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MGA3000/E1 Outdoor Cabinet Air Conditioner Refrigeration Product Self-developed for Cabinet
1.Introduction
1.1. Preface
This manual introduces the guide for the installation, operation, function and routine maintenance of
the cabinet air conditioner. Please read carefully the manual before using and follow the usage and note.
Note: All the operations of this product shall be performed by professional engineers.
1.2. Product introduction
The air conditioner is one kind of refrigeration product self-developed for cabinet. It is applicable in
the place where the cabinet internal heat is very large, the internal electronic equipment is sensitive to the
environment temperature and which should be isolated internally and externally completely. This product
has multiple functions, high reliability, and has the feature that it can start to work without complex
debugging after powering.
The fan in the internal cycle air path absorbs the hot air from the upside to make air heat exchange
by evaporator fins, and sends the cooled air from the downside of the air conditioner. By so, the air in
cabinet can cycle to achieve the purpose of lowering the temperature. Meanwhile, The fan in the external
cycle air path absorbs the external cold air from the downside, and discharges the hot air from the upside
after heat exchange.
2. Product parameter
2.1. Product technology parameters
Item
Name
Unit
Parameter
Dimension and installation
Body outline dimension (widthheightdepth)
mm
784*619*245
Outline dimension including
mm
/
flange (widthheightdepth)
Weight
Kg
40
Installation method
Floor Mounted
Installation method
Outdoor
Environment and protection
Working environment temperature
°C
-40 to +55
Noise
dB(A)
65
Life expectancy
Years
>10
IP grade
IP55
Refrigerant
R134a
ROHS certification
yes
Input voltage range
220±15%VAC/50Hz
Performance
Refrigerating capacity (L35/L35)
W
3000
Rated Refrigerating input power (L35/L35)
W
1280
Rated Refrigerant current (L35/L35)
A
5.8
Maximum Refrigerating current
A
8.5
Heat capacity (optional)
W
1000
Air volume of Inner Circulation
M3/h
900
2.2. Installation diagram
Note: the installation diagram is just for reference, the specific installation scheme should be
determined according to the environment of the actual usage
3. Preparation and installation
3.1. Removing package and checking
1. Please prepare installation tools: knife and scissors, and wear protective gloves.
2. Please remove wrapping film and packing belt, then remove the carton, take out the air
conditioner.
3. Please check the attachment list and accessory bags in the carton, check whether the air
conditioner model is right.
Notes:
1. After removing the outer package, please make sure that the air conditioner is placed
upright , and not placed horizontally or upside down.
2. After removing the outer package, please check carefully whether the appearance of the air
conditioner is damaged or oil polluted, if the appearance of the air conditioner has obvious
deformation or oil stain, please contact the manufacturer in time.
3. If there is no need to install the product immediately or it needs to be transported to other
place, please repack the air conditioner after the checking.
4. It is recommended to recycle the unpacking materials.
3.2. Mechanical installation
Installation tool: Phillips screwdriver
Installation Steps:
1) Choose cut location on the cabinet according to the holing diagram, remove the shadow
area and make the installation hole.
2) Make air conditioner flange close to cabinet door, Fix the air conditioner on the installation
surface of the cabinet firmly with M5 screws.
3) Check whether air conditioner is installed levelly and firmly.
Notes:
1) Check whether air conditioner drainage loop is smooth, in case that drainage is blocked.
2) When determine the location of the installation hole in the cabinet, you should avoid the inlet
and outlet air ports inside the cabinet are not blocked by any components inside the cabinet, and
the two should be kept a horizontal distance of more than 150mm; otherwise, it is prone to lead
to r short circuit of the return air, and poor cooling effect, etc.;
3) Carrying or moving the air conditioner should be careful to avoid colliding it and scratching
its surface coating;
3.3. Electrical installation
(1) Power input port
Item
Port
Definition
Live
L
Power input cable L
Null
N
Power input cable N
Earth
PE
Earth line
(2) Alarm output and signal input port
Item
Port
Definition
+ RS485 communication interface
RS485A
RS485 communication ports (+)
- RS485 communication interface
RS485B
RS485 communication ports (-)
The public alarm dry nod (NO)
NO
It is normally open if no alarm
The public alarm dry nod (COM)
COM
Common port
The public alarm dry nod (NC)
NC
It is normally close if no alarm
4. Product function
4.1. Cooling
When the temperature inside cabinet is higher than refrigeration starting temperature, it starts
refrigerating; when the temperature inside cabinet is lower than refrigeration stopping temperature, it
stops refrigerating.
Parameter
Default value
Setting range
Unit
Note
Refrigeration starting temperature
32
[20~40]
°C
Refrigeration stopping temperature = Refrigeration starting temperature - Refrigeration return difference
Refrigeration return difference
5
[3~10]
°C
4.2. Heating(Optional)
When the temperature inside cabinet is lower than heating starting temperature, it starts heating;
when the temperature inside cabinet is higher than heating stopping temperature, it stops heating.
Parameter
Default value
Setting range
Unit
Note
Heating starting temperature
5
[-10~15]
°C
Heating stopping temperature = Heating starting temperature + Heating return difference
Heating return difference
10
[3~15]
°C
4.3. Remote monitor
Air conditioner has an RS485 communication interface, supporting MODBUS- RTU communication
protocol.The air conditioner communicates with the upper monitor through the RS485 communication
interface. Or users can check the air conditioner’s running state by viewing the display screen directly and
change its running parameters.
4.4. The control of external fan (Optional)
According to the optional requirement, the external fan (Hydrogen discharge / emergency fan)19
automatically realizes cycle hydrogen discharging and emergency ventilation function.
Hydrogen discharge function(Optional):When hydrogen discharge cycle comes, air conditioner start
the hydrogen discharge fan, the control switch closes.
Parameter
Default value
Setting range
Unit
Cycle
24
[0~72]
h
Discharging time
5
[0~10]
Min
Emergency ventilation function (Optional): When the temperature inside cabinet is higher than
Emergency ventilation starting temperature, emergency ventilation fans run; when the temperature inside
cabinet is lower than Emergency ventilation stopping temperature, emergency ventilation fans stop.
Parameter
Default value
Setting range
Unit
Starting temperature
45
[28~50]
°C
Stopping temperature
42
[25~50]
°C
5. Display screen
5.1. Display interface
NO.
Icon
Function
Function explanation
1
❄️
Refrigerating running
Indicate whether refrigerating runs or not
2
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2002
Total Annual:
15 Million-20 Million
Employee Number:
101~200
Ecer Certification：
Verified Supplier
Introduction
Tianjin Estel Electronic Science and Technology Co., Ltd (ESTEL(GUANGDONG)TECHNOLOGY CO., LTD), located in China, is a professional supplier of integrated outdoor telecom cabinet and temperature control solutions for outdoor telecom base station. As a science and tech... Introduction
Tianjin Estel Electronic Science and Technology Co., Ltd (ESTEL(GUANGDONG)TECHNOLOGY CO., LTD), located in China, is a professional supplier of integrated outdoor telecom cabinet and temperature control solutions for outdoor telecom base station. As a science and tech...
