Some Standard Functions Synopsis - Carrier 51QPD009NS Service Manual

Malfunction display:
When the malfunction happened at the same time, the priority is E4> E3> E2> E1>P1

6.10 Some standard functions synopsis

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6.10.1. Timer function
When the unit is on, press the Timer button will initiate the Auto-off stop program, the TIMER OFF
indicator light illuminates. Press the UP or down button to select the desired time. Press the TIMER
button again within 5 seconds, the Auto-on start program is initiated. And the TIMER ON indicator light
illuminates. Press the up or down button to select the desired Auto-on start time. When the unit is off,
press the Timer button to initiate the Auto-on start program, press it again within five seconds will initiate
the Auto-off stop program. Press or hold the UP or DOWN button to change the Auto time by 0.5 hour
increments, up to 10 hours, then at 1 hour increments up to 24 hours. The control will count down
the time remaining until start. The system will automatically revert back to display the previous temper
ature setting if there is no operation in a five seconds period.
6.10.2. Sleep function
Press this button, the selected temperature will increase (cooling) or decrease (heating) by 1℃/2 ℉30
minutes. The temperature will then increase (cooling) or decrease (heating) by another 1℃/2℉ after
an additional 30 minutes. This new temperature will be maintained for 7 hours before it returns to the
originally selected temperature. This ends the Sleep mode and the unit will continue to operate as
originally programmed.
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