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Indoor Unit Switch Functions And Factory Settings - Mitsubishi Electric PURY-HP72 Service Handbook

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[5-1 Dipswitch Functions and Factory Settings ]
5-1-2

Indoor Unit Switch Functions and Factory Settings

(1) Dipswitches
1) SW1,3
Switch
Function
Room temperature
1
detection position
2
Clogged filter detection
3
Filter check reminder time setting
4
Outside air intake
5
Remote display option
SW1
6
Humidifier control
Fan speed setting for
Heating Thermo-OFF
7
Forced heating operation
at OA temp of 5 C or below
Fan speed setting for
Heating Thermo-OFF
8
-
9
Self-recovery after power failure
10
Power source start-stop
1
Unit model selection
2
Louver
3
Vane
4
Vane swing function
5
-
SW3
Vane angle limit setting
for cooling operation
6
Initial vane position
7
Automatic LEV value
conversion function
8
Heating 4°C [7.2°F] up
SHm setting
9
SCm setting
10
Note 1. Settings in the shaded areas are factory settings.(Refer to the table below for the factory setting of the switches whose factory settings are not indicated by the shaded cells.)
Note 2. If both SW1-7 and SW1-8 are set to ON, the fan remains stopped during heating Thermo-OFF.
To prevent incorrect temperature detection due to a build-up of warm air around the indoor unit, use the built-in temperature sensor on the remote controller (SW1-1)
instead of the one on the indoor unit inlet thermistor.
Note 3. By setting SW3-1, SW1-7, and SW1-8 to a certain configuration, the fan can be set to remain stopped during cooling Thermo-OFF. See the table below for details.
Switch setting
Fan speed during Thermo-OFF
SW3-1
SW1-7 SW1-8
OFF
Very Low
OFF
ON
Low
OFF
OFF
Preset speed
ON
ON
Stop
-
OFF
OFF
-
ON
ON
-
OFF
ON
ON
Stop
Note 4. The settings that are configured from the remote controller will automatically be stored on the outdoor unit. The stored settings will automatically be restored when the
indoor unit control board is replaced.
The switch setting may vary depending on the indoor unit's type. Refer to relevant Service Handbook for details.
(2) Address switch
Actual indoor unit address setting varies in different systems. Refer to the installation manual for the outdoor unit for details on how to make
the address setting.
Each address is set with a combination of the settings for the 10's digit and 1's digit.
(Example)
When setting the address to "3", set the 1's digit to 3, and the 10's digit to 0.
When setting the address to "25", set the 1's digit to 5, and the 10's digit to 2.
HWE13080
Function according to switch setting
OFF
Built-in sensor on
Indoor unit inlet
the remote controller
Not available
100h
Disabled
Fan output
Thermo-ON signal
During heating operation
Always on while in the heating mode
Very Low
Not available
According to the
SW1-7 setting
-
Disabled
Disabled
Heat pump
Not available
Not available
Not available
-
Downblow B,C
Enabled
Not available
Enabled
2°C [3.6°F]
10°C [18°F]
Cooling-only/heat pump
Heating
Cooling
Heat pump
Preset speed
Preset speed
Cooling-only
Stop
Stop
Heat pump
- 121 -
Switch setting timing
ON
Available
2500h
Enabled
Low
Available
Preset speed
-
While the unit is stopped
Enabled
(Remote controller OFF)
Enabled
Cooling only
Available
Available
Available
-
Horizontal
Disabled
Available
Disabled
5°C [9°F]
15°C [27°F]
Notes
Set to ON (built-in sensor on the remote controller)
on All Fresh (PEFY-VMH-F) model units
Always set to OFF on PKFY-AM model units
Applicable to All Fresh model units
(PEFY-VMH-F) only
Applicable to All Fresh model units
(PEFY-VMH-F) only
Always set to OFF on PKFY-VAM model units
Always set to Downblow B or C on
PKFY-VAM model units
PLFY-VLMD model only
Set to ON on floor-standing
(PFFY) type units
The setting depends on the
model and type.
The setting depends on the
model and type.
GB

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