Control Systems
V-64
2
2
Centralized control system
2-2. Centralized controller (MCM-A202A)
IDU1, 2, 3 Stop mode after power reset
Cooling mode set with centralized controller
IDU1 ON with centralized controller
IDU1 operating in 24ºC Cooling
IDU1 set to 28ºC Heating with wired remote controller
IDU1 operating in 28ºC Heating
IDU1 turned off and on again with centralized controller
IDU1 operating in 24ºC Cooling
IDU2 set to 30ºC Heating with wireless remote controller
Mixed operation error in IDU2
➔
IDU Stop
All ON button pressed on centralized controller
IDU 1, 2, 3 operation in 24ºC Cooling
➊
When all the indoor units are in the OFF state after power reset,
• Cooling mode set
➔
Cooling operation in 24 ºC set temperature, Auto airflow and Stop fan direction.
• Heating mode set
➔
Heating operation in 27 ºC set temperature, Auto airflow and Stop fan direction.
• Auto mode set
➔
Auto operation in 24ºC set temperature, Auto airflow and Stop fan direction.
❷
When the indoor units are operated in certain mode,
• If the selected mode is matched to the current operation mode, indoor units keep their current operation mode.
• If the selected and current modes are not matched, indoor units are controlled to the set mode of the centralized
controller.
- Cooling mode set
➔
Cooling operation in 24ºC set temperature, Auto airflow and Stop fan direction.
- Heating mode set
➔
Heating operation in 27 ºC set temperature, Auto airflow and Stop fan direction.
- Auto mode set
➔
Auto operation in 24ºC set temperature, Auto airflow and Stop fan direction.
Indoor unit operation
Operation sequence
❇ IDU : Indoor unit
05-2_control systems(046~081) 3/6/08 14:02 Page 64
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