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5 Coil frost protection
When indoor coil temperature becomes 5°F or below,coil frost protection will proceed as follows.
<Start condition>
After the compressor has been continuously operated for 3 minutes or more,and the indoor coil temperature has been
5°F or below for 3 minutes,the coil frost protection will start.
<Coil frost protection>
Compressor stops for 6 minutes,and then restarts.
lf the start condition is satisfied again during the first 10 minutes of compressor operation,both the indoor and outdoor
units stop,displaying a check code of “P6” on the remote controller.
<Termination conditions>
Coil frost protection is released when the start condition is not satisfied again during the allowance, or when the COOL
mode stops or changes to another mode.
(2) Indoor fan control
Indoor fan speed LOW/HIGH depends on the remote controller setting.
However, if an outdoor unit abnormality is detected, the indoor fan speed will be LOW, regardless of the remote controller
setting.
When the outdoor unit abnormality detection is released and the fan speed returns to the set speed, the quiet cycle control
will work.
(a) Normal control
( i ) Fan speed LOW/HIGH depends on the remote controller setting regardless of the thermostat ON/OFF.
(ii) Fan speed will remain on LOW if an abnormality in outdoor unit is detected. (5 minutes)
When the abnormality detection is released, the fan speed returns to the set speed.
OC277-29
1 Start-up of outdoor unit abnormality detec-
tion.
2 Release of outdoor unit abnormality detec-
tion.
3 Unit stop due to outdoor unit abnormality
with P8 indication.
NOTE 1 : Fan stops immediately if the unit stops or the check mode is started.
5 minutes
SET
LOW
5 minutes
SET
LOW
OFF
OC277--1.qxp 01.12.14 13:02 Page 29