background image

11

 

 

Main interface

T01 

Cabinet internal temp-

           erature

T02 

Evaporator temperature

T03 

Condenser temperature

T04

 Cabinet internal humidity

E01   

Cabinet internal high

             temperature alarm

E02

    Cabinet internal low

             temperature alarm 

E03   

Cabinet internal tempErature

           sensor alarm

E04   

Evaporator tempErature

           sensor alarm

E05  

 Condenser tempErature

           sensor Alarm

E06   

Evaporator- frozen alarm

E07   

System high pressure alarm

P01 

  Refrigeration starting temperature setting

           Size: 

25

45

P02

   

Refrigeration return difference 

setting

           Size: 

3

10

P03

   High temperature alarm setting

           Size: 

25

45

P04

   Low temperature alarm setting

          Size: 

30

60

P05 

  Heating starting temperature setting

           Size:-30

15

P06   

Heating 

return difference 

setting

          

Size:5

15

P07  

 Communication address setting

          Size: 

0

255

 

Code input interface

(User

001

Definition

Icon

Definition

Icon

Icon

Definition

 

5.3

  Display 

Under running, the main interface 

8.8.8 

displays real temperature value in cabinet 

After boot, in any interface, if there has no keyboard operation in the continuous 60s, 

automatically return to the main interface 

 

5.4

  Start

 self-test

 

In the running states, the self-checking function can be activated by continuous pressing 

SET

  for 3 

seconds. 

When  Self-check,  the  screen  will  be  full  display  for  1S,  and  then  will  normally  display  cabinet 

temperature, while the boot icon will blink. 

 

6

 

Running

 

6.1

  Check before start running 

1) 

There are not obvious blockages near the internal cycle air inlet and outlet of the 

air conditioner.

 

2) 

The input power cables and other signal cables have been connected reliably 

and correctly.

 

 

 

 

Summary of Contents for MGA0800/A1

Page 1: ...innovation We share Before using the product please be sure to read the manual carefully Be sure to keep this manual properly so that you can access it at any time in the future On the basis of fully understanding the content please use it correctly ...

Page 2: ...g 6 3 2 Mechanical installation 6 3 3 Electrical installation 7 4 Product function 8 4 1 Cooling 8 4 2 Heating Optional 8 4 3 Remote monitor 8 4 4 The control of external fan Optional 8 5 Display screen 9 5 1 Display interface 9 5 2 Menu structures 10 5 3 Display 11 5 4 Start self test 11 6 Running 11 6 1 Check before start running 11 6 2 Start running 12 7 Faults and treatment 12 7 1 Alarm inform...

Page 3: ...2 8 Maintenance 14 ...

Page 4: ...ronment 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 ...

Page 5: ...lling devices for Communication outdoor room 1st parts Embedded temperature controlling devices 08 EN 55022 2006 A1 2007 Conducted Emission and radiation test 09 EN 61000 3 2 2006 A2 2009 Harmonic Current 10 EN 61000 3 3 2008 Voltage Fluctuation and Flicker 11 EN 61000 4 2 2009 ESD 12 EN 61000 4 3 2006 Radiation disturbance Immunity Test 13 EN 61000 4 4 2004 Electrical Fast Transient Burst 14 EN 6...

Page 6: ...t voltage range 220 VAC 15 50Hz Refrigerating capacity L35 L35 W 800 Rated Refrigerating input power L35 L35 W 385 Rated Refrigerating current L35 L35 A 1 8 Maximum Refrigerating current A 2 6 Heat capacity optional W 500 Air Volume of Inner Circulation m3 h 240 2 2 Installation diagram Note the installation diagram is just for reference the specific installation scheme should be determined accord...

Page 7: ...o 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 Ma...

Page 8: ... 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 n...

Page 9: ...e cabinet is higher than heating stopping temperature it stops heating User parameter setting point Parameter Default value Setting range Unit Note Heating starting temperature 5 10 15 Heating stopping temperature Heating starting temperature Heating return difference Heating return difference 10 3 15 4 3 Remote monitor Air conditioner has an RS485 communication interface supporting MODBUS RTU com...

Page 10: ...y ventilation starting temperature emergency ventilation fans run when the temperature inside cabinet is lower than Emergency ventilation stopping temperature emergency ventilation fans stop Emergency ventilation function parameter Default value Setting range Unit starting temperature 45 28 50 stopping temperature 42 25 50 5 Display screen 5 1 Display interface NO Icon Function Function explanatio...

Page 11: ...ers of the code press SET to confirm and then enter the parameters interface and Press and to adjust the addition and subtraction of the parameters value And then press SET to confirm the parameter values changes if don t need to save adjusted parameters please press ESC Check the parameters Pressing or it will show T01 T02 T03 T04 in turn and the parameters can be shown several seconds later Show...

Page 12: ...turn difference setting Size 5 15 P07 Communication address setting Size 0 255 Code input interface User 001 Definition Icon Definition Icon Icon Definition 5 3 Display Under running the main interface 8 8 8 displays real temperature value in cabinet After boot in any interface if there has no keyboard operation in the continuous 60s automatically return to the main interface 5 4 Start self test I...

Page 13: ...arm conditions Reset output from dry contact High temperature alarm Temperature inside the cabinet is higher than the setting Automatic Yes Low temperature alarm Temperature inside the cabinet is lower than the setting Automatic No T1 temperature sensor alarm There is short or open circuit on the cabinet internal temperature sensor cable Automatic No T2 temperature sensor alarm There is short or o...

Page 14: ...he internal cycling path Internal fan is fault Maintain or change it Refrigerating system can t stop Check if the air conditioner reaches the refrigeration stop conditions but the actual status doesn t stop if yes inform the AC maker to deal with it Evaporator temperature sensor wrongly sends alarm Change the evaporator temperature sensor Compressor can t run There is no cooling demand Check if re...

Page 15: ...been connected correctly Check the external fan line and connect it again The operating condition has not been satisfied Check if the operating condition is satisfied 8 Maintenance Maintaining air conditioner very closely can keep it having a good performance and normal life the following works should be done No Check Maintain Cycle 1 Check whether there are alarm information or not 6 months 2 Che...

Page 16: ...15 ...

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