Mitsubishi Electric City Multi PLFY Series, Technical & Service Manual, Page: 26 / 40

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8-2. FUNCTION OF DIP SWITCH
The black square (■) indicates a switch position.
Switch Pole Function
Operation by switch
Effective
timing
Remarks
ON OFF
SW1
Function
Selection
1
Thermistor
<Room temperature
detection> position
Built-in remote
controller
Indoor unit
Under
suspension
Address board
ON
OFF
ON
OFF
1 2 3 4 5 6 7 8 9 0
<Initial setting>
* 1 Refer to <Table A> below.
2 Filter clogging detection Provided Not provided
3 Filter cleaning 2,500 hr 100 hr
4 Fresh air intake Effective Not effective
5
Switching remote
display
Thermo-ON signal display Indicating fan
operation ON/OFF
6 — — —
7
Air flow set in case of
thermo-OFF at heating mode
Low*
1
Extra low*
1
8 Setting air flow*
1
Depends on SW1-7
9 Auto restart function Effective Not effective
0 Power ON/OFF by breaker Effective Not effective
SW2
Capacity
code
setting
1–6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
25
MODELS MODELS SW2 SW2
32
40
50
63
ON
OFF
1 2 3 4 5 6
20
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
MODELS SW2
80
100
ON
OFF
1 2 3 4 5 6
125
Before
power
supply
ON
Indoor controller board
Set while the unit is off.
<Initial setting>
Set for each capacity.
SW3
Function
setting
1 Heat pump/Cooling only Cooling only Heat pump
Under
suspension
Indoor controller board
<Initial setting>
ON
OFF
1 2 3 4 5 6 7 8 9 0
* 2 Refer to <Table D> below for SW3-5
and SW-3-6.
2 — — —
3
3D i-see Sensor
positioning
The setting depends on the combination of
SW3-3 and SW3-4. Refer to <Table B> below.
Before power
supply ON
4
5
Vane horizontal angle
1
Second setting*
2
First setting*
2
Under
suspension
6 Vane horizontal angle
2
Third setting*
2
Depends on SW3-5
7
Changing the opening of
linear expansion valve Effective
Not effective
8 Heat 4 degrees up Not effective Effective
9
3D i-see Sensor
ceiling height setting
The setting depends on the combination of
SW3-9 and SW3-10. Refer to <Table C> below.
0
SW4
Model selection 1–6
In case of replacing the indoor controller board, make sure to set
the switch to the initial setting, which is shown below.
ON
OFF
1 2 3 4 5 6
Before
power
supply
ON
Indoor controller board
<Table A>
SW1-7 SW1-8
OFF OFF Extra low
ON OFF Low
OFF ON Setting air flow
ON ON stop
<Table D>
SW3-5 SW3-6 Vane setting Initial setting Setting Vane position
OFF OFF Setting
1
Standard Standard
ON OFF Setting
2
●
Less draft*
3
Upward position than the standard
OFF ON Setting
3
Less smudging Downward position than the standard
ON ON Unused ─ ─
*
3 Be careful of the smudge on ceiling.
<Table B>
SW3-3 SW3-4
OFF OFF Setting
1
ON OFF Setting
2
OFF ON Setting
3
ON ON Setting
4
<Table C>
SW3-9 SW3-10
OFF OFF Low ceiling
ON OFF Standard
OFF ON High ceiling
ON ON (High ceiling)
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