Single Split
31
(10) Indoor motor compulsory speed control in heating mode: if indoor coil temperature Tg>56
℃
,
indoor motor LOW speed invalid, change to MIDDLE speed automatically; when Tg>60
℃
, indoor
motor MIDDLE speed invalid, change to HIGH speed automatically; when Tg below 52
℃
, resume
the original fan speed, outdoor MCU will work in overheat protection due to the temperature value.
3.7 Special functions
(1) CLOCK setting and TIMER function
The unit can set 24-hour TIMER ON/OFF, and the min. unit is 1 minute (the min. unit of set time is
concerned with remote controller), after being set, the TIMER lamp of indoor will be on, and after the
timer is over, the TIMER lamp will be off.
TIMER ON: RUN LED is off, compressor LED is off, and TIMER LED is on, the unit is in stop state.
When timer is over, the unit begins to run, and the timer LED is off. The unit operation begins from
receiving the timer signal for the last time. The SLEEP function only can be set before the TIMER
ON begins.
TIMER OFF: the unit running, the TIMER LED on, while the timer is over, TIMER LED off, the unit
will stop, the sleep can be set, the sleep time will replace the original time of TIMER ON/OFF.
TIMER ON/OFF set at the same time: when the timer on/off is set, the timer LED will be off; the
sleep function can be set, the sleep time will replace the original time of TIMER ON/OFF.
(2) SLEEP function (energy saving function at night)
a. Standard sleep function in cooling or dry mode, after running at SLEEP mode for 1 hour, the set
temperature will rise 1
℃
, another 1 hour later, the set temperature will rise another 1
℃
; the unit
continues running for 6 hours, then the unit will stop.
b. Standard sleep function in heating mode, after running at SLEEP mode for 1 hour, the set
temperature reduces 2
℃
, another 1 hour later, the set temperature will reduce 2
℃
, and another 3
hours later, the set temperature rises 1
℃
; the unit continues running for 3 hours, then the unit will
stop.
c. Non-standard SLEEP function: the sleep function can realize 1~8 hours sleep mode when being
combined with the TIMER function.
1) When in Auto mode, the unit will make SLEEP operation due to the setting.
2) After setting SLEEP function, the clock can not be adjusted.
3) If sleep time is no more than 8 hours, when the time arrives, the unit will shut off.
4) If SLEEP function is set, the TIMER function can not be set.
(3) Emergency operation
Press emergency button for over 1 second continuously, when loosing it, the buzzer will sound once.
Press and will enter emergency operation.
Emergency operation: AUTO cooling state, the set temperature 24
℃
, indoor motor at high speed,
not adjusting the temperature sensor abnormal and the protection, the thermostat ON, 3 minutes
later, the compressor starts up, and another 3 minutes later, quit the trial running and enter the
normal operation as the setting(resume temperature sensor and protection); Press again, enter the
shutoff state.
(4) Compulsory cooling operation
In OFF state, press compulsory button for over 10 seconds continuously, loose it and the buzzer
will sound twice, then the unit enters the compulsory cooling operation, or after the panel receives
Summary of Contents for 1U48IN1EAB
Page 8: ...Single Split 6 5 Installation 1 2 1 2 3 4 1 2 1 2 3 4 2 ...
Page 9: ...Single Split 7 ...
Page 10: ...Single Split 8 ...
Page 11: ...Single Split 9 ...
Page 12: ...Single Split 10 ...
Page 13: ...Single Split 11 ...
Page 14: ...Single Split 12 ...
Page 15: ...Single Split 13 ...
Page 16: ...Single Split 14 pipe direction Right Left Rear Bottom Indoor outdoor unit connection ...
Page 27: ...Single Split 25 8 PCB photo Indoor PCB 0010451850 ...
