Mitsubishi Heavy Industries FDE112KXE6A Service Manual Download

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(8)

Filter sign

As the operation time (when ON/OFF switch is at ON) accumulates to 180 hours (1), “Filter cleaning” is displayed on the
remote controller. (This is also displayed when the unit is in trouble and under the centralized control, regardless of ON/OFF)

Note (1) Time setting for the filter sign can be made as shown below using the indoor function of wired remote controller “Filter sign setting”. (It is set at 1 at the

shipping from factory.)

Filter Sign Setting

Setting 1

Setting 2

Setting 3

Setting 4

Function

Setting time: 180 hrs (Factory default)

Setting time: 600 hrs

Setting time: 1,000 hrs

Setting time: 1,000 hrs (Unit stop)

(2)

(2) After the setting time has elapsed, the “Filter cleaning” is displayed and, after operating for 24 hours further (counted also during the stop), the unit stops.

(9)

Auto swing control [Applicable model: FDT, FDTC, FDTW, FDTS, FDTQ (Excepted duct panel model) FDK

and FDE]

(a) Louver control

(i) Press the [Louver] button to operate the swing louver when the air conditioner is operating.

“Auto wind direction” is displayed for 3 seconds and then the swing louver moves up and down continuously.

(ii) To fix the swing louver at a position, press one time the [Louver] button while the swing louver is moving so that

four stop positions are displayed one after another per second.

When a desired stop position is displayed, press the [Louver] button again. The display stops, changes to show the
“Louver stop” for 5 seconds and then the swing louver stops.

(iii) Louver operation at the power on

The louver swings one time automatically (without operating the remote controller) at the power on.

This allows inputting the louver motor (LM) position, which is necessary for the microcomputer to recognize the
louver position.

Note (1) If you press the Louver button, the swing motion is displayed on the louver position LCD for 10 second. The display changes to the “Auto wind

direction” display 3 seconds later.

(b) Automatic louver level setting during heating

While hot start operation and heating thermostat OFF operation, the louver keeps the level position (In order to prevent
the cold draft) whether the auto swing switch is operated or not (auto swing or louver stop), The louver position display
LCD continues to show the display which has been shown before entering this control.

When the louver-free stop has been selected with the indoor function of wired remote controller “Louver control setting”,
the louver motor stops when it receives the stop signal from the remote controller. If the auto swing signal is received
from the remote controller, the auto swing will start from the position where it was before the stop.

Note (1) When the indoor function of wired remote controller “Louver control setting” has been switched, switch also the remote control function “Louver

control setting” in the same way.

(10) Compressor inching prevention control

(a) 3-minutes timer

When the compressor has been stopped by the thermostat, remote controller operation switch or anomalous condition, its
restart will be inhibited for 3 minutes. However, the 3-minute timer is invalidated at the power on.

(b) 3-minutes forced operation timer

• Compressor will not stop for 3 minutes after the compressor ON. However, it stops immediately when the thermostat is

turned OFF by the stop command by means of the ON/OFF switch or the change of operation mode.

• If the thermostat is turned OFF during the forced compressor operation in heating mode, the louver position (with the

auto swing) is returned to the level position.

Note (1) The compressor stops when it has entered the protective control.