Cooper&Hunter CH12LCDTUI, CH18LCDTUI, CH09LCDTUI Installation Manual

CH-09LCDTU/I
CH-12LCDTU/I
CH-18LCDTU/I
CH-24LCDTU/I

Table of Contents

Installation Manual

1

Accessories ....................................... 05

2

Safety Precautions . .......................... 06

3

Installation Overview ....................... 07

4

Indoor Unit Installation .................... 08

5

Outdoor Unit Installation . 13

a. Outdoor Unit Installation Instructions . 13

b. Outdoor Unit Types and Specifications .... 14

c. Notes on Drilling Hole in Wall . 15

a. Indoor Unit Parts .............................. 08

b. Indoor Unit Installation Instructions ..... 09

6

Drainpipe Installation ....................... 16

Refrigerant Piping Connection ....................... 18

7

A. Notes on Pipe Length and Elevation .............. 18

B. Refrigerant Piping Connection Instructions ...20

L N

8

Wiring ................................................. 23

a. Outdoor Unit Wiring .................. 23

b. Indoor Unit Wiring ..................... 24

c. Power Specifications ................... 26

9

Air Evacuation .................................................. 28

a. Evacuation Instructions ................................ 28

b. Note on Adding Refrigerant ....................... 29

MC MC

10

Test Run ............................................. 30

 Page 3 

Accessories

1

The air conditioning system comes with the following accessories. Use all of the installation parts
and accessories to install the air conditioner. Improper installation may result in water leakage,
electrical shock and re, or equipment failure.

Tubing & Fittings

Drainpipe Fittings
(for cooling & heating)

EMC Magnetic Ring
(some models)

Soundproof / insulation sheath

Seal sponge (some models)

Orice (some models)

Drain joint (some models)

Seal ring (some models)

Magnetic ring
(wrap the electric wires S1 & S2 ( P & Q & E )
around the magnetic ring twice)

Magnetic ring
(Hitch on the connective cable between the indoor
unit and outdoor unit after installation.)

Owner‘s manual

Installation manual

SHAPENAME

S1&S2(P&Q&E)

QUANTITY

2

1

1

1

1

1

1

1

1

Others

Wireless remote control manual

Wired remote control manual

Connecting wire for display (2m)

Display panel
*Just for testing purposes only

1(on some models)

1(on some models­KJR-120G,KJR-120H)

Optional accessories

•

There are two types of remote controls: wired and wireless.
Select a remote controller based on customer preferences and requirements and install in an
appropriate place.
Refer to catalogues and technical literature for guidance on selecting a suitable remote controller.



1

1

Page 5



Safety Precautions

Failure to observe a caution may result in injury or equipment damage.

2

Read Safety Precautions Before Installation

Incorrect installation due to ignoring instructions can cause serious damage or injury.

The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION.

Failure to observe a warning may result in death. The product must be installed by

WARNING

CAUTION

WARNING

installers or contractors who are licensed HVAC professionals and in compliance with
all local, state and provincial laws.

• Carefully read the Safety Precautions before installation.

• In certain functional environments, such as kitchens, server rooms, etc., the use of specially

designed air-conditioning units is highly recommended.

• Only trained and certified technicians should install, repair and service this air
conditioning unit.

Improper installation may result in electrical shock, short circuit, leaks, fire or other damage to
the equipment and personal property.

• Strictly follow the installation instructions set forth in this manual.

Improper installation may result in electrical shock, short circuit, leaks, fire or other damage to
the equipment.

• Before you install the unit, consider strong winds, typhoons and earthquakes that might aect
your unit and locate it accordingly. Failure to do so could cause the equipment to fail.

• After installation, ensure there are no refrigerant leaks and that the unit is operating properly.
Refrigerant is both toxic and flammable and poses a serious health and safety risk.

Note about Fluorinated Gases

This air-conditioning unit contains fluorinated gases. For specific information on the type of gas

1.
and the amount, please refer to the relevant label on the unit itself.

2.

Installation, service, maintenance and repair of this unit must be performed by a certified
technician.
Product uninstallation and recycling must be performed by a certified technician.

3.

4.

If the system has a leak-detection system installed, it must be checked for leaks at least every 12
months.

5.

When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.

 Page 6



Installation Overview

L N

INSTALLATION ORDER

Unit Installation

Overview

3

1

Install the indoor unit

(Page 8)

6

MC MC

2

Install the outdoor unit

(Page 13)

5

3

Install the drainpipe

(Page 15)

4

Evacuate the refrigeration system

(Page 28)

7

Perform a test run

(Page 30)

Connect the wires

(Page 23)

Connect the refrigerant pipes

(Page 18)

 Page 7  

Indoor Unit

Installation

Indoor Unit Parts

Indoor Unit Installation

4

Air inlet

Electric control cabinet

Air filter(on selected models)

Air outlet

Fig. 4.1

Safety Precautions

WARNING

• Securely install the indoor unit on a structure

that can sustain its weight. If the structure is
too weak, the unit may fall causing personal
injury, unit and property damage, or even
death

• DO NOT install the indoor unit in a bathroom

or laundry room as excessive moisture can
short the unit and corrode the wiring.

Indoor Unit Installation Instructions

Step 1: Select installation location

The indoor unit should be installed in a location
that meets the following requirements:

√

Enough room for installation and maintenance.



√

 Enough room for the connecting pipe and

drainpipe.

√

 The ceiling is horizontal and its structure can

sustain the weight of the indoor unit.

√

 The air inlet and outlet are not impeded.

√

 The airflow can fill the entire room.

√

 There is no direct radiation from heaters.

√



It is embeded installation.

Drain hose

Refrigerant connecting pipe

CAUTION

• Install the indoor and outdoor units, cables
and wires at least 1m (3.2’) from televisions
or radios to prevent static or image
distortion. Depending on the appliances, a
1m (3.2’) distance may not be sufficient.

• If the indoor unit is installed on a metal
part of the building, it must be grounded.

CAUTION

DO NOT install the unit in the following

locations:

Where oil drilling or fracking is taking place.

Coastal areas with high salt content in the air

Near geothermal activity and corrosive gas

Buildings that may experience power

Enclosed spaces

Areas with strong electromagnetic waves

Areas that store ammable materials or gas

Rooms with high humidity, such as

uctuations

bathrooms or laundry rooms

 Page 8 

Installation place

Strong and durable ceiling

Left
side

Indoor unit

Right
side

>0.8in(2cm)

B

>0.8in(2cm)

>11.8in(30cm)

Indoor Unit

Installation

>4in(10cm) >11.8in(30cm)

Maintenance space

> (20cm)

7.9

in

Air outlet

Service access Ceiling

Floor

> (30cm)

11.8in

(When no ceiling)

> 8.2in(250cm)

Air inlet

23.6inx23.6in (60cmx60cm)
checking orifice

Fig. 4.2

Step 2: Hang indoor unit.

1. Please refer to the following diagrams to locate the four positioning screw bolt holes on the
ceiling. Be sure to mark the paces where you will drill ceiling hook holes.

Air outlet dimensions

 Page 9 