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Gree GMV-Pdhm1800W4/Na-M, Installation And Operating Instruction Manual, Page: 71 / 96

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Gree GMV-Pdhm1800W4/Na-M Installation And Operating Instruction Manual Download Page 71

 69

Operating Principle of Muti-split and Heat-recovered Air-Conditioning Unit 

air which needs to cool; Refrigerants through refrigerant heat exchanger from high-pressure pipe exchanges 

heat with indoor air which needs to heat, which makes the purpose of heating of indoor unit realized. At last, 

all refrigerant through low-pressure gas pipe returns into compressor for next work circularly for air 

conditioning. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for GMV-Pdhm1800W4/Na-M

Page 1: ...anual This Manual is applicable to following outdoor units Basic Model GMV Pdhm224W Na M GMV Pdhm280W Na M GMV Pdhm335W Na M GMV Pdhm400W Na M GMV Pdhm450W Na M Combined Model GMV Pdhm504W2 Na M GMV P...

Page 2: ...it 14 Connection of Indoor and Outdoor Units 25 Communication of the System 44 Notice for Project Installation 64 Installation Guideline for Air Conditioner Unit Filling of Refrigerants and Test Run 6...

Page 3: ...the main power switch shall be put to ON position 8 hours before start Upon receiving STOP signal from each indoor unit the fan of related indoor unit will continue to work for 20 70 seconds for purp...

Page 4: ...mperature 25 55 C Main switch provided by end user main switch handle should be black or gray and it can be locked in OFF position with padlock The main disconnection device should be explained in use...

Page 5: ...e human injury or death z To ensure proper drainage the drainage pipe shall be correctly installed according to installation instructions Take proper measures for heat preservation to prevent condensi...

Page 6: ...n accordance with the local applicable regulations and standards Maximum concentration level The maximum charge of refrigerants and the calculation of the maximum concentration of refrigerants is dire...

Page 7: ...t piping total amount of refrigerants 1b in the system NOTE Where a single refrigerant facility is divided into 2 entirely independent refrigerant systems then use the amount of refrigerants with whic...

Page 8: ...the situations where the result exceeds the maximum concentration level and where the installation of a facility encounters problem then it will be necessary to revise the system Please consult your G...

Page 9: ...with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible...

Page 10: ...ive goods exist or flammable or explosive gas might leak Do not install at a place where there are corrosive gas severe dust salty fog smoke or heavy moisture Select Installation Location of Outdoor U...

Page 11: ...line for air conditioning Please do not pull the power cord violently All electrical installation shall be carried out by professional technicians in accordance with the local laws and regulations Th...

Page 12: ...Pdhm1180W3 Na M 380 415 3 50 125 70 0 70 0 5 GMV Pdhm1250W3 Na M 380 415 3 50 125 70 0 70 0 5 GMV Pdhm1300W3 Na M 380 415 3 50 125 70 0 70 0 5 GMV Pdhm1350W3 Na M 380 415 3 50 125 70 0 70 0 5 GMV Pdhm...

Page 13: ...it might cause risk of electric shock Installation of earth resistance should be in accordance with local standards The user power supply shall have reliable grounding terminal It is prohibited to con...

Page 14: ...16 0 100 80A 100 50 0 25 0 125 100A 125 70 0 35 0 Note Specific parameters can be revised according to conditions and laws of users country Circuit breakers are closed in normal condition which are f...

Page 15: ...13 1 5 1 5 22 25 28 32 36 ultra thin duct units 10 1 0 1 0 40 45 50 ultra thin duct units 13 1 5 1 5 56 63 71 ultra thin duct units 16 2 5 2 5 Noise Control Install the unit at a well ventilated plac...

Page 16: ...nsulate noise and prevent vibration Ensure that the wind and noise from the unit will not affect your neighbors Outdoor unit must be lifted by using des ignated lifting hole Take care to protect the u...

Page 17: ...15 Installation of Outdoor Unit Outline Dimension of GMV Pdhm335W Na M GMV Pdhm400W Na M GMV Pdhm450W Na M unit mm...

Page 18: ...Na M GMV Pdhm450W Na M unit mm 3 To handle the outdoor unit enough length of two ropes must be used on four directions To avoid displacement of unit center the angle of the ropes must be kept lower t...

Page 19: ...17 Installation of Outdoor Unit 40 4 During installation tighten the support and base of the unit by using M12 screws...

Page 20: ...data of single unit GMV Pdhm224W Na M GMV Pdhm280W Na M Outdoor Unit Electric box and exit are on this side Air Outlet GMV Pdhm335W Na M GMV Pdhm400W Na M GMV Pdhm450W Na M 2 Clearance data of multipl...

Page 21: ...are on this side Requirements for mounting space dimensions of single fan three module and double fan double module outdoor units Air Outlet Air Outlet Electric box and exit are on this side Electric...

Page 22: ...kept open and free of any obstructions In case that the front side and left side or right side of the outdoor unit is open space the unit shall be installed in the same direction No restriction to wa...

Page 23: ...ted to install the unit in the same direction No restriction to wall height e to another outdoor unit beside Max Four machines in line Front side Back side Back side Front side In case there are walls...

Page 24: ...n into consideration when installing the outdoor unit To prevent the snow from covering air supply outlet and air return inlet it is required to use protective covers on them and use a higher foundati...

Page 25: ...Concrete proportioning Cement sand stone 1 2 4 Meanwhile 10 pieces of 10mm reinforced steel bars shall be placed every 30mm 2 Level the foundation surface with mortar and chamfer the sharp edge 3 It i...

Page 26: ...ring 2 Connect the power cable with the terminal marked L1 L2 L3 N and earthing screws 3 Fix the cables with cable clamp Connection of Distribution Communication Line 1 Open the electric box on outdo...

Page 27: ...2H 2 Allowable Length and Height Differences of the Connecting pipes between the Indoor and Outdoor Units R410A refrigerant system Allowable m ft value Fitting pipe Total length actual length of fitt...

Page 28: ...h piping of outdoor unit and indoor unit Connection branch piping between outdoor units Connection piping between branch pipes of outdoor units Branch piping between indoor units Connection pipe betwe...

Page 29: ...of the branch piping between modules and outdoor unit shall be selected based on the diameter of the connection pipe of basic module outdoor unit The diameter of the connection pipe of basic module o...

Page 30: ...GMV Pdhm615W2 Na M GMV Pdhm280W Na M GMV Pdhm335W Na M 15 9 28 6 28 6 GMV Pdhm680W2 Na M GMV Pdhm280W Na M GMV Pdhm400W Na M 15 9 34 9 28 6 GMV Pdhm730W2 Na M GMV Pdhm280W Na M GMV Pdhm450W Na M 19 1...

Page 31: ...Na M 19 1 41 3 34 9 GMV Pdhm1350W3 Na M GMV Pdhm450W Na M GMV Pdhm450W Na M GMV Pdhm450W Na M 19 1 41 3 34 9 GMV Pdhm1410W4 Na M GMV Pdhm280W Na M GMV Pdhm280W Na M GMV Pdhm400W Na M GMV Pdhm450W Na...

Page 32: ...main pipes from outdoor unit to the first branch pipe of indoor unit The max diameter shall not be more than 54 1mm If outdoor unit is a module parallel system and if the length of the first branch pi...

Page 33: ...pes FQ04Na A FQ03Na A FQ02Na A and FQ01Na A can be directly connected to indoor unit and other branch pipes can not be directly connected to indoor unit Branch pipe FQ03Na A can not be used for connec...

Page 34: ...nit and other branch pipes can not be directly connected to indoor unit Branch pipe FQ03Na A can not be used for connection of two or more indoor units with capacity more than 56 including 56 C For in...

Page 35: ...piping to indoor unit is longer than or equal to 10m a bigger pipe shall be used as liquid pipe from the branch piping to indoor unit 7 The oil balance pipe installation between basic models When the...

Page 36: ...imensional Diagram of valves Cut off valve of liquid pipes Cut off valve of high pressure gas pipes Cut off valve of low pressure gas pipe Cut off valve for equalized oil pipe Cut off valve for Gas li...

Page 37: ...n and fabrication of oil trap a The oil trap may be fabricated into U type or return type b If outdoor unit is below indoor unit it is not needed to install oil trap on the vertical pipe of low pressu...

Page 38: ...han indoor unit e Fabrication dimension of oil trap is as shown below A B mm C mm mm inch 19 0 3 4 34 150 22 2 7 8 31 150 25 4 1 1 45 150 28 6 9 8 45 150 34 9 11 8 60 250 38 1 12 8 60 350 41 3 13 8 80...

Page 39: ...close to the manhole or return air inlet Notes The precondition for installation close to return air inlet is that it will not affect the normal air inlet of the unit and can ensure repair of the comp...

Page 40: ...the installation site of mode exchanger is far from the manhole of indoor unit due to construction structure the mode exchanger must be provided with a manhole separately 5 2 Dimensions Data The dime...

Page 41: ...nents C The distance of the component to the indoor unit along the pipe shall not be higher than 5000mm D The component shall be installed in a straight line to the inlet pipe and branch pipe See sche...

Page 42: ...on of Outlet Pipe with Indoor Outdoor Unit See the below for the torque required to tighten the nuts Align the expansion end of copper pipe with the center of threaded joint Tighten the flaring nuts w...

Page 43: ...nd pipe never pull the big and small joint of indoor unit with force so as to prevent the capillary tube or other tubes of indoor unit from cracking and causing leakage 2 Connecting pipe shall be supp...

Page 44: ...ipe Space between branch pipes must be kept at 800mm or more Space between two bending points shall be kept at 800mm or more Space between branch pipe and bending point shall also be kept at 800mm or...

Page 45: ...of the drainpipe the drainpipe shall be separated from connecting pipe and cable Wrap the heat preservation tape so that each ring of tape shall press half of the previous ring Fix the wrapped pipe on...

Page 46: ...1 All of the communication ways are 485 communication 2 Indoor units network Dual core twisted pair lines whose ends are three pin XH plug are applied in the communication between outdoor units indoor...

Page 47: ...directly connect to previous pinboards Connection of communication lines 1 Connection for communication lines of indoor units and outdoor units 1 1 By directly connecting pinboards of outdoor units an...

Page 48: ...are greater than 16sets and less than or equal to 32 sets When the Qty of indoor units are greater than 16sets and less than or equal to 32 sets the indoor units that each pinboard connects cannot exc...

Page 49: ...for outdoor units is two or above and the Qty of indoor units is less than or equal to 16sets One communication line connecting pinboard of one of outdoor modules is enough for communication of all i...

Page 50: ...than or equal to N 16 When the Qty of indoor units is less than or equal to N 16 there is no need for extra pinboards The Qty of indoor units that each pinboards connects should less than or equal to...

Page 51: ...When the Qty of indoor units is greater than N 16 the extra pinboards should be added The Qty of adding pinboards is total indoor units N 16 16 The Qty of indoor units that each pinboards connects sho...

Page 52: ...ts indoor units can be connected But the actual Qty of indoor units is 45 sets in this project so one pinboard should be added 45 32 16 0 81 2 Connection of communication lines between indoor and outd...

Page 53: ...51 Communication of the System Communiation line 1 of indoor units Communiation line 2 of indoor units Communication among different pinboard is prohibited...

Page 54: ...ation interface in mainboard is CN16 Communication Address Setting Communication address setting includes address setting of indoor units address setting of wired controller communication address sett...

Page 55: ...units 1 Indoor units connected with a same pinboard whose address can be set as 1 16 but addresses cannot be reduplicative 2 Addresses of indoor units connected with different pinboard can be the sam...

Page 56: ...orresponding Pins of the 8 Bit 4 Bit DIP Switch 4 3 2 1 Allocated Address 4 3 2 1 Allocated Address 0 0 0 0 1 1 0 0 0 9 0 0 0 1 2 1 0 0 1 10 0 0 1 0 3 1 0 1 0 11 0 0 1 1 4 1 0 1 1 12 0 1 0 0 5 1 1 0 0...

Page 57: ...ode E6 will be displayed 3 Module Qty Setting of Outdoor Units When there is module combination system in outdoor units each module in the same cooling system has to set the Qty of module combination...

Page 58: ...Communication of the System 4 Qty code of each module should be the same The Qty code in this example is 3 Qty code of each module should be the same The Qty code in this example is 3 Module Qty code...

Page 59: ...be 1 2 3 If the total modules in the same cooling system is 2 module sequence must be 1 2 If the total modules in the same cooling system is 1 module sequence must be 1 Module address code is in SW3...

Page 60: ...58 Communication of the System Address code of each pinboard is SA1 Each pinboard address cannot be reduplicative and address codes in this example are 1 2 3...

Page 61: ...OFF 4 This code is valid when the module address of mainboard is 0 and it should be the same as the module Qty which is connected with the complete unit The code is set when on site installation Code...

Page 62: ...n Addre ss 2 1 ON ON 1 ON OFF 2 OF F ON 3 Fan Board fan address 1 2 ON S2 or S1 OF F OFF 4 The code shall be increased from 0 and there is no requirement for sequence and each module is independent Th...

Page 63: ...output 4 communication interface of drive plate 5 Not Used 6 communication interface of pinboards 7 communication interfaces of other modules 8 Status LED 9 Low pressure sensor 10 high pressure sensor...

Page 64: ...e capacity code 29 module Qty code 30 module address code 31 Not Used 32 Not Used 33 Not Used 34 button 1 35 button 2 36 button 3 37 quick test vent 38 overcurrent protection switch 39 Not Used 40 hig...

Page 65: ...63 56 4 way valve A 57 power input of mainboard...

Page 66: ...form to requirements in following table to ensure safe project and prevent condensate attaching to heat insulating pipe dropping Connecting Pipe mm External diameter Thickness of heat insulator mm 6 3...

Page 67: ...orrect force moment Sign Blocka ge of expansion valve or capillary No cold air or hot air Lube oil is aging Malfunction of compressor Blockage of expansion valve or capillary No cold air or hot air Lu...

Page 68: ...wing Fig 4 After confirming that there is no leakage from the system when the compressor is not in operation charge additional R410A Refrigerants with specified amount to the unit through the filling...

Page 69: ...be burned out Has the unit been safely grounded Risk of electrical leakage Are the models of lines in conformity with requirements The unit may break down or the components may be burned out Are there...

Page 70: ...dhm400W Na M GMV Pdhm450W Na M If different indoor units perform cooling and heating operation at the same time the appliances will enter heat recovery operation which will save energy consumption Onc...

Page 71: ...frigerants through refrigerant heat exchanger from high pressure pipe exchanges heat with indoor air which needs to heat which makes the purpose of heating of indoor unit realized At last all refriger...

Page 72: ...three modular outdoor units and multiple indoor units Each of indoor unit equips a mode exchanger The indoor unit can be of cassette type and ducted type The ducted type indoor units can be controlled...

Page 73: ...blockage Check the grounding wire to confirm the grounding is reliable it shall be done by professionals Check the batteries of the remote controller to see if they shall be replaced Check if air fil...

Page 74: ...reclaiming processing program To enter refrigerant recovery mode KEY3 on 1 module mainboard shall be pressed persistently for 5 seconds and then all indoor units will work automatically under cooling...

Page 75: ...tch of the module And then repeat Step 2 on the next module Shut off valve on high pressure gas piping Shut off oil equalized valve Shut off gas liquid separator Low pressure refrigerant circulating v...

Page 76: ...immediately and power supply of the unit shall be switched off immediately Refrigerant reclaiming finishes Note When the system is executing refrigerant reclaiming program you can press KEY3 on 1 modu...

Page 77: ...of remote controller are weak Replace with new batteries Unit does not run at all The control distance is too far for the remote controller The distance shall be within 8m Unit operates for a while an...

Page 78: ...n Flowing sound of gaseous refrigerant in the unit Hissing is heard when starting and shutting down the unit Sound as a result that the flow of gaseous refrigerant stops Continuous light hissing durin...

Page 79: ...2 coil middle sensor error F6 System 2 coil exit sensor error F7 Inverter Digital exhaust temperature sensor error F9 Fixed frequency compressor 1 exhaust temperature sensor error F8 Fixed frequency c...

Page 80: ...ent protection E5 Undervoltage protection DC input voltage too low E5 Failed to start E5 PFC abnormality E5 Compressor clogged E5 Drive module reset IPM module reset E5 Open phase tripping E5 Fault fr...

Page 81: ...LED4 LED3 LED2 LED1 Display of wired remote controller Other modules are at fault and failure free modules display No display Forcible cooling TEST Forcible heating TEST Forcible stop TEST Defrost MEL...

Page 82: ...te Cooling and Heating mode includes principle cooling mode principle heating mode and heat recovered only mode Rated Work Conditions of the Unit Condition at the Indoor Side Condition at the Outdoor...

Page 83: ...0 114 302 0 Cooling kW 5 5 7 5 9 23 Power Input Heating kW 5 8 7 7 9 38 Cooling W W 4 07 3 73 3 63 COP Heating W W 4 31 4 09 4 00 ECOP Cooling Heating W W 6 8 6 5 Capacity Control 20 100 14 100 14 10...

Page 84: ...Control 10 100 10 100 Type Hermetically sealed scroll type Compressor NO 3 3 Air Flow Rate m 3 min 232 Dimensions H W D mm 1670 1340 770 Package Dimensions H W D mm 1850 1420 850 Net Weight kg 402 402...

Page 85: ...W W 4 19 4 09 4 04 Capacity Control 9 100 8 100 7 100 Type Hermetically sealed scroll type Compressor NO 4 4 5 Air Flow Rate m 3 min 190 190 190 232 Dimensions H W D mm 1670 930 770 1670 930 770 1670...

Page 86: ...W W 4 05 3 77 3 93 Capacity Control 6 100 6 100 6 100 Type Hermetically sealed scroll type Compressor NO 5 5 6 Air Flow Rate m 3 min 190 232 232 232 Dimensions H W D mm 1670 930 770 1670 1340 770 1670...

Page 87: ...3 78 3 60 4 06 Capacity Control 5 100 5 100 5 100 Type Hermetically sealed scroll type Compressor NO 6 6 7 Air Flow Rate m 3 min 232 232 190 190 232 Dimensions H W D mm 1670 1340 770 1670 1340 770 167...

Page 88: ...3 86 Capacity Control 5 100 5 100 4 100 Type Hermetically sealed scroll type Compressor NO 7 8 8 Air Flow Rate m 3 min 190 190 232 190 232 232 190 232 232 Dimensions H W D mm 1670 930 770 1670 930 77...

Page 89: ...3 72 Capacity Control 4 100 4 100 4 100 Type Hermetically sealed scroll type Compressor NO 8 9 9 Air Flow Rate m 3 min 190 232 232 232 232 232 232 232 232 Dimensions H W D mm 1670 930 770 1670 1340 77...

Page 90: ...acity Control 4 100 3 100 3 100 Type Hermetically sealed scroll type Compressor NO 9 10 10 Air Flow Rate m 3 min 232 232 232 190 190 232 232 190 190 232 232 Dimensions H W D mm 1670 1340 770 1670 1340...

Page 91: ...3 67 Capacity Control 3 100 3 100 3 100 Type Hermetically sealed scroll type Compressor NO 11 11 11 Air Flow Rate m 3 min 190 232 232 232 Dimensions H W D mm 1670 930 770 1670 1340 770 1670 1340 770...

Page 92: ...ischarge Gas mm 41 3 41 3 41 3 Piping Connections Oil Balance mm 12 7 12 7 12 7 Number of Max Connectable Indoor Unit 80 80 80 Ratio of the Connectable Indoor Unit 50 135 Recommended Power Cord mm2 NO...

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Page 96: ...s product has to be disposed at an authorized place for recycling of electrical and electronic appliances GREE ELECTRIC APPLIANCES INC OF ZHUHAI Address Jinji West Road Qianshan Zhuhai Guangdong Tel 0...

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