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Photovoltaic Direct-driven Inverter VRF

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4.7 Connection Method and Steps for System Communication

4.7.1 Communication connection between IDU and ODU

NOTICE!

The centralized controller can be installed when it is necessary.

Connect IDU and ODU via terminal D1/D2 of wiring board XT2. Below are the connection

graphics of single unit and modular units:

Fig.4.7.1 Connection of single unit

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Содержание GMV-Y120WM/C-F

Страница 1: ...Owner s Manual Original Instructions Commercial Air Conditioners Photovoltaic Direct driven Inverter VRF Models GMV Y72WM C F U GMV Y96WM C F U GMV Y120WM C F U GMV Y360WM C F U...

Страница 2: ...unction and operation failure please examine the following items and contact our authorized service centers as soon as possible 1 Nameplate model cooling capacity product code ex factory date 2 Malfun...

Страница 3: ...facturer 3 After verification the defect of productis directly caused by corrosive gas 4 After verification defects are due to improper operation during transportation ofproduct 5 Operate repair maint...

Страница 4: ...4 3 INSTALLATION OF THE CONNECTION PIPE 24 4 4AIR PURGINGAND REFRIGERANT CHARGE 29 4 5 ELECTRIC WIRING 33 4 6 SYSTEM COMMUNICATION 35 4 7 CONNECTION METHODAND STEPS FOR SYSTEM COMMUNICATION 40 4 8 EX...

Страница 5: ...the door and window and keep good ventilation in the room to avoid oxygen deficit when the gas oil supplied heating equipment is used 11 Never start up or shut off the air conditioner by means of dir...

Страница 6: ...diately Poisonous gas will emerge if the refrigerant gas meets fire 26 Volatile liquid such as diluent or gas will damage the unit appearance Only use soft cloth with a little neutral detergent to cle...

Страница 7: ...e is only used for reference and the actual product prevails 2 2 Combinations of Outdoor Units Model Single GMV Y144WM C F U GMV Y168WM C F U GMV Y192WM C F U Model Combined GMV Y72WM C F U GMV Y72WM...

Страница 8: ...Y144WM C F U 23 GMV Y312WM C F U 53 GMV Y168WM C F U 29 GMV Y336WM C F U 56 GMV Y192WM C F U 33 GMV Y360WM C F U 59 GMV Y216WM C F U 36 The total capacity of indoor units should be within 50 135 of t...

Страница 9: ...erature Range may damage this product and will invalidate the warranty 3 Preparation before Installation NOTICE The picture is only used for reference and the actual product prevails Unit mm in 3 1 St...

Страница 10: ...semblytool of photovoltaic connector 1 Use one end of the tool to lock photovoltaic cable and use the other end to disassemble the photovoltaic connector 3 2 Installation Site 1 Install the unit at a...

Страница 11: ...bends 6 Never allow children to approach to the unit and take measures to prevent children touching the unit 3 2 1 When the outdoor unit is totally surrounded by walls please refer to following figure...

Страница 12: ...top and the wall at least 3000mm 118 1 8in or above When the unit is located in a totally open space with no obstructions in four directions keep the distance between the unit top and wall at least 1...

Страница 13: ...ce dimension for multiple module unit For keeping good ventilation make sure there is no obstruction above the unit When the unit is located at a half open space front and left right side is open inst...

Страница 14: ...3 2 4 Considering the seasonal wind in outdoor unit installation Anti monsoon installation requirement for unit not connecting exhaust duct Fig 3 2 8 Fig 3 2 9 Anti monsoon installation requirement f...

Страница 15: ...fall among outdoor modules Refer to the table below for piping work requirements R410A Refrigerant System Outer Diameter mm in Wall Thickness mm in Type 6 35 1 4 0 8 1 32 O 9 52 3 8 0 8 1 32 O 12 7 1...

Страница 16: ...Photovoltaic Direct driven Inverter VRF 12 4 Installation Instruction 4 1 Physical Dimensionof the Outdoor Unit and Mounting Hole Outline and Physical Dimention of GMV Y72WM C F U Unit mm in Fig 4 1 1...

Страница 17: ...Photovoltaic Direct driven Inverter VRF 13 Outline and Physical Dimention of GMV Y96WM C F U and GMV Y120WM C F U Unit mm in Fig 4 1 2...

Страница 18: ...Photovoltaic Direct driven Inverter VRF 14 4 2 Connection Pipe 4 2 1 Schematic Diagram of Piping Connection Fig 4 2 1...

Страница 19: ...Photovoltaic Direct driven Inverter VRF 15 4 2 2 Schematic Diagram of Piping Sequence GMV Y72WM C F U Fig 4 2 2 GMV Y96WM C F U and GMV Y120WM C F U Fig 4 2 3...

Страница 20: ...Y type manifold is about 0 5m 1 3 4ft Unit m ft Fig 4 2 4 L10 Length from the first branch to the farthest IDU L11 Length from the first branch to the nearest IDU Equivalent length of branch of IDU i...

Страница 21: ...a b c d e f g h i j 40m 131 1 4ft 3 Difference between the pipe length from the first branch of IDU to the farthest IDU and the pipe length from the first branch of IDU to the nearest IDU L10 L11 40m...

Страница 22: ...4 5ft then increase the size of the liquid pipe of IDU only for the pipe size that is 6 35mm 1 4in 4 2 4 Connection Pipe among Outdoor Modules Fig 4 2 5 Unit m ft Fig 4 2 6 NOTICE When the distance be...

Страница 23: ...7 Pipe size of basic outdoor module is shown as follows Basic Module Pipe between ODU and the first branch of IDU Gas Pipe mm in Liquid Pipe mm in GMV Y72WM C F U 19 05 3 4 9 52 3 8 GMV Y96WM C F U 22...

Страница 24: ...elect the branch of outdoor module Model ML01 A 4 2 5 3 Fitting pipe between two manifolds from basic modules Pipe size between two manifolds from basic modules is based on the total capacity of upstr...

Страница 25: ...19 05 3 4 9 52 3 8 GMV Y96WM C F U 22 2 7 8 9 52 3 8 GMV Y120WM C F U 28 6 1 1 8 12 7 1 2 For multiple modules the piping from ODU to the first branch of IDU is based on the total rated capacity of ou...

Страница 26: ...5 9 5 8 GMV Y240WM C F U 34 9 1 3 8 15 9 5 8 GMV Y264WM C F U 34 9 1 3 8 19 05 3 4 GMV Y288WM C F U 34 9 1 3 8 19 05 3 4 GMV Y312WM C F U 34 9 1 3 8 19 05 3 4 GMV Y336WM C F U 34 9 1 3 8 19 05 3 4 GMV...

Страница 27: ...o manifolds at indoor unit side is based on the total capacity of upstream indoor unit s Fig 4 2 13 Total capacity of downstream indoor unit s C Btu h Dimension of the pipe of indoor branch Gas Pipe m...

Страница 28: ...y property damage or personal injury 1 Conform to the following principles during piping connection Connection pipeline should be as short as possible The height difference between indoor and outdoor...

Страница 29: ...insulation and tie it up with plastic tape 4 A mounting support for the connection pipe is required 5 The curvature degree of connection pipe should not be small otherwise the pipe might crack Instal...

Страница 30: ...weld the manifold pipe See the Fig 4 3 4 a T type manifold must be installed horizontally with inclination see the Fig 4 3 4 b Fig 4 3 4 a Fig 4 3 4 b 4 Manifold is isolated by insulating material th...

Страница 31: ...4 3 5 Unit mm in Fig 4 3 5 3 There must be three fixing point for both horizontal and vertical installation of the Y type manifold See Fig 4 3 6 Fixing point 1 100mm 4in on the main inlet manifold fr...

Страница 32: ...ial and adhesive pipe for insulation from the air 2 For heat pump unit liquid pipe should bear 70 C 158 or above and gas pipe should bear 120 C 248 or above For cooling only unit both liquid pipe and...

Страница 33: ...ternal diameter of copper pipe mm 12 7 15 88 Thickness ofthermal insulating layer mm 15 20 4 3 4 Support and protection for pipeline 1 Support should be made for hanging connection pipe Distance betwe...

Страница 34: ...refrigerant quantity A for piping Liquid pipe length Added refrigerant quantity for each meter in of liquid pipe Diameter of liquid pipe mm in 28 6 1 1 8 25 4 1 22 2 7 8 19 05 3 4 15 9 5 8 12 7 1 2 9...

Страница 35: ...arging amount A Liquid pipe length refrigerant charging amount of every 1m or 1in liquid pipe 25kg 55 1 pounds Total refrigerant charging amount R 25 12 37kg 55 1 26 4 81 5pounds For example 2 Outdoor...

Страница 36: ...lume of the room m3 The maximum allowed concentration level of refrigerant kg m3 Total amount of refrigerant kg in the system Total additional charging amount kg Amount of refrigerant kg which is char...

Страница 37: ...o be set Air switch should have both magnetic trip and thermal trip functions so as to protect the unit when short circuit and overload happens D type breaker is adviced to be used 8 Wiring diagram at...

Страница 38: ...WM C F U 240V 3 60Hz 40 40 40 37 3 39 8 39 8 40 40 40 GMV Y360WM C F U 240V 3 60Hz 40 40 40 39 8 39 8 39 8 40 40 40 1 Specification of circuit breaker and power cord is selected on the basis of unit s...

Страница 39: ...n Otherwise system s communication may not work well Steps of power cord connection 1 Knock off the cross through opening that s used for leading the external power cord with the cross through rubber...

Страница 40: ...U and communication among IDUs 4 6 3 Selection and connection model 4 6 3 1Select communication material NOTICE If air conditioners are installed at places where there s strong electromagnetic interfe...

Страница 41: ...sary to use shielded wire Graphic of connection between IDU and wired controller Fig 4 6 1 2 Select communication wire between ODU and IDU Material Type Total Length L m of Communication Cable between...

Страница 42: ...Photovoltaic Direct driven Inverter VRF 38 4 6 3 2 Connection mode of communication 1 All communication wires of GMV5 must be connected in series rather than in star Fig 4 6 3 Fig 4 6 4 Fig 4 6 5...

Страница 43: ...Photovoltaic Direct driven Inverter VRF System IDU and ODU No need to set address codes manually Only the addresses of master unit and central control are needed to be set address of central control i...

Страница 44: ...cation 4 7 1 Communication connection between IDU and ODU NOTICE The centralized controller can be installed when it is necessary Connect IDU and ODU via terminal D1 D2 of wiring board XT2 Below are t...

Страница 45: ...of the outdoor main board 2 For modular outdoor units if there are multiple outdoor modules then indoor units must be connected with the last slave module of ODU slave module is set by SA8 of the outd...

Страница 46: ...tion between IDU and wired controller There are 4 kinds of connection between IDU and wired controller as shown below Fig 4 7 3 One wired controller controls one IDU Fig 4 7 4 Two wired controllers co...

Страница 47: ...zone displays P00 Press button or button to select parameter code P13 Press mode button to switch to setup of parameter values Then the parameter value will blink Press button or button to select cod...

Страница 48: ...Photovoltaic Direct driven Inverter VRF 44 Fig 4 7 7...

Страница 49: ...am of a single unit AC DC POWER AC POWER AC POWER 3 3 L1 L2 L3 IDU 1 L1 L2 L3 D1 D2 H1 H2 IDU n L1 L2 L3 D1 D2 H1 H2 IDU 2 L1 L2 D1 D2 H1 H2 G G G G G G QF QF QF master module Wired controller Wire re...

Страница 50: ...Installation of Photovoltaic System 4 9 1 Notice for installation Improper operation or not following operation instruction may cause safety hazards and serious damage to hardware or even property lo...

Страница 51: ...nder LED1 function code qp status set grid connection standard Step 4 Under LED1 function code qU status set grid voltage type voltage and frequency Step 5 Under LED1 function code qn status set the f...

Страница 52: ...n unit before installation The material of support shall be aluminium alloy or hot galvanizing steel During installation please avoid scratching to the aluminium alloy surface or galvanizing layer Dur...

Страница 53: ...the road 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...

Страница 54: ...nication malfunction might happen Is the address code of indoor units and wired controller correct The unit cannot run normally Communication malfunction might happen Has the communication line been c...

Страница 55: ...her the cut off valve of each basic module is fully turned on 4 During debugging front panel of the outdoor unit must be fully closed otherwise debugging accuracy will be affected 5 Before debugging m...

Страница 56: ...ard setting Display Mode Current Status Display Mode qP On 1 3 Flicker oC Flicker After selecting corresponding grid connection certification standard setting press SW7 to confirm the selected mode Co...

Страница 57: ...y Mode Current Status Display Mode qU On 1 7 On 1 2 Flicker After selecting corresponding frequency press SW7 to confirm the selected mode Corresponding display of all modules are as below LED1 LED2 L...

Страница 58: ...sidual power sending to the grid Display Mode Current Status Display Mode qn On 1 2 On oC On Master unit will memorize this setting and the setting won t be cleared in power failure For the master uni...

Страница 59: ...on db light 05 light C2 light System detects driven communication error between master unit and inverter compressor db light 05 light C3 light System detects driven communication error between master...

Страница 60: ...late the refrigerant quantity manually and confirm the perfusion status of refrigerant the quantity of refrigerant added into the system must be recorded accurately 12_Confirm debugging startup db lig...

Страница 61: ...ing operation mode Gree Photovoltaic Direct driven Inverter VRF System has two debugging modes one is direct operation on main board of outdoor units while the other is PC operation via special softwa...

Страница 62: ...e Current progress Display mode Current status Display mode db light 02 light L7 blink At this time all buttons are ineffective Set master IDU in 1min via debugging software If master IDU is not set i...

Страница 63: ...low and then start next progress Debugging code Progress code Status code Meaning progress LED1 LED2 LED3 Code Display status code Display status Code Display status 05_Detect internal communication d...

Страница 64: ...em will display as below and then start next progress Debugging code Progress code Status code Meaning progress LED1 LED2 LED3 Code Display status code Display status Code Display status 07_Detect ind...

Страница 65: ...g code Progress code Status code Meaning progress LED1 LED2 LED3 Code Display status code Display status Code Display status 09_Refrigerant judgments before startup db Light 09 Light OC Light System r...

Страница 66: ...11 is Calculate refrigerant quantity manually No need to operate System will start next progress Step 16 progress 12 is Confirm debugging startup In order to make sure all preparation work is done bef...

Страница 67: ...1 2s later 00 2s later U8 and repeat again B If heating mode is selected relevant display is as below Debugging code Progress code Status code Meaning progress LED1 LED2 LED3 Code Display status code...

Страница 68: ...compressor starts but inverter compressor 2 stops the discharge tube temperature of inverter compressor 2 is almostthe same with ambient temp 3 Casing top temp of inverter compressor 1 C F 4 Discharge...

Страница 69: ...ltage V Normal bus voltage is 1 414 times of power voltage For example if 3 phase power voltage is 220V then the bus voltage after rectification is 220V X 1 414 311V It s normal if actual voltage vari...

Страница 70: ...per temperature setting Adjust setting at wireless remote controller or wired controller Fan speed is set too low Adjust setting at wireless remote controller or wired controller Wind direction is not...

Страница 71: ...racking sound is heard when unit is operating and after operating That s sound caused by expansion of panel and other parts due to temperature change The unit blows out duct When unit runs after no op...

Страница 72: ...unction of air outlettemperature sensor LC IDU is not matching with outdoor unit dE Malfunction of indoor CO2 sensor LL Malfunction of water flow switch dF Malfunction of upper water temperature senso...

Страница 73: ...Oil return pipe is leaking bA Malfunction of oil return temperature sensor 1 P0 malfunction ofdriving board of compressor bH Clock of system is abnormal P1 Driving board of compressor operates abnorm...

Страница 74: ...1 is abnormal HU AC inputvoltage of drive of inverter fan G0 PV reversed connection protection GH Photovoltaic DC DC protection G1 PV Anti islanding protection GC Photovoltaic DC hardware overcurrent...

Страница 75: ...and ODU C2 Communication malfunction between main control and inverter compressor driver Cn Malfunction of network for IDU and ODU of mode exchanger C3 Communication malfunction between main control a...

Страница 76: ...d wire is earthed reliably 3 Check if battery of remote wireless controller has been replaced 4 Check if the filter screen has been set soundly 5 After long period of shutdown open the main power swit...

Страница 77: ...ervice agency 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 Gree man...

Страница 78: ......

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