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Idiomas disponibles
Idiomas disponibles
SW7: reserved
J1
Auto restart function enabled
Auto restart function disabled
Caution
•
All DIP switches (including the capacity DIP switch) have been
configured before delivery. Only a professional maintenance
personnel should change these settings.
•
Improper DIP switch settings may cause condensation, noise, or
unexpected system malfunction.
•
The default DIP switch setting is based on the actual unit.
8.5
Installation guide for the display board
Electronic control box
Threading hole
Figure 8.1: Electronic control box
1. Put the buckles of the display board into the grooves of electric control box and push the display board down;
2. Connect the 10-core wire of the display board to the control board assembly through the threading hole on the electric control box;
3. Connect the 5-core wire of the display board to the wired controller.
9. Test Run
9.1. Things to Note before Test Run
1.
Indoor and outdoor units are properly installed;
2.
Piping and wiring are correct;
3.
No leakage from the refrigerant piping system;
4.
Water discharge is smooth;
5.
Insulation is complete;
6.
Grounding line has been properly connected;
7.
Piping length, and amount of refrigerant filled have been
recorded;
8.
The voltage of the power supply is the same as the rated voltage
of the air conditioner;
9.
No obstacles at the air inlet and outlet of the indoor and outdoor
units;
10. Cut-off valves for the gas and liquid ends are opened;
11. Connect to the power supply to let the air conditioner warm up
first.
Note
Once the power is connected, when the unit is turned on or started
immediately after the unit is turned off, the air conditioner has a
protective function which delays the start of the compressor by 3
minutes.
Buckle
Groove
5-core wire
Figure 8.2: Display board
8.4 Error Codes and Definitions
Error
Content
code
E0
Mode conflict
E1
Communication error between indoor and outdoor units
E2
Indoor ambient temperature sensor (T1) error
E3
Indoor heat exchanger mid-point temperature sensor(T2) error
E4
Indoor heat exchanger outlet temperature sensor (T2B) error
E6
Fan error
E7
EEPROM error
Eb
Indoor EEV coil error
Ed
Outdoor unit error
EE
Water level error
FE
Indoor unit has not been assigned an address
10-core wire
9.2. Test Run
Use the wired/remote controller to control the cooling operating mode
in the air conditioner, and refer to the manual to check the following
items one by one.
If there is any fault, troubleshoot by referring to the section on "Air
Conditioner Errors and Causes" in the manual.
9.2.1 Indoor unit
1. Wired/remote controller switch is operating normally;
2. Function keys of the wired/remote controller are operating
normally;
3. Room temperature regulation is normal;
4. LED indicator is on;
5. Key for manual operation is normal;
6. Water discharge is normal;
7. No vibration and strange sounds during operation;
9.2.2 Outdoor unit
1. No vibration and strange sounds during operation;
2. If the wind, noise and condensation affect the neighbours;
3. Any refrigerant leakage.
13
Figure 8.3: Final image
V.2
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