Electra DELTA 18, Service Manual

Page: 67 / 110

12-25
CONTROL SYSTEM
SM DELTA 1-E.0 GB
12.12 Sleep Mode
Mode: Any
Temp: Set – desired temperature selected
Fan: Any
Timer: Interact with Sleep Timer as described in sect 12.2
I Feel: On or Off
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 to the user in sleep.
Sleep is treated as TIMER function. Therefore, the TIMER LED is activated similar to
TIMER function.
12.12.1 Adjustment in Sleep Mode
1. in cool, auto cool or dry modes, the SPT adjustment is positive (from 0 to +3 o c).
2. In heat or auto heat modes, the SPT adjustment is negative (from 0 to -3 o c).
3. In other modes, there is no SPT adjustment.
4. The SPT adjustment is cancelled when the Sleep mode is cancelled.
Note: If Off-timer is active, the unit may go to SB before or after 7 hours of
sleep operation.
SPT
Time [Hr]
4 8 5 3 2 6
Start
Sleep
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