Service manual

12-14
CONTROL SYSTEM
SM CINCO 1-A.1 GB
12.4.7 Sleep Mode
12.4.7.1 Sleep Mode - General
a. Mode Definition
Mode: Any
Temp: Selected desired temperature
IFan: Any
Timer: See below
I-FEEL: ON or OFF
12.4.7.2 Control function
o The Sleep mode is activated by using the SLEEP button on the R/C. In Sleep Mode, the unit
will automatically adjust the SPT to turn up/down the room temperature (RT) gradually to provide
maximum comfort for the sleeping user.
o Sleep is treated as TIMER function. Therefore, the TIMER LED is activated similar to TIMER function.
o In COOL, AUTO COOL or DRY modes, the SPT adjustment is positive
(from 0 to +3oC).
o In HEAT or AUTO HEAT modes, the SPT adjustment is negative
(from 0 to -3oC).
o In other modes, there is no SPT adjustment.
o The SPT adjustment is cancelled when the Sleep mode is cancelled.
o If OFF-timer is active, the unit may go to SB before or after 7 hours of sleep operation.
12.4.7.3 Sequence Diagrams
12.4.8 Forced Operation
Forced operation is set by the mode button on the Display Board and allows to start, stop and operate in Cooling
or Heating, in pre-set temperature according to the following table:
Forced operation Mode Pre-set Temperature
Cooling 20
0
C
Heating 28
0
C
NOTES
• While under the forced operation, the temperature compensation is disabled.
• The IFAN is always set to Autofan Speed in forced operation.
SPT
Time [Hr]
485326
Start
Slee
p
7
RT
SPT-1
SPT-2
SPT-3
SPT+2
SPT+1
SPT+3
1
7 Hours Sleep operation
for Normal Sleep Mode
Unit is turned to SB
after Sleep
Cool, Dry modes
Heat mode