Tosot FTS-12R2 User manual

Owner's Manual

Original Instructions

Air Conditioners

DC Inverter U-match Series Floor Ceiling Type Unit

Models:

Indoor Unit

Outdoor Unit

UTS-12R2

UTS-18R2

UTS-24R2

FTS-12R2

FTS-18R2

FTS-24R2

To Users

Thank you for selecting TOSOT product. Please read this instruction manual

carefully before installing and using the product, so as to master and correctly use

the product. In order to guide you to correctly install and use our product and

achieve expected operating effect, we hereby instruct as below:

(1) 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.

(2) In order to ensure reliability of product, the product may consume some

power under stand-by status for maintaining normal communication of

system and preheating refrigerant and lubricant. If the product is not to be

used for long, cut off the power supply; please energize and preheat the

unit in advance before reusing it.

(3) Please properly select the model according to actual using environment,

otherwise it may impact the using convenience.

(4) If the product needs to be installed, moved or maintained, please contact

our designated dealer or local service center for professional support.

Users should not disassemble or maintain the unit by themselves,

otherwise it may cause relative damage, and our company will bear no

responsibilities.

(5) All the illustrations and information in the instruction manual are only for

reference. In order to make the product better, we will continuously

conduct improvement and innovation. If there is adjustment in the product,

please subject to actual product.

(6) If the supply cord is damaged, it must be replaced by the manufacturer, its

service agent or similarly qualified persons in order to avoid a hazard.

Exception Clauses

Manufacturer will bear no responsibilities when personal injury or property loss

is caused by the following reasons:

(1) Damage the product due to improper use or misuse of the product.

(2) Alter, change, maintain or use the product with other equipment without

abiding by the instruction manual of manufacturer.

(3) After verification, the defect of product is directly caused by corrosive gas.

(4) After verification, defects are due to improper operation during

transportation of product.

(5) Operate, repair, maintain the unit without abiding by instruction manual or

related regulations.

(6) After verification, the problem or dispute is caused by the quality

specification or performance of parts and components that produced by

other manufacturers.

(7) The damage is caused by natural calamities, bad using environment or

force majeure.

Contents

1 Safety Notices (Please be sure to abide them) ............... 1

2 Installation.......................................................................... 5

2.1 Installation Preparation ..........................................................5

2.2 Unit Installation ....................................................................15

2.3 Electrical Installation ............................................................31

2.4 Check after Installation.........................................................42

2.5 Product Operating Range ....................................................43

2.6 Test Running ........................................................................43

3 Product Introduction ....................................................... 45

3.1 Overall Layout......................................................................45

3.2 Standard Accessories...........................................................46

4 Installation of Controller ................................................. 46

5 Maintenance ..................................................................... 47

5.1 Failures Not Caused by Faults of the AC..............................47

5.2 Error Code ...........................................................................49

5.3 Unit Maintenance .................................................................52

5.4 Notice on Maintenance ........................................................55

5.5 After-Sales Services.............................................................62

This marking indicates that this product should not be disposed with

other household wastes throughout the EU. To prevent possible harm to

the environment or human health from uncontrolled waste disposal,

recycle it responsibly to pro

mote the sustainable reuse of material

resources. To return your used device, please use the return and

collection systems or contact the retailer where the product was

purchased. They can take this product for environmental safe recycling.

DC Inverter U-match Series Floor Ceiling Type Unit

1 Safety Notices (Please be sure to abide them)

SPECIAL WARNING:

(1) Be sure to comply with national gas regulations.

(2) Do not pierce or burn.

(3) Do not use means to accelerate the defrosting process or to clean, other

than those recommended by the manufacturer.

(4) Be aware that refrigerants may not contain an odor.

(5) Appliance shall be installed, operated and stored in a room with a floor

area larger than"X"m² ("X" see section 2.1.1).

(6) 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).

PROHIBITED: This sign indicates that the items must be prohibited.

Improper operation may cause severe damage or death to people.

WARNING: If not abide them strictly, it may cause severe damage to the

unit or the people.

NOTE: If not abide them strictly, it may cause slight or medium damage to

the unit or the people.

OBSERVED: This sign indicates that the items must be observed.

Improper operation may cause damage to people or property.

WARNING:

This product can’t be installed at corrosive, inflammable or explosive environment

or the place with special requirements, such as kitchen. Otherwise, it will affect the

normal operation or shorten the service life of the unit, or even cause fire hazard or

serious injury. As for the above special places, please adopt special air conditioner

with anti-corrosive or anti-explosion function.

Please read this operating manual carefully before operating the unit.

The air conditioner is charged with inflammable refrigerant R32 (GWP: 675).

Before using the air conditioner, please read the instruction manual.

DC Inverter U-match Series Floor Ceiling Type Unit

Before installing the air conditioner, please read the instruction manual.

Before repairing the air conditioner, please read the instruction manual.

The figures in this manual may be different with the material objects, please

refer to the material objects for reference.

PROHIBITED!

(1) The air conditioner should be grounded to avoid electric shock. Do not connect

the ground wire to gas pipe, water pipe, lightning arrester or telephone wire.

(2) The appliance shall be stored in a well-ventilated area where the room size

corresponds to the room area as specified for operation.

(3) The 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).

(4)

According to federal/state/local laws and regulations, all packages and

transportation materials, including nails, metal or wooden parts, and plastic

packing material, must be treated in a safe way.

WARNING!

(1)

Please install according to this instruction manual. Installation must be

performed in accordance with the requirement of NEC and CEC by authorized

personnel only.

(2) 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 accordanc

e with an industry recognised assessment

specification.

(3)

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.

(4) The appliance shall be installed in accordance with national wiring regulations.

(5) The fixed wires connecting to the appliance must be configured with all-pole

disconnection device under voltage grade III according to wiring rules.

(6) Air conditioner should be stored with protective measures against mechanical

damage caused by accident.

DC Inverter U-match Series Floor Ceiling Type Unit

WARNING!

(7)

If the installation space for air conditioner pipe is too small, adopt a protective

measure to prevent the pipe from physical damage.

(8)

During installation, use the specialized accessories and components,

otherwise water leakage, electric shock or fire hazard may occur.

(9) Please install the air conditioner in a secure place that can withstand the

weight of air conditioner. Insecure installation may cause the air conditioner

falling down and lead to injury.

(10) Be sure to adopt independent power circuit. If the power cord is damaged, it

must be repaired by the manufacturer, service agent or other professional

agents.

(11)

The air conditioner can be cleaned only after it is turned off and

power-disconnected, otherwise electric shock may occur.

(12) The air conditioner is not intended to be cleaned or maintained by children

without supervision.

(13) Do not alter the setting of pressure sensor or other protective devices. If the

protective devices are short-circuited or changed against rules, fire hazard or

even explosion may occur.

(14) Do not operate the air conditioner with wet hands. Do not wash or sprinkle

water on the air conditioner, otherwise malfunction or electric shock will occur.

(15) Do not dry the filter with naked flame or an air blower; otherwise the filter will

be out of shape.

(16) If the unit is to be installed in a small space, please adopt protective measures

to prevent the concentration of refrigerant from exceeding the allowable safety

limit; Excessive refrigerant leakage may lead to explosion.

(17) When installing or re-installing the air conditioner, please keep the refrigerant

circuit away from substances other than the specified refrigerant, such as air.

Any presence of foreign substances will cause abnormal pressure change or

even explosion, resulting in injury.

(18) Only professionals are allowed to carry on daily maintenance.

(19) Before contacting any wire, make sure power is cut off.

(20) Do not let any inflammable objects near the unit.

(21) Do not use organic solvent to clean the air conditioner.

(22) If you need to replace a component, please ask a professional to repair with a

component supplied by the original manufacturer so as to ensure the unit’s

quality.

(23) Improper operation may get the unit broken, hit by electric shock or cause fire.

(24) Do not make the air conditioner wet or electric shock may be lead, ensure that

the air conditioner will not be cleaned by water rinsing under any

circumstance.

DC Inverter U-match Series Floor Ceiling Type Unit

NOTES!

(1) Do not put a finger or other objects into the air inlet or air return grill.

(2) Please adopt safety protection measures before touching the refrigerant pipe,

otherwise your hands may be hurt.

(3) Please arrange the drain pipe according to the instruction manual.

(4) Never stop the air conditioner by directly cutting off the power.

(5) Please select the proper copper pipe according to the requirement for pipe

thickness.

(6) Indoor unit can only be installed indoors while outdoor unit can be installed

either indoors or outdoors. Never install the air conditioner in the following

places:

1) Places with oil smoke or volatile liquid: plastic parts may deteriorate and

fall off or even cause water leakage.

2) Places with corrosive gas: copper pipe or the welding parts may be

corroded and cause refrigerant leakage.

(7) Adopt proper measures to protect the outdoor unit from small animals because

they may damage the electric components and cause malfunction of the air

conditioner.

OBSERVED!

(1) If wired controller is to be used, it should be connected first before powering up

the unit, otherwise the wired controller may not be able to use.

(2) When installing the indoor unit, keep it away from television, wireless waves,

and fluorescent.

(3) Only use soft dry cloth or slightly wet cloth with neutral detergent to clean the

casing of the air conditioner.

(4) Before operating the unit under low temperature, connect it to power for 8

hours. If it is stopped for a short time, for example, one night, do not cut off the

power (This is to protect the compressor).

DC Inverter U-match Series Floor Ceiling Type Unit

2 Installation

2.1 Installation Preparation

2.1.1 Notice on Installation

(1) Notice on Refrigerant Concentration before Installation.

This air conditioner uses R32 refrigerant. The construction area for installation,

operation and storage of the air conditioner must be larger than the minimum

construction area. The minimum area for installation is determined by:

1) Refrigerant charging quantity for the entire system (ex-factory

charging quantity + additional charging quantity).

2) Checking out in the applicable tables:

A. For indoor unit, confirm the model of indoor unit and check the

corresponding table.

B. For outdoor unit that is installed or placed indoors, select the

corresponding table according to the height of the room.

Height of the room Select the applicable table

<1.8m

Floor standing type

≥1.8m

Wall mounted type

3) Refer to the following table to check out the minimum construction

area.

Ceiling type

Wall mounted type

Floor standing type

Weight

(kg)

Area

(m²)

Weight

(kg)

Area

(m²)

Weight

(kg)

Area

(m²)

<1.224

—

<1.224

—

<1.224

—

1.224

0.956

1.224

1.43

1.224

12.9

1.4 1.25 1.4 1.87 1.4 16.8

1.6

1.63

1.6

2.44

1.6

22.0

1.8

2.07

1.8

3.09

1.8

27.8

2.0

2.55

2.0

3.81

2.0

34.3

2.2

3.09

2.2

4.61

2.2

41.5

2.4

3.68

2.4

5.49

2.4

49.4

2.6

4.31

2.6

6.44

2.6

58.0

2.8

5.00

2.8

7.47

2.8

67.3

3.0

5.74

3.0

8.58

3.0

77.2

DC Inverter U-match Series Floor Ceiling Type Unit

Ceiling type

Wall mounted type

Floor standing type

Weight

(kg)

Area

(m²)

Weight

(kg)

Area

(m²)

Weight

(kg)

Area

(m²)

3.2 6.54 3.2 9.76 3.2 87.9

3.4

7.38

3.4

11.0

3.4

99.2

3.6

8.27

3.6

12.4

3.6

111

3.8

9.22

3.8

13.8

3.8

124

4.0

10.2

4.0

15.3

4.0

137

4.2

11.3

4.2

16.8

4.2

151

4.4

12.4

4.4

18.5

4.4

166

4.6

13.5

4.6

20.2

4.6

182

4.8

14.7

4.8

22.0

4.8

198

5.0

16.0

5.0

23.8

5.0

215

5.2

17.3

5.2

25.8

5.2

232

5.4

18.6

5.4

27.8

5.4

250

5.6

20.0

5.6

29.9

5.6

269

5.8

21.5

5.8

32.1

5.8

289

6.0

23.0

6.0

34.3

6.0

309

6.2

24.5

6.2

36.6

6.2

330

6.4

26.1

6.4

39.1

6.4

351

6.6 27.8 6.6 41.5 6.6 374

6.8

29.5

6.8

44.1

6.8

397

7.0

31.3

7.0

46.7

7.0

420

7.2

33.1

7.2

49.4

7.2

445

7.4

34.9

7.4

52.2

7.4

470

7.6

36.9

7.6

55.1

7.6

496

7.8

38.8

7.8

58.0

7.8

522

8.0

40.8

8.0

61.0

8.0

549

(2) When installing an outdoor unit with single or double fans, hold the handle

and then lift it up slowly (Do not touch the condenser with your hand or

other objects). If you hold only one side of the casing, the casing may be

pulled out of shape, so please hold the base of the unit as well. During

installation, be sure to use the components specified in the instruction

manual.

(3) Please use the charging machine specialized for R32 refrigerant before

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