Mitsubishi Electric PUHY-P250YJM-A, Service Manual

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VIII
Control ]
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HWE10190 GB
2. Function of the switch (Indoor unit)
(1) Dipswitches (Standard type)
1) SW1,3, 7, 8
1) The setting timings for the dipswitches 1 and 3 is when the units are stopped (remote controller is switched off). Power reset
is not required.
2) The settings in the shaded areas indicate factory settings.
Switch Function
Function according to switch setting
Switch setting
timing
Notes
OFF ON OFF ON
SW1
1
Room temperature de-
tection position
Indoor unit return air
Built-in sensor on the re-
mote controller
When the unit is
stopped (remote
controller is
switched off)
2
Filter sign
3
4
Outdoor air intake Disabled Enabled
5
Remote display option Fan output Thermo-ON signal
6
- - -
7 - - -
8 - - -
9
Automatic recovery after
power failure
Disabled Enabled
Set these switches to OFF
when SWC is set to ON.
10
Power reset Disabled Enabled
SW3
1
- - -
2
Capacity code Refer to the table on the setting combination with SW2.
3
Forced Thermo-ON Disabled Forced Thermo-ON
Return air temp. and preset
temp. are fixed.
4
Fan operation during de-
frost cycle
OFF ON
5
- - -
6
Heat dissipation 1 min. (heating only)
3 min. 5 sec. (regardless
of the operation mode)
7
Automatic LEV value
conversion function
Not available Available
8
Negative 4°C [7.2°F] off-
set (heating)
Enabled Disabled
Set this switch to ON (disabled)
on the floor-standing units.
9
- - -
Factory settings for these
switches depend on the unit
capacity. Refer to section 2). 10
- - -
SW7
1
- - -
2
- - -
3
- - -
4
- - -
SW8
1
- - -
2
Forced Thermo-OFF
during test run
Enabled Disabled
To be enabled on the indoor
units in a multiple-refrigerant-
circuit system.
3
- - -
F i l t e r s i g n 1 0 0 h
O F F
O F F
S W 1 - 2
S W 1 - 3
O N
O F F
O F F
O N
O N
O N
1 2 5 0 h N / A 2 5 0 0 h
P 2 5 0 , P 5 0 0
O N
O F F
S W 1 - 2
S W 1 - 3
O F F
O N
P 7 5 0 Factory setting
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