6.2 After indoor receives the ON command from wired controller, it will firstly confirm the outdoor current
operation mode. If they are the same modes, indoor unit will run as the request of remote controller. If
they are different modes, the system will forbid to operate, and indoor will keep the OFF mode and send
the “standby” signal to wired controller until outdoor stops or outdoor mode the requested mode of wired
controller are the same, the unit will run as the requested mode of wired controller.
6.3 After indoor receives the ON command from remote controller, it will firstly confirm the outdoor current
operation mode. If they are the same mode, indoor unit will run as the request of remote controller. If they
are different modes, the system will forbid to operate, and indoor will keep the OFF mode. After setting on
remote controller, if the buzzer sounds two times, that shows abnormal operation. Indoor will run until the
outdoor mode and the requested mode of remote controller are the same.
6.4 In AUTO mode, when the indoor unit occurs abnormal operation, the indoor unit will keep OFF state,
and the buzzer will not sound until the outdoor mode and the requested mode of indoor unit are the same.
6.5 COOL (included AUTO COOL), DRY, FAN are not abnormal mode.
6.6 HEAT and FAN are not abnormal mode.
7. Control for discontinuous operation
After the unit starts up in cooling/heating mode, in 5 minutes, the compressor run/stop will not be
controlled by the room temp., but after changing the set temp., if compressor stop condition can be met,
the system will stop compressor immediately.
8. Anti-cold air control
In heating mode, after compressor startup, the system will control indoor fan motor according to indoor
coil temperature. Detailed operation is as below:
Tc2(
℃
)
30(32) set speed
26(30) low speed
22(26) off
20(20)
Note:
1) The data in the parentheses is the control point when Tao>10
℃
;
2) Indoor unit will send “pre-heat” signal to wired controller in anti-cold air period.
9. Fan motor control in defrosting
9.1 On receiving outdoor defrosting signal, indoor unit will stop after blowing remaining heat at slow
speed for 20 seconds.
9.2 In defrosting period, indoor fan motor stops running.
9.3 Defrosting is over, and indoor motor will run as anti-cold air state.
10. Blowing remaining heat operation
When the unit shuts off in heating mode or the thermostat is OFF, indoor motor will stop running after
running at low speed for 30 seconds.
11. Swing motor control
Indoor unit will control the swing motor according to the swing signal from the wired controller.
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