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 More power product series More powerful product series prominent advantages 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 HP ~ HP 8 1 0 1 2 1 4 1 6 1 8 64 combination 9 2 1 2 3 2 5 2 7 0 3 2 3 4 3 6 3 8
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 8~16HP 64HP 2 Modules 18~32HP Max Capacity 64 HP 3 Module 34~48HP 4 modules 50~64HP 8HP
Low static pressure Duct Ultra-low noise duct High ESP duct type Ultra-low noise cassette Floor ceiling Console One-way cassette Dual heat-source duct Wall mounted Fresh air IDU 4-way cassette 11 kinds of indoor units for various places.
Eight More powerful product series prominent advantages 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 5.72 5.72 5.7 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 Max. output GMV5 torque control Output torque Moment is not enough GMV5 torque control （ Nt.m ） Traditional torque control Current of compressor （ A ）
DC inverter fan control technology Efficiency is improved greatly Now Before T T I 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.
DC Inverter Fan Control Technology traditional notch adjustment 65Hz ··· ··· Capacity output of inverter compressor GMV5 stepless speed adjustment 7 6 5 4 VS 3 2 1 GMV5 stepless speed adjustment traditional notch adjustment Low efficiency Inverter fan’s frequency High efficiency Big noise GMV5 DC Low noise inverter Bad reliability Good reliability fan motor
Indoor unit adopts DC brushless motor Efficiency is increased above 30% by using DC brushless motor Stable operation; low noise ； Lowest speed can reach 100 r/min . Dynamic characteristic DC brushless motor Asynchronous motor
Intelligent defrosting technology defrosting defrosting defrosting Traditional defrosting mode capacity Heating —— timer mode Heating Less comfortable! Low Time energy efficiency! 8min 45min 8min 45min 8min defrosting Intelligent defrosting mode capacity Heating heating More comfortable! Specification is promoted! When there’s frost detected by system, When frost is over, the system intelligent defrosting will be Will stop defrosting automatically started up automatically
Fan linkage control technology Normal multi VRF GMV5 multi VRF Unbalanced fan operation method; low Air volume is much even; high energy efficiency energy efficiency
Energy-saving operation control No need to connect remote control monitor system. During electricity limiting period, the unit provided two kinds of energy-saving mode. Operating cost Save up to 15% Save up to 20% operating mode ordinary mode energy-saving mode1 energy-saving mode2
Eight More powerful product series prominent advantages More excellent energy-saving effect More comfortable air quality More comfortable air quality More reliable performance More convenient project installation More comfortable air quality Safer operation More intelligent management Smarter network control
Comfortable temperature The compressor Adjust the speed according IDU load temp Working principle of Hot common air conditioner Working principle of Inverter air conditioner Set temp Cold start Cooling operation Operating time Small temp quick start 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 Night — operate at temperature is high low load capacity % load % operating sound dB(A) 45dB （ A ） Operate at rated load Low load operation; low noise
Quiet control technology 45dB （ A ） Compulsory quiet function, as low as 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 15 9 Air outlet temperature ℃ Drying and reheating
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. duct pipe Air duct Fresh air indoor unit 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. 1 days …days 100 days 2 days 3 days Please clean
Eight More powerful product series prominent advantages More excellent energy-saving effect More comfortable air quality More reliable performance 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 oil- dispersing control technology Total oil-dispersing efficiency Second-class oil separator First-class oil separator Separating the remaining 2% Adopt filter expansion valve refrigeration oil; Separating efficiency Separating efficiency reaches to 98% 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 Before oil-retuning EXV Indoor heat exchanger Low pressure sensor High pressure sensor Outdoor heat exchanger compressor Pressure control EXV During oil- returning… Freezing oil Indoor heat exchanger Pressure control low pressure sensor
Refrigeration oil circulating control technology — module oil-balancing control technology Judge operation status of module and compressor intelligently, calculate oil- storage 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 Discharge pipe redundant oil in compressor to other compressors 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 Outdoor heat …… Controlling 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 ℃ GMV 5 subcooling ： 39 ℃ before now
Subcooling technology — second class subcooling control Realize second times subcooling for 9 ℃ by adopting overcooled loop Outdoor unit Indoor unit Overcooled loop
Eight More powerful product series prominent advantages More excellent energy-saving effect More comfortable air quality More reliable performance More convenient project installation More convenient project installation More convenient project installation Safer operation More intelligent management Smarter network control
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