12-6
CONTROL SYSTEM
Revision Y06-01
Service Manual - LEX
12.5
Cooling Mode - General
1)
Room Temperature, RT, is detected by
•
RAT in normal operation, or
•
RCT (R/C sensor) in I-FEEL mode.
2)
The resolution of RT is 1
o
c.
•
RT is activating COMP/WVL if (RT > SPT), and
•
RT is stopping COMP/WVL if (RT =< SPT).
3)
Indoor Coil Temp is detected by ICT (RT2).
4)
Outdoor Coil Temp is detected by OCT (RT3).
5)
A WVL-RC/SH will work in Cooling Mode when
•
ICT < 16
o
c in general (see Sect 2.2.2 for details), and
•
Unit is not operating in Fan Mode.
6)
OFAN OPERATIONS
•
OFAN starts together with COMP in general.
