PCB function manual 2
Temperature parameter
The room set temperature: (Tset)
The room ambient temperature:(Tamb)
Foundamental functions
COOL mode
Cooling condition
In this mode, the reversal valve will not power on, the setting temp. range:16℃~
30℃
Protection Functions
Overcurrent Portection
When the system current is tested higher than 15
A, only fan will run. After 3 minutes, the whole unit will run in the old
mode, if the overcurrent cannot be eliminated, the whole unit will stop, and can be restarted by the wireless remote control.
Antifreezing Protection
If Tset-1℃＜Ta mb＜T set+1℃, the unit will keep running in the old mode.
When the system is tested, the compressor will stop, after 15sec delayed, outdoor fan will stop running, indoor fan will run at set speed;
When the antifreezing protection is finished, the compressor stopped for 3Min, the unit will return to the old mode.
If Tamb≥Tset+1℃, COOL mode will act, compressor and outdoor fan will run at low speed, indoor fan will run at the set spee
d.
If Tamb≤Tset－1℃,tunit will stop , compressor will stop and then outdoor fan will delay 15sec and stop. Indoor fan will run at set speed.
After power is on, no matter when compressor is started, the time span between the startups cannot be less than 3 minutes.
When the first time powered on, there is no 3Min delayed; once the compressor started up, it will not stop with the indoor
room temperature changes within 5minutes.
Bird Single-Split Type
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