Mitsubishi Electric PLFY Series Technical & Service Manual page 21

10-2. FUNCTION OF DIP SWITCH
Switch Pole Function
Thermistor <Room temperature
1
detection> position
2
Filter clogging detection
3
Filter cleaning
4
Fresh air intake
SW1
5
Remote indication switching
Function
Selection
6
Humidifier control
7
Air flow set in case of
Heat thermo OFF
8
9
Auto restart function
10
Power ON/OFF
Capacity
SW2
P20
Capacity
1~6
code
setting
P25
1
Heat pump / Cooling only
2 Louver
3
Vane
4
Vane swing function
SW3
5 Vane horizontal angle
Function
setting
Vane cooling limit angle setting w4
6
Indoor linear expansion
7
valve opening
8 Heat 4degrees up
Superheat setting temperature w5
9
Sub cool setting temperature w5
10
In case of replacing the indoor controller board, make sure to set the switch to
the initial setting, which is shown below.
SW4
Unit
1~5
Selection
ON
Built-in remote controller
Provided
2,500h
Effective
Thermo ON signal indication
Fan operation at Heating mode
Low w3
Setting air flow w3
Effective
Effective
SW 2 Capacity
ON ON
P32
OFF OFF
1 2 3 4 5 6
ON ON
P40
OFF OFF
1 2 3 4 5 6
Cooling only
Available
Available
Available
Second setting w6
Horizontal angle
Effective
Not effective
—
—
ON
OFF
1 2 3 4 5
Operation by switch
OFF
Indoor unit
Not provided
100h
Not effective
Fan output indication
Thermo ON operation at heating mode
Extra low w3
Depends on SW1-7
Not effective
Not effective
SW 2
1 2 3 4 5 6
1 2 3 4 5 6
Heat pump
Not available
Not available
Not available
First setting
Down B, C
Not effective
Effective
—
—
21
Effective
Remarks
timing
Indoor controller board
<Initial setting>
ON
OFF
1 2 3 4 5 6 7 8 9 10
Under
suspension
w
SW 1-7 SW 1-8
OFF OFF Extra low
ON OFF Low
OFF ON Setting air flow
ON ON stop
Indoor controller board
<Initial setting>
Before
power
Set for each capacity.
supply
ON
Indoor controller board
Set while the unit is off.
<Initial setting>
ON
OFF
1 2 3 4 5 6 7 8 9 10
Under
Note :
w4
At cooling mode, each angle
suspension
can be used only 1 hour.
w5
Do not use SW3-9, 10 as
trouble might be caused by
the usage condition.
w6 Second setting is same as
first setting.
Indoor controller board
Before
power
supply
ON