All DC Inverter Multi VRF
In 2012, Gree highly promoted GMV5 All DC Inverter Multi VRF New breakthrough in comfort ability, intelligent control and design.
Eight prominent advantages More powerful product series series More excellent energy-saving effect More comfortable air quality More power product series More reliable performance More convenient project installation Safer operation More intelligent management Smarter network control
All DC Inverter Multi VRF 8 9 0 10 21 32 12 23 34 14 25 36 16 27 38 HP combination 1 8 64 ~ HP
64HP big capacity 1. Module 8~16HP 2. Module 18~32HP 3. Module 34~48HP 4. Module 50~64HP
64HP Wide Capacity Range 1 Module 64HP 8~16HP 2 Modules 18~32HP Max Capacity 3 Module 34~48HP 4 modules 50~64HP 64 HP 8HP
Ultra-low noise duct Ultra-low noise cassette High ESP duct type Low static pressure Duct One-way cassette Dual heat-source duct Floor ceiling Console Wall mounted Fresh air IDU 4-way cassette 11 kinds of indoor units for various places.
Eight prominent advantages More powerful product series More excellent energy-saving effect More excellent energy-saving effect More comfortable air quality More reliable performance More excellent energy-saving effect More convenient project installation Safer operation More intelligent management Smarter network control
System energy efficiency Exceed national grade 1 energy efficiency standard; energy-saving up to 59% GMV5 National grade 1 5.7 5.72 5.55 5.5 5.2 3.6 3.6 3.55 3.55 3.55 8HP 10HP 12HP 14HP 16HP
High-efficiency DC inverter compressor 64HP
DC inverter compressor control technology traditional torque control GMV5 torque control Max. output Output torque (Nt.m) Moment is not enough GMV5 torque control Traditional torque control Current of compressor(a)
DC inverter fan control technology T Efficiency is improved greatly Before T Now I Adopt DC inverter motor to realize 5Hz~65Hz stepless speed adjustment. Compared with common DC inverter motor, operation current and motor input power are much lower, while efficiency is improved greatly. I
DC Inverter Fan Control Technology Capacity output of inverter compressor 1 2 traditional notch adjustment GMV5 stepless speed adjustment 7 6 5 4 3 GMV5 DC inverter fan motor 65Hz Inverter fan s frequency traditional notch adjustment Low efficiency Big noise Bad reliability VS GMV5 stepless speed adjustment High efficiency Low noise Good reliability
Indoor unit adopts DC brushless motor Efficiency is increased above 30% by using DC brushless motor Stable operation; low noise; Lowest speed can reach 100r/min. Dynamic characteristic DC brushless motor Asynchronous motor
Intelligent defrosting technology defrosting defrosting defrosting Traditional defrosting mode Heating capacity Heating timer mode 8min 45min 8min 45min 8min defrosting Time Less comfortable! Low energy efficiency! Intelligent defrosting mode Heating capacity heating When there s frost detected by system, intelligent defrosting will be started up automatically When frost is over, the system Will stop defrosting automatically More comfortable! Specification is promoted!
Fan linkage control technology Normal multi VRF GMV5 multi VRF Unbalanced fan operation method; low energy efficiency Air volume is much even; high energy efficiency
Energy-saving operation control No need to connect remote control monitor system. During electricity the unit provided two kinds of energy-saving mode. limiting period, Operating cost Save up to 15% Save up to 20% ordinary mode energy-saving mode1 energy-saving mode2 operating mode
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality air quality More reliable performance More convenient project installation More comfortable air quality Safer operation More intelligent management Smarter network control
Comfortable temperature Working principle of Working common principle air conditioner of Inverter air conditioner temp Set temp The compressor Adjust the speed according IDU load Hot Cold start Cooling operation Operating time quick start Small temp fluctuations After reaching to set temperature, compressor will adjust the output according to indoor load to let indoor temperature stay at relative stable status and let you feel more comfortable.
Adjust indoor temperature automatically 35 26 26 26 When using traditional air conditioner for cooling, temperature at difference places in the room is the same, which let you feel uncomfortable the moment you enter the room.
Adjust indoor temperature automatically 35 28 27 26 Gree inverter air conditioner can adjust indoor temperature automatically according to ambient temperature for comfortable feeling.
Low noise control technology Quiet function for night; 9 modes for selection Day outdoor temperature is high Night operate at low load capacity % load % 45dB(A) operating sound db(a) Operate at rated load Low load operation; low noise
Quiet control technology Compulsory quiet function, as low as 45dB(A) Has set compulsory quiet mode Operation noise db(a)
Drying and reheating function When air conditioner operates under drying mode in wet seasons, air outlet temperature can be as low as below 10. At that time, after starting up the electric heater, air outlet temperature can be increased to more than 10. Drying operation Drying and reheating 15 9 Air outlet temperature
Fresh Function Fresh outdoor air flows through fresh indoor unit s heat exchanger, and comes into indoor rooms after being treated into proper status. Temperature will reached to design requirement, while it won t affect air quality. Air duct Fresh air indoor unit duct pipe Outdoor fresh air
Reminding function for cleaning filter Indoor unit is with reminding function for cleaning filter. According to different operation environments, you can set different clean period. 100 12 3 days Please clean
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality More reliable performance More convenient project installation More reliable performance Safer operation More intelligent management Smarter network control
Refrigeration oil circulating control technology two-stage oildispersing control technology First-class oil separator Adopt filter expansion valve Separating efficiency reaches to 98% Total oil-dispersing efficiency Second-class oil separator Separating the remaining 2% refrigeration oil; Separating efficiency reaches to 95% Patent(201120003910.7)
Refrigeration oil circulating control technology oil return control technology During oil-retuning operation, pressure is taken into consideration, which can improve the service life of compressor. High pressure sensor Indoor heat exchanger compressor Low pressure sensor EXV Indoor heat exchanger Before oil-retuning High pressure sensor Outdoor heat exchanger compressor Freezing oil Pressure control EXV Indoor heat exchanger During oil-returning Pressure control low pressure sensor
Refrigeration oil circulating control technology module oil-balancing control technology Judge operation status of module and compressor intelligently, calculate oilstorage volume of compressor and adjust operation status of compressor to realize the oil balance among modules. During oil-balancing Operation module Operation module Oil separator Oil separator
Refrigeration oil circulating control technology compressor oil- balancing control technology Suction pipe Control the oil level in oil pool and distribute the redundant oil in compressor to other compressors Discharge pipe Lowest oil level oil-balancing tube Oil-balancing Abundant oil
Refrigeration oil circulating control technology oil- storage control technology Due to the oil-storaging technology of compressor, the lowest oil level for operating the compressor can be controlled by judging parameters Controlling Outdoor heat exchanger Compressor Electronic expansion valve Indoor heat exchanger
Subcooling technology first class subcooling technology Adopt high-efficiency heat exchange loop to realize first class subcooling control for heat exchanger. Degree of subcooling can reached 11. High temp: 76 Mid temp:65 Low temp:50 Normal subcooling:44 before now GMV 5 subcooling:39
Subcooling technology second class subcooling control Realize second times subcooling for 9 by adopting overcooled loop Indoor unit Outdoor unit Overcooled loop
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality More reliable performance More More convenient project installation More convenient project installation Safer operation More intelligent management Smarter network control
Super long piping, no space-limiting Max total piping length 1000m(3280ft) Max actual piping length 165m (540ft) Max height difference between ODU and IDU 90m(300ft) Max piping length from first branch to the farthest IDU 40m(130ft)
Super high static pressure, no installation position limiting Outdoors :0Pa Mechanical floor: 80Pa 4 kinds of static pressure optional 0 30 50 80Pa For complicated construction structure requirement Note: The ex-factory defaulted static pressure is 0Pa
Super large capacity, no construction area limiting Application combination of module can reach to 4 modules at the most; selectivity of 180kW capacity is much big, which can satisfy all kinds construction design requirement.
Super long distance communication, no distance limiting MAX 1000m Common multi VRF MAX 1500m
The debugging is simple and convenient The debugging software can be connected into the outdoor unit or the indoor unit via Gree USB data converter. CAN bus line Portable computer USB data converter Connected to ODU Connected to IDU
Intelligent debugging for saving time functions
The wiring is simple and convenient b a abnormal a normal b b a b a Normal GMV
Maintenance window Maintenance window
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality Safer operation More reliable performance More convenient project installation Safer operation More intelligent management Smarter network control
Distinguish emergent shutdown and insufficient power supply Emergent shutdown ODU can be connected to fire alarm linkage signal, which can make the unit shut down in emergency Distinguish insufficient power supply When the power is supplied by dynamotor temporarily, the ODU will send insufficient power supply signal to IDU. At that time, air conditioning is only available for VIP rooms. Insufficient power supply Normal running VIP Room stop
Operation in emergency The module is operating in emergency malfunction Basic modules in emergency (18HP-64HP) When one of the basic modules is in malfunction, other basic modules can still operate in emergency, which greatly reduces the affect of malfunction.
Operation in emergency The compressor is operating in emergency malfunction Compressor in emergency (8HP-16HP) When one of the compressors is in malfunction, other compressors and systems in this basic module can still operate in emergency.
Operation in emergency The fan motor is operating in emergency malfunction Fan motor in emergency (Double fan motors) Some basic modules are designed with two fan motors. Gree unique control logic and optimized system design can make sure that the other fan motor can run in emergency when there is malfunction in one fan motor.
ODU modules installed without sequence 36HP is taken for example 12HP 8HP 16HP Do not distinguish master unit and slave unit Do not distinguish big and small Do not distinguish position 8HP 16HP 12HP 16HP 16HP 8HP 12HP 12HP 8HP
ODU operates circularly 1 2 3 0:00~8:00 8:00~16:00 16:00~24:00 Operate in modules, operate evenly and prolong lifespan
Wide operation range in high temp or low temp Solve heat island problem of concentrated installation of ODU Solve high temp problem of ODU in built-in installation or concentrated installation -10 55 27-20
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality More reliable performance More intelligent management More convenient project installation Safer operation More intelligent management management Smarter network control
Gate control function The unit works when inserting the card and stops when pulling out the card. When the unit stops, the unit records the running status and stops running; when inserting the card, the unit will run according to the memorized status, in stand-by status or in the running mode before pulling out the card.
One indoor unit with several control points The indoor unit can be connected to several wired controllers, which can achieve controlling one indoor unit in different control point. ON OFF Meeting room Management room
Central control of several indoor units Several indoor units can be connected to one wired controller to realize centralized control, maximum 16 indoor units 32 26 32 26 32 26 32 26
Controlled by remote controller and wired controller at the same time Remote controller is convenient and wired controller is with more functions. Gree unique control logic make it possible to control one IDU with remote controller and wired controller at the same time. Turn off the air con by remote controller; no need to get up.
Eight prominent advantages More powerful product series More excellent energy-saving effect More comfortable air quality More reliable performance Smarter network control More convenient project installation Safer operation More intelligent management Smarter network control control
The first to apply CAN network control technology in the industry Specification Normal GMV network GMV5 CAN network High reliability High communicatio n efficiency High compatibility Long communicatio n distance Software verification One of the indoor unit or outdoor unit is in communication malfunction, which may lead to crash of the whole network. Master-slave communication method, which will affect the response efficiency of slave unit; the utilization of bus line is low Communication efficiency is low, about 10Kbps Single master unit network, poor expansibility 1000m Hardware verification, high reliability The malfunction IDU or ODU will exit communication automatically, which will not affect the whole network. Multi master units communication way, the information of all units in the network will be fed back; the utilization of bus line is high IDU and ODU communication efficiency can reach 20Kbps, which is improved by 100%; data exchange is more quickly. Multi master units network, easy to extend new equipments, such as light, ventilation equipment, etc. 1500m
Communication speed is more quickly and more accurate GMV5 Normal CAN GMV network Low High response speed
High compatibility, leakage control of the building Detector of fire hazard Support leakage control of other equipments Support leakage control of other air conditioning equipments Light switch Emergency button Support control system of the building Connect to control of the building
More visualized operation platform The actual position of air con can be shown in the building, floor or room layout of the system interface, which can realize visualized management of the air con.
More visualized operation platform In the visualized interface of each area of the building, the running quantity, stopping quantity and malfunction quantity, etc. of the air con in this area can be calculated. Show the status of the concerned area Total air: 213 Running qty: 180 Stopping qty: 33 Malfunction qty: 0 Malfunction: 0
Multi management ways of air con Help to use and manage the air reasonably Independent/centralized control: The user can manage one or several equipments. ensure cancel
Multi management ways of air con GM office Independent monitoring and managing for VIP customers.
Flexible linkage control
Calendar management function 04 153 4 10 42 10 95 36 87 0 1 2 2 Year Month Week Day
Calendar management function Overtime management Dining management Calendar management of required time and area: Set timer on/off Set mode Set temperature Shielding Avoid waste of energy caused by forgetting turning of the air con office dining room meeting room Work noon Work overtime breakfast lunch dinner Work
Multi energy-saving modes Electricity limit mode: Calculate the electricity consumption; Set the electricity consumption limit: when the electricity consumption reaches the set value, remind or automatically control the air con to run in low electricity consumption. Economical mode: according to the characteristics of GMV, control the output load of ODU to keep it running in low electricity consumption. Electricity consumption of Room 1 has reached 80%
Energy visualized management function: Too much electricity consumption Too low set temp. 28 27 Not apparent cooling effect 2 1 2 5 5 5 4 2 8 1 7 8 4 5 2 2 2 1 1 4 5 6 6 3 3 2 6 7 8 9 2 1 2 4 4 5 7 8 7 5 4 2 1 2 3 2 1 8 5 2 1 5 2 5 4 4 4 1 5 2 7 4 8 5 7 5 4 4 6 2 7 1 8 2 2 3 3 2 1 7 8 5 4 2 5 1 4 5 8 4 7 4 5 8 4 7 1 2 5 1 3 3 2 2 1 4 4 2 2 1 4 All Dc Inverter multi VRF 2 1 2 4 4 5 7 8 7 5 4 2 1 2 3 2 1 8 5 Analysis of electricity consumption data 服务端 Service port
Energy visualized management function: Energy consumption Set temperature too low make out corresponding energy-saving policy according to the above situation 27 Service port Cooling effect is not apparent Make out energy-saving policy and control of that policy
Make out corresponding energy-saving policy according to the following situation Running time: screen out long-running air con Turn on the unit too early Turn off the unit too late: too much energy consumption due to forgetting turning off the air con Environment comfort: too much electricity consumption due to improper setting of temp. Electricity consumption/unit area electricity consumption: screen out the air con which consumes too much electricity
Multi air conditioning management way Adopt B/S system design to achieve powerful Web control function Management function of multi buildings Login function of multi users Monitoring function of Internet China U.S.A
Auto calculation of electricity Calculate the electricity automatically according to running time, mode, opening angle of electronic expansion valve, indoor ambient temperature, outdoor ambient temperature, etc.; provide detailed bill, running report and analysis report. 21 25 554 28 17 84 522 21 14 5 6 332 67 89 2 1 2 4 4 5 7 8 7 5 4 2 1 2 3 2 1 8 5 2 1 5 2 5 4 4 4 1 5 2 7 4 8 5 7 4 5 4 6 2 7 1 8 2 2 3 3 2 1 7 8 4 5 2 51 45 8 4 7 4 5 8 4 7 1 25 13 32 2 1 4 4 2 2 1 4 2 1 2 4 4 5 7 8 7 5 4 2 1 2 3 2 1 8 5
Calculate the electricity fee of each user reasonably User A Electricity fee User B User C User A User B User C Calculate the electricity fee of each user reasonably to avoid disputes
Thank you!