Cooper & Hunter CH-12LCDTU/I User manual

CH-09LCDTU/I

CH-12LCDTU/I

CH-18LCDTU/I

CH-24LCDTU/I

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

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

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

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

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

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

Table of Contents

Installation Manual

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

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

Page 3 

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

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

B. Refrigerant Piping Connection Instructions ...20

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

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

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

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

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

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

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

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

MC MC

L N

Page 5 

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.

Connecting wire for display (2m)

QUANTITY

SHAPENAME

Soundproof / insulation sheath 2

Tubing & Fittings

Others

Transfer connector(Φ6.35-Φ9.52)/

( )(Packed with the indoor unit)

NOTE: Pipe size may dier from appliance to

appliance. To meet dierent pipe size requirements,

sometimes the pipe connections need a transfer

connector installed on the outdoor unit .

Drain joint (some models)

Seal ring (some models)

Drainpipe Fittings

(for cooling & heating)

Seal sponge (some models)

EMC Magnetic 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.)

Orice (some models) 1

1(on some models)

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.

•

S1&S2(P&Q&E)

Display panel

*Just for testing purposes only

1(on some models-

KJR-120G,KJR-120H)

Wired remote control manual

Wireless remote control manual

Installation manual

Owner‘s manual

Safety Precautions 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.

WARNING

• 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

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

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.

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

months.

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

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

installers or contractors who are licensed HVAC professionals and in compliance with

all local, state and provincial laws.

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

WARNING

CAUTION

Page 6 

Installation Overview 3

Unit Installation

Overview

L N

123

MC MC

Install the indoor unit

(Page 8)

INSTALLATION ORDER

Install the outdoor unit

(Page 13) Install the drainpipe

(Page 15)

Evacuate the refrigeration system

(Page 28) Connect the wires

(Page 23) Connect the refrigerant pipes

(Page 18)

Perform a test run

(Page 30)

Page 7  

Indoor Unit Installation 4

Indoor Unit

Installation

Indoor Unit Parts

Fig. 4.1

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.

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.

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.

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

uctuations

Enclosed spaces

Areas with strong electromagnetic waves

Areas that store ammable materials or gas

Rooms with high humidity, such as

bathrooms or laundry rooms

Air outlet

Air inlet

Air filter(on selected models)

Drain hose

Electric control cabinet

Refrigerant connecting pipe

√

Safety Precautions

Page 8 

It is embeded installation.

√

Indoor Unit

Installation

Air outlet

Air inlet

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.

Maintenance space

Installation place

Left

side

Right

side

Strong and durable ceiling

Indoor unit

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

>0.8in(2cm)

>11.8in(30cm)

> 8.2in(250cm)

Floor

Service access Ceiling

(When no ceiling)

Fig. 4.2

Air outlet dimensions

Page 9 

>(20cm)

7.9in 11.8in

23.6inx23.6in (60cmx60cm)

checking orifice

>(30cm)

Fig. 4.3

Air lter

Descending ventilation opening and mounted hook

Air lter

Electric control box

Table.4-1 (unit: inch/mm)

MODEL

(Btu/h)

Outline dimension

A B C

air outlet opening size

D E F

air return opening size

Size of mounted lug

18K

24K

30K~36K

36K~60K

9K/12K 7.9/200 19.9/50627.6/700 6/152 21.1/53717.7/450 7.3/186 29.2/74123.6/599

14.2/360

Indoor Unit

Installation

Fig. 4.6 Fig. 4.7

Original concrete bricks

Use an embedding screw bolt, crock, and stick

harness.(See Fig.4.6)

Steel Roof beam structure

Install and use the supporting steel angle.

(See Fig.4.7)

Fig. 4.4

Wood

Place the wood mounting across the roof beam,

then install the hanging screw bolts.(See Fig.4.4)

Wood mounting

Roof beam

Hanging screw bolts

Ceiling Fig. 4.5

New concrete bricks

Inlay or embed the screw bolts. (See Fig. 4.5)

(Blade shape insertion) (Slide insertion)

Steel bar

Embedding screw bolt

(Pipe hanging and embedding screw bolt)

Hanging screw bolt

Hanging

bolts

Supporting

steel angle

Page 10 

Air inlet dimensions

9.8/249 30.5/77453.5/1360

11.8/300 34.4/87447.2/1200

6.9/175 46.7/118627.6/700

8.9/227 41.1/104431.5/800

8.9/228

11/280

55.1/140049.6/1261

48.8/124043.3/1101

23.5

598

27.4

697

9.8/249 30.5/77443.3/1100 6.9/175 36.5/92627.6/700 8.9/228 44.9/114039.4/1001

23.5

598

8.3/210 26.5/67434.6/880 5.4/136 27.8/70623.6/600 7.5/190 36.2/92030.8/782

508

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