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SW2
SW2
Factory settings
[
]
0
SW3_1
SW3
Reserved
[
]
0
SW3
Clear indoor unit address
[
]
1
SW3_2
SW3
Reserved
[
]
0
SW4
In heating mode when the set temperature has been reached,
SW4
the fan operates in a 4 minutes off / 1 minute on repeating
[
]
00
cycle
In heating mode when the set temperature has been
SW4
reached, the fan operates in an 8 minutes off / 1 minute on
[
]
01
repeating cycle
In heating mode when the set temperature has been
SW4
reached, the fan operates in a 12 minutes off / 1 minute on
[
]
10
repeating cycle
In heating mode when the set temperature has been
reached, the fan operates in a 16 minutes off / 1 minute on
SW4
[
]
11
repeating cycle
SW5
In heating mode fan does not run when indoor heat exchanger
SW5
mid-point temperature is 15°C or below
[
]
00
In heating mode fan does not run when indoor heat exchanger
SW5
[
]
mid-point temperature is 20°C or below
01
In heating mode fan does not run when indoor heat exchanger
SW5
[
]
mid-point temperature is 24°C or below
10
In heating mode fan does not run when indoor heat exchanger
SW5
mid-point temperature is 26°C or below
[
]
11
SW6
SW6
Heating mode temperature compensation is 6°C
[
]
00
SW6
Heating mode temperature compensation is 2°C
[
]
01
SW6
Heating mode temperature compensation is 4°C
[
]
10
Heating mode temperature compensation is 0°C
SW6
(use follow me function)
[
]
11
SW7: reserved
J1
Auto restart function enabled
Auto restart function disabled
0/1 definition of each dial code switch:
means 0
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.
7.4 Error Codes and Definitions
Error
code
E0
E1
E2
E3
E4
E6
E7
Eb
Ed
EE
FE
8. Test Run
8.1 Things to Note Before Test Run
Indoor and outdoor units are properly installed;
Piping and wiring are correct;
No leakage from the refrigerant piping system;
Water discharge is smooth;
Insulation is complete;
Grounding line has been properly connected;
Piping length, and amount of refrigerant filled have been recorded;
The voltage of the power supply is the same as the rated voltage
No obstacles at the air inlet and outlet of the indoor and outdoor units;
Cut-off valves for the gas and liquid ends of the outdoor unit are
8.2 Test Run
When the wired/remote controller is used to set the cooling
operations of the air conditioner, check the following items one by
one. If there is a fault, troubleshoot according to the manual.
Function keys of the wired/remote controller are operating normally;
Room temperature regulation is normal;
LED indicator is on;
Water discharge is normal;
No vibration and strange sounds during operation;
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.
means 1
9
Content
Mode conflict
Communication error between indoor and outdoor units
Indoor ambient temperature sensor (T1) error
Indoor heat exchanger mid-point temperature sensor(T2) error
Indoor heat exchanger outlet temperature sensor (T2B) error
Fan error
EEPROM error
Indoor EEV coil error
Outdoor unit error
Water level error
Indoor unit has not been assigned an address
of the air conditioner;
opened;
V.1
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