Interklima II18SCV1 - Page 31

Interklima High wall unit
II/IO - SCV1
31
2.5 AUTO HEAT-DRY-COOL OPERATION
The procedure is as follows.
a. Initial operation mode is selected by room air temperature.
b. Operation mode remains on last selection when re-starting
the unit.
2.6 OUTDOOR UNIT DEFROST CONTROL
a. Defrost operation is controlled by timer and sensing of the
indoor coil temperature (Ti).
b. Defrost operation checks the indoor coil temperature and
intake-air temperature at 35 minutes and 40 minutes from
starting of heating operation, and discriminates by
temperature difference.
c. The conditions for stopping defrost:
1. According to the difference of temperature and the time of
entering defrost function, defrosting will end after 8 minutes,
the maximum time for defrosting. The minimum defrost time
is 6 minutes.
2. The compressor remains on, fan motor and 4 way valve will
power-on after 55 seconds. The indoor fan remains stopped
until the indoor coil temperature has reached 30
o
C.
2.7 PRE HEAT
a. This process will operate approximately 20 seconds.
b. The indoor fan stops until the indoor coil temperature has
reached 30
o
C.
c. The operation diagram is shown below.
2.8 TIMER
a. Timer off can only be set when the system is operating.
b. Timer on can only be set when the system is off.
c. The maximum set time is 24 hours.
d. Changing of on/off status will cancel timer mode.
2.9 COOLING MODE WITH SLEEP MODE AUTO CONTROL
a. When selecting cooling mode combined with Sleep Mode
Auto Control, the operation diagram is shown below.
b. The setting temperature will be automatically raised by 1
o
C,
60 minutes later only twice.
c. If timing is set, it will take priority.
d. Sleep mode will stop after 7 hours.
2.10 HEATING MODE WITH SLEEP MODE AUTO CONTROL
a. When selecting heating mode combined with Sleep Mode
Auto Control, the operation diagram is shown below.
b. The setting temperature will be automatically lowered by 2
o
C,
60 minutes later only twice.
c. If timing is set, it will take priority.
d. Sleep mode will stop after 7 hours.
Operation mode
Indoor fan speed
Setting temperature
are automatically decided by Fuzzy rule
Press ON/OFF Button
User Select Auto Operation Mode
Unit Checks the room air temperature
Intake air
temperature
Operation mode Heating
T room <21
o
C T room>26
o
C
21
o
C<T room <26
o
C
Soft dry Cooling
temp. (1
o
C)
T+2
T+1
T
TS Sleep set on 7 hours later, the programs stops
t
t+1 t+2 t+7
t(hr)
temp. (
o
C)
T+2
T+1
T
TS
Sleep set on 7 hours later, the programs stops
t t+1 t+2
t+7
t(hr)