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GM V5 Compact Series VRF Outdoor Unit

7.5 Parts Replacement

Purchase parts from Gree appointed service center or dealer if necessary.

CAUTION!

When doing airtightness and leakage test, do not mix oxygen, acetylene and other dangerous gases into the

refrigerant circuit. The best way is to use nitrogen or refrigerant to do such test or it will be dangerous.

Содержание GMV-224WL/A-X

Страница 1: ...stems Outdoor Unit Owner s Manual Air Conditioners GMV 224WL A X GMV 250WL A X Thank you for choosing Gree air conditioners please read this owner s manual carefully before operation and keep it for future reference GMV 280WL A X ...

Страница 2: ......

Страница 3: ...re and after malfunction occurs 5 All units have been strictly tested and proved to be qualified before ex factory To avoid unit damage or even operation failure which may be caused by improper disassembly please do not disassemble units by yourself If disassembly is needed please contact our appointed serve centers for help 6 All graphics and information in this manual are only for reference Manu...

Страница 4: ......

Страница 5: ... the Connection Pipe 13 4 5 Pressure Check V acuum and Additional Refrigerant Charge 17 4 6 Electric Wiring 19 4 7 Communication Wiring 22 5 Check Items after Installation and Trial Run 25 5 1 Check Items after Installation 25 5 2 Trial Run 25 6 Common Malfunction and Troubleshooting 27 6 1 Check before Contacting Service Center 27 6 2 Normal Phenomenon 28 6 3 Error Display 28 7 Maintenance 31 7 1...

Страница 6: ... dealer or qualified personnel Please do not attempt to install the unit by yourself Improper handling may result in water leakage electric shock or fire disaster etc Make sure the unit can be earthed properly and soundly after plugging into the socket so as to avoid electric shock Please do not connect the ground wire to gas pipe water pipe lightning rod or telephone line If refrigerant leakage h...

Страница 7: ...r injury may happen Never spray or flush water towards unit otherwise malfunction or electric shock may happen Do not expose the unit to the moist or corrosive circumstances V olatile liquid such as diluents or gas will damage the unit appearance Only use softcloth with a little neutral detergent to clean the outer casing of unit If anything abnormal happens such as burning smell please power off ...

Страница 8: ...capacity of indoor units should be in the range of 50 135 of the capacity of outdoor unit Fig 1 Outdoor unit and indoor unit combination 3 As shown in Fig 1 the outdoor unit can be connected to different type of indoor units including 4 way Cassette IDU 1 Way Cassette IDU Wall Type IDU and Duct Type IDU If one indoor unit is turned on the outdoor unit will start and deliver the required cooling ca...

Страница 9: ...h to support the indoor unit 3 Please choose the location 4 Please keep the air outlet and air inlet away from the barriers 5 The location for installation should be easy for piping 6 Please keep the indoor units away from incendive materials and explosive materials 7 Please keep the indoor units away from the location with high humidity and high corrosive 3 2 2 Choose the Location for Installatio...

Страница 10: ...location which has good ventilation 7 Please keep the indoor units away from the location with high humidity and high corrosive Caution If the unit was installed on the following improper sites leading to malfunction please contact Gree appointed service center for help the place full of oil Salina the place including of H2S the place with high frequency device such as wireless device electric wel...

Страница 11: ...bors Only use the appointed suspender orifice to suspend outdoor unit Please protect the unit when suspending it and forbid destroying sheet metal in case of rustiness Never expose the unit under direct sunshine Rain water and thaw water should be discharged in time The place must insure outdoor unit will not be under the influence of snow rubbish oil smear Rubber or spring absorber should be inst...

Страница 12: ...098 427 1584 2 Mounting hole physical dimension Fig 3 Mounting hole physical dimension 3 Use M12 bolt to fix up the chassis of the units when installing units 4 Aspace is needed to install outdoor unit to insure unit operate normally ⅰ Obstructions in the air inlet No obstructions above the unit Obstructions above the unit ...

Страница 13: ...ig 4 Installation space for outdoor unit Note Be sure that L is less than H and H is the height of the unit and its chassis The value of Amust meet the following standard L A 0 L 1 2H 600 1 2H L H 1400 5 Outdoor unit should be installed on the beton chassis of 10cm thickness ...

Страница 14: ...tion 4 2 2 Allowable Pipe Length and Drop Height among Indoor and Outdoor Units Fig 6 Allowable pipe length and drop height among indoor and outdoor units The equivalent distance of indoor units manifold is 0 5m Wired controller Height difference between outdoor and indoor unit H Y type manifold Indoor unit Height difference among indoor units h 15m Outdoor unit ODU IDU The first manifold of indoo...

Страница 15: ... model 25 28 model 28 32 model 32 36 model 36 40 model 40 45 model 45 50 model 50 56 model 56 63 model 63 71 model 71 Outdoor unit 224 model 224 250 model 250 280 model 280 The maximum number of indoor units is 16 with one outdoor unit The total capacity code of indoor unit is in the range of 50 t 135 of that of outdoor unit 4 2 4 Connection Pipe Size 1 Pipe size between outdoor unit and the first...

Страница 16: ...ed capacity is less than or equal to 5 0KW should be 2 times bigger than before 2 Fitting pipe size between Manifolds at indoor unit side is determined by the total capacity of downstream indoor unit s 室内机室外机室内分歧管间的配管 Total capacity of downstream indoor unit s X kW Fitting pipe size between Manifolds at indoor unit side Gas pipe mm Liquid pipe mm ODU IDU Fitting pipe between Manifolds ...

Страница 17: ...em oil loop is required to be set on the vertical pipeline so as to guarantee effective oil return to compressor 4 3 2 Principle of Setting Oil Loop When large drop height exists between indoor and outdoor units oil loop is required to be set on the vertical pipeline for every X m from the top down Oil loop can be made by two U type bends or one return type bend Pipe height is 3 5 times of pipe si...

Страница 18: ...8 6 9 8 45 150 Φ34 9 11 8 60 250 Φ38 1 12 8 60 350 Φ41 3 13 8 80 450 Φ44 45 7 4 80 500 Φ54 1 17 8 90 500 4 4 Installation of the Connection Pipe 4 4 1 Precautions When Installing the Connection Pipe 1 Conform to the following principles during piping connection Connection pipeline should be as short as possible The height difference between indoor and outdoor units should be as short as possible K...

Страница 19: ...support for the connection pipe is required 5 The curvature degree of connection pipe should not be small otherwise the pipe might crack Installation personnel should use tube bender when bending the pipe 6 Don t forcibly stretch the pipe joint otherwise indoor capillary or other pipes might be damaged and lead to refrigerant leakage 4 4 2 Y type Manifold 1 Y type manifold 到其它分支管或到室内机现场用管室外现场用...

Страница 20: ...aken as insulating material For liquid pipe side the foam attached on the manifold and the field insulating material should be in touch in case of dropping dew 4 4 3 Thermal Insulation for Pipeline 1 For multi VRF system every copper pipe should be labeled so as to avoid misconnection 2 At the manifold inlet at least leave 500mm straight pipe section and for FQ04 manifold keep it at least 800mm 3 ...

Страница 21: ...ipe and wall See Fig 13 Fig 13 4 The foam attached on the manifold cannot be taken as insulating material 5 When wrapping the tape the later circle should cover half of the former one Don t wrap the tape so tightly otherwise the insulation effect will be weakened 6 After wrapping the pipe adopt sealing material to completely fill the hole so as to prevent wind and rain from entering the room 4 4 4...

Страница 22: ... Seal up the remaining space of the cut and dried orifice except connecting pipes with sealant or putty And do not leave any space If not maybe water dust small animals come in unit and lead to malfunction 4 5 Pressure Check Vacuum and Additional Refrigerant Charge 4 5 1 Pressure Check 1 Valves of outdoor unit on the side of gas pipe and liquid pipe are off during pressure check 2 Only use nitroge...

Страница 23: ...tion to deflate air of unit with vacuum pump Fig 16 V acuum Number 1 2 3 4 5 6 7 Name ODU Gas valve Liquid valve Manometer LO Knob HI Knob Vacuum pump 3 Turn on vacuum pump LO knob and HI knob to vacuum the air of both gas pipe and liquid pipe If only one pipe is deflated the units exist air leading to a little vacuum degree 4 When manometers show 0 1MPa 1bar vacuum pump still works for 1hour or m...

Страница 24: ...22 2 Φ19 05 Φ15 9 Φ12 7 Φ9 52 Φ6 35 Refrigerant mass for every excess meter kg m 0 680 0 520 0 350 0 250 0 170 0 110 0 054 0 022 After confirming that there is no leakage from the system and compressor is not at operation charge additional R410A with specified amount to the unit through the filling opening of the liquid pipe valve of outdoor unit If required additional refrigerant cannot be quickl...

Страница 25: ...ndoor unit user manual 2 Air switch and power supply Model Power supply Air switchcapacity A Min sectional area of grounding wire mm 2 recommendable wire sectional area mm 2 number GMV 224WL A X 380V 3N 50Hz 20 4 0 4 0 5 GMV 250WL A X 380V 3N 50Hz 25 4 0 4 0 5 GMV 280WL A X 380V 3N 50Hz 25 4 0 4 0 5 3 Please refer to the following table for circuit breaker and air switch for indoor units Breaker l...

Страница 26: ...nal area of power cord mm 2 22 25 28 32 36 duct type unit 6 1 0 1 0 40 45 50 duct type unit 10 1 0 1 0 56 63 71 80 duct type unit 16 1 5 1 5 90 100 112 125 140 duct type unit 10 1 0 1 0 28 36 45 50 cassette type unit 6 1 0 1 0 56 63 71 cassette type unit 10 1 0 1 0 80 90 112 125 140 cassette type unit 10 1 0 1 0 Caution Unit power cord must use copper cable whose actual temperature can t exceed it...

Страница 27: ...s Nor should it be cut off or secured by tapping screws Otherwise it may cause electric shock 5 Ground resistance must be in accordwith requirements of local standard 6 Power supply at user side must have reliable ground terminal Do not connect ground wire to the following places 1 water pipe 2 gas pipe 3 drainage pipe 4 other places that are considered by professionals as unreliable 4 7 Communica...

Страница 28: ...d the communication wire between indoor unit and outdoor or indoor unit should use STP for shielding the electromagnetism Fig 18 Communication wiring 4 7 2 Choice of the Material of Communication Wire Note If the units were placed at a place with stronger electromagnetism the communication wire between indoor unit and wire controller should use screen wire for shielding the electromagnetism and th...

Страница 29: ...oller 2 Thecommunication wire between indoor unit and outdoor or indoor unit The following table shows the material of communication wire the length L of the communication wire between indoor unit and outdoor or indoor unit the sectional area of communication wire Material Length L m Sectional area mm 2 Standard Remarks RVV L 1000 2 0 75 GB T 5023 3 2008 If the diameter increases to 2 1mm 2 the le...

Страница 30: ... cord specified It may cause malfunction or damage the part Has the inlet and outlet been clogged It may cause insufficient cooling heating capacity Has the pipe length and refrigerant charging amount been recorded The refrigerant charging amount is not accurate 5 2 Trial Run 5 2 1 Check before Trial Run 1 Check if the unit appearance and piping system are damaged due to transportation 2 Check if ...

Страница 31: ... below 20 debugging shall be in heating mode 5 2 2 2 Trial Run 1 The trial run should be carried out by the professionally skilled personnel on the premise that all items listed above are in normal conditions 2 Let the unit energized and switch the wired controller or the remoter controller to ON 3 The fan motor and compressor of the outdoor unit will run automatically in three minutes 4 If there ...

Страница 32: ...er Power off Restart the unit when power on Power supply plug is loose Plug the power supply properly Insufficient energy of remote controller Change new battery Remote controller out of the control scope Keep the control distance within 8 meters The unit stops soon after it starts Clogged air intake outlet of indoor outdoor unit Clear the obstacle Abnormal cooling or heating Clogged air intake ou...

Страница 33: ... initialization of the electronic expansion valve The unit swishes during the cooling operation It is the sound when the refrigerant gas runs inside the unit The unit swishes when it is started or stopped It is the sound when the refrigerant gas stops running The unit swishes when it is in and after the running It is the sound when the draining system is operating The unit squeaks when it is in an...

Страница 34: ...essure protection E3 E3 E3 Discharge protection E4 E4 E4 Refrigerant lacking protection Ed E0 Ed Power protection of compressor EN E0 EN Malfunction of EEPROM chip F0 F0 F0 Malfunction of high pressure sensor F1 F1 F1 Malfunction of low pressure sensor F3 F3 F3 Malfunction of discharge temperature sensor of compressor 1 F5 F5 F5 Malfunction of discharge temperature sensor of compressor 2 F6 F6 F6 ...

Страница 35: ...cy reduction for high pressure protection FA Only the outdoor unit displays the code Limited frequency reduction for low pressure protection FH Limited frequency reduction for discharge temperature protection F9 Limited frequency reduction for AC current protection F8 Limited frequency reduction for power protection FC Limited frequency reduction for IPM temperature protection FL 6 3 3 Operation C...

Страница 36: ...an up dust and sundries on the surface of heat exchanger Blow away dust by compressed air if it is available Never wash the heat exchanger with water 7 2 Drain Pipe Regularly check if the drain pipe is clogged in order to drain condensate smoothly 7 3 Check before the Seasonal Use 1 Check if the inlet outlet of the indoor outdoor unit is clogged 2 Check if the earthwire is earthed reliably 3 Check...

Страница 37: ... from Gree appointed service center or dealer if necessary CAUTION When doing airtightness and leakage test do not mix oxygen acetylene and other dangerous gases into the refrigerant circuit The best way is to use nitrogen or refrigerant to do such test or it will be dangerous ...

Страница 38: ...y designated by Gree Warranty should meet the following requirements 1 First run of the unit should be operated by professional personnel from Gree appointed service center 2 Only accessories manufactured by Gree can be used on the machine 3 All the instructions listed in this manual should be followed 4 Warrantywill be automatically invalid if fails to obey any item mentioned above ...

Страница 39: ......

Страница 40: ...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 66174100040 ...

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