Haier HSU-07C03 Service Manual page 15

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5-1-4 Freezing prevention function
Under refrigerating and dehumidifying state, the air conditioner will control the outdoor fan as per
the temperature Tp of the indoor coil pipe according to the following conditions:
Compressor,outdoor fan OFF after 5 minutes
5-1-5 3 minutes stand-by time
When the compressor ceases due to the sensor OFF, unit On or OFF or fault, it will maintain
pause for 3 minutes.
5-1-6
Compensatory function of power failure
If the unit is suddenly off during running due to power failure, or closed for maintenance or
troubleshooting, it will restart to run after the power resumes with the original condition before the
unit is off
Note: 1. Function setting: Pressing the SLEEP button on the remote control unit for 10 times until
hearing 4 sounds from the buzzer on the panel.
2. Memory content: Running mode, setting wind speed, setting temperature, sleep state, flap
state.
3. Cancellation of function: Pressing the SLEEP button on the remote control unit for 10
times until hearing 2 sounds from the buzzer on the panel.
5-1-7 Trial run function
When the air conditioner is in OFF state, press the emergency switch for 5 seconds till hearing 2
sounds of click from the buzzer, then the air conditioner will turn to the trial run state. The unit will
run in the refrigerating mode and the indoor fan will run in high wind speed mode.
5-1-8
Emergency running mode
When the air conditioner is in stand-by state, press the emergency switch till hearing a sound
from the buzzer, then the air conditioner will turn to the emergency run state. The rules of
emergency run are as follows:
Tr 26 , running refrigerating mode, Ts = 26 ;
Tr<26 , running fan mode,
07C03
Zone of return deference
0
2
Fan,compressor ON
.
7
Tp(
)

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