9.3.8 Timer function
1. Pressing Timer button on remote control to set Timer Off during unit is working, and set Timer
On
during unit is close.
2. Temperature rising key in the remote control is hour setting, each pressing will increase
one hour, and
every cycle is 24 hours. Temperature dropping key is minute setting, each pressing will increase 10
minutes, and every cycle is 60 minutes.
Clock setting: Pressing clock key on the remote control, screen would display time signal with flashing.
Then pressing temperature rising and dropping keys, time could be adjusted. Temperature rising key is
hour setting, each pressing will increase one hour, and every cycle is 24 hours. Temperature dropping
key is minute setting, each pressing will increase 10 minutes, and every cycle is 60 minutes.
9.3.9 Emergency function (Not available for the user)
1. There is an emergency button on the main PCB inside the unit. When remote control is lost or
damaged,
unit would work with Auto mode by pressing this button, indoor fan motor would work
with
auto
speed.
2. During the unit is working, pressing this button can close the machine
immediately.
3. During the unit is working with emergency function, the unit would follow remote control instruction
once receiving any signal from remote control.
9.4 Flap panel control
• Step motor would control the flap panel moving, run or stop according to the order from remote control.
9.5 Protection function
9.5.1 Compressor 3 minutes delay protection.
a. The
compressor will run immediately when it works with first
time.
b. Compressor must stops for 3 minutes and reworks again (Except defrost function in heating mode).
9.5.2
Anti-frozen protection in cooling and dry mode.
a. If
indoor coil temperature -1ć for 2 minutes, compressor and outdoor fan motor will
stop, indoor fan
motor
will keep working state and unit goes into anti-frozen protection.
b. When indoo
r coil temperature 8ć, compressor and outdoor fan motor will rework again if
the 3
minutes delay
protection is over, and unit would exit anti-frozen protection function.
.
9.5.3 Over-heat protection in heating mode.
In heating mode:
a. When indoo
r coil temperature 55ćˈoutdoor fan motor will st
op.
b. When indoo
r coil temperature 48ćˈoutdoor fan motor would work again.
c. When indoor coil temperature 64ćˈcompressor and outdoor fan motor will stop together.
d. When indoor coil temperature 48ćˈproceed normal working (when 3 minutes delay protection is
over,
compressor and outdoor fan motor would work immediately.).
In this case, four-way valve always opens and indoor fan motor always runs with setting speed.
Note: If indoor coil sensor is damaged, over-heat protection is no use.
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