When unit is in HEAT mode, after sleep mode has been set properly, the preset Tset will be increased by 1 after the sleep program has run for 1
hour, and Tset will be decreased by another 1 after 2 hours.Tset has been increased by 2 totally in two hours Then the unit will run at this temperature and at the set speed.
In Auto OR fan mode, the setting temp. will not change.
6.1.3.5 Toggle switch
1, If memory function is on, when unit is
2, If there is no memory function, unit will operate under previous switch position.
When toggle switch is on AUTO, unit operates in AUTO mode, and air swing on; if there is signal of remote control, then unit operates according to signal.
When toggle switch is on TEST, indoor fan runs in high speed, and air swing on; indoor unit sends out signal of Cool mode on 16 and 30 ambient temperature to outdoor unit. If malfunction of indoor or outdoor temp. sensor is detected, buzzer will give out beep to alarm. If there is signal of remote control, unit operates as per remote control and indoor unit sends remote control signal to outdoor unit.
6.1.3.6 Communication failure
Communication failures happen if there is no correct signal received for 3 minutes
6.1.3.7 Buzzer control
When unit is power on or receiving remote control signal or the toggle switch is pressed, the buzzer will give out a beep.
6.1.3.8 Power-off memory function
1)contents of memory: mode(AUTO, COOL, DEHUMIDIFYING, HEATING, etc), setting fan speed, setting temperature, Timing etc.
2)if unit was on when power off, 3 minutes is delayed for indoor unit to send signal of starting to outdoor unit.
3)When power is on again, unit will operate in previous mode before
4)If there was no timer function in the last remote control dictation, then unit will memorize the last remote control dictation and operate according to the previous mode
5)If there was timer function in the last remote control dictation and system was
6)If there was timer function in the last remote control dictation and system was
6.1.3.9 Failure detect of indoor temp. sensor
When unit is defrosting, temp sensor malfunction is not under detection. In other status temp sensor malfunction of indoor ambient and tube are under malfunction. If the temperature is not between the minimum and maximum for continuous 30s, signal of error will be sent out.
When indoor temp sensor failures, it will send signal of closing down unit to outdoor unit.
6.1.3.10 Method for testing (min, med, nominal, max cooling or heating)
| Temp. set in remote control | 16 |
| 17 | 18 | 19 |
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| In Cool mode, press Sleep button 4 | Min. cooling | Med. Cooling | Nominal cooling | Max. cooling |
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| Temp. set in remote control | 27 |
| 28 | 29 | 30 |
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| In Heat mode, press Sleep button 4 | Min. heating | Med. heating | Nominal heating | Max. heating |
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Press any button to exit. |
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Cooling mode: temperature signal sent to outdoor unit is compulsively set 16 | when cooling capacity is min, med, nominal or max. | ||||||
Heating mode: temperature signal sent to outdoor unit is compulsively set 30 | when heating capacity is min, med, nominal or max. |
Notice: when test is started, relevant indicating lamp blinks quickly. If there is malfunction, it will be displayed directly