Configuration; Facility Setting; To Set The Facility Mode; Standby Electricity Saving Function - Daikin RXM20A5V1B Installer's Reference Manual

11 Configuration

11.1 Facility setting

11.1.1 To set the facility mode

11.2 Standby electricity saving function

11.2.1 About the standby electricity saving function

RXM-A, ARXM-A
R32 split series
4P718129-3A – 2023.07
Use this function for cooling at low outdoor temperature. This function is designed
for facilities such as equipment of computer rooms. NEVER use in a residence or
office where people occupy the space.
When cutting jumper J7 on the PCB, the operation range will expand to –15°C. The
facility mode will stop if the outdoor temperature drops below –20°C and resume
when the temperature rises again.
To cut jumper J7
1 Remove the top plate of the outdoor unit.
2 Remove the front plate.
3 Remove the drip proof (electrical components) cover.
4 Cut jumper J7 on the outdoor unit PCB.
4×
a Top plate
b Front plate
c Drip proof (electrical components) cover
d Jumpers
INFORMATION
▪
The indoor unit may produce Intermittent noise due to the outdoor unit fan
turning ON and/or OFF.
▪
Do NOT place humidifiers or other items which might raise humidity in rooms
when you use the facility mode.
▪
Cutting jumper J7 sets the indoor unit fan to the highest speed.
▪
Do NOT use this setting in residences or offices with people.
This mode turns OFF the power supply of the outdoor unit and sets the indoor unit
into the standby saving mode to reduce the power consumption of the unit.
a
c
b
7×
11 Configuration
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d
J9 J5 J7 J8 J12
Installer reference guide
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