Airwell YCF055, Service Manual

Page: 70 / 113

11-20
CONTROL SYSTEM
SM FBFRPM 1-A.0 GB
DR Y
(RT - S PT) [
o
c]
+ 2
+1
0
-1
- 2
ON
OFF
ON
OFF
LOW
OFF
DR Y -ON
DR Y -OFF
ON
OFF
Time [min]
10
2 0
30
40 50
M a x 15 minutes
3.5
min
Note1
6 min
Note 2
COMP
& OFAN
HE1
& HE 2
IFAN
RV
M a x 15 minutes
5 minutes COMP
ON time
NOTES
1. When DRY is ON, the COMP is forced OFF for 3.5 min (longer
than the 3 min Min COMP- OFF time) after every 15 min of
continuous COMP operation.
2. When DRY is OFF, the COMP is forced ON for 6 min (longer
than the 3 min Min COMP- ON time) after every 15 min of
continuous COMP OFF time.
3. When DRY is changed from ON to OFF or vice versa, the
limits mentioned in (1) & (2) are ignored. The COMP operation
is only controlled by the 3 min Min OFF time and 1 min Min
ON time.
4. In DRY Mode, IFAN is LOW when COMP is ON, and is OFF
when COMP is OFF.
5. HEs are always OFF in DRY Mode.