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GREE Photovoltaic Multi VRF for North America

1.3 Unit Control Functions

1.3.1Control functions of outdoor unit

1) Include the following contents.

2) Compressor capacity output.

3) Compressor start-up control.

4) Outdoor fan control.

5) Defrosting control.

6) Heating EXV control.

7) Subcooling valve control.

8) Refrigerant lacking control.

1.3.2Control functions of indoor unit

1) Include the following contents

2) Cool

3) Dry

4) Heat

5) Fan

6) Heating temperature compensation

7) Anti-freezing

8) Air swing

9) Drainage pump

10) IDU EXV

11) Static pressure level

Содержание GMV-Y36WL/A-T

Страница 1: ...Photovoltaic Multi VRF for North America Capacity 36 kBtu h 60 kBtu h Rated Frequency 60 Hz...

Страница 2: ...PREPARATION AND NOTICE 69 2 INSTALLATION MATERIALS SELECTION 71 3 INSTALLATION OF OUTDOOR UNIT 72 4 INSTALLATION OF ELECTRONIC EXPANSION VALVE ASSY UNIT WITH EXTERNAL EXV 75 5 INSTALLATION OF REFRIGER...

Страница 3: ...GREE Photovoltaic Multi VRF for North America 1 PRODUCT...

Страница 4: ...for residential and light commercial uses It features high energy efficiency strong anti interference capability long connectable pipe wide operation range good sound quality intelligent capacity reg...

Страница 5: ...Direct driven Inverter Multi VRF System PV power generation system is a power generation unit for PV direct driven inverter multi VRF system and provides clean and renewable energies for PV direct dr...

Страница 6: ...en Inverter Multi VRF System Take a PV direct driven inverter ODU as an example to introduce the 5 working modes of PV direct driven inverter multi VRF unit 2 2 2 1 Pure air conditioner working mode P...

Страница 7: ...ing mode means that when the multi VRF system is not working the electric power distributed by the PV power generation system will be supplied to the national power grid as is shown in the following p...

Страница 8: ...this time the PV power generation system can realize self sufficiency of electric power and zero electricity consumption 2 2 2 4 PV air conditioner and system power generation working mode PV air cond...

Страница 9: ...power consumption working mode means that when the power of PV power generation is lower than the power consumption of multi VRF system the distributed electric energy of PV system is insufficient to...

Страница 10: ...rid or stored in storage battery In current market the major PV sub assy include monocrystaline silicon sub assy polycrystalline silicon sub assy and Thin film sub assy The following picture is the ap...

Страница 11: ...nuous input current 12 5A 12 5A Max PV input Power 6kW MPPT voltage range 100V 380V Rated AC Voltage 208Vac 240Vac Operating Voltage Range 177 229Vac 204 265Vac Operating Frequency Range 57 63Hz Rated...

Страница 12: ...y Correction 4 1 Correction factor of indoor and outdoor temperature 1 Correction factor of cooling capacity 2 Correction factor of heating capacity 4 1 Correction factor of pipe length and height dif...

Страница 13: ...e ratio of heating capacity NOTE m 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 ft 0 33 66 98 131 164 197 230 262 295 328 361 394 427 459 492 5 Principal of Operation Components in flowcharts...

Страница 14: ...Pressure and temperature of the refrigerant will then be lowered by throttle elements before it flows into indoor heat exchangers After exchanging heat with indoor air refrigerant wil become low tempe...

Страница 15: ...GREE Photovoltaic Multi VRF for North America 13 CONTROL...

Страница 16: ...send a signal to main board Main board will pass this signal to controller where the error will be displayed and stop unit from working 2 High low pressure sensor is used to test unit s high low pres...

Страница 17: ...output 3 Compressor start up control 4 Outdoor fan control 5 Defrosting control 6 Heating EXV control 7 Subcooling valve control 8 Refrigerant lacking control 1 3 2Control functions of indoor unit 1 I...

Страница 18: ...GREE Photovoltaic Multi VRF for North America 16 2 Wired Controller 2 1 Control panel...

Страница 19: ...GREE Photovoltaic Multi VRF for North America 17...

Страница 20: ...GREE Photovoltaic Multi VRF for North America 18 Button Graphics...

Страница 21: ...ion method Fig2 2 2 Installtion diagram for wired controller Above is a simple installation method of wired controller Please pay attention to the following 1 Before installation disconnect power of t...

Страница 22: ...its back plate If caliber of the communication cord is too large which causes difficulty in leading or sticking the cord according to above point 2 and point 5 strip some of the sheath of the communi...

Страница 23: ...E Photovoltaic Multi VRF for North America 21 Fig 2 2 4 3 One wired controller controls multiple indoor units simultaneously Fig 2 2 4 4 Two wired controllers control multiple indoor units simultaneou...

Страница 24: ...on introduction No Button name Function 1 ON OFF Turn on or turn off the unit 2 TURBO Set turbo function 3 MODE Set operation mode 4 Set up down swing status 5 I FEEL Set I FEEL function 6 TEMP Switch...

Страница 25: ...14 Set left right swing status 15 FAN Set fan speed 16 Set temperature and time 2 Remote controller YV1L1 No Button name Function 1 ON OFF Turn on or turn off the unit 2 FAN Set fan speed 3 Set tempe...

Страница 26: ...for the management of central air conditioners that are separated in different parts of a building Administrator doesn t need to control every unit on site but rather controls the units by just sitti...

Страница 27: ...units can be connected while in a multi system network only the master outdoor unit can be connected 4 3 Parts introduction 4 3 1 List of parts Name Model Material no Remark Gree USB data converter MC...

Страница 28: ...GREE Photovoltaic Multi VRF for North America 26 4 3 2 2 Appearance...

Страница 29: ...e CAN interface exhibits no polarity A and B are equal 8 HBS interface When HBS converter is under HBS communication mode connect air conditioner s HBS data interface HBS interface exhibits no polarit...

Страница 30: ...ponsible for the commissioning of air conditioners can start commissioning by pressing one button according to the commissioning logic of software which will give the commissioning order to units Then...

Страница 31: ...Later it will be developed to cover all series of Gree central air conditioners such as multi VRF centrifugal chiller screw type chiller ground source heat pump units modular units fan coiled units c...

Страница 32: ...ioning Tool Kits install these programmes Net Framework 4 0 USB Data Converter Access Driver necessary for versions below OFFICE 2007 Gree Debugger 4 4 1 2 Installation flowchart 1 Button Graphics Thi...

Страница 33: ...rocess 1 Install Net Framework 4 0 If your computer has installed Net Framework 4 0 or versions above there s no need to install again Otherwise click Install Net Framework 4 0 Extracting files Click...

Страница 34: ...GREE Photovoltaic Multi VRF for North America 32 Installation is in progress...

Страница 35: ...North America 33 Click Finish to complete the installation 2 Install Access Driver Before operating Gree commissioning software please first install Access Driver necessary for versions below OFFICE 2...

Страница 36: ...Multi VRF for North America 34 Click Next Tick I accept the terms in the License Agreement and then click Next Click Browse to change the default folder to the expected one or click Install to continu...

Страница 37: ...GREE Photovoltaic Multi VRF for North America 35 Installation is in progress...

Страница 38: ...l Gree Debugger Before installing Gree debugger make sure that your computer is installed with Net Framework 4 0 or versions above Then click Install Gree Debugger Click Next Click Browse to select in...

Страница 39: ...GREE Photovoltaic Multi VRF for North America 37 Click Next...

Страница 40: ...GREE Photovoltaic Multi VRF for North America 38 Installation is in progress Click Close to complete the installation...

Страница 41: ...USB Converter Driver If USB converter driver is already installed in your computer this part can be skipped Otherwise click Install USB Converter Driver Then the following installation window will be...

Страница 42: ...USB Data Converter If converter baud rate is needed to be set then converter configuring software must be installed Click Install Gree USB Data Converter Then select the setup language You can choose...

Страница 43: ...Photovoltaic Multi VRF for North America 41 Click Next Tick I accept the agreement Then click Next to continue installation Click Browse to select your expected installation folder Click Next to cont...

Страница 44: ...GREE Photovoltaic Multi VRF for North America 42 Click Browse to change folder Click Next to continue If you want to create s desktop shortcut tick Creat a desktop icon Then click Next to continue...

Страница 45: ...oltaic Multi VRF for North America 43 Destiniation location folder and additional task will be shown in the next step If you need to change any of it please click Back If not click Install to start in...

Страница 46: ...or North America 44 Installaiton is in progress Click Finish to complete the installation 4 4 2 Data monitoring Gree Debugger Start up Gree Debugger On the original interface user can select language...

Страница 47: ...GREE Photovoltaic Multi VRF for North America 45 confirm the defaulted language and units system and start up the software Select language Select system of units...

Страница 48: ...communicate normally with correct COM and protocal then you may click Connect to enter the interface of numbers Otherwise connect in accordance with the connection diagram shown below COM selection t...

Страница 49: ...n This is to select the communication method of your units Currently CAN is applicable to the units After the selection click Connnect If units can communicate normally with computer then the interfac...

Страница 50: ...n and system icon Display zones of indoor unit information and errors can be dragged up and down at the dividing lines As to the display zone of outdoor modules information it can show information of...

Страница 51: ...3 Project debugging Click icon of Debug on the menu bar and the interface will be switched to project debugging where auto debugging will be started from up to down and from left to right Note Debuggi...

Страница 52: ...debugging is completed If OK button is displayed it means user needs to judge whether to continue debugging or not Click icon and relevant information will be shown for your reference Click Close to c...

Страница 53: ...found during debugging Debugging will not be completed unless problem is solved after problem is solved step without OK button will switch to the next step automatically otherwise user needs to click...

Страница 54: ...arm you can click Skip In other cases Skip button is null Step 11 13 and 14 are reserved steps And step 13 14 15 and 16 are steps in parallel only one of the four will be selected according to actual...

Страница 55: ...ndoor units that need setting in the IDU selection zone or you may click Select All to select all of them or Select Inverted to select none of them After selection the current values of the correspond...

Страница 56: ...n the corresponding order will be sent to units If setting is successful it will be displayed at the current values 4 4 5 Other functions 1 Capture screen Click icon of Capture Screen to print the int...

Страница 57: ...GREE Photovoltaic Multi VRF for North America 55...

Страница 58: ...GREE Photovoltaic Multi VRF for North America 56 2 Search for database folder Click icon of Open Data Folder on the menu bar to open database folder...

Страница 59: ...will be temperature Select Pressure and the pressure parameter displayed on the pressure interface will be pressure Refrigerant type will affect the pressure parameter displayed on the interface 4 Dat...

Страница 60: ...of database should be set before the software starts monitoring see below interface Click Change database saving path and click Browse to change the saving path Click Rebuild Database to rebuild the d...

Страница 61: ...Converter 1 Usage of converter Gree commissioning software should be connected with CAN interface when converter is used For air conditioners with a single system connect D1 and D2 interfaces of the...

Страница 62: ...the button SET on the converter to realize the conversion among HBS CAN and RS485 interfaces You can check the setting through the function LEDs Notice If it s the first time your PC uses Gree USB da...

Страница 63: ...GREE Photovoltaic Multi VRF for North America 61 Step 2 In the pop up window select Device Manager in the left column and then find Port COM and LPT in the right column Click its...

Страница 64: ...Photovoltaic Multi VRF for North America 62 Step 3 Right click USB Serial Port COM6 and then click Properties The dialog box of properties will then pop up Step 4 Then click Port Settings in the dialo...

Страница 65: ...GREE Photovoltaic Multi VRF for North America 63 Step5 Click Advanced and then a new dialog box will pop up Find the Serial Enumerator in the miscellaneous options and cancel the tick Click OK to exit...

Страница 66: ...interface automatically Ex factory defaulted baud rate unit bps AC is connected with Baud rate of air conditioner interface Baud rate of USB interface CAN 20000 50000 self adaptive 115200 HBS 57600 38...

Страница 67: ...tion serial port and language in the System Settings Select the function that is to be set and the corresponding baud rate refer to the look up table in the Converter Setup Then click Set If you want...

Страница 68: ...GREE Photovoltaic Multi VRF for North America 66 Click Get to get the current setting details of converter...

Страница 69: ...GREE Photovoltaic Multi VRF for North America 67 Switchover of Software Languages...

Страница 70: ...GREE hotovoltaic Multi VRF for North America 68 INSTALLATION...

Страница 71: ...m Pipes are more likely to be blocked air conditioning performance is reduced compressor wear is increased or even hinder the normal operation of the system and burn the compressor 2 Nitrogen is not f...

Страница 72: ...ment Water can easily condensate and drip to damage the indoor decoration or even trigger the protection mode of system due to overheating operation 15 The installation space for IDU is insufficient S...

Страница 73: ...h pit spot and other defects 3 Test report Certifications and quality test reports must be provided 4 The tensile strength must be at least 240 kgf mm 5 Specifications requirement R410A Refrigerant Sy...

Страница 74: ...ed to 2 AWG16 the total communication line length can reach 1500 m 4921 1 4feet 2 The cord shall be Circular cord the cores shall be twisted together 3 If unit is installed in places with intense magn...

Страница 75: ...ion the selection of installation site must conform to the following principle 1 The discharged air of outdoor unit will not flow back and there is sufficient space around the unit for maintenance 2 T...

Страница 76: ...be applied between the unit and foundation 3 6 Outline dimension and position of installation hole When carrying the outdoor unit hang the unit in four directions with two sufficient ropes In order t...

Страница 77: ...The EXV of indoor unit is built in 5 Installation of Refrigerant Pipeline 5 1Allowable Length and Height Difference of Connection Pipe Y type branch joint is adopted to connect indoor and outdoor unit...

Страница 78: ...he farthest indoor pipe 40 131 L2 L3 d Height difference between ODU and IDU ODU at upper side 50 164 ODU at lower side 40 131 Height difference between IDUs 15 49 5 2 Dimension of Pipe Main Pipe from...

Страница 79: ...door unit prevails Refrigerant system Total capacity of downstream indoor units C Btu h Model Y type branch C 68200 FQ01A A 68200 C 102400 FQ01B A 102400 C 238800 FQ02 A 238800 C 460600 FQ03 A 460600...

Страница 80: ...Dimension of pipe between indoor branch and IDU should be consistent with the dimension of indoor pipe Rated capacity of IDU C Btu h Gas pipe mm inch Liquid pipe mm inch C 9600 9 52 3 8 6 35 1 4 9600...

Страница 81: ...sition 6 1Flaring 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 burrs after cutting 3 Rem...

Страница 82: ...nge tightly with plastic tape 2 Connection pipe should be supported by a bearer rather than the unit 3 The bending angle of piping should not be too small otherwise the piping might have cracks Please...

Страница 83: ...type Branch Fig 19 2 Y type branch has several pipe sections with different dimension which facilitates to match with various copper pipes Use pipe cutter to cut in the middle of the pipe section that...

Страница 84: ...insulation from the air 2 Joints of indoor and outdoor unit should be wrapped with insulating material and leave no gap between pipe and wall See Fig 21 Fig 21 3 When wrapping the tape the later circl...

Страница 85: ...unit metal pieces for transportation must be removed Then fasten the binding nuts again and wrap back soundproofing cotton If unit runs with metal pieces fitting on compressor will shake abnormally an...

Страница 86: ...Therefore the amount of additional refrigerant shall be decided on site according to the dimension and length of field installed liquid pipe 3 Record the amount of additional refrigerant for convenien...

Страница 87: ...frigerant Z is as follow Unit kg oz Capacity K Model 09 12 15 Big Duct Type GMV ND PHS B T U 0 2 7 05 0 3 10 58 0 3 10 58 Big Cassette Type GMV ND T A T U 0 3 10 58 0 3 10 58 0 3 10 58 Example No IDU...

Страница 88: ...that it is consistent with system s rated voltage 3 Do not pull the power cord with force 4 Caliber of the power cord must be large enough A damaged power cord or connection wire must be replaced by s...

Страница 89: ...ing diagram for power cord of outdoor unit and communication wire There are two wiring diagrams for communication wires of indoor outdoor units and remote monitor 1 Real line method 2 Broken line meth...

Страница 90: ...5 35 GMV Y60WL A T U 208 240V 60Hz 50 50 38 For photovoltaic DC power supply selection of power cord diameter and air switch are as below Model Power Supply Capacity of Circuit Breaker A QTY of Power...

Страница 91: ...software 9 Before turn test please do make sure that the preheat time for compressor is 8h above and touch the compressor to see whether preheat is normal You can perform run test only after normal p...

Страница 92: ...rror Check the communication connection of ODU s main board and drive board When the error is eliminated start next step If power is off during troubleshooting then restart debugging from progress 01...

Страница 93: ...en the 2 small digits finally the error code e g L1 error occurs in no 101 IDU then the nixie tube will display 01 01 and L1 circularly Display method is the same for several IDUs with multiple errors...

Страница 94: ...n start next step 12_ Confirm debugging startup 12 AP Display circularly Ready for units to start debugging Press main board s SW3 button to confirm startup of debugging 2s later main board will displ...

Страница 95: ...than the high pressure saturation temp As for temp in heat mode it is within 65 90 149 194 and at least 10 50 higher than the high pressure saturation temp 3 Defrosting temp In cool mode defrosting t...

Страница 96: ...s below 35 95 IPM temp is lower than 80 176 and the highest temp won t be above 95 203 10 Fan motor s operating freq HZ Changes in 0 49Hz according to system s pressure 11 IDU parameters IDU ambient t...

Страница 97: ...pump function setting qd Blink ODU target of subcooling n1 Blink Defrosting period K 1 setting n2 Blink Setting of upper limit of IDU ODU capacity distribution ratio n3 Blink Compulsory defrosting n4...

Страница 98: ...of low pressure nU ON Clearing IDU remote shield Current status Blink Temperature in Fahrenheit Current status Blink Corrective value b for low discharge temperature Current status Blink Refrigerant...

Страница 99: ...o the master unit for 5min unit will exit and resume displaying the current status 9 2 Cool Heat Function Note Cool Heat Function is not available for Cooling only units Cool Heat Function only work f...

Страница 100: ...m will return to the previous step If SW4 is pressed when setting is finished system will resume displaying the current operation status Default setting is nA cooling and heating type Level B IDU Mode...

Страница 101: ...han 10s then all LEDs will blink for 5s All settings are cleared out including the IP addresses and project codes of IDU and ODU The mark for finished debugging remains the same iii When you only want...

Страница 102: ...GREE hotovoltaic Multi VRF for North America 100 MAINTENANCE...

Страница 103: ...IDU is abnormal LA For single control over multiple units IDU series is inconsistent dH PCB of wired controller is abnormal LH Alarm due to bad air quality dC Abnormal setting for capacity button LC I...

Страница 104: ...Drive module low temperature protection F8 Malfunction of water temperature sensor J0 Protection for other modules F9 Malfunction of jumper cap J1 Over current protection of compressor 1 FA Web addres...

Страница 105: ...r of heat exchanger P6 Drive IPM module protection of compressor bA Malfunction of oil return temperature sensor 1 P7 Malfunction of drive temperature sensor of compressor bH Clock of system is abnorm...

Страница 106: ...rage chip of inverter outdoor fan G8 Overcurrent protection at power grid side HH High voltage protection of fan s drive DC bus bar G9 Drive IPM module protection at power grid side HC Drive current d...

Страница 107: ...bus overvoltage protection at power grid side C6 Alarm because ODU quantity is inconsistent UH DC bus undervoltage protection at power grid side C7 Abnormal communication of converter UC Setting of ma...

Страница 108: ...ameters A8 Vacuum pump mode n8 Inquiry of project code of IDU AH Heating n9 Check quantity of IDU on line AC Cooling nA Heat pump unit AL Charging refrigerant automatically nH Heating only unit AE Cha...

Страница 109: ...ck whether indoor unit and outdoor unit is power supplied Energize indoor unit and outdoor unit Measure whether the communication wire is in normal Replace communication wire NO NO Check whether the c...

Страница 110: ...outdoor unit well E liminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completely Measure the circumstances of swing...

Страница 111: ...utdoor unit well Eliminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completely Measure the circumstances of swing mot...

Страница 112: ...fan can operate Cover the panel for outdoor unit well Eliminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completely M...

Страница 113: ...nsor Check whether plug of sensor is connected with socket correctly Confirm whether the plug is connected correctly Replace main board of outdoor unit YES NO Measure whether the output value DC volta...

Страница 114: ...ve PFC protection for compressor malfunction of drive temperature sensor for compressor circuit malfunction of drive current detection for compressor Wired controller displays P0 LED3 dual 8 nixie tub...

Страница 115: ...board Work normally no Replace compressor Work normally yes Adjust the sequence of wire for compressor Whether the wiring terminal for compressor is loose Connect the wires of compressor tightly yes n...

Страница 116: ...or PFC induction is correct Reinsert the wires for PFC Replace main board yes no Work normally 14 Malfunction of memory chip for inverter compressor LED3 dual 8 nixie tube displays PA Whether the memo...

Страница 117: ...es Adjust the sequence of wire for compressor Whether the wiring terminal of compressor is loose Connect the wires of compressor tightly yes no no Wired controller displays P1 16 High pressure protect...

Страница 118: ...al 8 nixie tube displays PP Replace main board Work normally 18 Communication malfunction between main contoller and driver of inverter compressor Wired controlled displays C2 LED3 dual 8 nixie tube d...

Страница 119: ...source file The main loop is showed by bold line line width 1mm the control loop is showed by slim line line width 0 2mm Power wiring board Filter plate Drive board Compressor Main control board Tempe...

Страница 120: ...nate the interference of power for protecting unit s anti interference capability and prevent the interference to other electric appliances IGBT Module Four IGBT Module are intergrated inside the Grid...

Страница 121: ...MV Y36WL A T U GMV Y48WL A T U GMV Y60WL A T U 4 Removal of Parts 4 1 Key parts Photo Name Function compressor Core part of air conditioning system It sucks low temperature and low pressure gas compre...

Страница 122: ...ys between discharge outlet of compressor and inlet of condenser It used for separating the lubricant oil of compressor when the high temperature and high pressure refrigerant gas is discharged from t...

Страница 123: ...on 4 2 Removal of key parts 4 2 1 GMV Y36WL A T U GMV Y48WL A T U GMV Y60WL A T U series unit Removal operation for panel Remark Before removing the panel please make sure that the unit is disconected...

Страница 124: ...ub assy Loose the screw fixing the front side plate with screwdriver Hold the front side plate upwards and then put it on the floor flatly 3 Remove front panel and grille Loose the screws fixing the f...

Страница 125: ...rocess Photo Operation Instruction 1 Remove electric box cover Disassemble the panel by referring to the removal method Use screwdriver to remove the electric box cover and then fix the screws 2 Remov...

Страница 126: ...ving the panel please make sure that the unit is disconected with the power Process Photo Operation Instruction 3 Remove reactor box Use screwdriver to remove all screws of reactor box and then take o...

Страница 127: ...ith the power Process Photo Operation Instruction 4 Assemble the unit Assemble the unit in the reverse sequence Removal operation for blade Remark Before removing the motor please make sure that the u...

Страница 128: ...sure that the unit is disconnected with the power Process Photo Operation Instruction 2 Remove blade Loosen nuts fixing the blade with wrench Then remove the blade and put it on the floor flatly 3 Re...

Страница 129: ...e removing the motor please make sure that the unit is disconnected with the power Process Photo Operation Instruction 4 Install motor Replace the motor tighten screws with screwdriver and then connec...

Страница 130: ...iring cover of compressor Loose screws fiixng the compressor with screwdriver Then pull out the power cord Note When removing the power cord make marks for different color power cords and correspondin...

Страница 131: ...no refrigerant inside the pipeline and the power is disconnected Process Photo Operation Instruction 3 Loose nuts fixing the foot of compressor Twist off the nuts for compressor with wrench 4 Remove...

Страница 132: ...esor fix the nuts at the bottom of compressor 6 Connect suction pipe and discharge pipe of copressor and pipeline of system again Weld the connection pipe of compressor connect the pipeline and compre...

Страница 133: ...ck whether the pipeline is connected well Check whetehr all parts and connection wires are connected well If there s no problem after checking install front and rear cover plates Removal operation for...

Страница 134: ...Disconnect the 4 way valve and connection pipeline Weld those 4 connection spots on 4 way valve and then pull out the connection pipe Note During welding process do not let the flae burn out other pa...

Страница 135: ...he pipeline Remove the coil of electroc expansion valve at first Weld the connection pipe for expansion valve and then pull out the connection pipe Note During welding process do not let flame burn ou...

Страница 136: ...peline of system and disconnect the power Process Photo Operation Instruction 1 Disconnect inlet pipe and exit pipe of gas liquid separator Weld those two connection spots on the gas liquid separator...

Страница 137: ...connected with gas liquid separator Fix the screws at the base of gas liquid separator well again Note During welding process do not let flame burn out other parts Removal operation for plate heat ex...

Страница 138: ...ant inside the pipeline of system and disconnect the power Process Photo Operation Instruction 2 Disconnect inlet pipe and outlet pipe of plate heat exchanger Weld those 4 connection spots on the plat...

Страница 139: ...nnect the power Process Photo Operation Instruction 4 Replace gas liquid separator Weld the pipe connected with plate heat exchanger Note During welding process do not let flame burn out other parts 2...

Страница 140: ...d separator Weld the pipe connected with plate heat exchanger Note During welding process do not let flame burn out other parts 5 Common Maintenance 5 1 Vacuum drying for the system 5 1 1 Selection re...

Страница 141: ...p the cacuum for 1h If 0 1 MPa vaccum degree still can t be reached repeat this operation unitl the water is drained out completely 2 After the vacuum pump is finished turn off the valve of governing...

Страница 142: ...ss of VRF system is the leak tightness of the pipeline for refrigerant which the guarantee for safe and reliable operation The leakage of refrigerant may affect the operation of air conditioner seriou...

Страница 143: ...rigerant system 2 Record the data on manometerk ambient temperature and test time at the same time 3 Pressure modification when temperature changes 1 the temperature will change 0 01MPa correspondingl...

Страница 144: ...36WL A T U GMV Y48WL A T U GMV Y60WL A T U Exploded view Parts list NO Name of Part GMV Y36WL A T U GMV Y48WL A T U GMV Y60WL A T U Product Code CN870W0210 CN870W0200 CN870W0190 Part Code Quantity 1 C...

Страница 145: ...ub Assy 39008000138G 1 15 Brushless DC Motor 1570410001310 1 16 Corrugated Pipe 035030000005 1 17 Drainage Joint 06123401 1 18 Front Grill 016004060002 2 19 Cabinet 01514100002P 1 20 Pressure Sensor 3...

Страница 146: ...onic Expansion Valve 07334390 1 43 Electric Expand Valve Fitting 4304413248 1 44 Plate Type Heat Exchanger 00904100017 1 45 4 Way Valve Coil 43048000018 1 46 Electrical Heater Compressor 7661410000101...

Страница 147: ...JF00303833...

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