Operation Details; The Function Of Main Control; Time Delay Safety Control; Chaos Swing Mode/Cooling Operation Mode - Heat Controller Energy Knight B/A-HMC09AS Service Manual

Operation Details

(1) The function of main control

1. Time delay Safety Control

• 3min.; The compressor operation is delayed for 3 minutes to balance the pressure of cycle.
(Protection of compressor)
• 5sec.; The indoor fan is delayed for 5 seconds, when operating initially, to prevent noises occurred by the vertical
louver and wind.
• 2min.; The reversing valve is delayed for 2 minutes to prevent the refrigerant-gas for abnormal noise when the
heating operation is OFF or switched to the other operation mode while compressor is off.
While compressor is running, it takes 3~5 seconds to switch.
2. Chaos Swing Mode
• By the Chaos Swing key input, the upper/lower vane automatically operates with the Chaos Swing or they are
fixed to the desired direction.
• While in Chaos Swing mode, the angles of cooling and heating cycle operations are different.
< Cooling Mode >
CLOSED
3. Cooling Operation Mode
• When selecting the Cooling(
remote control and the operation diagram is shown below.
INTAKE AIR TEMP.
SETTING TEMP. +1°F
(Compressor ON)
SETTING TEMP. -1°F
(Compressor OFF)
INDOOR FAN SPEED
COMPRESSOR
Protection of the indoor heat exchanger from frosting
• Compressor and outdoor fan stop when indoor pipe temperature is below 0°C(32°F) and restart at the pipe
temperature is above 7°C(45°F).
8
OPEN
) Mode Operation, the unit will operate according to the setting by the
More than
3 minutes
Setting
Low
fan speed
ON OFF
CLOSED
Setting
fan speed
ON
- 15 -
< Heating Mode >
8
OPEN
More than
3 minutes
Setting
Low
fan speed
OFF ON