Gree 2000 Bedienungsanleitung
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
2 Specifications and technical parameters...............................................................................................3
3 Part name ................................................................................................................................................4
4 Outline and installation dimension.....................................................................................................5-6
5 System schematic diagram.....................................................................................................................7
6 Electrical circuit diagram ......................................................................................................................7
7 Function manual and operation method of remote controller.......................................................8-21
9 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
1
1. Summary and features
Models Remark
3
2. Specifications and technical parameters
4
5
3. Part name
Indoor unit
Air in
Air out
Signal receiver
* When air conditioner is turned on by the 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
Guide louver
Power plug
Drainage hose
Big handle
Air outlet vent grill
Wireless remote
controller
6
4. Outline and installation 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
Ceiling
Right
Wall mounting plate
7
4.2. Outline and installation dimension of outdoor unit
Unit: mm
Above 60cm
Bolt
Nut
Spanner
8
5. System schematic diagram
Evaporator Cross flow fan
Refrigerant flowing direction
when heating
Refrigerant flowing direction
when cooling
One-way valve Filter
Main capillary
Auxiliary capillary
Axial flow fan
Condenser
Electromagnetic
four-way valve
Gas liquid separator Compressor
When powered on, indoor and outdoor unit will start to run. When the system operates in cool mode, the compressor sucks low-temperature,
low-pressure refrigerant gas from indoor evaporator, compresses it into high-temperature, high-pressure refrigerant gas and discharges it into outdoor
heat exchanger. 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 and low-pressure liquid and then flows into indoor heat exchanger. With the help of indoor unit
cross flow fan, the liquid becomes low-pressure refrigerant gas after it exchanges heat with indoor air. Such cycles are repeated continuously to
achieve cooling effect. When the system operates in heat mode, the four-way valve changes its way and the refrigerant flows into the reversed cycle
of the cool mode. The refrigerant discharges its latent heat indoor through the heat exchanger, and sucks heat from outdoor heat exchanger and forms
the heat pump cycle to achieve heating effect.
9
6. Electrical circuit diagram
These circuit diagrams are subject to change without notice. Please refer to the one supplied with the unit.
10
7. Function manual and operation method of remote controller
7.1 Temperature parameters
◆Room set temperature（Tset）
◆Room ambient temperature（Tamb）
◆Outdoor ambient temperature（Toamb）
◆Evaporator temperature（Teva）
◆ Surface temperature of heat exchanger copper pipe of outdoor unit Ttub1
◆ Surface temperature of heat exchanger copper pipe of indoor unit Ttub2
7.2 Fundamental functions
7.2.1 Cool mode
1. The condition and process of cooling
◆If Tamb≥Tset, COOL mode will act, the compressor, outdoor fan and indoor fan will run, and the indoor fan will run at the set
speed.
◆If Tamb≤Tset－2℃,the compressor will stop , the outdoor fan will delay 30sec to stop and the indoor fan will run at the set speed.
◆If Tset-2℃＜Tamb＜Tset, the unit will keep running in the previous mode.
Ambient temperature Tamb
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 valve will not be powered on and the temperature setting range is 16℃~30℃
2. Antifreezing protection
In COOL mode, when the antifreezing protection is detected, the compressor will stop and the outdoor fan will stop after 30sec. The
indoor fan and swing fan will keep running in the original mode. When antifreezing protection is eliminated, the unit will restart
automatically and enter into original running state.
7.2.2 DRY mode
1. The condition and process of dehumidifying:
◆If Tamb>Tset, DRY mode will act, the indoor fan, outdoor fan and compressor will run, and the indoor fan will run at low speed
◆If Tset-2℃≤Tamb≤Tset, the unit will keep running in the original mode.
◆If Tamb＜Tset－2℃,the compressor will stop, the outdoor fan will delay 30sec to stop and indoor fan will run at low speed.
Dieses Handbuch passt für folgende Modelle
2
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