Haier YR-E20, Руководство по эксплуатации и установке

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Forced Defrost
Under heating, high speed, 30°C (or the limit highest
temperature in ECO mode), press function key 6 times in 5
seconds. The buzzer will sound 3 times. The wired controller
send the forced defrost signal to indoor unit.
will flash 3
times.
Infrared Signal Receiving
1. The wired controller refreshes the date and displays
function icon after receiving the infrared control signal. The
buzzer sounds after wired controller receives the signal,
but the interface will not display the function that controller
doesn’t have. The sounds of buzzer are the same with
controller setting automatically. The buzzer does not sound
if the wired controller fails to receive the signal. When wired
controller and remote controller are in the same on/off state,
and the controller receives non-correct mode signal from
remote controller, the buzzer sounds 3 times and wired
controller will not received the signal.
2. Wired controller received G code communication protocol
only.
2. The wired controller will always show ambient temperature
when SW2 is ON.