12
3 OPERATING LOGIC
3.1
Cooling
Compressor
:
modulation and shutdown in relation to setpoint and
room temperature
.
Tset -1°C
Tset +1°C
COMPRESSOR
ON
COMPRESSOR
OFF
Indoor fan:
in automatic mode
.
- MINIMUM SPEED
Ambient temperature <T. Se 1°C
- AVERAGE SPEED
T.
Se 1°C <Ambient temperature <T. Se 3°C
- FULL SPEED
Ambient temperature> T. Se 3°C
outdoor fan:
the speed of the
outdoor
fan is calculated by the
IPM board in relation to the
outdoor
air and
outdoor
coil
temperature
.
R
eve
rsing
valve:
NOT POWERED
3.3
Defrost
Defrost
End of defrost
Defrost start
205
Defrost frequency
run
run
Min. Fre.
Speed remote control
OFF
OFF
ON
OFF
ON
ON
ON
Heating opening
Defrost opening
WEATHER
EXV
Indoor
FAN
outdoor
FAN
COMPRESSOR
4 VALVES
Heating opening
Speed remote control
Stop hot air in heating mode
ON
ON
ON
ON
OFF
OFF
Min. Fre.
4-valves
ignition delay time
Activation conditions
:
–
outdoor
T.
> 5°C
(41ºF)
and
T.
coil
< -3°C
(27ºF)
–
5°C >
outdoor
T.
> -1 °C
(30ºF)
and
T.
coil
< - 10°C
(14ºF)
–
- 1°C >
outdoor
T.
> - 8°C
(18ºF)
and
T.
coil
< - 13°C
(9ºF)
–
outdoor
T.
< - 8°C
(18ºF)
and
T.
coil
< - 15°C
(5ºD)
–
outdoor
T.
< - 8°C
(8ºF)
and the appliance has been running for 120 min.
Stop conditions
:
–
If after 1 minute the
coil
temperature is higher than 12°C
(54ºF)
,
the function ends immediately.
–
After 10 minutes in any condition
.
3.2
Heating
Compressor
:
modulation and shutdown in relation to setpoint and
room temperature
.
Tset -1°C
Tset +1°C
COMPRESSOR
ON
COMPRESSOR
OFF
Indoor fan:
minimum
Indoor
coil
temperature control.
36°C
38°C
OFF
minimum speed
fan speed set
by remote control
outdoor fan:
the speed of the
outdoor
fan is calculated by the
IPM board in relation to the
outdoor
air temperature.
R
evers
ing
valve:
POWERED
