INVENTOR V4MKI-24UR Manuale utente

• INSTALLATION MANUAL

ENGLISH

FLOOR/CEILING TYPE

MODELS:

V4MKI-24UR/U4MRS-24

V4MKI-36UR/U4MRS-36

Accessories .................................................... 04

a. Indoor Unit Parts ........................................ 09

b. Indoor Unit Installation Instructions ....... 10

Safety Precautions ..................................... 05

Outdoor Unit Installation ......................... 11

a. Outdoor Unit Installation Instructions ..... 14

b. Outdoor Unit Types and Speciﬁcations ... 15

c. Notes on Drilling Hole in Wall .................... 16

Drainpipe Installation ............................... 17

Table of Contents

Installation Manual

Indoor Unit Installation ........................... 09

Installation Overview ............................... 08

Indoor Unit Installation ........................... 07

Page 3 

Refrigerant Piping Connection...................... 19

A. Notes on Pipe Length and Elevation ............... 19

B. Refrigerant Piping Connection Instructions ... 20

Wiring................................................. 22

a. Outdoor Unit Wiring ................... 22

b. Indoor Unit Wiring ...................... 23

c. Power Speciﬁcations .................... 24

Air Evacuation ................................................ 26

a. Evacuation Instructions ............................... 26

b. Note on Adding Refrigerant ...................... 27

Test Run.......................................................................................... 28

MC MC

L N

(R32/R290 refrigerant )

C au t i o n: Risk of fire

European Disposal Guidelines .......................................................

Information servicing...................................................................... 30

Page 4 

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.

Name Shape Quantity

Refrigeration

Fittings Soundproof/insulation

sheath (some models)

Drainpipe

Fittings

Outlet pipe sheath (some

models)

Outlet pipe clasp (some

models)

Drain joint (some models) 1

Seal ring (some models) 1

EMC Magnetic

Ring (some

models)

Remote

controller & Its

Frame (some

models)

Magnetic ring (wrap the

electric wires S1 & S2

( P & Q & E ) around

the magnetic ring twice)

Magnetic ring (Hitch it on

the connective cable

between indoor unit and

outdoor unit after

installation.)

Remote controller

Fixing screw for remote

controller holder ST2.9 x 10

Remote controller holder

Dry battery AAA

Owner’s manual

Installation manual

Remote controller illustration

S1&S2(P&Q&E)

Page 5 

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.

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

accordance with national regulations.

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

WARNING

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.

• This appliance can be used by children aged from 8 years and above and persons with reduced

physical, sensory or mental capabilities or lack of experience and knowledge if they have been

given supervision or instruction concerning use of the appliance in a safe way and understand

the hazards involved. Children shall not play with the appliance. Cleaning and user

maintenance shall not be made by children without supervision.

• Do not use means to accelerate the defrosting process or to clean, other than those

recommended by the manufacturer.

• 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.

An all-pole disconnection device which has at least 3mm clearances in all poles , and have a

leakage current that may exceed 10mA, the residual current device (RCD) having a rated residual

operating current not exceeding 30mA, and disconnection must be incorporated in the xed

wiring in accordance with the wiring rules.

Page 6  Page 6 

Amount of refrigerant

to be charged (kg) maximum installation

height (m) Minimum room

area (m²)

≤2.048 1.8m 4

≤2.048 0.6m 35

2.048-3.0 1.8m 8

2.048-3.0 0.6m 80

>3.0 1.8m 9

>3.0

Model

(Btu/h)

≤30000

30000-48000

>48000

>48000 0.6m 80

WARNING

• Appliance shall be installed, operated and stored in a room with a oor area larger than X m²,

installation of pipe-work shall be kept to a minimum X m²(Please see the following form ).

The appliance shall not be installed in an unventilated space, if that space is smaller than X m²

(Please see the following form ).Spaces where refrigerant pipes shall be compliance with

national gas regulations.

• Any person who is involved with working on or breaking into a refrigerant circuit should hold a

current valid certicate from an industry-accredited assessment authority, which authorises their

competence to handle refrigerants safely in accordance with an industry recognised assessment

specication.

• Servicing shall only be performed as recommended by the equipment manufacturer.

Maintenance and repair requiring the assistance of other skilled personnel shall be carried out

under the supervision of the person competent in the use of ammable refrigerants.

• Appliance shall be stored in a well-ventilated area where the room size corresponds to the room

area as specied for operation.

• Appliance shall be stored in a room without continuously operating open ames (for example

an operating gas appliance) and ignition sources (for example an operating electric heater).

• The appliance shall be stored in a room without continuously operating ignition sources

(for example: open ames, an operating gas appliance or an operating electric heater).

• Do not pierce or burn.

• The appliance shall be stored so as to prevent mechanical damage from occurring.

•

• Be aware that the refrigerants may not contain an odour.

• Keep ventilation openings clear of obstruction.

Compliance with national gas regulations shall be observed.

• A warning that the appliance shall be stored in a well-ventilated area where the room size

corresponds to the room area as specied for operation.

Note about Fluorinated Gasses

1. This air-conditioning unit contains ﬂuorinated gasses. 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.

3. Product uninstallation and recycling must be performed by a certiﬁed technician.

4. 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.

CAUTION

This symbol shows that a service personnel should be handling this

equipment with reference to the installation manual.

This symbol shows that information is available such as the operating

manual or installation manual.

This symbol shows that this appliance uses a ammable refrigerant. If the

refrigerant is leaked and exposed to an external ignition source, there is a

risk of re.

This symbol shows that the operation manual should be read carefully.

WARNING

CAUTION

Explanation of symbols displayed on the indoor unit or outdoor unia

(applicable to the unit adopts R32/R290 Refrigerant only):

Page 7  

Page 8 

Unit Installation

Overview

Installation Overview 3

L N

123

MC MC

Install the indoor unit

(Page 9)

INSTALLATION ORDER

Install the outdoor unit

(Page 14) Install the drainpipe

(Page 17)

Evacuate the refrigeration

system (Page 26) Connect the wires

(Page 22) Connect the refrigerant

pipes (Page 19)

Perform a test run

(Page 28)

Page 9 

Indoor Unit

Installation

Air inlet Display panel

Air outlet

grille

Louver

Installation part

Indoor Unit Installation 4

Indoor Unit Parts

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 and

cause personal injury, unit and property

damage, or 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

and radios to prevent static or image

distortion. Depending on the appliances,

a 1m (3.2’) distance may not be sucient.

•If the indoor unit is installed on metal,

it must be electrically grounded.

Page 10

Indoor Unit

Installation

Indoor Unit Installation Instructions

NOTE: Panel installation should be performed

after piping and wiring have been completed.

Step 1:Select installation location

The indoor unit should be installed in a location

that meets the following requirements:

Enough room exists for installation and

maintenance.

Enough room exists for the connecting the

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 blocked.

The airﬂow can ﬁll the entire room.

There is no direct radiation from heaters.

CAUTION

DO NOT install the unit in the following

Areas with oil drilling or fracking

Coastal areas with high salt content in the

air

Areas with caustic gases in the air, such as

hot springs

Areas that experience power uctuations,

such as factories

Enclosed spaces, such as cabinets

Kitchens that use natural gas

Areas with strong electromagnetic waves

Areas that store ﬂammable materials or gas

Rooms with high humidity, such as

bathrooms or laundry rooms

RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT

The distance between the mounted indoor unit should meet the specications illlustrated in the

following diagram. (See Fig. 4.2)

Fig. 4.2

≥35mm

≥1000mm

≥ 35mm

locations:

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