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Summary of Contents for Kinghome KD24UHO
- Page 1 Owner's Manual Original Instructions Air Conditioners DC Inverter U-match Series for R410A Unitary Split Air Conditioner Models: Outdoor Unit KD24UHO KD30UHO KD36UHO KD42UHO KD48UHO KD60UHO...
- Page 2 To Users Thank you for selecting Gree 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 is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience...
- Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: Damage the product due to improper use or misuse of the product. Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer.
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Page 4: Table Of Contents
Contents 1 Safety Precautions ............1 2 Product Introduction ............4 2.1 Operating Range ..............4 2.2 Standard Accessories .............4 2.3 Optional Accessories..............5 3 Installation ................5 3.1 Installation Preparation ............5 3.2 Unit Installation ..............9 3.3 Electrical Installation ............17 3.4 Check after Installation ............22 3.5 Test Running ................ -
Page 5: Safety Precautions
DC Inverter U-match Series for R410A Unitary Split Air Conditioner 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. - Page 6 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 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.
- Page 7 DC Inverter U-match Series for R410A Unitary Split Air Conditioner (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.
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Page 8: Product Introduction
DC Inverter U-match Series for R410A Unitary Split 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. -
Page 9: Optional Accessories
DC Inverter U-match Series for R410A Unitary Split Air Conditioner 2.3 Optional Accessories Outdoor unit accessories Name Appearance Q'ty Usage Connect the Throw-over unit with the pipe liquid pipe Connect the Throw-over unit with the pipe gas pipe 3 Installation 3.1 Installation Preparation 3.1.1 Selection of Installation Location The unit must be installed where strong enough to withstand the weight of the... - Page 10 (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 Unit: inch(mm) Dimensions Model 15-13/16 25-7/8 22-7/16 14-9/16 13-3/8 KD24UHO (889) (402) (658) (570) (370) (340) KD30UHO 36-5/16 16-13/16 29-3/8...
- Page 11 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 1) When one outdoor unit is to be installed. (mm) — ≥100 A,B,C, — ≥300 ≥100 ≥100 — ≥100 ≥1000 A,B,C,E — ≥300 ≥150 ≥150 ≥1000 — ≥1000 — ≥1000 ≥1000 ＜...
- Page 12 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 2) When two or more outdoor units are to be installed side by side. Unit: mm (mm) A,B,C — ≥300 ≥300 ≥1000 A,B,C,E — ≥300 ≥300 ≥1000 ≥1000 — ≥2000 —...
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Page 13: Unit Installation
DC Inverter U-match Series for R410A Unitary Split Air Conditioner 3) When outdoor units are installed in rows. Unit: mm (mm) ≤ 1/2H b ≥ 250 1/2H ＜ H ≤ H b ≥ 300 ＞ H Prohibited 3.2 Unit Installation (1) The outdoor unit does not have a TXV (thermal expansion valve), please make sure there is a throttling valve (which throttles the unit when it operates in cooling mode and opens fully when it operates in heating mode) in the indoor... - Page 14 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 3.2.1 Outdoor Unit Installation If the outdoor unit is installed on a solid ground such as concrete, use M10 screw bolts and nuts to secure the unit and make sure the unit stands erect and level.
- Page 15 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Do not install the air conditioner in a corrosive environment, otherwise it may shorten the life, or negatively affect the performance of the unit. Installation requirements in snowy areas: a) Install the air conditioner on a stand which more than 20 in.(500mm) higher than the expected snow fall to prevent it from being covered by snow.
- Page 16 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Maximum Biggest drop between Size of fitting pipe(inch) Item pipe indoor and outdoor Model length units Liquid pipe Gas pipe feet(m) feet(m) KD24UHO Φ3/8 Φ3/4 98.4(30) 49.2(15) KD30UHO KD36UHO KD42UHO Φ3/8 Φ3/4 164(50) 98.4(30) KD48UHO KD60UHO Connection pipe should adopt water-proof insulating material.
- Page 17 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Do not bend the pipes in an angle more than 90°. If the pipe is repeatedly bent or extended, it will become hard and difficult to be bent or extended. So do not bend or extend the pipe for more than 3 times.
- Page 18 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 3.2.2.4.1 Screw Connection Pipe diameter (inch) Tightening torque (N·m) Ф1/4 15-30 Ф3/8 35-40 Ф1/2 45-50 Ф5/8 60-65 Ф3/4 70-75 Ф7/8 80-85 3.2.3 Connection Pipe Vacuum Pumping and Leak Detection 3.2.3.1 Vacuum Pumping ①...
- Page 19 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Model Time(min) KD24UHO KD30UHO KD36UHO KD42UHO KD48UHO KD60UHO And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -0.1MPa, if not, it indicates there is leak somewhere. Then, close the switch fully and then stop the vacuum pump.
- Page 20 3.2.4 Refrigerant Adding See the following table for the amount of additional refrigerant. Unnecessary Item Standard pipe Additional refrigerant charge pipe Model length amount for extra pipe length KD24UHO 7.5m ≤9.5m 10g/m KD30UHO KD36UHO KD42UHO 7.5m ≤9.5m 30g/m KD48UHO KD60UHO 3.2.5 Installation of Drain Pipe...
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Page 21: Electrical Installation
DC Inverter U-match Series for R410A Unitary Split Air Conditioner If the outdoor unit is above the indoor unit, arrange the pipeline according to the following diagram. 1) Wind the insulating tape from bottom to top. 2) The whole pipeline should be wound together to avoid water returning to the room. - Page 22 This outdoor unit has a heating four-way valve. ⑪. 3.3.2 Electrical Parameters Maximum Fuse Minimum Power over-current Model capacity circuit ampacity supply protection 208/230V- 19.5 KD24UHO 1Ph-60Hz 208/230V- 20.5 KD30UHO 1Ph-60Hz 208/230V- KD36UHO 1Ph-60Hz 208/230V- 26.5 KD42UHO 1Ph-60Hz 208/230V- 36.5...
- Page 23 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 3.3.3 Connection of Power Cords and Thermostat Wires For solid wires (as shown below): 1) Use wire cutters to cut off the wire end and then peel away about 25mm of the insulation layer.
- Page 24 Wrong wire connection may burn the electrical components. ②. Connect the wires firmly to the wiring box. Incomplete installation may lead to ③. fire hazard. Ground wire should be connected. ④. Electrical wiring of outdoor units KD24UHO KD30UHO KD36UHO KD42UHO KD48UHO KD60UHO...
- Page 25 DC Inverter U-match Series for R410A Unitary Split Air Conditioner NOTE: Y means Compressor control signal; B which is energized under the heating mode means 4-way valve control signal; D means defrosting signal; R means 24V AC power supply; C means 24V common. NOTE: When outdoor defrosts, D of outdoor unit will send 24V signal to avoid cold winds.
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Page 26: Check After Installation
DC Inverter U-match Series for R410A Unitary Split Air Conditioner 3.4 Check after Installation Check Items after Installation Possible events due to improper Check items installation The unit may fall down, vibrate or Is the main body installed securely? produce noise. Cooling capacity may become Did you do water leakage test? unsatisfactory. -
Page 27: Maintenance
DC Inverter U-match Series for R410A Unitary Split Air Conditioner If the outside temperature is more than 30°C, heating mode can’t be enabled. Before test operation, make sure unit is power on and compressor has been preheated for more than 8 hours. Touch the unit to check whether it’s normally preheated. - Page 28 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Problem Cause Corrective measure Clear the obstacles and keep Air inlet and outlet of the the room for the units well units have been blocked. ventilated. Improper temperature setting Reset a proper temperature. Fan speed is too low.
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Page 29: Error Code
DC Inverter U-match Series for R410A Unitary Split Air Conditioner Problem Time of occurrence Cause When the system is just When the unit is turned on, it started, the refrigerant is not purrs. stable. About 30s later, the purr of the unit becomes low. About 20s after the unit first It’s the sound of 4-way valve enables the heating mode or... - Page 30 DC Inverter U-match Series for R410A Unitary Split Air Conditioner Do not repair the air conditioner by yourself. Improper maintenance will cause ②. electric shock or fire hazard. Please contact Gree’s authorized service center and send for professional service staff to repair. If the LED displayer on mainboard of outdoor unit displays an error code, please refer to the error code meaning stated in the following table.
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Page 31: Unit Maintenance
DC Inverter U-match Series for R410A Unitary Split Air Conditioner Error code Error Driver module temperature protection Module temperature sensor circuit failure Drive memory chip error Capacitor charging failure Input AC voltage error Drive board ambient temperature sensor error AC contractor protection Temperature drift protection Sensor connection protection Outdoor fan IPM module protection... -
Page 32: Notice On Maintenance
DC Inverter U-match Series for R410A Unitary Split Air Conditioner 4.3.1 Heat Exchanger of Outdoor Unit Conduct cleaning for the heat exchanger of outdoor unit periodically, clean it once at least in every two months. Clean the dust and sundries on the surface of the heat exchanger with dust collector and nylon brush, if there’s compressed air source;... - Page 33 DC Inverter U-match Series for R410A Unitary Split Air Conditioner 4.4.1.1 General Work Area All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out. Work in confined spaces shall be avoided. The area around the workspace shall be sectioned off.
- Page 34 DC Inverter U-match Series for R410A Unitary Split Air Conditioner compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised.
- Page 35 DC Inverter U-match Series for R410A Unitary Split Air Conditioner permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere. The test apparatus shall be at the correct rating.
- Page 36 DC Inverter U-match Series for R410A Unitary Split Air Conditioner the task is commenced: Become familiar with the equipment and its operation. Isolate system electrically. Before attempting the procedure ensure that: 1) Mechanical handling equipment is available, if required, for handling refrigerant cylinders.
- Page 37 DC Inverter U-match Series for R410A Unitary Split Air Conditioner refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge are available. All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant (i.e. special cylinders for the recovery of refrigerant).
- Page 38 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070...
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How to set thermostat for KD24UHO
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