Automatic Operation; Indoor Fan Speed Control - Panasonic CS-ME5RKUA Service Manual

10.4.2 Temperature Sampling Control

Temperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit
could be obtained.

When capability supply to the indoor unit is OFF and the compressor is ON during heating operation, the indoor
fan motor is stopped. During this condition, 15 seconds after sampling signal from outdoor unit is received, the
indoor fan start operation at low fan speed.

However, within first 4 minutes of capability stopped supply to the indoor unit, even sampling signal is received,
the sampling control is cancelled.
10.5

Automatic Operation


This mode can be set using remote control and the operation is decided by remote control setting temperature,
remote control operation mode, indoor intake and outdoor air temperature.

During operation mode judgment, indoor fan motor (with speed of -Lo) and outdoor fan motor are running for
30 seconds to detect the indoor intake and outdoor air temperature. The operation mode is decided based on
below chart.
10.6

Indoor Fan Speed Control


Indoor Fan Speed can be set using remote control.
10.6.1 Fan Speed Rotation Chart
Mode
COOL
Mode
HEAT
Indoor intake air
temperature (F)
96.8
T1
60.8
55.4
Fan Tap Application
SHi Pwr Me+
Hi Fc, RC
Me+
Me
Me-
Lo Fcmin, RC
Lo- QuietLo
SLo
SSLo Auto Cut
Fan Tap Application
SSHi Pwr Me+
SHi Fh, RC
Me+
Me
Me-
Lo Fhmin, RC
Lo- QuietLo
SLo Thermo Off, Hot start
SSLo Thermo Off
T2
T3
66.2 69.8 73.4 77
Outdoor air
temperature (F)
ME5RKUA
rpm
1080
990
RC 900
RC 820
RC 740
660
570
Dry 550
540
ME5RKUA
rpm
1210
1120
RC 1030
RC 950
RC 860
780
690
580
570
22
Heating Mode
Soft Dry Mode
Cooling Mode
Remote Control
setting temperature
ME7RKUA
rpm
1110
1020
930
840
750
660
570
550
540
ME7RKUA
rpm
1240
1150
1050
960
870
780
690
580
570