Gree GMV-Y120WL/A-T Owner'S Manual Download Page 10 | Manualshive

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Gree GMV-Y120WL/A-T Owner'S Manual Download Page 10

Photovoltaic Multi VRF

7

4.2 Connection Pipe

4.2.1 Schematic Diagram of Piping Connection

4.2.2 Allowable Length and Height Difference of Connection Pipe

Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is

shown in the figure below:

Note

：

Equivalent length of one Y-type branch is 0.5m.

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Summary of Contents for GMV-Y120WL/A-T

Page 1: ...Owner s Manual Original Instructions Commercial Air Conditioners Photovoltaic Multi VRF Models GMV Y120WL A T GMV Y140WL A T GMV Y160WL A T...

Page 2: ...rough 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...

Page 3: ...Adding 14 4 5 Electric Wiring 16 4 6 Installation project of photovoltaic system 19 5 CHECK ITEMS AFTER INSTALLATION AND TEST OPERATION 22 5 1 Check Items after Installation 22 5 2 Test operation and...

Page 4: ...Installation should be performed by distributor or qualified technicians Do not install the product by yourself Improper installation may result in water leakage electric shock or fire hazard Before i...

Page 5: ...r at least 5 minutes Otherwise oil return of the compressor will be affected Children are not allowed to operate the air conditioner Do not operate the air conditioner with wet hands Please turn off a...

Page 6: ...nstall units according to national wiring codes If the supply cord is damaged it musr be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard An...

Page 7: ...ne of the indoor units receives operating command outdoor unit will start operation as per required capacity When all indoor units stop outdoor unit will be shut off 2 3 Operating Range Cooling Outdoo...

Page 8: ...plosive and corrosive gas or waste gas Make sure the location has space for heat exchange and maintenance so that unit can operate reliably with good ventilation ODU and IDU should stay as close as po...

Page 9: ...re only for reference Please refer to actual products Unspecified dimensions are all in mm 4 1 Dimension of Outdoor Unit and Mounting Hole Unit Outline and Installation Dimension mm Unit mm Model A B...

Page 10: ...Diagram of Piping Connection 4 2 2 Allowable Length and Height Difference of Connection Pipe Y type branch joint is adopted to connect indoor and outdoor units Connecting method is shown in the figur...

Page 11: ...ngth of farthest fitting pipe m Actual length 120m L1 L2 L3 d Equivalent length 150m From the 1st branch to the farthest indoor pipe 40m L2 L3 d Height difference between ODU and IDU ODU at upper side...

Page 12: ...f downstream indoor units If the capacity exceeds that of the outdoor unit capacity of outdoor unit prevails R410A Refrigerant system Total capacity of downstream indoor units X kW Model Y type branch...

Page 13: ...h and IDU Dimension of pipe between indoor branch and IDU should be consistent with the dimension of indoor pipe Rated capacity of IDU C kW Gas pipe mm Liquid pipe mm C 2 8 9 52 6 35 2 8 C 5 0 12 7 6...

Page 14: ...imes at the same position 4 3 2 Flaring Process 1 Use pipe cutter to cut the connection pipe in case it is unshaped 2 Keep the pipe downward in case cutting scraps get into the pipe Clear away the bur...

Page 15: ...e tightly with plastic tape 5 Connection pipe should be supported by a bearer rather than the unit 6 The bending angle of piping should not be too small otherwise the piping might have cracks Please u...

Page 16: ...3 7 Thermal Insulation for Pipeline 1 For multi VRF system every copper pipe should be labeled so as to avoid misconnection 2 At the branch inlet leave at least 500mm straight pipe section 3 Thermal i...

Page 17: ...to completely seal the hole on the wall 4 3 8 Support and Protection of Pipeline 1 Support should be made for hanging connection pipe Distance between each support cannot be over 1m 2 Protection again...

Page 18: ...rant When the ODU is GMV Y WL A T adding refrigerant method includes 3 steps as follow 1 Amount of additional refrigerant depending on the pipe size X 2 Amount of additional refrigerant depending on Q...

Page 19: ...of additional refrigerant depending on Quantity of IDU Y Quantity of indoor unit 4 sets 3 Amount of additional refrigerant depending on certain model of IDU Z IDU includes GMV NDR40PH B1 T Therefore...

Page 20: ...ure it is securely grounded It s a must to install air switch and current circuit breaker that can cut off the power of the entire system The circuit breaker should include magnetic trip function and...

Page 21: ...with master circuit breaker for connecting or cutting off general power supply of IDU and ODU For AC public power grid selection of power cord diameter and air switch are as below Model Power Supply C...

Page 22: ...core cross linked polyethylene insulated PVC cable laying in wire slot under using ambient temperature of 40 and cable working temperature of 90 if the using conditions are different please calculate...

Page 23: ...ly Calculate the correct quantity of each row according to the quantity of photovoltaic sub assy of each row including the quantity of bolt and other accessories Firstly fix the transition unit in the...

Page 24: ...ad The pipe port shall be deburred to avoid cutting the cable during pulling During laying wire make sure the wire size according to the diagram Before laying check if the insulation resistance is in...

Page 25: ...eplate Unit may have malfunction or components may get damaged is the electric wiring and pipe connection installed correctly Unit may have malfunction or components may get damaged Unit is securely g...

Page 26: ...he unit to check whether it s normally preheated If yes start test operation Otherwise compressor might be damaged 5 2 2 Test Operation and Debugging Description of test operation procedures and main...

Page 27: ...debugging from progress 01 If the number is then correct press main board s SW7 button to confirm Then the display is as below db On 04 On OC On System has confirmed the quantity 2s later next step st...

Page 28: ...r code On Outdoor component s error LED3 will display the related error code After errors are eliminated system will start next step automatically If power is off during troubleshooting then restart d...

Page 29: ...at time db On 08 On OC On Compressor has been preheated for 8 hours 2s later next step starts 09_ Refrigerant judgments before startup db On 09 On U4 On System is lack of refrigerant and display will...

Page 30: ...hen start next step 12_ Confirm debugging startup db On 12 On AP Blink Ready for units to start debugging Press main board s SW7 button to confirm startup of debugging 2s later main board will display...

Page 31: ...than the high pressure saturation temp 3 Defrosting temp In cool mode defrosting temp is 4 10 lower than system s high pressure value In heat mode defrosting temp is about 2 different from system s l...

Page 32: ...not have strange noise Unit can operate normally 6 Common Malfunctions and Troubleshooting Warning If there is abnormal condition e g unpleasant smell turn unit off and disconnect power immediately Th...

Page 33: ...unning or after running This is the sound of drainage operation Cracking sound is heard when unit is running or after running This is the sound caused by the expansion of panel and other parts of the...

Page 34: ...ir intake temperature sensor y8 Main error of indoor air box sensor yA IFD malfunction Outdoor Error Code Content Error Code Content F0 Main board of ODU is poor E0 Malfunction of ODU uniform F1 Malfu...

Page 35: ...bF Malfunction of outlet tube temperature sensor of condenser PA Malfunction of drive storage chip of compressor bJ High pressure sensor and low pressure sensor are connected reversely PH High voltag...

Page 36: ...n C2 Communication malfunction between main control and inverter compressor driver U4 Refrigerant lacking protection C3 Communication malfunction between main control and inverter fan driver U5 Wrong...

Page 37: ...peration nn Length modification of connection pipe of ODU An Child lock status Ay Shielding status 8 Function Setting of Outdoor Unit When debugging is finished press SW3 on the master unit and unit w...

Page 38: ...t can t be cancelled even when power is on or off Then press SW6 on the master unit to return to the previous step If this button is pressed when function is being set system will return to the previo...

Page 39: ...o return to the previous step If then no motion is taken to the master unit for 5min unit will exit and resume displaying the current status If this button is pressed when function is being set system...

Page 40: ...debugging remains the same iii When you only want to restore the default functions hold SW5 and SW8 button for more than 10s then all LED will blink for 7s All function settings are cleared out but I...

Page 41: ...its 3 Clean away the dust and obstacles on indoor and outdoor units 4 If outdoor unit has rust please apply some paint to it so as to prevent the rust from growing 9 5 Parts Replacement Parts and comp...

Page 42: ......

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