Panasonic CS-E18SD3UAW service manual - Page 49

Heating Operation, Automatic Operation, Indoor Fan Motor Operation

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12.1.4 Heating Operation 12.1.4.1 Thermostat control  Compressor is OFF when Intake Air Temperature - Internal Setting Temperate > +3.6°F.  Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point. 12.1.5 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature.  During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the indoor intake air temperature.  Every 10 minutes, the indoor temperature is judged.  For the 1st judgment o If indoor intake temperature - remote control setting temperature ≥ 3.6°F, COOL mode is decided. o If -3.6°F ≤ indoor intake temperature - remote control setting temperature < 3.6°F, DRY mode is decided. o If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided. Heat Dry Cool -10.8 -9 -7.2 -5.4 -3.6 -1.8 0 1.8 3.6 5.4 7.2 9 10.8  For the 2nd judgment onwards o If indoor intake temperature - remote control setting temperature ≥ 5.4°F, if previous operate in DRY mode, then continue in DRY mode. Otherwise COOL mode is decided. o If -3.6°F ≤ indoor intake temperature - remote control setting temperature < 5.4°F, maintain with previous mode. o If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided. Heat Maintain Cool/Dry -10.8 -9 -7.2 -5.4 -3.6 -1.8 0 1.8 3.6 5.4 7.2 9 10.8 12.1.6 Indoor Fan Motor Operation A. Basic Rotation Speed (rpm) i. Manual Fan Speed [Cooling, Dry]  Fan motor's number of rotation is determined according to remote control setting. Remote Control O O O O O Tab (rpm) Hi Me+ Me Me- Lo [Heating]  Fan motor's number of rotation is determined according to remote control setting. Remote Control O O O O O Tab (rpm) Shi Me+ Me Me- Lo ii. Auto Fan Speed [Cooling, Dry]  According to room temperature and setting temperature, indoor fan speed is determined automatically. 49

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49
12.1.4
Heating Operation
12.1.4.1
Thermostat control
Compressor is OFF when Intake Air Temperature - Internal Setting Temperate > +3.6°F.
Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature <
Compressor OFF point.
12.1.5
Automatic Operation
This mode can be set using remote control and the operation is decided by remote control setting temperature,
remote control operation mode and indoor intake air temperature.
During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the
indoor intake air temperature.
Every 10 minutes, the indoor temperature is judged.
For the 1st judgment
o
If indoor intake temperature - remote control setting temperature
≥
3.6°F, COOL mode is decided.
o
If -3.6°F
≤
indoor intake temperature - remote control setting temperature < 3.6°F, DRY mode is decided.
o
If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided.
Heat
-10.8
-9
-7.2
-5.4
-3.6
-1.8
0
1.8
3.6
5.4
7.2
9
10.8
Dry
Cool
For the 2nd judgment onwards
o
If indoor intake temperature - remote control setting temperature
≥
5.4°F, if previous operate in DRY mode,
then continue in DRY mode. Otherwise COOL mode is decided.
o
If -3.6°F
≤
indoor intake temperature - remote control setting temperature < 5.4°F, maintain with previous
mode.
o
If indoor intake temperature - remote control setting temperature < -3.6°F, HEAT mode is decided.
Maintain
Cool/Dry
Heat
-10.8
-9
-7.2
-5.4
-3.6
-1.8
0
1.8
3.6
5.4
7.2
9
10.8
12.1.6
Indoor Fan Motor Operation
A. Basic Rotation Speed (rpm)
i. Manual Fan Speed
[Cooling, Dry]
Fan motor’s number of rotation is determined according to remote control setting.
Remote Control
O
O
O
O
O
Tab (rpm)
Hi
Me+
Me
Me-
Lo
[Heating]
Fan motor’s number of rotation is determined according to remote control setting.
Remote Control
O
O
O
O
O
Tab (rpm)
Shi
Me+
Me
Me-
Lo
ii. Auto Fan Speed
[Cooling, Dry]
According to room temperature and setting temperature, indoor fan speed is determined automatically.