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Thank you for choosing Gree air conditioners, please read this installation & owner's manual
carefully before operation and keep it for future reference.
GREE reserves the right to change this contents of this manual without notice due to product
improvement or modification.
GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
SUPER+ MULTI ULTRA Series
R410A Systems―Outdoor Unit
Installation & Owner's Manual
Gree Air Conditioners
MULTIU48HP230V1BO
GWHD(48S)HD3DO
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Summary of Contents for Gree SUPER+MULTI ULTRA Series
- Page 1 Thank you for choosing Gree air conditioners, please read this installation & owner’s manual carefully before operation and keep it for future reference. GREE reserves the right to change this contents of this manual without notice due to product improvement or modification.
- Page 3 This product must not be disposed together with the domestic waste. This product has to be disposed at an appointed place for recycling of electrical and electronic appliances. Thank you for purchasing GREE air conditioners. Before using, please read this manual carefully and keep it properly for further reference.
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Page 5: Table Of Contents
Contents 1 Safety Precautions ........................1 2 Attention for Installation ......................3 2.1 Precautions for R410A ....................3 2.2 Precaution for Installation ..................... 3 2.3 Precaution for Operation Test..................3 2.4 Accessories ........................3 3 Product Introduction ......................... 4 3.1 Names of Main Parts ..................... - Page 6 12 Troubleshooting ........................24 12.1 Check before Contacting Service Center ..............24 12.2 Problem Handling ....................... 25 12.3 Error Description ......................25 13 Maintenance ..........................28 13.1 Outdoor Condenser ..................... 28 13.2 Drain Pipe ........................28 13.3 Check before the Seasonal Use ................... 28 13.4 ...
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Page 7: Safety Precautions
Super Free Match Series 1 Safety Precautions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the WARNING death or serious injury of the user. - Page 8 37) Gree Electric Appliances, Inc. of Zhuhai is not responsible for any personal injury or property loss caused by improper installation, improper debugging, unnecessary repair or not following the instructions of this...
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Page 9: Attention For Installation
Super Free Match Series 2 Attention for Installation 2.1 Precautions for R410A It is very strict that the refrigerant pipes should be clean and dry. The R410A is a mixed refrigerant, when add the refrigerant to the unit, it must keep the refrigerant in its liquid state. -
Page 10: Product Introduction
Super Free Match Series 3 Product Introduction The Gree Super Free Match System adopts inverter compressor technology. According to change displacement of compressor, stepless capacity regulation within range of 15%～100% can be realized. Various product lineups are provided with capacity 48000Btu/h, which can be widely used in residential house, business office, hotel and where especially applicable to the place with variable load change. -
Page 11: Parts And Components Of Unit
Super Free Match Series 3.3 Parts and Components of Unit For the super free match series, one outdoor unit is able to drive up to three BU modules and nine indoor units which include cassette type, duct type, wall mounted type, floor ceiling type and console type. -
Page 12: Selection Of Installation Location And Precautions
Super Free Match Series 4 Selection of Installation Location and Precautions WARNING The installation of the air conditioner must be in accordance with the national and local laws and regulations. The quality of the installation will affect the capability of air conditioner directly. The installation should be left to a licensed HVAC technician. -
Page 13: Outline Dimension Of Outdoor Unit
Super Free Match Series 4.2 Outline Dimension of Outdoor Unit Fig. 3 (unit: mm/inch) 4.3 Installation and Servicing Space In case of installing only one unit In case obstacles exist around the unit, the required installation space is in the Fig. 4. In case of installing multiple units(2 units or more) In case multiple rows of series installation, the required installation space is in the Fig. -
Page 14: Installation Instruction
Super Free Match Series 5 Installation Instruction Check the installation location and ensure it is strength and level, so that the unit will not cause any operating vibration or noise after installation. In accordance with the foundation drawing in the following figure, please drill 4 holes in the installation location. -
Page 15: Installation Of Refrigerant Pipes
Super Free Match Series 6 Installation of Refrigerant Pipes 6.1 Allowable Length and Drop Height of Connecting Pipe Fig. 8 (8 indoor units) Table 3 s t r Total length between outdoor unit and BU L1+L2+L3+L4+L5 ≤55(181) modules Total length MULTIU48HP230V1BO Maximum 1A+1B+1C+2A+2B+2C+... -
Page 16: Dimension Of Connecting Pipe
Super Free Match Series Dimension of Connecting Pipe Table 4 Gas Pipe Liquid Pipe Sorts （mm/inch） （mm/inch） Outdoor unit MULTIU48HP230V1BO Φ15.9(5/8) Φ9.52(3/8) Between outdoor unit and the The pipe L1 Φ19.05(3/4) Φ9.52(3/8) 1st branch Between the 1st and the 2nd The pipe L2 Φ15.9(5/8) Φ9.52(3/8) -
Page 17: Connection Of Refrigerant Pipes
Super Free Match Series 6.4 Connection of Refrigerant Pipes CAUTION Conform to the following principles during pipe connection: Outdoor unit shall be installed close to the indoor unit, hence to minimize the length and bends of connection pipes; the height gap of outdoor unit and indoor units should be as small as possible;... -
Page 18: Connection Of Refrigerant Pipe
Super Free Match Series wrench should be perpendicular to the refrigerant pipeline). ④ The following table for the torque required to tighten the nuts. Table 5 Pipe Thickness of Tightening diameter copper torque (mm/inch) tube(mm/inch) (N·m/1bf·ft) 15～30(11~22) Φ6.35(1/4) ≥0.8(1/32) 35～40(26~29) Φ9.52(3/8) ≥0.8(1/32) 45～50(33~37) -
Page 19: Leak Test
Super Free Match Series ① ② ③ ④ Name Coping plate Rear side plate Front side plate Gas side stop valve ⑤ ⑥ ⑦ Name Liquid side stop valve Right connection board Front connection board Fig. 15 Unscrew the coping plate, front side plate, right connection board and front connection board. The refrigerant pipes can be installed in four directions, please choose the proper direction. -
Page 20: Refrigerant Charging
Super Free Match Series one hour under the condition. 1: Outdoor unit 2: Liquid side stop valve 3: Gas side stop valve 4: Pressure-vacuum gauge 5: Hi-knob 6: Lo-knob 7: Vacuum pump Fig. 17 Turn off the knobs firstly and then the pump, and if the pressure of the pressure-vacuum gauge does not rise within 2 hours, the system is under a vacuum. - Page 21 Super Free Match Series Table 6 Serial No. Model Indoor unit 1 Cassette type GKH(12)BA-D3DNA2A/I Indoor unit 2 Duct type GFH(09)EA-D3DNA1A/I Indoor unit 3 Wall mounted type GWH09UB-D3DNA1A/I Indoor unit 4 Wall mounted type GWH09MB-D3DNA3D/I Indoor unit 5 Duct type GFH(09)EA-D3DNA1A/I Indoor unit 6 Wall mounted type...
- Page 22 Super Free Match Series Outdoor Liquid side stop Gas side stop Pressure-vacuum Name Service port unit valve valve gauge Name Hi-knob Lo-knob R410A tank Scale Fig. 19 When the liquid and gas stop valves have not been opened, the system is under the vacuum: ①...
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Page 23: Electrical Wiring Work
Super Free Match Series 7 Electrical Wiring Work 7.1 Wiring Connection NOTICE! The “L1”, “3” terminals are connected to the live wire, the “L2”,”N(1)” terminals are connected to the neutral wire and the ”2” terminal is connected to the transmission line. Fig. -
Page 24: Ground Requirements
Super Free Match Series The specifications of the power cable listed in the table above are applied to the conduit-guarded multi-wire copper cable (like, YJV copper cable, consisting of PE insulated wires and a PVC cable jacket) used at 40℃(104℉) and resistible to 90℃(194℉), and shall be at least those of ordinary polychloroprene sheathed cords. -
Page 25: Precaution Of Laying Wires
Super Free Match Series 7.5 Precaution of Laying Wires Use a wire stripper to strip off a length of the insulation layer at the end of the wires; Loosen the screws on the terminal block of the air conditioner; Press the ends of the cable tightly onto the round terminals corresponding to the size of the screws. -
Page 26: Design Of Drainage Pipeline
Super Free Match Series 8 Design of Drainage Pipeline 8.1 Installation of Drain Hose Choose one drain hole in the bottom of the outdoor unit. Connect the drain hose to the drain hole. The drain hose should be kept at 5~10 degrees of gradient to facilitate discharge of the condensing water. -
Page 27: Installation Of Protective Layer
Super Free Match Series 9 Installation of Protective Layer The refrigerant pipes should be insulated by the heat insulation material and plastic tape in order to prevent water condensation and leakage. Do not use the foam on the branch pipe as the material for heat insulation, heat insulation material of branches should be the same as that of the pipeline. -
Page 28: 10 Test Operation
Super Free Match Series 10 Test Operation 10.1 Check after Installation Table 10 Items to be checked Possible malfunction Has it been fixed reliable? The unit may drop, vibrate or make noise. Has the gas leakage been checked? It may cause insufficient cooling(heating) capacity. Is the thermal insulation of the unit sufficient? It may cause condensation and dripping. -
Page 29: 11 Testing Board Introduction
Super Free Match Series 11 Testing Board Introduction 11.1 Compose of the Testing Board The testing board is in front of electrical box and can be observed well. It has several following advantages: detect indoor unit numbers and indoor unit address, displays real running function and error code automatically. - Page 30 Super Free Match Series 12 Troubleshooting WARNING In the event of abnormal conditions (like, stinky smell), please shut off the power supply immediately and then contact the appointed service center; otherwise, the abnormal running would damage the air conditioner and also would cause electric shock or fire hazard . Do not repair the air conditioning personally but instead contact the professionally skilled personnel at the appointed service center, as the incorrect repair would cause electric shock or fire hazard etc.
- Page 31 Super Free Match Series 12.2 Problem Handling The conditions listed below are not classified into errors. When restart the unit soon after The overload protection switch of the unit let The unit does it is stopped the startup delayed for three minutes not run The unit will stand by for approximate one As soon as power supply is on...
- Page 32 Super Free Match Series Memory card error Flash 16 times Compressor demagnetizing Flash 17 times protection Compressor desynchronizing Flash 18 times Compressor phase lack Flash 19 times Compressor phase circuit detection Flash 20 times error Compressor power protection Flash 21 times Compressor discharge temperature Flash 23 times protection...
- Page 33 Super Free Match Series Indoor unit 6 is connected Flash 10 times Indoor unit 7 is connected Flash 11 times Indoor unit 8 is connected Flash 12 times Indoor unit 9 is connected Flash 13 times Indoor unit anti-freeze protection Indoor temperature sensor error Indoor evaporator midway temperature sensor error...
- Page 34 ① The installation and test operation of the unit should be operated by professional personnel from appointed service center. ② Only Gree manufactured accessories can be used on the machine. ③ All the instructions listed in this manual should be followed.
- Page 36 CAT NO: GREE_MULTIU_INSTALL & OWNERS_48MBH_03112020 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com...
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