Sleep Function; Daily Timer Function; Ifeel Function; Louver Control - Technibel MCA451R Technical Data & Service Manual

7-9 Sleep Function

Room temperature is automatically controlled to compensate for body temperature variations while
sleeping. This mode of operation is designed for maximal comfort in both COOL and HEAT modes.
RT
SPT+3
SPT+2
SPT+1
SPT
SPT-1
SPT-2
SPT-3
Start
Sleep

7-10 Daily Timer Function

Unit can be programmed to be ON and OFF automatically at preset time everyday, by using a remote
controller. The resolutions of the ON/OFF timers are 10 min.

7-11 IFEEL Function

This feature is provided if the unit is used together with a remote controller with the I-FEEL function.
When this function is selected, the remote controller sends the room temperature measured by its build-in
thermistor to the air con for more accurate temperature control.

7-12 Louver Control

The airflow louver can be driven by either a 12V DC stepping motor or an AC motor. The louver can be
set to operate at auto swing mode or fix position mode.
Three additional features are provided if the louver is controlled by a DC stepping motor.
? Different swing positions (range) for Heat Mode and Cool Mode operation
? Last louver position in fix position mode is stored in the EEPROM, and is restored when the unit is
turned on.
? The louver is closed automatically when the unit is switched to standby mode.
7-12 Hours Sleep operation
1 2 3
Cool, Dry modes
Heat mode
4 7 - 12
30
Unit is turned to SB
after Sleep
Time [Hr]