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Thank you for choosing Gree air conditioners, please read this owner's manual carefully before
operation and keep it for future reference.
GREE reserves the right to interpret this manual which will be subject to any change due to
product improvement without further notice.
GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
Super Free Match Series
R410A Systems—BU module
Owner's Manual
Gree Air Conditioners
FXA2A-D
FXA3A-D
FXA2B-D
FXA3B-D
FXB5A-D
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Table of Contents
Related Manuals for Gree FXA2A-D
Summary of Contents for Gree FXA2A-D
- Page 1 Thank you for choosing Gree air conditioners, please read this owner’s manual carefully before operation and keep it for future reference. GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
- Page 2 This product must not be disposed together with the domestic waste. This product has to be disposed at an authorized 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 3: Table Of Contents
Installation of Refrigerant Pipes ....................12 Allowable Length and Drop Height of Connecting Pipe ..........12 Installation of Piping Adapter (FXA2A-D; FXA3A-D and FXB5A-D) ......12 Installation of Piping Adapter (FXA2B-D and FXA3B-D) ..........13 Precaution for Connection ....................15 Electrical Wiring Work ....................... -
Page 5: Safety Precautions
BU Module 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 6 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 7: Product Introduction
BU Module 2 Product Introduction The BU module of Gree Super Free Match Series is the latest branch device, which adopts the intelligent control technology. Respond to the changes in load of the indoor units, it can coordinate the flow rate of the refrigerant well. Otherwise, it is very compact and has a flexible choice about the installation location, such as the ceiling of parlor, corridor, balcony, storeroom and etc. -
Page 8: Combinations For Outdoor And Indoor Units
BU Module 2.2 Combinations for Outdoor and Indoor Units Table 1 FXB5A-D Sorts FXA2A-D and FXA2B-D FXA3A-D and FXA3B-D No. of connectable indoor units 2.3 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 9: Selection Of Installation Location And Precautions
BU Module 3 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 the appointed service center. -
Page 10: Outline Dimension And Servicing Space Of Fxa2A-D
BU Module 3.2 Outline Dimension and Servicing Space of FXA2A-D Outline dimension Fig. 3 (mm) Table 3 Indoor unit side (mm/inch) Sorts Outdoor unit side (mm/inch) Port A Port B Liquid pipe Φ6.35(1/4) Φ6.35(1/4) Φ9.52(3/8) Gas pipe Φ9.52(3/8) Φ9.52(3/8) Φ15.9(5/8) -
Page 11: Outline Dimension And Servicing Space Of Fxa3A-D
BU Module 3.3 Outline Dimension and Servicing Space of FXA3A-D Outline dimension Fig. 5 (mm) Table 4 Indoor unit side (mm/inch) Outdoor unit side Sorts (mm/inch) Port A Port B Port C Liquid pipe Φ6.35(1/4) Φ6.35(1/4) Φ6.35(1/4) Φ9.52(3/8) Gas liquid Φ9.52(3/8) Φ9.52(3/8) Φ9.52(3/8) -
Page 12: Outline Dimension And Servicing Space Of Fxa2B-D
BU Module 3.4 Outline Dimension and Servicing Space of FXA2B-D Outline dimension Fig. 7 (mm) Table 5 Indoor unit side (mm/inch) Sorts Outdoor unit side (mm/inch) Port A Port B Liquid pipe Φ6.5(1/4) Φ6.5(1/4) Φ9.7(3/8) Gas pipe Φ16.3(5/8) Φ16.3(5/8) Φ16.3(5/8) Installation and service space ①... -
Page 13: Outline Dimension And Servicing Space Of Fxa3B-D
BU Module 3.5 Outline Dimension and Servicing Space of FXA3B-D Outline dimension Fig. 9 (mm) Table 6 Indoor unit side (mm/inch) Outdoor unit side Sorts (mm/inch) Port A Port B Port C Liquid pipe Φ6.5(1/4) Φ6.5(1/4) Φ6.5(1/4) Φ9.7(3/8) Gas liquid Φ16.3(5/8) Φ16.3(5/8) Φ16.3(5/8) -
Page 14: Outline Dimension And Servicing Space Of Fxb5A-D
BU Module 3.6 Outline Dimension and Servicing Space of FXB5A-D Outline dimension Fig. 11 (mm) Table 7 Sorts Indoor unit side (mm/inch) Outdoor unit side (mm/inch) Liquid pipe Φ6.35(1/4) Φ9.52(3/8) Gas pipe Φ9.52(3/8) Φ15.9(5/8) Installation and service space ① ②... -
Page 15: Installation Instruction
BU Module 4 Installation Instruction Check the installation location and ensure it is strength and level. Otherwise, there should be enough space to install drainage pipe, so that the condensed water can be discharged. Reference to the size of hanger metal and drill 4 holes in the installation location. Hang the hanger bolts. -
Page 16: Installation Of Refrigerant Pipes
BU module should be placed within the level between the outdoor unit and indoor unit. 5.2 Installation of Piping Adapter (FXA2A-D; FXA3A-D and FXB5A-D) If the piping connection size of BU module does not match with that of the outdoor unit and... -
Page 17: Installation Of Piping Adapter (Fxa2B-D And Fxa3B-D)
BU Module Install the optional piping adapters to the BU module, so that the piping connection size of BU module can match with that of the outdoor unit and indoor units. Piping adapter(Optional accessories) Table 9 Port A Port B Name (mm/inch) (mm/inch) - Page 18 BU Module Fig. 18 Brazing the piping adapter ① If the connection size of the pipe adapter selected is different from the piping connection size of BU module, cut the tube of the piping adapter from middle with tube cutter and remove the burrs.
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Page 19: Precaution For Connection
BU Module Fig. 20 ④ After brazing, use wet cloths to cool off the pipes to be brazed sufficient. 5.4 Precaution for Connection 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;... - Page 20 BU Module Fig. 22 ② If the thermal insulation of the refrigerant pipe is not removed, please do not bend the pipe. Otherwise, it maybe leads the pipe to crack. It is better to make an incision with a knife in the thermal insulation and removes it.
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Page 21: Electrical Wiring Work
BU Module 6 Electrical Wiring Work 6.1 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. 24 6.2 Requirements of Power Circuit and Cable Table 11 Phase and frequency... -
Page 22: Ground Requirements
BU Module 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. If the working condition changes, they should be modified according to the related national standard. -
Page 23: Precaution Of Laying Wires
Pass the screw through the round terminals and fix it onto the terminal block. Fig. 25 6.6 Procedures for Electrical Wiring Work Unscrew the electrical equipment plate. The structure of behind the electrical equipment plate. a) FXA2A-D and FXA2B-D... - Page 24 BU Module b) FXA3A-D and FXA3B-D c) FXB5A-D Terminal black for BU Terminal black for Name Ground screw module power supply transmission line Terminal black for indoor Name DIP switch Printed circuit board unit power supply Fig. 26 Let the power cable and transmission line go through the rubber ring. In order to protect the power cable and transmission line from damaging by the hole, the rubber ring cannot fall from that, otherwise, it may cause electrical shock or fire etc.
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Page 25: Instructions For Dip Switch
BU Module line to the N(1), 2 terminals with the sign of BU module. Connect the power cable of the indoor unit to the N(1), 2 and 3 terminals with the sign of Indoor unit A (B, C, D and E) and as well as the ground screw. Fix the power cable and transmission line firmly by cable fixing clip. -
Page 26: Design Of Drainage Pipeline
BU Module 7 Design of Drainage Pipeline 7.1 Installation of Drain Hose Remove the rubber stopper of drain hole. Connect the drain hose to the drain hole of BU module. The drain hose should be kept at 5~10 degrees of gradient to facilitate discharge of the condensing water. -
Page 27: Troubleshooting
BU Module 9 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 28 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 66174100032...