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● OPERATING INSTRUCTIONS ●
S
ELECTING OPERATION MODES <for MSZ (Heat pump)>
1
Press
to start the operation.
2
Press
to select operation mode. Each press
changes mode in the following order:
(AUTO)
(COOL)
3
Press
or
to set the temperature.
Each press raises or lowers the temperature by 1°F
(1°C).
Press
to stop the operation.
• The same setting is selected the next time by simply pressing
Note:
Multi system operation
Two or more indoor units can be operated by one outdoor unit. When several
indoor units are operated simultaneously, cooling and heating operations can-
not be done at the same time. When COOL is selected with one unit and HEAT
with another or vice versa, the unit selected last goes into standby mode.
Note:
Operation indicator lamp
The operation indicator lamp shows the operation state of the unit.
Indication
Operation state
The unit is operating to reach the set
temperature
The room temperature is approach-
ing the set temperature
Standby mode (only during multi
system operation)
Lit
Blinking
En-5
(DRY)
(HEAT)
.
Room temperature
About 4°F (2°C) or
more away from set
temperature
About 2 to 4°F (1 to
2°C) from set tem-
perature
—
Not lit
AUTO mode (Auto change over)
The unit selects the operation mode according to the difference between the
room temperature and the set temperature. During AUTO mode, the unit
changes mode (COOL↔HEAT) when the room temperature is 4°F (2°C)
away from the set temperature for more than 15 minutes.
Note:
Auto Mode is not recommended if this indoor unit is connected to a MXZ
type outdoor unit. When several indoor units are operated simultaneously,
the unit may not be able to switch operation mode between COOL and
HEAT. In this case, the indoor unit becomes standby mode (Refer to table
of Operation indicator lamp).
COOL mode
Enjoy cool air at your desired temperature.
Note:
Do not operate COOL mode at very low outside temperatures.
(less than 14°F [-10°C])
Water condensed in the unit may drip and wet or damage furniture, etc.
DRY mode
Dehumidify your room. The room may be cooled slightly.
Temperature cannot be set during DRY mode.
Note:
When the fan speed is set to AUTO, the unit will dehumidify while control-
ling the fan speed. Depending on the environment, the fan speed may
change periodically or the fan may stop.
HEAT mode
Enjoy warm air at your desired temperature.
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