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V. AIR CONDITIONER CONTROLLER (CONT’D.)
To cancel this function
• Press button until the display shows blinking OFF,
• Press CANCEL button.
NOTE: If no button is pressed within 10 seconds, LCD display will
return to show setting temperature and no data will be transmitted.
V3.2 Compressor delay protection
Each time the compressor shuts off there is a 3-minute time delay before it
restarts. If power is interrupted, the control system delays compressor
operation from 3-4 minutes in random manner. This ensures that air
conditioning compressors in the building do not start simultaneously.
V3.3 Changing temperature display from °
°°
°C to °
°°
°F
Default temperature display is in °C.
Temperature display can be set to °F by pressing TEMP ∆ and TEMP∇
buttons at the same time for 5 seconds while the system is turned on.
To change display back to °C, press TEMP ∆ and TEMP∇ again.
V4.5 Self-Diagnostic Function
The control system comes with a self-diagnostic function.
If a malfunction is detected, the LED Display will show the following alarms:
blinking if the room sensor is open or short circuited .
blinking if the freeze sensor is open or short circuited.
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