Interklima II18SCV1 - System Protection and Safety; Fan Speed and Protection Features

Interklima High wall unit
II/IO - SCV1
32
2.11 AUTO FAN SPEED
a. In cool mode,
if Tr-Ts<2
o
C, indoor fan is run at low speed.
if 2
o
C<Tr-Ts<3
o
C, indoor fan is run at medium speed.
if Tr-Ts>3
o
C, indoor fan is run at high speed.
b. In heat mode,
if Ts-Tr<2
o
C, indoor fan is run at low speed.
if 2
o
C<Ts-Tr<3
o
C, indoor fan is run at medium speed.
if Ts-Tr>3
o
C, indoor fan is run at high speed.
c. There is no auto fan speed in fan mode.
2.12 AIR FLOW DIRECTION CONTROL
a. This function swings the vertical louver up and down
automatically or allows setting at a fixed position.
b. The procedure is:
Press the ON/OFF Button to operate the unit.
Press the Airflow Direction Control Button to swing the louver
up and down automatically.
Press again the Airflow Direction Control Button to set the
louver at a fixed position.
2.13 BUZZER
If a command is received, the system will respond with a beep.
2.14 AUTO RESTART
If the power fails suddenly, the preset setting will be kept in micro
computer memory.
After power is available again, units will automatically restart
according to the last setting.
3. PROTECTION
3.1 HIGH PRESSURE
(Temperature Differential Control) PROTECTION
If Indoor Coil Temperature >52
o
C, the outdoor fan is turned off,
compressor is on, after that, if Indoor Coil Temperature < 45
o
C,
the outdoor fan will turn on again.
If Indoor Coil Temperature >62
o
C, the outdoor fan and
compressor are turned off, after that, if Indoor Coil Temperature
<45
o
C, the outdoor fan and compressor will turn on again.
3.2 LOW PRESSURE
(Temperature Differential Control) PROTECTION
a. Protection Activation
During COOL / DEHUMIDIFICATION / HEAT mode,
compressor runs continuously 15 minutes,
If Ti – Tr ≤3 for 5 minutes constantly, protection activates.
Changing mode does not terminate protection function,
except turning off unit.
During protection:
In COOL mode, outdoor unit stops, indoor fan runs at set
speed.
In DEHUMIDIFICATION mode, outdoor unit stops, indoor fan
runs at low speed.
In HEAT mode, outdoor unit and indoor fan stop.
b) Protection Deactivation
During COOL / DEHUMIDIFICATION / HEAT mode,
compressor runs for 3 minutes, If Ti – Tr > 3 for 10
seconds, protection deactivates.