Electra WNG 50 DCI Service Manual page 43

CONTROL SYSTEM
Model
Wall mounted
Cassette
Ducted
Floor/Ceiling
11.16 Indoor Fan Control in Heat Mode
Indoor fan speed depends on the indoor coil temperature:
ICTST
11.17 Auto Cool/Heat Mode
When in auto cool heat mode unit will automatically select between cool and heat
mode according to the difference between actual room temperature and user set
point temperature ( T).
Unit will switch from cool to heat when compressor is off for 3 minutes, and T <
-3.
Unit will switch from heat to cool when compressor is off for 5 minutes, and T < -3.
11.18 Dry Mode
As long as room temperature is higher then the set point, indoor fan will work in low
speed and compressor will work between 0 and
When the room temperature is lower than the set point, compressor will be
switched OFF and indoor fan will cycle 3 minutes OFF, 1 minute ON.
11.19 Protections
There are 5 protection codes.
Normal (Norm) – unit operate normally
Stop Rise (SR) – compressor frequency can not be raised but does not have to be
decreased.
HzDown1 (D1) – Compressor frequency is reduced by 2 to 5 Hz per minute.
HzDown2 (D2) – Compressor frequency is reduced by 5 to 10 Hz per minute.
Stop Compressor (SC) – Compressor is stopped.
11-6
J2 Shorted
Compensation Disabled
Compensation Enabled
Compensation Enabled
Compensation Disabled
ICTVL ICTL ICTH
.
Revision Y05-02
CONTENT
J2 Opened
Compensation Enabled
Compensation Disabled
Compensation Disabled
Compensation Enabled
ICTT
MaxNLOADIF1C Hz.
Service Manual - WNG 50_60_80 DCI