Tosot U-match Series User manual

Owner's Manual
Original Instructions
Air Conditioners
DC Inverter U-match Series for R410A Unitary
Split Air Conditioner
Models:
Outdoor Unit
TU36-24WADU
TU60-24WADU

To Users
Thank you for selecting TOSOT’s 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) This product has gone through strict inspection and operational test before
leaving the factory. In order to avoid damage due to improper disassembly
and inspection, which may impact the normal operation of unit, please do
not disassemble the unit by yourself. You can contact with the special
maintenance center of our company if necessary.
(5) When the product is faulted and cannot be operated, please contact with
our maintenance center as soon as possible by providing the following
information.
1) Contents of nameplate of product (model, cooling/heating capacity,
product No, ex-factory date).
2) Malfunction status (specify the situations before and after the error
occurs).
(6) 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. We have the right to make necessary revision

to the product from time to time due to the reason of sales or production,
and reserve the right to revise the contents without further notice.
(7) 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.
(8) Gree Electric Appliances Inc.of Zhuhai assumes no responsibility for
personal injury, property loss or equipment damage caused by improper
installation and commissioning, unnecessary maintenance, or not following
relevant national rules and regulations, industrial standards and
requirements in this instruction manual.
(9) The final right to interpret for this instruction manual belongs to Gree
Electric Appliances Inc. of Zhuhai.

Contents
1 Safety Precautions ............................................................ 1
2 Product Introduction ......................................................... 5
2.1 Operating Range....................................................................5
2.2 Standard Accessories.............................................................5
2.3 Optional Accessories..............................................................5
3 Installation.......................................................................... 5
3.1 Installation Preparation ..........................................................5
3.2 Unit Installation ....................................................................11
3.3 Electrical Installation ............................................................18
3.4 Check after Installation.........................................................23
3.5 Test Running ........................................................................24
4 Maintenance ..................................................................... 25
4.1 Failures Not Caused by Faults of The AC ............................25
4.2 Error Code ...........................................................................27
4.3 Unit Maintenance .................................................................28
4.4 Notice on Maintenance ........................................................29
4.5 After-Sales Services.............................................................34
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 promote 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 for R410A Unitary Split Air Conditioner
1
1 Safety Precautions
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 above special places, please adopt special air
conditioner with anti-corrosive or anti-explosion function.
Improper installation, adjustment, alteration, service, maintenance, or use can
cause explosion, fire, electrical shock, or other conditions which may cause death,
personal injury, or property damage. Consult a qualified installer, service agency, or
your distributor or branch for information or assistance. The qualified installer or
agency must use factory--authorized kits or accessories when modifying this
product. Refer to the individual instructions packaged with the kits or accessories
when installing. Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. Consult local building codes and
National Electrical Code (NEC) for special requirements. Recognize safety
information. This is the safety--alert symbol .
When you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury. Understand these signal words: DANGER,
WARNING, CAUTION and NOTICE. These words are used with the safety--alert
symbol.
Indicates a hazardous situation that, if not avoided, will result in
death or serious injury.
Indicates a hazardous situation that, if not avoided, could result
in death or serious injury.
Indicates a hazardous situation that, if not avoided, may result
in minor or moderate injury.
Indicates important but not hazard-related information, used to
indicate risk of property damage.

DC Inverter U-match Series for R410A Unitary Split Air Conditioner
2
Electrical shock hazard:
Failure to follow this warning could result in personal injury or death.
Before installing, modifying, or servicing system, main electrical disconnect
switch must be in the OFF position. There may be more than 1 disconnect switch.
Lock out and tag switch with a suitable warning label.
(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.
(1) Please instal
l 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
accordance with an industry recognised assessment specification.
(3) Servicing shall only be performed as recommended by the equipment
manufacturer.
(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.
(7) If the installation space for air conditioner pipe is too small, adopt a protective
measure to prevent the pipe from physical damage.

DC Inverter U-match Series for R410A Unitary Split Air Conditioner
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(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 o
nly 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.
(1) Do not put a finger or other objects into the air inlet or return air 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.

DC Inverter U-match Series for R410A Unitary Split Air Conditioner
4
(6) Never install the air conditioner in the following places:
a) Places with oil smoke or volatile liquid: plastic parts may deteriorate and fall
off or even cause water leakage.
b)
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.
(1) If thermostat is to be used, it should be connected first before powering up the
unit, otherwise the thermostat may not be able to use.
(2) Only use soft dry cloth or slightly wet cloth with neutral detergent to clean the
casing of the air conditioner.
(3) 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 for R410A Unitary Split Air Conditioner
5
2 Product Introduction
2.1 Operating Range
—
Cooling
Heating
Outdoor
temperature
5°F(-15°C)~129.2°F (54°C) -22°F (-30°C)~75.2°F (24°C)
2.2 Standard Accessories
Outdoor unit accessories
No.
Name
Appearance
Q'ty
Usage
1 Drain plug 3 To plug the unused drain
hole
2 Drainage
connecter
or 1 To connect with the hard
PVC drain pipe
2.3 Optional Accessories
Outdoor unit accessories
No.
Name
Appearance
Q'ty
Usage
1 Throw-over
pipe
1
Connect the
unit with the
liquid pipe
2 Throw-over
pipe
1
Connect the
unit with the
gas pipe
3 Installation
3.1 Installation Preparation
3.1.1 Selection of Installation Location
①
.
The unit must be installed where strong enough to withstand the weight of the
unit and fixed securely, otherwise the unit would topple or fall off.
②.Install the air conditioner at a place where the inclination is less than 5°.
③.Do not install the unit at a place with direct sunlight.
④
.
Do not install where there is the danger of combustible gas leakage.
⑤.Do not install the unit at a place with leakage of inflammable gas.

DC Inverter U-match Series for R410A Unitary Split Air Conditioner
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Selection of installation location for outdoor unit (Select a location pursuant to
the following condition).
(1) Noise and air flow produced by the outdoor unit will not disturb the neighbors.
(2) Select a location that is safe and away from animals and plants. If not, please
add safety fences to protect the unit.
(3) Install at a place with good ventilation. Make sure the outdoor unit stays at a
well-ventilated place with no obstacles nearby that may obstruct the air inlet
and outlet.
(4) The installation location should be able to withstand the weight and vibration of
outdoor unit and allow the installation to be carried out safely.
(5) Avoid installing at a place with leakage of inflammable gas, oil smoke or
corrosive gas.
(6) Keep it away from strong wind because strong wind will affect the outdoor fan
and lead to insufficient air flow volume and thus affecting the unit’s
performance.
(7) Away from any object that may get the air conditioner generating noise.
(8) Install the outdoor unit at a place where condensate can be easily drained.
3.1.2 Unit Dimension
TU36-24WADU