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PTC ELECTRIC HEATING FUNCTION
The unit has an additional PTC electric heating element. When the weather
conditions outside are bad, you can press the PTC button on the remote control to
turn on the electric heating function to increase the heat. The heat power of the
PTC is equal to 800W.
PTC TURN ON
1.
Only in the heating mode, press the PTC button on the remote control to
send the turn-on command to the unit.
At this time, the remote control and the unit display
2.
After the unit receives the remote control command, the system will carry out
self-testing, PTC will work when the following points are satisfied at the same
time:
a. Unit is in heating mode.
b. Tw<25°C (outdoor temperature keeps lower than 25°C for 10 seconds ).
c. Ts-Tr≥5°C (The Set temperature is more than 5 degrees higher than the
Room temperature).
d. Room temperature Tr≤18°C.
e. Coil Temperature of evaporator Te ≤48°C.
f. Compressor is keep working for 3minutes.
3.
PTC will stop working when the system self- testing detects one of the
following points:
a. Outdoor temperature keeps higher than 28°C for 10 seconds
b. The room temperature is greater than the setpoint;
c. Room temperature Tr ≥23°C.
d. Compressor stop working.
e. The ventilation stops or the fan is faulty.
f. 4-way valve get disconnected.
g. Coil Temperature of evaporator Te ≥54°C or sensor error.
h. Unit didn't work in heating mode.
i. Unit is in defrost function.
PTC TURN OFF
Presses the PTC button again or change to other mode to turn off PTC function,
the
lights on remote control and the unit display will be off at the same time.
NOTE:
•
The unit will work without PTC function as a default until the "PTC" button
on remote control is pressed.
•
If unit is turn off, the PTC setting will be cleared, it need to be set again.
lights up at the same time.
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