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Gree 2000 Technical Service Manual 

 
 
 
 

Introduction 

 

 
This technical manual describes large amount of information regarding Gree 2000 type air conditioner, 
including pictures, technical parameters, explosive views, parts and components list and circuit diagrams etc. 
Engineers, service staff and dealers of Gree hold that this is the most convenient way to know more about 
the information of our product technology. 

 
 

Technical Service Department, Gree Electric Appliances, Inc. Of Zhuhai 

 

March, 2004 

 
 

Table of Contents

 

 

 

1 Summary 

and 

features ........................................................................................................................... 1 

Specifications and technical parameters............................................................................................... 3 

3 Part 

name ................................................................................................................................................ 4 

Outline and installation dimension.....................................................................................................5-6 

5 System 

schematic diagram ..................................................................................................................... 7 

6 Electrical 

circuit 

diagram ...................................................................................................................... 7 

Function manual and operation method of remote controller.......................................................8-21 

Explosive view and parts and components list ..............................................................................22-30 

8 Disassembly 

procedures ..................................................................................................................31-34 

10 Care 

and 

maintenance.....................................................................................................................35-36 

11 Installation guide..............................................................................................................................37-42 

12 Malfunction 

analysis........................................................................................................................43-45

 

 

Summary of Contents for KFR-32GW/NJ1F

Page 1: ...the information of our product technology Technical Service Department Gree Electric Appliances Inc Of Zhuhai March 2004 Table of Contents 1 Summary and features 1 2 Specifications and technical para...

Page 2: ...1 1 Summary and features Models Remark...

Page 3: ...3 2 Specifications and technical parameters...

Page 4: ...4...

Page 5: ...he wireless remote controller the run indicator is on green This light blinks while defrosting Air in Outdoor unit Air out Front panel Filter Purifier filter Operation switch Electric box cover LCD Gu...

Page 6: ...dimension 4 1 Outline and installation dimension of indoor unit Air inlet hole Right piping hole flag Piping hole flag Liquid crystal display and reception window Air inlet hole Rear view Left Ceilin...

Page 7: ...7 4 2 Outline and installation dimension of outdoor unit Unit mm Above 60cm Bolt Nut Spanner...

Page 8: ...anger With the help of axial flow fan the gas transfers its latent heat into outdoor air and becomes refrigerant liquid The liquid is throttled by throttling device and changes into low temperature an...

Page 9: ...9 6 Electrical circuit diagram These circuit diagrams are subject to change without notice Please refer to the one supplied with the unit...

Page 10: ...amb Set temperature Tset Tset 2 3 min Compressor Outdoor fan COOL mode will act Keep running in original state COOL mode will stop Indoor fan Run at the set speed Run Stop In this mode the reversal va...

Page 11: ...me and the indoor fan will run in anti cold wind mode If Tset 2 Tamb T set 5 the unit will keep running in the original mode If Tamb Tset 5 the compressor will stop the outdoor fan will delay 30sec to...

Page 12: ...e hidden set temperature is 25 If T amb Tset 2 the compressor and outdoor fan will stop the indoor fan will run at the set speed if Tset 2 Tamb Tset 1 the unit will keep running in the original mode I...

Page 13: ...ed and the guide louver runs in SWING mode The backlight is turned on If this is remote signal the unit will run according to remote signal When the wireless remote controller is used to select COOL m...

Page 14: ...ssor s running frequency The indoor fan run at low speed in FAN mode 4 Swing option Press the SWING button to control its ON and OFF Swing can only be activated when indoor fan is running 5 Buzzer Whe...

Page 15: ...louver starts to swing at the stated angle and stops when it is pressed again FAN button Each time this button is pressed fan speed will change in the following order AUTO FAN TEMP button Each time is...

Page 16: ...ribed below We are sorry for the inconvenience LCD It shows all selected contents SLEEP button Press this button once to set SLEEP operation and press it once again to exit SLEEP operation TIMER OFF b...

Page 17: ...perature is between 1 and 2 5 the compressor will stop the outdoor fan will stop after 30sec and the indoor fan will run at low speed If the fan is set at AUTO mode microcomputer of the remote control...

Page 18: ...erature is between 1 and 2 5 the compressor will stop the outdoor fan will stop after 30sec and the indoor fan will run at low speed If the fan is set at AUTO mode microcomputer of the remote controll...

Page 19: ...ill stop after 30sec and the indoor fan will stop immediately and start running at low speed after 5min In this mode the temperature setting range is 16 30 At this time the LCD appears green 3 Press t...

Page 20: ...standard temperature setting of HEAT mode is 20 1 After power on press the 1 0 button to set the air conditioner running 2 Press the MODE button to select AUTO mode and the microcomputer will select...

Page 21: ...operation mode Under turn off state press the TIMER ON button to set the timed turn on in range of 0 to 24 hours Under turn on state press the TIMER OFF button to set the timed turn off in range of 0...

Page 22: ...rature will be decreased by 1 in the first hour and decreased by 2 in the second hour Then the unit will run at this set temperature 4 Press the FAN button to set fan speed 3 Press the SWING button an...

Page 23: ...E Do not mix new and used or different types of batteries for use Take out the batteries if the wireless remote controller will not be in use for a long time The operation of the remote controller mus...

Page 24: ...off the three pieces of tapping screws Then use screwdriver to push up the clasp that is fixed into the panel body at its back inward and take off the front panel assy As shown in Fig 8 2 Front panel...

Page 25: ...r motor and stepping motor etc Then unclench the clasp that fixes the electric box on the rear case to take out the electric box As shown in Fig 8 4 Fig 8 4 8 1 3 Disassembling the water tray assy Scr...

Page 26: ...apping screws that fix the rear clamp and unclench the clasp that fixes it into the rear case to take off the rear clamp As shown in Fig 8 8 Screw off the tapping screws that fix the evaporator on the...

Page 27: ...the fixing screws on the right inside the cross flow fan with screwdriver to take out the motor enclosed by plastic Pay attention to the angle when the motor is installed As shown in Fig 8 12 Screw ou...

Page 28: ...ew off the 5 pieces of screws on the front side and 1 on the left side and take off the front panel with strength As shown in Fig 8 15 Fig 8 15 8 2 2 Disassembling the rear grill and right side plate...

Page 29: ...th strength As shown in Fig 8 18 Fixing nut Fig 8 18 Screw off the 4 pieces of tapping screws that fix the motor and unplug the lead wire insert of the motor to take it off As shown in Fig 8 19 Screw...

Page 30: ...otor to take out the electric box As shown in Fig 8 20 Screws Fig 8 20 8 2 5 Disassembling the reactor box and reactor Screw off the 3 pieces of screws between the reactor box and the base plate to ta...

Page 31: ...ces Fig 8 23 8 2 7 Disassembling the electromagnetic four way valve Screw off the fixing nut of the four way valve coil and remove the coil Wrap the four way valve with wet sponge and unsolder the 4 s...

Page 32: ...et cloth to avoid high temperature damage to the valve body Screw off the 2 pieces of bolts that fix the small valve and unsolder the solder joint between the capillary assy and the small valve to tak...

Page 33: ...33 9 Explosive view and parts and components list 9 Explosive view of indoor unit...

Page 34: ...34 9 2 Parts and components list of indoor unit The above date is subject to change without further notice...

Page 35: ...35 The above date is subject to change without further notice...

Page 36: ...36 9 3 Explosive view of outdoor unit...

Page 37: ...37 9 4 Parts and components list of outdoor unit The above data is subject to change without further notice Built in Built in...

Page 38: ...38 The above data is subject to change without further notice Built in Built in...

Page 39: ...ot water above 45 to prevent fade or deformation 3 Install the front panel Put the props on both ends of the panel into the fulcrum groove and then cover and clasp the panel cover well according to th...

Page 40: ...step of Cleaning the air filter 10 4 Check before season begins 1 Check if there is blockage in the inlet and outlet vent of indoor and outdoor unit 2 Check if the grounding wire is grounded reliably...

Page 41: ...use 2 Contact your local GREE special installation and maintenance department prior to installation Malfunction of air conditioner installed by none special department might be difficult to handle in...

Page 42: ...ed at a location where it is easy to get hold of 11 2 2 Outdoor unit 1 Select a location where the noise and flow of air exhaust will not affect your neighbors 2 Select a location with good ventilatio...

Page 43: ...pe hole sleeve 11 3 4 Installing the connecting pipe Connect the connecting pipe with the two outlet pipes of indoor unit and tighten the joint nut of the connecting pipe refer to Fig 11 6 Installing...

Page 44: ...r right side cut the tailing portion for piping left on the base plate of the main unit as shown in Fig 11 4 Cut off tailing 1 when only the power cord is led out Cut off tailings 1 2 when both the co...

Page 45: ...inal and fix it well Wire distribution must match with that of indoor unit 3 Fix the power connection cord and signal control cable with wire clip Then connect the corresponding connector properly 4 E...

Page 46: ...ightening the cover check if there is leakage in all connecting points by soup water or detector 10 If possible use vacuum pump to discharge the air in the unit through the one way valve Thin pipe Thi...

Page 47: ...of wireless remote control Check wireless remote control The power plug is not or poorly connected Check and insert the plug tightly Wrong wiring between indoor and outdoor unit Check the circuit acc...

Page 48: ...ed Clean the dust accumulated on the surface of the heat exchanger Leakage occurs between high and low pressure inside compressor Replace the compressor Partial blockage of capillary Replace the capil...

Page 49: ...enough Re wrap and make it tight Abnormal sound and vibration Fan of indoor unit contacts other parts Adjust fan location There is foreign substance in indoor unit Take out the foreign substance Compr...

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