tidy Up the Tubing .....................................................................................................................................15
    9.4 Test Run .....................................................................................................................................................15
    9.5 Common.....................................................................................................................................................16

Operation manual

5. Drain Piping......................................................................................................................................................
6. Electrical wiring ................................................................................................................................................11

General check ...........................................................................................................................................11

12

. The Installation of the Outdoor Unit ................................................................................................................ 13

. Refrigerant Tubing..........................................................................................................................................

. Air Purging and Test Run .................................................................................................................................14

 C

7
   

13

8