Gree A Series User Manual

3
It is equipped with the top-end microcomputer control system which is capable of providing
well-rounded protection and self-diagnosis.
■ High reliability：
It is constructed of well-designed refrigeration parts and well-designed system, structure
and electric control, adequately guaranteeing reliable operation
■ Remote ON/OFF：
The unit can be started or stopped by the ON/OFF key operation.
■ Equilibrium running：
It indicates each compressor will run alternately so as to extend their service life.
■ Shiftwork of water pumps：
Two water pumps can work alternately with equilibrium runtime so as to extend their service
life and lower the maintenance difficulty.
3.1.4 Nominal Operating Conditions
Item
Water side Air side
Water flow m3/
（h·kW）
Outlet
temparature
（℃）
Dry bulb
temperature
（℃）
Wet bulb
temperature
（℃）
Cooling
0.172
7 35
—
Heat pump
45 7 6
3.1.5 Operation Range
Please run the unit under the specified operation range as shown in the table below:
■ R410A Series
Item
Water Side Air Side
Leaving Water
Temperature（℃）
Water Temperature
Difference（℃）
Ambient DB
Temperature（℃）
Cooling
5～20 2.5～6 –15～52
Heating
35～50 2.5～6 -20～40
maximum and minimum entering water pressures:
Item
Minimum entering water
pressures
Maximum entering water
pressures
Cooling
0.06MPa 1.6MPa
Heating
3.2 Unit Performance Curves
Here are curves indicating the unit performances in cooling and heating states.
A Series Modular-type Air-cooled (Heat Pump) Chiller

Gree A Series Specifications

General

Brand	Gree
Model	A Series
Category	Chiller
Language	English