INVENTOR V5MCI32-18WiFiR, V5MCI32-36WiFiR, V5MCI32-60WiFiR, V5MCI32-24WiFiR, V5MCI32-50WiFiR Installation Manual

...

AIR CONDITIONING SYSTEMS

CASSETTE TYPE

• INSTALLATION MANUAL

• ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ

• MANUAL DE INSTALARE

• INSTALLATIONSHANDBUCH

MODELS:

V5MCI32-18WiFiR/U5MRS32-18 V5MCI32-24WiFiR/U5MRS32-24 V5MCI32-36WiFiR/U5MRS32-36 V5MCI32-50WiFiR/U5MRT32-50 V5MCI32-60WiFiR/U5MRT32-60

ENGLISH | ΕΛΛΗΝΙΚΑ | ROMANA | DEUTSCH

Table of Contents

Refrigerant Piping Connection.......................17

A. Notes on Pipe Length and Elevation..............17

B. Refrigerant Piping Connection Instructions...19

Wiring................................................. 21

a. Outdoor Unit Wiring ...................21

b. Indoor Unit Wiring ...................... 22

c. Power Specifications................... 23

Air Evacuation

................................................. 25

a. Evacuation Instructions ................................ 25

b. Note on Adding Refrigerant....................... 26

Panel Installation....................................................................... 27

Test Run.......................................................................................... 29

MC MC

L N

(R32/R290 refrigerant )

Ca uti on: Risk of fire

European Disposal Guidelines.......................................................30

Information servicing......................................................................31

Installation Manual

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

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

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

Outdoor Unit Installation......................... 12

a. Outdoor Unit Installation Instructions......12

b. Drain Joint Installation............................14

c. Notes on Drilling Hole in Wall....................14

Indoor Unit Installation

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

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

...........................08

Drainpipe Installation ...............................15

Refrigerant Piping Connection.......................17

A. Notes on Pipe Length and Elevation..............17

B. Refrigerant Piping Connection Instructions...19

L N

Wiring................................................. 21

a. Outdoor Unit Wiring ...................21

b. Indoor Unit Wiring ...................... 22

c. Power Specifications................... 23

Air Evacuation

a. Evacuation Instructions ................................ 25

b. Note on Adding Refrigerant....................... 26

Ca uti on: Risk of fire

(R32/R290 refrigerant )

................................................. 25

Panel Installation....................................................................... 27

Test Run.......................................................................................... 29

European Disposal Guidelines.......................................................30

Information servicing......................................................................31

MC MC

 Page 5 

Safety Precautions

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.

• 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 certied 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 affect

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.

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

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 fixed wiring in accordance with the wiring rules.

• The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, 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 specified for operation.

Accessories

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 fire, or cause the equipment to fail.

Name Shape Quantity

Indoor unit installation

Installation paper template (some models)

Refrigeration Fittings

Soundproof/insulation sheath (some models)

Outlet pipe sheath (some models)

Drainpipe Fittings

Outlet pipe clasp (some models)

Drain joint (some models)

Seal ring (some models)

Installation Accessory (some models)

Ceiling hook

Suspension bolt

EMC Magnetic Ring (some models)

Orifice tube (some units)

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

S1&S2(P&Q&E)

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

Remote controller

Remote controller & Its Frame (some models)

Fixing screw for remote controller holder ST2.9 x 10

Remote controller holder

Dry battery AAA

Remote controller illustration

Owner’s manual

Installation manual

 Page 4 

Safety Precautions

Failure to observe a warning may result in death. The appliance must be installed in accordance with national regulations.

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

CAUTION

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

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 certied 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 affect 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.

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

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

(for example: open flames, 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.

Compliance with national gas regulations shall be observed.

• Keep ventilation openings clear of obstruction.

• A warning that the appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.

 Page 5 

WARNING

Installation Overview

L N

MC MC

Install the indoor unit

(Page 9)

INSTALLATION ORDER

Install the outdoor unit

(Page 12)

Install the drainpipe

(Page 15)

Connect the wires

(Page 22)

Connect the refrigerant pipes

(Page 19)

Evacuate the refrigeration system

(Page 25)

Install the front panel

(Page 27)

Perform a test run

(Page 29)

 Page 7  

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

•

current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification.

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 flammable refrigerants.

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

•

area as specified for operation. Appliance shall be stored in a room without continuously operating open flames (for example

•

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

• Appliance shall be installed, operated and stored in a room with a floor 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.

Model (Btu/h)

≤30000 30000-48000

>48000

Note about Fluorinated Gasses

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

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

Explanation of symbols displayed on the indoor unit or outdoor unia (applicable to the unit adopts R32/R290 Refrigerant only):

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.

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

WARNING

Amount of refrigerant to be charged (kg)

≤2.048 2.2m 4

2.048-3.0 2.2m 4

>3.0 2.2m 5

This symbol shows that this appliance uses a flammable refrigerant. If the refrigerant is leaked and exposed to an external ignition source, there is a risk of fire.

maximum installation height (m)

Minimum room area (m²)

CAUTION

 Page 6  Page 6 

CAUTION

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

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.

Installation Overview

L N

INSTALLATION ORDER

Install the indoor unit

(Page 9)

MC MC

Install the outdoor unit

(Page 12)

Install the drainpipe

(Page 15)

Evacuate the refrigeration system

(Page 25)

Install the front panel

(Page 27)

Connect the wires

(Page 22)

Perform a test run

(Page 29)

Connect the refrigerant pipes

(Page 19)

 Page 7  

 Page 9 

Table 4.1: Distance from ceiling relative to height of indoor unit

MODEL Length of A (mm/inch) Length of H (mm/inch)

18 205/8 > 235/9.3

24 205/8 > 235/9.3

30 205/8 > 235/9.3

30-48 245/9.6 > 275/10.8

48-60 287/11.3 > 317/12.5

Indoor Unit Installation Instructions

NOTE: Panel installation should be done after

piping and wiring.

Step 1: Select installation location

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

o The unit is at least 1m (39”) from the nearest

wall.

o There is enough room for installation and

maintenance.

o There is enough room for the connecting

pipe and drainpipe.

o The ceiling is horizontal and its structure

can sustain the weight of the indoor unit.

o The air inlet and outlet are not impeded. o The airflow can fill the entire room. o There is no direct radiation from heaters.

CAUTION

DO NOT install the unit in the following

locations:

In areas with oil drilling or fracking

In coastal areas with high salt content in the air

In areas with caustic gases in the air, such

as near hot springs In areas with power fluctuations, such as

factories

In enclosed spaces, such as cabinets

In kitchens that use natural gas

In areas with strong electromagnetic waves

In areas that store flammable materials or

gas

In rooms with high humidity, such as

bathrooms or laundry rooms

RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT AND THE CEILING

The distance between the mounted indoor unit and the internal ceiling should meet the following specifications. (See Fig. 4.2)

Connecting point of drain pipe

Connecting point of refrigerant pipe (liquid side)

Connecting point of refrigerant pipe (gas side)

Front panel

Ground

Ceiling board

>2.5m / 8.2’

88cm / 34.5” (Ceiling hole)

Ceiling

Fig. 4.2

Indoor Unit Installation

Indoor Unit Parts

Drain pump

(within indoor unit)

Drain pipe

Air outlet

Louver

Display panel

Front grille

Air inlet

Refrigerant pipe

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.

• Install the indoor unit at a height of more than 2.5m (8’) above the floor.

• 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 sufficient.

• If the indoor unit is installed on metal, it must be electrically grounded.

 Page 8 

Indoor Unit Installation Instructions

NOTE: Panel installation should be done after

piping and wiring.

Step 1: Select installation location

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

o The unit is at least 1m (39”) from the nearest

wall.

o There is enough room for installation and

maintenance.

o There is enough room for the connecting

pipe and drainpipe.

o The ceiling is horizontal and its structure

can sustain the weight of the indoor unit.

o The air inlet and outlet are not impeded. o The airflow can fill the entire room. o There is no direct radiation from heaters.

CAUTION

DO NOT install the unit in the following

locations:

In areas with oil drilling or fracking

In coastal areas with high salt content in the air

In areas with caustic gases in the air, such

as near hot springs In areas with power fluctuations, such as

factories

In enclosed spaces, such as cabinets

In kitchens that use natural gas

In areas with strong electromagnetic waves

In areas that store flammable materials or

gas

In rooms with high humidity, such as

bathrooms or laundry rooms

RECOMMENDED DISTANCES BETWEEN THE INDOOR UNIT AND THE CEILING

The distance between the mounted indoor unit and the internal ceiling should meet the following specifications. (See Fig. 4.2)

Connecting point of drain pipe

Connecting point of refrigerant pipe (liquid side)

Ceiling

Connecting point of refrigerant pipe (gas side)

Front panel

Ceiling board

88cm / 34.5” (Ceiling hole)

>2.5m / 8.2’

Fig. 4.2

Ground

Table 4.1: Distance from ceiling relative to height of indoor unit

MODEL Length of A (mm/inch) Length of H (mm/inch)

18 205/8 > 235/9.3

24 205/8 > 235/9.3

30 205/8 > 235/9.3

30-48 245/9.6 > 275/10.8

48-60 287/11.3 > 317/12.5

 Page 9 

 Page 11 

Installation

5. Mount the indoor unit. You will need two people to lift and secure it. Insert suspension bolts into the unit’s hanging holes. Fasten them using the included washers and nuts (See Fig. 4.5).

Fig. 4.5

NOTE:

The bottom of the unit should be

10 - 18mm (0.4-0.7”) higher than the ceiling board. Generally, L (indicated in Fig. 4.6) should be half the length of the suspension bolt or long enough to prevent the nuts from coming off.

Fig. 4.6

CAUTION

Ensure that the unit is completely level. Improper installation can cause the drain pipe to back up into the unit or water leakage.

Wall

Ceiling board

Main body

10 - 18mm (0.4-0.7”)

NOTE: Ensure that the indoor unit is level. The

unit is equipped with a built-in drain pump and float switch. If the unit is tilted against the direction of condensate flows (the drainpipe side is raised), the float switch may malfunction and cause water to leak.

Water level

Fig. 4.7

NOTE FOR NEW HOME INSTALLATION

When installing the unit in a new home, the ceiling hooks can be embedded in advance. Make sure that the hooks do not come loose due to concrete shrinkage. After installing the indoor unit, fasten the installation paper template onto the unit with bolts (M6X12) to determine in advance the dimension and position of the opening on the ceiling. Follow the instructions above for the remainder of the installation.

Installation template

M6 x 12 Bolts

Main body

Fig. 4.8

Step 2: Hang indoor unit.

1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 1m (39”) on all sides. The cut hole size should be 4cm(1.6”) larger than the boby size(See Fig. 4.3). Be sure to mark the areas where ceiling hook holes will be drilled.

Refrigerant piping side

Drain hose side

Refrigerant piping side

68cm / 26”

84cm / 33” (Body)

(Suspension bolt)

Drain hose side

84cm / 33”

90cm / 35.4” (Body)

(Suspension bolt)

78cm / 30” (Suspension bolt)

84cm / 33”(Body)

95cm / 37.4”(Ceiling opening)

18-48K ceiling hole size 60K ceiling hole size

>1m / 39”

95cm / 37.4” (Ceiling opening)

84cm / 33” (Suspension bolt)

90cm / 35.4” (Body)

102cm / 40.2” (Ceiling opening)

>1m / 39”

Fig. 4.3

102cm / 40.2” (Ceiling opening)

CAUTION

The unit body should align perfectly with the hole. Ensure that the unit and the hole are the same size before moving on.

2. Drill 4 holes 5cm (2”) deep at the ceiling hook positions in the internal ceiling. Be sure to hold the drill at a 90° angle to the ceiling.

3. Using a hammer, insert the ceiling hooks into the pre-drilled holes. Secure the bolt using the included washers and nuts.

4. Install the four suspension bolts (See Fig. 4.4).

 Page 10 

Fig. 4.4

Installation

5. Mount the indoor unit. You will need two

Water level

people to lift and secure it. Insert suspension bolts into the unit’s hanging holes. Fasten them using the included washers and nuts (See Fig. 4.5).

NOTE: Ensure that the indoor unit is level. The

Fig. 4.7

Fig. 4.5

NOTE:

The bottom of the unit should be

10 - 18mm (0.4-0.7”) higher than the ceiling board. Generally, L (indicated in Fig. 4.6) should be half the length of the suspension bolt or long enough to prevent the nuts from coming off.

Wall

Main body

10 - 18mm (0.4-0.7”)

Ceiling board

Fig. 4.6

CAUTION

NOTE FOR NEW HOME INSTALLATION

Main body

Installation template

M6 x 12 Bolts

Ensure that the unit is completely level. Improper installation can cause the drain pipe to back up into the unit or water leakage.

Fig. 4.8

 Page 11 

 Page 13 

>120cm / 47”

Air Outlet

(Wall or obstacle)

>30cm / 11.8”

Air inlet

(Wall or obstacle)

>30cm / 11.8”

Table 5.1: Length Specications of Split Type

Outdoor Unit (unit: mm/inch)

Table 5.2: Length Specications of Vertical

Discharge Outdoor Unit (unit: mm/inch)

MODEL

DIMENSIONS

W H D

18 633/25 554/21.8554/21.8

24 633/25 554/21.8554/21.8

36 759/29.8 554/21.8554/21.8

36 633/25 600/23.6600/23.6

48 759/29.8 710/28710/28

60 843/33 710/28710/28

Split Type Outdoor Unit

(Refer to Fig 5.4, 5.5, 5.6, 5.10 and Table 5.1)

Vertical Discharge Type Outdoor Unit

(Refer to Fig 5.7, 5.8, 5.9 and Table 5.2)

Fig. 5.7

Fig. 5.8

Fig. 5.9

Fig. 5.6

Fig. 5.5

Fig. 5.4

Outdoor Unit Dimensions

W x H x D

Mounting Dimensions

Distance A Distance B

760x590x285 (29.9x23.2x11.2) 530 (20.85) 290 (11.4)

810x558x310 (31.9x22x12.2) 549 (21.6) 325 (12.8)

845x700x320 (33.27x27.5x12.6) 560 (22) 335 (13.2)

900x860x315 (35.4x33.85x12.4) 590 (23.2) 333 (13.1)

945x810x395 (37.2x31.9x15.55) 640 (25.2) 405 (15.95)

990x965x345 (38.98x38x13.58) 624 (24.58) 366 (14.4)

946x810x420 (37.24x31.9x16.53) 673 (26.5)

403 (15.87)

946x810x410 (37.24x31.9x16.14) 673 (26.5)

403 (15.87)

952x1333x410 (37.5x52.5x16.14) 634 (24.96)

404 (15.9)

952x1333x415 (37.5x52.5x16.34) 634 (24.96)

404 (15.9)

845x702x363 (33.27x27.6x14.3)

540 (21.26)

350 (13.8)

938x1369x392 (36.93x53.9x15.43) 634 (24.96) 404 (15.9)

900x1170x350 (35.4x46x13.8) 590 (23.2) 378 (14.88)

800x554x333 (31.5x21.8x13.1) 514 (20.24) 340 (13.39)

Outdoor Unit Installation

Outdoor Unit Installation Instructions

Step 1: Select installation location.

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

√

o Place the outdoor unit as close to the indoor

unit as possible.

√

o Ensure that there is enough room for

installation and maintenance.

√

o The air inlet and outlet must not be

obstructed or exposed to strong wind.

√

o Ensure the location of the unit will not be

subject to snowdrifts, accumulation of leaves or other seasonal debris. If possible, provide an awning for the unit. Ensure the awning does not obstruct airflow.

√

o The installation area must be dry and well

ventilated.

√

o There must be enough room to install the

connecting pipes and cables and to access them for maintenance.

Strong wind

√

o The area must be free of combustible gases

and chemicals.

√

The pipe length between the outdoor and indoor unit may not exceed the maximum allowable pipe length.

√

o If possible, DO NOT install the unit where it

is exposed to direct sunlight.

√

o If possible, make sure the unit is located far

away from your neighbors’ property so that the noise from the unit will not disturb them.

√

o If the location is exposed to strong winds (for

example: near a seaside), the unit must be placed against the wall to shelter it from the wind. If necessary, use an awning. (See Fig. 5.1 & 5.2)

√

o Install the indoor and outdoor units, cables

and wires at least 1 meter from televisions or radios to prevent static or image distortion. Depending on the radio waves, a 1 meter distance may not be enough to eliminate all interference.

Indoor Unit

Step 2: Install outdoor unit.

Fix the outdoor unit with anchor bolts (M10)

Fig. 5.1

>60cm / 23.6”

Fix with bolts

Fig. 5.3

Fig. 5.2

Strong wind

CAUTION

• Be sure to remove any obstacles that

may block air circulation.

• Make sure you refer to Length

Specifications to ensure there is enough room for installation and maintenance.

 Page 12 

(Wall or obstacle)

Split Type Outdoor Unit

Vertical Discharge Type Outdoor Unit

(Refer to Fig 5.4, 5.5, 5.6, 5.10 and Table 5.1)

Fig. 5.4

Fig. 5.5

(Refer to Fig 5.7, 5.8, 5.9 and Table 5.2)

Air Outlet

>120cm / 47”

Fig. 5.7

Fig. 5.8

Fig. 5.6

Table 5.1: Length Specications of Split Type

Outdoor Unit (unit: mm/inch)

Outdoor Unit Dimensions

W x H x D

760x590x285 (29.9x23.2x11.2) 530 (20.85) 290 (11.4)

810x558x310 (31.9x22x12.2) 549 (21.6) 325 (12.8)

845x700x320 (33.27x27.5x12.6) 560 (22) 335 (13.2)

900x860x315 (35.4x33.85x12.4) 590 (23.2) 333 (13.1)

945x810x395 (37.2x31.9x15.55) 640 (25.2) 405 (15.95)

990x965x345 (38.98x38x13.58) 624 (24.58) 366 (14.4)

938x1369x392 (36.93x53.9x15.43) 634 (24.96) 404 (15.9)

900x1170x350 (35.4x46x13.8) 590 (23.2) 378 (14.88)

800x554x333 (31.5x21.8x13.1) 514 (20.24) 340 (13.39)

845x702x363 (33.27x27.6x14.3)

946x810x420 (37.24x31.9x16.53) 673 (26.5)

946x810x410 (37.24x31.9x16.14) 673 (26.5)

952x1333x410 (37.5x52.5x16.14) 634 (24.96)

952x1333x415 (37.5x52.5x16.34) 634 (24.96)

Mounting Dimensions

Distance A Distance B

540 (21.26)

350 (13.8)

403 (15.87)

404 (15.9)

(Wall or obstacle)

>30cm / 11.8”

Air inlet

>30cm / 11.8”

Air inlet

>30cm / 11.8”

Fig. 5.9

Table 5.2: Length Specications of Vertical

Discharge Outdoor Unit (unit: mm/inch)

DIMENSIONS

MODEL

18 633/25 554/21.8554/21.8

24 633/25 554/21.8554/21.8

36 759/29.8 554/21.8554/21.8

36 633/25 600/23.6600/23.6

48 759/29.8 710/28710/28

60 843/33 710/28710/28

W H D

 Page 13 

NOTE: The minimum distance between the

60 cm / 23.6” on right

outdoor unit and walls described in the installation guide does not apply to airtight rooms. Be sure to keep the unit unobstructed in at least two of the three directions (M, N, P) (See Fig. 5.10)

60 cm / 23.6” above

2. Insert the drain joint into the hole in the base pan of the unit.

3. Rotate the drain joint 90° until it clicks in place facing the front of the unit.

4. Connect a drain hose extension (not included) to the drain joint to redirect water from the unit during heating mode.

If the drain joint doesn’t come with a rubber seal (see Fig. 5.12 - B ), do the following:

30 cm / 11.8” on left

200 cm / 78” in front

30 cm / 11.8” from back wall

Fig. 5.10

Rows of series installation

Table 5.3 The relations between H, A and L are as follows.

L A

L ≤ 1/2H

25 cm / 9.8” or more

L ≤ H

L > H

1/2H < L ≤ H

Can not be installed

30 cm / 11.8” or more

1. Insert the drain joint into the hole in the base

pan of the unit. The drain joint will click in place.

2. Connect a drain hose extension (not included)

to the drain joint to redirect water from the

unit during heating mode.

NOTE: Make sure the water drains to a safe location where it will not cause water damage or a slipping hazard.

Base pan hole of outdoor unit

Seal

25 cm / 9.8”

or more

25 cm / 9.8”

or more

150 cm / 59”

or more

60 cm / 23.6”

or more

300 cm / 118” or more

Fig. 5.11

Drain Joint Installation

If the drain joint comes with a rubber seal (see Fig. 5.12 - A ), do the following:

1. Fit the rubber seal on the end of the drain joint that will connect to the outdoor unit.

Drain joint

(A) (B)

Fig. 5.12

Notes On Drilling Hole In Wall

You must drill a hole in the wall for the

refrigerant piping, and the signal cable that will connect the indoor and outdoor units.

1. Determine the location of the wall hole based on the location of the outdoor unit.

2. Using a 65-mm (2.5”) core drill, drill a hole in the wall.

NOTE: When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components.

3. Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it when you finish the installation process.

 Page 14 

Drainpipe Installation

Ceiling

The drainpipe is used to drain water from the unit. Improper installation may cause unit and property damage.

CAUTION

•

Insulate all piping to prevent condensation, which could lead to water damage.

•

If the drainpipe is bent or installed incorrectly, water may leak and cause a malfunction of the water- level switch.

•

In HEAT mode, the outdoor unit will discharge water. Ensure that the drain hose is placed in an appropriate area to avoid water damage and slippage due to frozen drain water.

•

DO NOT pull the drainpipe forcefully as this could cause it to disconnect.

NOTE ON PURCHASING PIPES

This installation requires a polyethylene tube (outside diameter = 3.7-3.9cm, inside diameter = 3.2cm), which can be obtained at your local hardware store or from your dealer.

Indoor Drainpipe Installation

Install the drainpipe as shown in Figure 6.2.

1. Cover the drainpipe with heat insulation to prevent condensation and leakage.

2. Attach the mouth of the drain hose to the unit’s outlet pipe. Sheath the mouth of the hose and clip it firmly with a pipe clasp. (Fig 6.1)

Drain hose

NOTE ON DRAINPIPE INSTALLATION

• When using an extended drainpipe, tighten

the indoor connection with an additional protection tube to prevent it from pulling loose.

• The drainpipe should slope downward at a

gradient of at least 1/100 to prevent water from flowing back into the air conditioner.

• To prevent the pipe from sagging, space

hanging wires every 1-1.5m (40-59”).

• If the outlet of the drainpipe is higher than

the body’s pump joint, provide a lift pipe for the exhaust outlet of the indoor unit. The lift pipe must be installed no higher than 75cm (29.5”) from the ceiling board and the distance between the unit and the lift pipe must be less than 30cm (11.8”). Incorrect installation could cause water to flow back into the unit and flood.

• To prevent air bubbles, keep the drain hose

level or slightly tiled up (<75mm / 3”).

≤30cm (11.8”)

0 - 75mm

(3”)

1 - 1.5m

(39-59”)

≤53cm (20.8”)

22cm (8.6”)

≤75cm (29.5”)

Drainpipe connecting port

Metal clamp

Fig. 6.1

Fig. 6.2

Insulation

1-1.5m

(39-59”)

Downward slope

1/100

Fig. 6.3

NOTE: When connecting multiple drainpipes,

install the pipes as shown in Fig 6.4.

0-53cm (20.8”)

≥10cm

(4”)

Fig. 6.4

 Page 15 

Using a 65-mm (2.5”) core drill, drill a hole in

 Page 17 

Refrigerant Piping Connection

Safety Precautions

WARNING

• All field piping must be completed by a licensed technician and must comply with

the local and national regulations.

• When the air conditioner is installed in a small room, measures must be taken to

prevent the refrigerant concentration in the room from exceeding the safety limit in the event of refrigerant leakage. If the refrigerant leaks and its concentration exceeds its proper limit, hazards due to lack of oxygen may result.

• When installing the refrigeration system, ensure that air, dust, moisture or foreign

substances do not enter the refrigerant circuit. Contamination in the system may cause poor operating capacity, high pressure in the refrigeration cycle, explosion or injury.

• Ventilate the area immediately if there is refrigerant leakage during the installation.

Leaked refrigerant gas is both toxic and flammable. Ensure there is no refrigerant leakage after completing the installation work.

Notes On Pipe Length and Elevation

Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between the indoor and outdoor units meets the requirements shown in Table 7.1:

Table 7.1: The Maximum Length And Drop

Height Based on Models. (Unit: m/ft.)

Type of model Capacity

(Btu/h)

Length of

piping

Maximum drop

height

North America, Australia and the eu frequency conversion Split Type

<15K 25/82 10/32.8

≥15K - <24K 30/98.4 20/65.6

≥24K - <36K 50/164 25/82

≥36K - ≤60K 65/213 30/98.4

Other Split Type

12K 15/49 8/26

18K-24K 25/82 15/49

30K-36K 30/98.4 20/65.6

42K-60K 50/164 30/98.4

Refrigerant Piping with Twin Indoor Units

When installing multiple indoor units to a single outdoor unit, ensure that the length of the refrigerant pipe and the drop height between the indoor and outdoor units meets the following requirements:

The line branch pipe

Indoor unit

Outdoor unit

Indoor unit

The drop height

between two

indoor units

must be less

than or equal to

50cm (19.6”)

The drop height between indoor

unit and outdoor unit must be less than or equal to 20m

(65.6’)

Fig. 7.1

CAUTION

Fig. 7.2

Please purchase the fittings according to the requirements in the manual strictly. Refer the diagram when installing.(See Fig. 7.2)

Mark the data plate with the Orifice installed(for some models).

Liquid side

Indoor

Outdoor

Liquid side

Indoor

Outdoor

Liquid side

Indoor

Outdoor

3. the wall. Make sure that the hole is drilled at a

slight downward angle, so that the outdoor end of the hole is lower than the indoor end by about 12mm (0.5”). This will ensure proper water drainage (See Fig. 6.5). Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it when you finish the installation process.

Wall

IndoorOutdoor

≈ 12mm / 0.5 inch

NOTE: When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive components.

Fig. 6.5

4. Pass the drain hose through the wall hole. Make sure the water drains to a safe location where it will not cause water damage or a slipping hazard.

NOTE: The drainpipe outlet should be at least 5cm (1.9”) above the ground. If it touches the ground, the unit may become blocked and malfunction. If you discharge the water directly into a sewer, make sure that the drain has a U or S pipe to catch odors that might otherwise come back into the house.

 Page 16 

Refrigerant Piping Connection

Safety Precautions

WARNING

• All field piping must be completed by a licensed technician and must comply with

the local and national regulations.

• When the air conditioner is installed in a small room, measures must be taken to

• When installing the refrigeration system, ensure that air, dust, moisture or foreign

substances do not enter the refrigerant circuit. Contamination in the system may cause poor operating capacity, high pressure in the refrigeration cycle, explosion or injury.

• Ventilate the area immediately if there is refrigerant leakage during the installation.

Leaked refrigerant gas is both toxic and flammable. Ensure there is no refrigerant leakage after completing the installation work.

Refrigerant Piping with Twin Indoor Units

Outdoor unit

Notes On Pipe Length and Elevation

Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between the indoor and outdoor units meets the requirements shown in Table 7.1:

Table 7.1: The Maximum Length And Drop

Height Based on Models. (Unit: m/ft.)

Type of model Capacity

North America, Australia and the eu frequency conversion Split Type

Other Split Type

(Btu/h)

<15K 25/82 10/32.8

≥15K - <24K 30/98.4 20/65.6

≥24K - <36K 50/164 25/82

≥36K - ≤60K 65/213 30/98.4

12K 15/49 8/26

18K-24K 25/82 15/49

30K-36K 30/98.4 20/65.6

42K-60K 50/164 30/98.4

Length of

piping

Maximum drop

height

CAUTION

Mark the data plate with the Orifice installed(for some models).

Please purchase the fittings according to the requirements in the manual strictly. Refer the diagram when installing.(See Fig. 7.2)

Liquid side

Outdoor

Indoor

Liquid side

Outdoor

Indoor

Liquid side

Indoor

Outdoor

Fig. 7.2

The drop height between indoor

unit and outdoor unit must be less than or equal to 20m

(65.6’)

The line branch pipe

Indoor unit

The drop height

between two

indoor units must be less

than or equal to

50cm (19.6”)

Fig. 7.1

 Page 17 

CAUTION

 Page 19 

Table 7.2

Permitted length

Piping length

Total piping length 18K+18K 30/98’ L+Max

(L1, L2)

24K+24K

30K+30K

50/164’

(farthest distance from the line pipe branch)

15/49’ L1, L2

(farthest distance from the line pipe branch)

10/32.8’ L1-L2

Drop height

Drop height between indoor and outdoor unit

20/65.6’ H1

Drop height between two indoor units

0.5/1.6’ H2

Refrigerant Piping Connection Instructions

CAUTION

•

The branching pipe must be installed horizontally. An angle of more than 10° may cause malfunction.

•

DO NOT install the connecting pipe until both indoor and outdoor units have been installed.

•

Insulate both the gas and liquid piping to prevent water leakage.

Step1: Cut pipes

When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure efficient operation and minimize the need for future maintenance.

Measure the distance between the indoor

and outdoor units.

Using a pipe cutter, cut the pipe a little

longer than the measured distance.

CAUTION

DO NOT deform pipe while cutting. Be extra

careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating efficiency of the unit.

1.Make sure that the pipe is cut at a perfect 90° angle. Refer to Fig. 7.5 for examples of bad cuts

Oblique

Rough

Warped

90°

Fig. 7.5

Step 2: Remove burrs.

Burrs can affect the air-tight seal of refrigerant piping connection. They must be completely removed.

1. Hold the pipe at a downward angle to prevent burrs from falling into the pipe.

2. Using a reamer or deburring tool, remove all burrs from the cut section of the pipe.

Pipe

Reamer

Point down

Fig. 7.6

Step 3: Flare pipe ends

Proper flaring is essential to achieve an airtight seal.

1. After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe.

2. Sheath the pipe with insulating material.

3. Place flare nuts on both ends of pipe. Make sure they are facing in the right direction, because you can’t put them on or change their direction after flaring. See Fig. 7.7

Flare nut

Copper pipe

Fig. 7.7

4. Remove PVC tape from ends of pipe when ready to perform flaring work.

5. Clamp flare form on the end of the pipe. The end of the pipe must extend beyond the flare form.

Flare form

Pipe

Fig. 7.8

•

Oil traps

If the indoor unit is installed higher than the outdoor unit:

-If oil flows back into the outdoor unit’s compressor, this might cause liquid compression or deterioration of oil return. Oil traps in the rising gas piping can prevent this.

An oil trap should be installed every 10m (32.8ft) of vertical suction line riser. (See Fig. 7.3)

Fig. 7.3 Fig. 7.4

CAUTION

If the outdoor unit is installed higher than the indoor unit:

-It is recommended that vertical suction risers not be upsized. Proper oil return to the compressor should be maintained with suction gas velocity. If velocities drop below7.62m/s (1500fpm (feet per minute)), oil return will be decreased. An oil trap should be installed every 6m(20ft) of vertical suction line riser. (See Fig. 7.4)

The indoor unit is installed higher than the outdoor unit

 Page 18 

The outdoor unit is installed higher than the indoor unit

Table 7.2

Point down

Permitted length

Piping length

Drop height

Total piping length 18K+18K 30/98’ L+Max

24K+24K

30K+30K

(farthest distance from the line pipe branch)

Drop height between indoor and outdoor unit

Drop height between two indoor units

50/164’

15/49’ L1, L2

10/32.8’ L1-L2

20/65.6’ H1

0.5/1.6’ H2

(L1, L2)

Refrigerant Piping Connection Instructions

CAUTION

•

The branching pipe must be installed horizontally. An angle of more than 10° may cause malfunction.

•

DO NOT install the connecting pipe until both indoor and outdoor units have been installed.

•

Insulate both the gas and liquid piping to prevent water leakage.

Step1: Cut pipes

When preparing refrigerant pipes, take extra care to cut and flare them properly. This will ensure efficient operation and minimize the need for future maintenance.

Measure the distance between the indoor

and outdoor units.

Using a pipe cutter, cut the pipe a little

longer than the measured distance.

Step 2: Remove burrs.

Burrs can affect the air-tight seal of refrigerant piping connection. They must be completely removed.

1. Hold the pipe at a downward angle to prevent burrs from falling into the pipe.

2. Using a reamer or deburring tool, remove all burrs from the cut section of the pipe.

Pipe

Reamer

Fig. 7.6

Step 3: Flare pipe ends

Proper flaring is essential to achieve an airtight seal.

1. After removing burrs from cut pipe, seal the ends with PVC tape to prevent foreign materials from entering the pipe.

2. Sheath the pipe with insulating material.

3. Place flare nuts on both ends of pipe. Make sure they are facing in the right direction, because you can’t put them on or change their direction after flaring. See Fig. 7.7

Flare nut

Copper pipe

1.Make sure that the pipe is cut at a perfect 90°

CAUTION

DO NOT deform pipe while cutting. Be extra

careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating efficiency of the unit.

angle. Refer to Fig. 7.5 for examples of bad cuts

90°

Oblique

Fig. 7.5

Rough

Warped

Fig. 7.7

4. Remove PVC tape from ends of pipe when ready to perform flaring work.

5. Clamp flare form on the end of the pipe. The end of the pipe must extend beyond the flare form.

Flare form

Pipe

Fig. 7.8

 Page 19 

6. Place flaring tool onto the form.

 Page 21 

TAKE NOTE OF FUSE SPECIFICATIONS

The air conditioner’s circuit board(PCB) is designed with a fuse to provide overcurrent protection. The specifications of the fuse are printed on the circuit board, such as: Indoor unit: T3.15A/250VAC, T5A/250VAC. (applicable for unit adopts R32 refrigerant) Outdoor unit: T20A/250VAC(for <24000Btu/h unit), T30A/250VAC(for >24000Btu/h unit)

Wiring

Safety Precautions

WARNING

• Be sure to disconnect the power supply before working on the unit.

• All electrical wiring must be done according to local and national regulations.

• Electrical wiring must be done by a qualified technician. Improper connections may cause electrical malfunction, injury and fire.

• An independent circuit and single outlet must be used for this unit. DO NOT plug another appliance or charger into the same outlet.If the electrical circuit capacity is not enough or there is a defect in the electrical work, it can lead to shock, fire, unit and property damage.

• Connect the power cable to the terminals and fasten it with a clamp. An insecure

connection may cause fire.

• Make sure that all wiring is done correctly and the control board cover is properly installed. Failure to do so can cause overheating at the connection points, fire, and electrical shock.

• Ensure that main supply connection is made through a switch that disconnects all poles, with contact gap of a least 3mm (0.118”).

•

DO NOT modify the length of the power cord or use an extension cord.

CAUTION

• Connect the outdoor wires before connecting the indoor wires.

• Make sure you ground the unit. The grounding wire should be away from gas

pipes, water pipes, lightning rods, telephone or other grounding wires. Improper grounding may cause electrical shock.

•

DO NOT connect the unit with the power source until all wiring and piping is completed.

• Make sure that you do not cross your electrical wiring with your signal wiring, as

this can cause distortion and interference.

Follow these instructions to prevent distortion when the compressor starts:

• The unit must be connected to the main outlet. Normally, the power supply must

have a low output impedance of 32 ohms.

• No other equipment should be connected to the same power circuit.

• The unit’s power information can be found on the rating sticker on the product.

Outdoor Unit Wiring

WARNING

Before performing any electrical or wiring work, turn off the main power to the system.

1. Prepare the cable for connection

a. You must first choose the right cable size

before preparing it for connection. Be sure to use H07RN-F cables.

Table 8.1: Minimum Cross-Sectional Area

of Power and Signal Cables North America

Rated Current of

Appliance (A)

AWG

≤ 7 18

7 - 13 16 13 - 18 14 18 - 25 12 25 - 30 10

NOTE: The fuse is made of ceramic.

7. Turn the handle of the flaring tool clockwise until the pipe is fully flared. Flare the pipe in accordance with the dimensions shown in table 7.3.

Table 7.3: PIPING EXTENSION BEYOND FLARE FORM

Pipe gauge

Ø 6.4

Ø 9.5

Ø 12.7

Ø 15.9

Ø 19.1

Ø 22

Refrigerant Piping

Step 4: Connect pipes

Connect the copper pipes to the indoor unit first, then connect it to the outdoor unit. You should first connect the low-pressure pipe, then the highpressure pipe.

Tightening

torque

18-20N.m

(183-204kgf.cm)

25-26 N.m

(255-265 kgf.cm)

35-36 N.m

(357-367 kgf.cm)

45-47 N.m

(459-480 kgf.cm)

65-67 N.m

(663-683 kgf.cm)

75-85N.m

(765-867 kgf.cm)

8. Remove the flaring tool and flare form, then inspect the end of the pipe for cracks and even flaring.

Flare dimension (A)

(Unit: mm/Inch)

Min. Max .

8.4/0.33 8.7/0.34

13.2/0.52 13.5/0.53

16.2/0.64 16.5/0.65

19.2/0.76 19.7/0.78

23.2/0.91 23.7/0.93

26.4/1.04 26.9/1.06

Flare shape

Fig. 7.9

1. When connecting the flare nuts, apply a thin coat of refrigeration oil to the flared ends of the pipes.

2. Align the center of the two pipes that you will connect.

Indoor unit tubing

3. Tighten the flare nut as tightly as possible by hand.

4. Using a spanner, grip the nut on the unit tubing.

5. While firmly gripping the nut, use a torque wrench to tighten the flare nut according to the torque values in table 7.3.

NOTE: Use both a spanner and a torque wrench when connecting or disconnecting pipes to/from the unit.

Fig. 7.10

Flare nut

Pipe

R0.4~0.8

CAUTION

•

Ensure to wrap insulation around the piping. Direct contact with the bare piping may result in burns or frostbite.

•

Make sure the pipe is properly connected. Over tightening may damage the bell mouth and under tightening may lead to leakage.

NOTE ON MINIMUM BEND RADIUS

Carefully bend the tubing in the middle according to the diagram below. DO NOT bend the tubing more than 90° or more than 3 times.

Bend the pipe with thumb

min-radius 10cm (3.9”)

6. After connecting the copper pipes to the indoor unit, wrap the power cable, signal cable and the piping together with binding tape.

NOTE: DO NOT intertwine signal cable with other wires. While bundling these items together, do not intertwine or cross the signal cable with any other wiring.

7. Thread this pipeline through the wall and connect it to the outdoor unit.

8. Insulate all the piping, including the valves of the outdoor unit.

9. Open the stop valves of the outdoor unit to start the flow of the refrigerant between the indoor and outdoor unit.

CAUTION

Check to make sure there is no refrigerant leak after completing the installation work. If there is a refrigerant leak, ventilate the area immediately and evacuate the system (refer to the Air Evacuation section of this manual).

Fig. 7.11

Fig. 7.12

 Page 20 

Wiring

Safety Precautions

WARNING

• Be sure to disconnect the power supply before working on the unit.

• All electrical wiring must be done according to local and national regulations.

• Electrical wiring must be done by a qualified technician. Improper connections may cause electrical malfunction, injury and fire.

• Connect the power cable to the terminals and fasten it with a clamp. An insecure

connection may cause fire.

• Make sure that all wiring is done correctly and the control board cover is properly installed. Failure to do so can cause overheating at the connection points, fire, and electrical shock.

• Ensure that main supply connection is made through a switch that disconnects all poles, with contact gap of a least 3mm (0.118”).

•

DO NOT modify the length of the power cord or use an extension cord.

Follow these instructions to prevent distortion when the compressor starts:

• The unit must be connected to the main outlet. Normally, the power supply must

have a low output impedance of 32 ohms.

• No other equipment should be connected to the same power circuit.

• The unit’s power information can be found on the rating sticker on the product.

TAKE NOTE OF FUSE SPECIFICATIONS

NOTE: The fuse is made of ceramic.

Outdoor Unit Wiring

WARNING

Before performing any electrical or wiring work, turn off the main power to the system.

CAUTION

• Connect the outdoor wires before connecting the indoor wires.

• Make sure you ground the unit. The grounding wire should be away from gas

pipes, water pipes, lightning rods, telephone or other grounding wires. Improper grounding may cause electrical shock.

•

DO NOT connect the unit with the power source until all wiring and piping is completed.

• Make sure that you do not cross your electrical wiring with your signal wiring, as

this can cause distortion and interference.

1. Prepare the cable for connection

a. You must first choose the right cable size

before preparing it for connection. Be sure to use H07RN-F cables.

Table 8.1: Minimum Cross-Sectional Area

of Power and Signal Cables North America

Rated Current of

Appliance (A)

≤ 7 18

7 - 13 16 13 - 18 14 18 - 25 12 25 - 30 10

AWG

 Page 21 

Wire outlet

Table 8.2: Other Regions

 Page 23 

Power Specications

NOTE: Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A.

Indoor Power Supply Specications

MODEL

(Btu/h)

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

POWER

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

208-240V 208-240V 208-240V 208-240V 208-240V

CIRCUIT BREAKER/

FUSE(A)

25/20 32/25 50/40 70/55 70/60

MODEL

(Btu/h)

≤36K 37K~60K ≤36K 37K~60K

POWER

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

380-420V 380-420V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35

MODEL

(Btu/h)

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

POWER

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

208-240V 208-240V 208-240V 208-240V 208-240V

CIRCUIT BREAKER/

FUSE(A)

25/20 32/25 50/40 70/55 70/60

MODEL

(Btu/h)

≤36K 37K~60K ≤36K 37K~60K

POWER

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

380-420V 380-420V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35

Outdoor Power Supply Specications

CAUTION

• While connecting the wires, please strictly follow the wiring diagram.

• The refrigerant circuit can become very hot. Keep the interconnection cable away from

the copper tube.

5. Clamp down cable with the designated cable clamp to secure it in place. The cable should not be loose, and should not pull on the u-lugs.

6. Reinstall the electric box cover and the front panel of the indoor unit.

Rated Current of

Appliance (A)

≤ 6 0.75

6 - 10 1 10 - 16 1.5 16 - 25 2.5

25- 32 4

Nominal Cross-Sectional

Area (mm²)

32 - 45 6

b. Using wire strippers, strip the rubber jacket

from both ends of signal cable to reveal about 15cm (5.9”) of the wires inside.

Strip the insulation from the ends of the wires.

Indoor Unit Wiring

1. Prepare the cable for connection a. Using wire strippers, strip the rubber jacket

from both ends of signal cable to reveal about 15cm (5.9”) of the wires inside.

Strip the insulation from the ends of the wires.

c. Using wire crimper, crimp the u-lugs to the

ends of the wires.

2. Open the front panel of the indoor unit. Using a screwdriver, remove the cover of the electric control box on your indoor unit.

3. Thread the power cable and the signal cable through the wire outlet.

Control box

d. Using a wire crimper, crimp u-lugs on the

ends of the wires.

NOTE: While connecting the wires, please strictly follow the wiring diagram (found inside the electrical box cover).

2. Remove the electric cover of the outdoor unit. If there is no cover on the outdoor unit, disassemble the bolts from the maintenance board and remove the protection board. (See Fig. 8.1, 8.2)

Cover

Screw

Fig. 8.1

Protection Board

Fig. 8.3

4. Connect the u-lugs to the terminals. Match the wire colors/labels with the labels on

the terminal block, and firmly screw the u-lug of each wire to its corresponding terminal. Refer to the Serial Number and Wiring Diagram located on the cover of the electric control box.

Control box

Wiring diagram

Connective wiring diagram

Fig. 8.4

3. Connect the u-lugs to the terminals Match the wire colors/labels with the labels on the terminal block, and firmly screw the u-lug

Fig. 8.2

of each wire to its corresponding terminal.

4. Clamp down the cable with designated cable clamp.

Insulate unused wires with electrical tape. Keep them away from any electrical or metal parts.

6. Reinstall the cover of the electric control box.

 Page 22 

Magnetic ring

(if supplied and packed with the accessories)

1 2 3

Pass the belt through the hole of the Magnetic ring to fix it on the cable

Fig. 8.5

CAUTION

• While connecting the wires, please strictly follow the wiring diagram.

• The refrigerant circuit can become very hot. Keep the interconnection cable away from

the copper tube.

5. Clamp down cable with the designated cable clamp to secure it in place. The cable should not be loose, and should not pull on the u-lugs.

6. Reinstall the electric box cover and the front panel of the indoor unit.

Power Specications

NOTE: Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A.

Indoor Power Supply Specications

MODEL

(Btu/h)

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

POWER

VOLT

CIRCUIT BREAKER/

FUSE(A)

MODEL

(Btu/h)

208-240V 208-240V 208-240V 208-240V 208-240V

25/20 32/25 50/40 70/55 70/60

≤36K 37K~60K ≤36K 37K~60K

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

POWER

VOLT

380-420V 380-420V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35

Outdoor Power Supply Specications

MODEL

(Btu/h)

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

POWER

VOLT

CIRCUIT BREAKER/

FUSE(A)

208-240V 208-240V 208-240V 208-240V 208-240V

25/20 32/25 50/40 70/55 70/60

MODEL

(Btu/h)

≤36K 37K~60K ≤36K 37K~60K

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

POWER

VOLT

380-420V 380-420V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35

 Page 23 

Independent Power Supply Specications

 Page 25 

Air Evacuation

Safety Precautions

CAUTION

• Use a vacuum pump with a gauge reading lower than -0.1MPa and an air discharge capacity

above 40L/min.

• The outdoor unit does not need vacuuming. DO NOT open the outdoor unit’s gas and

liquid stop valves.

• Ensure that the Compound Meter reads

-0.1MPa or below after 2 hours. If after three hours of operation and the gauge reading is still above -0.1MPa, check if there is a gas leak or water inside the pipe. If there is no leakage, perform another evacuation for 1 or 2 hours.

• DO NOT use refrigerant gas to evacuate the

system.

Evacuation Instructions

Before using manifold gauge and vacuum pump, read their operation manuals to familiarize yourself with how to use them properly.

Manifold Gauge

Compound gauge

-76cmHg

Low pressure valve

High pressure valve

Charge hose

Vacuum pump

Pressure gauge

Low pressure valve

Fig. 9.1

1. Connect the charge hose of the manifold gauge to service port on the outdoor unit’s low pressure valve.

2. Connect another charge hose from the manifold gauge to the vacuum pump.

3. Open the Low Pressure side of the manifold gauge.Keep the High Pressure side closed.

4. Turn on the vacuum pump to evacuate the system.

5. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-1x105Pa).

6. Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump.

7. Wait for 5 minutes, then check that there has been no change in system pressure.

NOTE: If there is no change in system pressure, unscrew the cap from the packed valve (high pressure valve). If there is a change in system pressure, there may be a gas leak.

8. Insert hexagonal wrench into the packed valve (high pressure valve) and open the valve by turning the wrench in a 1/4 counterclockwise turn. Listen for gas to exit the system, then close the valve after 5 seconds.

Flare nut

Cap

Valve body

Valve stem

Fig. 9.2

9. Watch the Pressure Gauge for one minute to make sure that there is no change in pressure. The Pressure Gauge should read slightly higher than atmospheric pressure.

10.Remove the charge hose from the service port.

11.Using hexagonal wrench, fully open both the high pressure and low pressure valves.

OPEN VALVE STEMS GENTLY

When opening valve stems, turn the hexagonal wrench until it hits against the stopper. DO NOT try to force the valve to open further.

12.Tighten valve caps by hand, then tighten it using the proper tool.

MODEL

POWER

(indoor)

CIRCUIT BREAKER/

POWER

(outdoor)

CIRCUIT BREAKER/

(Btu/h)

FUSE(A)

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

208-240V 208-240V 208-240V208-240V 208-240V

15/10 15/10 15/10 15/10 15/10

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

208-240V 208-240V 208-240V

25/20 32/25 50/40 70/55 70/60

MODEL

POWER

(indoor)

(Btu/h)

≤36K 37K~60K ≤36K 37K~60K

PHASE 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

208-240V 208-240V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 15/10 15/10 15/10 15/10

POWER

(outdoor)

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 45/35

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

VOLT

380-420V 380-420V 208-240V 208-240V

Inverter Type A/C Power Specications

MODEL

POWER (indoor)

CIRCUIT BREAKER/

POWER

(outdoor)

CIRCUIT BREAKER/

MODEL

POWER (indoor)

(Btu/h)

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

FUSE(A)

PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

FUSE(A)

(Btu/h)

PHASE 1 Phase 1 Phase 1 Phase 1 Phase

VOLT

220-240V 220-240V 220-240V220-240V 220-240V

208-240V 208-240V 208-240V

≤18K 19K~24K 25K~36K 37K~48K 49K~60K

15/10 15/10 15/10 15/10 15/10

25/20 25/20 40/30 50/40 50/40

≤36K 37K~60K ≤36K 37K~60K

220-240V 220-240V 220-240V 220-240V

CIRCUIT BREAKER/FUSE(A) 15/10 15/10 15/10 15/10

POWER

(outdoor)

PHASE 3 Phase 3 Phase 3 Phase 3 Phase

VOLT

380-420V 380-420V 208-240V 208-240V

CIRCUIT BREAKER/FUSE(A) 25/20 32/25 32/25 40/30

208-240V

 Page 24 

Air Evacuation

Valve body

Safety Precautions

CAUTION

• Use a vacuum pump with a gauge reading lower than -0.1MPa and an air discharge capacity

above 40L/min.

• The outdoor unit does not need vacuuming. DO NOT open the outdoor unit’s gas and

liquid stop valves.

• Ensure that the Compound Meter reads

• DO NOT use refrigerant gas to evacuate the

system.

Evacuation Instructions

4. Turn on the vacuum pump to evacuate the system.

5. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-1x105Pa).

6. Close the Low Pressure side of the manifold gauge, and turn off the vacuum pump.

7. Wait for 5 minutes, then check that there has been no change in system pressure.

NOTE: If there is no change in system pressure, unscrew the cap from the packed valve (high pressure valve). If there is a change in system pressure, there may be a gas leak.

Flare nut

Before using manifold gauge and vacuum pump, read their operation manuals to familiarize yourself with how to use them properly.

Manifold Gauge

Compound gauge

-76cmHg

Low pressure valve

Charge hose

Low pressure valve

Pressure gauge

High pressure valve

Charge hose

Vacuum pump

Fig. 9.1

1. Connect the charge hose of the manifold gauge to service port on the outdoor unit’s low pressure valve.

2. Connect another charge hose from the manifold gauge to the vacuum pump.

3. Open the Low Pressure side of the manifold gauge.Keep the High Pressure side closed.

Cap

Valve stem

Fig. 9.2

9. Watch the Pressure Gauge for one minute to make sure that there is no change in pressure. The Pressure Gauge should read slightly higher than atmospheric pressure.

10.Remove the charge hose from the service port.

11.Using hexagonal wrench, fully open both the high pressure and low pressure valves.

OPEN VALVE STEMS GENTLY

When opening valve stems, turn the hexagonal wrench until it hits against the stopper. DO NOT try to force the valve to open further.

12.Tighten valve caps by hand, then tighten it using the proper tool.

 Page 25 

Note On Adding Refrigerant

 Page 27 

CAUTION

DO NOT place the panel facedown on the floor,

against a wall, or on uneven surfaces.

Step 1: Remove the front grille.

1. Push both of the tabs towards the middle simultaneously to unlock the hook on the grille.

2. Hold the grille at a 45° angle, lift it up slightly and detach it from the main body.

Fig. 10.1

Step 2: Remove the installation covers at the four corners by sliding them outwards.

Fig. 10.2

Step 3: Install the panel

Align the front panel to the main body, taking into account the position of the piping and drain sides. Hang the four latches of the decorative panel to the hooks of the indoor unit. Tighten the panel hook screws evenly at the four corners. (See Fig 10.3)

NOTE: Tighten the screws until the thickness of the sponge between the main body and the panel reduces to 4-6mm (0.2-0.3”). The edge of the panel should be in contact with the ceiling well.

Adjust the panel by turning it to the arrowed direction shown in Fig 10.3 so that the ceiling opening is completely covered.

Piping side

Drain side

Latch

Screwdriver

1. Connect the two louver motor connectors to the corresponding wires in the control box.

Connect the louver motor

Control box

Connect the louver motor

Fig. 10.4

Fig. 10.3

Panel Installation

CAUTION

• Refrigerant charging must be performed after wiring, vacuuming and the leak test.

• DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system.

Doing so can damage or impact the unit’s function.

• Charging with unsuitable substances may cause explosions or accidents. Ensure that the appropriate refrigerant is used.

• Refrigerant containers must be opened slowly. Always use protective gear when charging the

system.

• DO NOT mix refrigerants types.

• For the R290 or R32 refrigerant model, make sure the condtions within the area have been

made safe by control of flammable material when the refrigerant added into air conditioner.

• The maximum refrigerant charge amount of R32 is 305 grams.

Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is

7.5m (25’) In other areas, the standard pipe length is 5m (16‘). The additional refrigerant to be charged can be calculated using the following formula:

Liquid Side Diameter

φ6.35(1/4”) φ9.52(3/8”) φ12.7(1/2”)

R22 (orice tube in the indoor unit):

R22 (orice tube in the outdoor unit):

(Total pipe length standard pipe length)x 30g (0.32oZ)/m(ft)

(Total pipe length standard pipe length) x15g(0.16oZ)/m(ft)

R410A: (orice tube in the indoor unit):

R410A: (orice tube in the outdoor unit):

R32 :

(Total pipe length standard pipe length) x30g(0.32oZ)/m(ft)

(Total pipe length standard pipe length) x15g(0.16oZ)/m(ft)

(Total pipe length standard pipe length)x 12g(0.13oZ)/m(ft)

(Total pipe length standard pipe length)x 65g(0.69oZ)/m(ft)

(Total pipe length standard pipe length) x30(0.32oZ)/m(ft)

(Total pipe length standard pipe length) x65g(0.69oZ)/m(ft)

(Total pipe length standard pipe length)x 115g(1.23oZ)/m(ft)

(Total pipe length - standard pipe length) x60g(0.64oZ)/m(ft)

(Total pipe length standard pipe length) x115g(1.23oZ)/m(ft)

(Total pipe length standard pipe length) x30g(0.32oZ)/m(ft)

(Total pipe length standard pipe length)x 24g(0.26oZ)/m(ft)

(Total pipe length - standard pipe length) x65g(0.69oZ)/m(ft)

(Total pipe length standard pipe length)x 40g(0.42oZ)/m(ft)

 Page 26 

Latch

Control box

Panel Installation

CAUTION

DO NOT place the panel facedown on the floor,

against a wall, or on uneven surfaces.

Step 1: Remove the front grille.

1. Push both of the tabs towards the middle

2. Hold the grille at a 45° angle, lift it up

simultaneously to unlock the hook on the grille.

slightly and detach it from the main body.

Step 3: Install the panel

NOTE: Tighten the screws until the thickness of the sponge between the main body and the panel reduces to 4-6mm (0.2-0.3”). The edge of the panel should be in contact with the ceiling well.

Adjust the panel by turning it to the arrowed direction shown in Fig 10.3 so that the ceiling opening is completely covered.

Piping side

Fig. 10.1

Step 2: Remove the installation covers at the four corners by sliding them outwards.

Drain side

Screwdriver

Fig. 10.3

1. Connect the two louver motor connectors to the corresponding wires in the control box.

Fig. 10.2

Connect the louver motor

Fig. 10.4

 Page 27 

2. Remove foam stops from inside the fan.

Control box

 Page 29 

Before Test Run

A test run must be performed after the entire system has been completely installed. Confirm the following points before performing the test:

a) The indoor and outdoor units are properly

installed.

b) Piping and wiring are properly connected. c) Ensure that there are no obstacles near the

inlet and outlet of the unit that might cause poor performance or product malfunction.

d) The refrigeration system does not leak. e) The drainage system is unimpeded and

draining to a safe location.

f) The heating insulation is properly installed.

The grounding wires are properly connected.

g) h) The length of the piping and the added

refrigerant stow capacity have been recorded.

i) The power voltage is the correct voltage

for the air conditioner.

CAUTION

Failure to perform the test run may result in unit damage, property damage or personal injury.

Test Run Instructions

1. Open both the liquid and gas stop valves.

2. Turn on the main power switch and allow the unit to warm up.

3. Set the air conditioner to COOL mode.

4. For the Indoor Unit a. Ensure the remote control and its buttons

work properly.

b. Ensure the louvers move properly and can

be changed using the remote control.

c. Double check to see if the room

temperature is being registered correctly.

d. Ensure the indicators on the remote

control and the display panel on the indoor unit work properly.

e. Ensure the manual buttons on the indoor

unit works properly.

f. Check to see that the drainage system is

unimpeded and draining smoothly.

g. Ensure there is no vibration or abnormal

noise during operation.

5. For the Outdoor Unit a. Check to see if the refrigeration system is

leaking.

b. Make sure there is no vibration or

abnormal noise during operation.

c. Ensure the wind, noise, and water

generated by the unit do not disturb your neighbors or pose a safety hazard.

6. Drainage Test a. Ensure the drainpipe flows smoothly. New

buildings should perform this test before finishing the ceiling.

b. Remove the test cover. Add 2,000ml of

water to the tank through the attached tube.

c. Turn on the main power switch and run

the air conditioner in COOL mode.

d. Listen to the sound of the drain pump to

see if it makes any unusual noises.

e. Check to see that the water is discharged.

It may take up to one minute before the unit begins to drain depending on the drainpipe.

f. Make sure that there are no leaks in any of

the piping.

g. Stop the air conditioner. Turn off the main

power switch and reinstall the test cover.

NOTE: If the unit malfunctions or does not operate according to your expectations, please refer to the Troubleshooting section of the Owner’s Manual before calling customer service.

Test Run

3. Attach the side of the front grille to the panel.

4. Connect the display panel cable to the corresponding wire on the main body.

5. Close the front grille.

6. Fasten the installation covers at all four corners by pushing them inwards. (See Fig.10.6)

CAUTION

Failure to tighten screws can cause water leakage.

Fig. 10.5

CAUTION

If the unit is not hung correctly and a gap exists, the unit’s height must be adjusted to ensure proper function. The unit’s height can be adjusted by loosening the upper nut, and adjusting the lower nut.

Gap not allowed

NOTE: If the height of the indoor unit needs to be adjusted, you can do so through the openings at the panel’s four corners. Make sure that the internal wiring and drainpipe are not affected by this adjustment.

Water condensation

Fig. 10.8

Fig. 10.6

Fig. 10.7

Loosen upper nut

Adjust lower nut

 Page 28 

Test Run

Before Test Run

A test run must be performed after the entire system has been completely installed. Confirm the following points before performing the test:

a) The indoor and outdoor units are properly

installed.

b) Piping and wiring are properly connected. c) Ensure that there are no obstacles near the

inlet and outlet of the unit that might cause poor performance or product malfunction.

d) The refrigeration system does not leak. e) The drainage system is unimpeded and

draining to a safe location.

f) The heating insulation is properly installed.

The grounding wires are properly connected.

g) h) The length of the piping and the added

refrigerant stow capacity have been recorded.

i) The power voltage is the correct voltage

for the air conditioner.

CAUTION

Failure to perform the test run may result in unit damage, property damage or personal injury.

Test Run Instructions

1. Open both the liquid and gas stop valves.

2. Turn on the main power switch and allow the unit to warm up.

3. Set the air conditioner to COOL mode.

4. For the Indoor Unit a. Ensure the remote control and its buttons

work properly.

b. Ensure the louvers move properly and can

be changed using the remote control.

c. Double check to see if the room

temperature is being registered correctly.

d. Ensure the indicators on the remote

control and the display panel on the indoor unit work properly.

e. Ensure the manual buttons on the indoor

unit works properly.

f. Check to see that the drainage system is

unimpeded and draining smoothly.

g. Ensure there is no vibration or abnormal

noise during operation.

5. For the Outdoor Unit a. Check to see if the refrigeration system is

leaking.

b. Make sure there is no vibration or

abnormal noise during operation.

c. Ensure the wind, noise, and water

generated by the unit do not disturb your neighbors or pose a safety hazard.

6. Drainage Test a. Ensure the drainpipe flows smoothly. New

buildings should perform this test before finishing the ceiling.

b. Remove the test cover. Add 2,000ml of

water to the tank through the attached tube.

c. Turn on the main power switch and run

the air conditioner in COOL mode.

d. Listen to the sound of the drain pump to

see if it makes any unusual noises.

e. Check to see that the water is discharged.

It may take up to one minute before the unit begins to drain depending on the drainpipe.

f. Make sure that there are no leaks in any of

the piping.

g. Stop the air conditioner. Turn off the main

power switch and reinstall the test cover.

NOTE: If the unit malfunctions or does not operate according to your expectations, please refer to the Troubleshooting section of the Owner’s Manual before calling customer service.

 Page 29 

 Page 31 

1. Checks to the area

3. General work area

4. Checking for presence of refrigerant

5. Presence of re extinguisher

If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry power or CO2 fire extinguisher adjacent to the charging area.

7. Ventilated area

Ensure that the area is in the open or that it it adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.

8. Checks to the refrigeration equipment

Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer s maintenance and service guidelines shall be followed. If in doubt consult the manufacturer s technical department for assistance. The following checks shall be applied to installations using flammable refrigerants:

6. No ignition sources

No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during which flammable refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. NO SMOKING signs shall be displayed.

2. Work procedure

All mintenance staff and others working in the local area shall be instructed on the nature of work being carried out. work in confined sapces shall be avoided. The area around the work space shall be sectioned off. Ensure that the conditions within the area have been made safe by control of flammable material.

Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.

Works shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour being present while the work is being performed.

The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. no sparking, adequately sealed or intrinsically safe.

Information Servicing

(Required for the units adopt R32/R290 Refrigerant only)

European Disposal Guidelines

Users in European Countries may be required to properly dispose of this unit. This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. unsorted municipal waste.

When disposing of this appliance, you have the following options:

• Dispose of the appliance at designated municipal electronic waste collection facility.

• When buying a new appliance, the retailer will take back the old appliance free of charge.

• The manufacturer will also take back the old appliance free of charge.

• Sell the appliance to certified scrap metal dealers.

NOTE: Disposing of this appliance in the forest or other natural surroundings endangers your health and is bad for the environment. Hazardous substances may leak into the ground water and enter the food chain.

DO NOT

dispose of this product as household waste or

The company may not be held responsible for any misprinted information. The design and the

specications of the product for reasons, such as product improvement, are subject to change without any prior notice. Please consult with the manufacturer or with the Sales agency for further details. Any future updates to the manual will be uploaded to the service website, and it is advised to always check for the latest version.

The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details.

 Page 30 

+ 114 hidden pages

INVENTOR V5MCI32-18WiFiR, V5MCI32-36WiFiR, V5MCI32-60WiFiR, V5MCI32-24WiFiR, V5MCI32-50WiFiR Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual