Night Setback Operation; Silent Operation - Mitsubishi Heavy Industries SRK20ZM-S 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 reducing noise from the outdoor unit.
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)
Releasing procedure
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, none of HIGH POWER and
ECONOMY operations can be set.
• When NIGHT SETBACK operation is cancelled by pressing the NIGHT
SETBACK button, the operation mode is reset to the mode immediately
prior to the NIGHT SETBACK operation.
If the air-conditioner is not operating, point the remote control toward the air conditioner, and
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)
Releasing procedure
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.
• It will go into SILENT operation at the next time the air-conditioner runs in
the following case.
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 op-
eration during SILENT operation.
3 When the operation is retrieved from 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.
• In case of SCM multi system, SILENT control function is invalid.
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No display
(NIGHT SETBACK off)
No display
(SILENT off)