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You have to press ON/OFF key to switch off the unit and then press this key again before you can make the unit run under
preset mode, provided that the exhaust temperature is lower than <90 . Otherwise, the Run Indicator will keep blinking.
7.1.5.5 Indoor Over temperature Protection
If it is detected that the evaporator temperature (T
will be stopped. If the evaporator temperature is equal to or lower than 51 , the outdoor fan will be started. If the
evaporator temperature is equal to or higher than 100 , the indoor fan will automatically switch to high speed. If the
evaporator temperature is equal to or lower than 48 , the indoor fan will switch to original preset speed.
7.1.5.6 Water Pump Control and Overfull Protection
1.
When compressor is started under cooling or dehumidifying mode, the water pump must be started simultaneously.
2.
When switching off the unit, or stopping the unit under cooling mode, or stopping unit under dehumidifying mode, or
switching the unit to another mode, the water pump will be de-energized after 5-minute lag.
3.
When overfull is detected no matter under any mode, the water pump must be started.
4.
When overfull is detected within 8 seconds successively under ON status or compulsive cooling or compulsive
heating, the unit will enter into overfull protection status and the AUTO ON/OFF indicator will blink. The outdoor fan
and compressor will be stopped under cooling mode or compulsive cooling, and the indoor fan will be stopped after
1-minute delay. All controls will be disconnected under dehumidifying mode. If switching off all other loads except the
4-way valve under heating mode or compulsive heating, the indoor fan will be stopped after 1-minute delay. Under
fan mode, the indoor fan will be stopped after 1-minute delay.
5.
When it is detected under overfull protection that the overfull signal disappears, the water pump shall be immediately
stopped if it has worked for 10 minutes. If the water pump is working for less than 10 minutes, it will continue until up
to 10 minutes before it is de-energized.
6.
After Overfull Signal Disappears and press ON/OFF key to switch off the unit, you can press this key again to start
the unit and exit the protection. If the overfull signal does not disappear within 2 hours, the water pump will be
stopped.
7.1.5.7 Communication Fault
If no data are received within 3 minutes successively, the outdoor unit will stop compressor and outdoor fan, while the
4-way valve will be closed 2 minutes after the compressor is stopped. The indoor unit will stop all other load except the
water pump.
7.1.5.8 Key
1.
Test Key:
Pressing this key under OFF status, the unit will be compulsively put into cooling mode, all other loads except the 4-way
valve will be started, and the indoor and outdoor fan will run at high speed. If holding down this key for 1 second or longer
under OFF status, the unit will enter into compulsive heating mode, all loads will be started and the indoor and outdoor fan
will run at high speed. If it is detected that ambient temperature (or evaporator temperature) is equal to or lower than -10
, or that ambient temperature (or evaporator temperature) is equal to or higher than 80 , the buzzer will beep. When
pressing the key or receiving remote signal for exit of test status, or after 5 minutes, the unit will exit the test status. Under
testing status, all other protection except communication fault, high-pressure protection and overfull protection will be
disabled. The complete unit will be stopped if you press this key under ON status. The cooling-only unit is not provided
with compulsive heating function.
2.
AUTO Key
The unit will run under auto mode if you press this key under OFF mode. The complete unit will be stopped if you press
this key under ON status.
7.1.5.9 Power-OFF Memory Function
Memory mode, swing, preset temperature, preset fan speed, Auto ON/OFF (When the timer counts the time again after
the power is cut off and then resumed before preset AUTO OFF time, the unit, if de-energized and re-energized after
preset AUTO OFF time, will run under such mode as after preset AUTO OFF time). If the unit is ON before power is off,
the compressor will have 3-minute protection.
)is equal to or higher than 56
evap.
20
under heating mode, the outdoor fan
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