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RK30NMVJU Daikin Air Conditioner Cooling Area,

User Manual - Page 12

For RK30NMVJU.

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11 ■English
Facility Setting
(cooling at low outdoor temperature)
WARNING
Make sure to turn the power OFF before removing the service lid.
CAUTION
• Iftheoutdoorunitisinstalledwheretheheatexchangeroftheunitisexposedtodirectwind,provideawindbreakwall.
• Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings.
• Donotplacehumidiersorotheritemswhichmightraisethehumidityinroomswherefacilitysettingsarebeingused.
Ahumidiermightcausedewcondensationfromtheindoorunitoutletvent.
• Activating the facility setting sets the indoor fan tap to the highest position.
Notify the user about this.
• When the outdoor temperature is below –4°F (–20°C) and if SW6-2 in step 2) below is turned on, for the purpose of
protecting the compressor, it may take up to 3 hours for operation to begin while the system warms up.
This function is designed for facilities such as equipment or computer rooms. It is never to be used in a
residence or ofce where people occupy the space.
1) TurningonSW5-3onthePCBwillextendtheoperationrangeto14°F(–10°C).
Installinganairdirectionadjustmentgrille(soldseparately)willfurtherextendtheoperationrangeto–4°F(–20°C).Inthese
cases, the unit will stop operating if the outdoor temperature falls below –4°F (–20°C), restarting once the temperature rises
above this level.
PCB
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
4
3
ON
OFF
2
1
SW5
Turn on switch 3.
Screw
Remove
the switch
cover
2) Only for cooling models
If the unit is to be operated in outdoor temperatures down to –22°F (–30°C), turn on SW6-2 on the PCB, in addition to the
settings in step 1) above. If the outdoor temperature falls below –22°F (–30°C) the unit will stop operating and will only restart
once the temperature rises above –22°F (–30°C).
PCB
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
ON
OFF
2
1
SW6
Turn on switch 2.
01_EN_3P457793-1.indd 11 11/22/2016 10:46:30 AM
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