Night Setback Operation; Silent Operation - Mitsubishi Heavy Industries DXK05Z7-W User Manual

NIGHT SETBACK operation

■ During the cold season, the room temperature can be maintained at a comfortable level during the absence, at night, and while the room
is unattended. The air-conditioner maintains the constant temperature at about 10 °C.

SILENT operation

■ When the SILENT operation is set, the unit operates more silently to reduce noise from the outdoor unit.
When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2.
Two types of modes for SILENT operation can be selected.
1
Press the NIGHT SETBACK button.
Every time the NIGHT SETBACK button is pressed, the display is switched
in the order of:
(NIGHT SETBACK on)
How to cancel
Press the NIGHT SETBACK button or MODE button to turn off the NIGHT
SETBACK display.
NOTE
During NIGHT SETBACK operation, the air-conditioner maintains the set
temperature at about 10 °C.
During NIGHT SETBACK operation, temperature settings cannot be made.
Since the room temperature may change quite a bit, it is recommended
that this be used when no one is in the room.
During NIGHT SETBACK operation, HIGH POWER and ECONOMY
operations cannot be set.
When NIGHT SETBACK operation is canceled by pressing the NIGHT
SETBACK button, the operation mode is reset to the mode immediately
prior to the NIGHT SETBACK operation.
With this function, the air-conditioner maintains the room temperature at
10 °C during cold seasons (heating operation).
The air-conditioner does not maintain the temperature at 10 °C during
the hot/warm seasons (cooling operation).
When the room temperature is higher than 10 °C, the fan will stop or
operate at a low speed.
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1
Press the ON/OFF button.
2
Press the SILENT button.
When the operating mode is AUTO, COOL, HEAT or NIGHT SETBACK
Every time the SILENT button is pressed, the display is switched in the order of:
(SILENT on)
How to cancel
Press the SILENT button to turn off the SILENT display.
NOTE
During SILENT operation, the maximum cooling and heating capacities
deteriorate.
SILENT operation will not function during DRY and FAN operation.
In case of following operations, the air-conditioner will resume SILENT
operation whenever it turns ON again.
1 When the air-conditioner is stopped by ON/OFF button during SILENT
operation.
2 When the air-conditioner is stopped in SLEEP or OFF TIMER
operation during SILENT operation.
3 When the operation is retrieved from SELF CLEAN or ALLERGEN
CLEAR operation.
Not operable while the air-conditioner is OFF.
The noise level of the outdoor unit may not decrease depending on the
condition.
EN-22
No display
(NIGHT SETBACK off)
No display
(SILENT off)