Mitsubishi Electric Fresh Master GUF-50RDH4 Installation Instructions Manual page 20

9.3.1. Filter maintenance time setting
Set the filter maintenance display ON/OFF and time according to
use.
Switch OFF ON
2 Filter maintenance display ON
2
Filter maintenance display OFF*
3
1,500 hours
4
SW1
3
3,000 hours*
4
3
4,500 hours
4
3
Unrestricted
4
When the accumulated operation time reaches the set time, indica-
tion for filter cleaning is notified to the Remote controller.
After cleaning, press the filter button twice to reset the accumulated
operation time.
9.3.2. Power-failure auto-recovery select
(independent of Fresh Master)
Set the Fresh Master operation condition when power failure is
recovered.
Switch OFF ON
Fresh Master stopped when power failure is
9
recovered.*
SW1
Fresh Master recovers to the prior state
9
when power failure is recovered.
9.3.3. Power ON feature
Set whether to operate the Fresh Master or not when the main
power is turned ON.
Switch OFF ON
Inactive: operates according to the SW1-9
10
setting*
SW1
10 Active: operation starts with power ON
9.3.4. Indoor unit and synchronous setting
Setting to synchronize with the indoor unit.
Switch OFF ON
1
Synchronizing with the indoor unit*
SW3
Asynchronous with the indoor unit. The
1
Remote controller operation only.
Maintenance time
Mode
Mode
Mode
9.3.5. Humidifier mode select (GUF-50,
100RDH4 only)
Setting the humidifier mode.
Switch OFF ON
2
Standard humidifier mode*
SW3
2 Heat save humidifier mode (see below)
Used when operating only the Fresh Master and the temperature
during heating becomes too hot. The heating capability can be
saved lower temperature than normal.
9.3.6. Heat operation stop temperature setting
(GUF-50, 100RDH4 only)
Stopping the heating operation when synchronous with the indoor
unit.
It becomes invalid when SW3-1 is ON.
Set outside
Switch OFF ON
temperature
3
4
5
3
4
5
SW3
3
4
5
3
4
5
9.3.7. Exhaust fan operation setting
Setting the exhaust fan operation, although the supply fan will stop
when defrosting during heating or when withdrawing the refrigerant.
Switch OFF ON
Exhaust fan in operation even when the
6
supply fan is stopped*
SW3
Exhaust fan is stopped wen the supply fan
6
is stopped
9.3.8. Automatic humidifier control setting
(GUF-50, 100RDH4 only)
Although the permeable-film humidifier is supplied with water for
humidifying when heating, there is a feature to automatically stop the
water supply depending on the outside temperature.
Switch OFF ON
Automatic humidifier control prohibited*
Water is supplied to the permeable-film
8
humidifier constantly when the heater is in
operation.
SW3
Automatic humidifier control permitted
When the outside temperature is below
8
12°C during heating operation, supply water
to the permeable-film humidifier.
Mode
Set outside
OFF ON
temperature
3
6°C 10°C*
4
5
3
7°C 12°C
4
5
3
8°C 4 14°C
5
3
9°C 16°C
4
5
Mode
Mode
18