Daikin REYQ72, Serveice Manual

Page: 77 / 273

Other Control SiUS39-602
66 Function
5.2.3 In The Case of Multi-Outdoor-Unit System (REYQ144, 168, 192MTJU)
Automatic backup operation
With multi-outdoor-unit system, if a certain outdoor unit system malfunctions (i.e., the system
stops and indoor unit remote controller displays the malfunction), by resetting the system with
the indoor unit remote controller, the applicable outdoor unit is inhibited from operating for 8
hours, thus making it possible to perform emergency operation automatically.
However, in the event any of the following malfunctions occurs, automatic backup operation can
be performed.
Malfunctions under which automatic backup operation can be performed:
• E3, E4, E5, E7
• F3
• H7, H9
• J2, J3, J5, J6, J7, J9, JA, JC
• L3, L4, L5, L8, L9, LC
• U2, UJ
• Emergency operation with settings in service mode
∗
“Inhibition of operation” is set with each outdoor unit.
Make the following settings with the master unit. (Setting with the slave unit becomes disabled.)
∗
Discriminate the operating status of the master unit/slave units through the following LED
display.
• To inhibit the master unit from operating
→
Set
setting mode 2 from No. 38 to No. 2.
(Procedure)
(1) Press and hold the MODE button (BS1) for 5 sec. or
more.
(2) Press the SET button (BS2) 38 times.
(3) Press the RETURN button (BS3) once.
(4) Press the SET button (BS2) once.
(5) Press the RETURN button (BS3) twice.
(6) Press the MODE button (BS1) once.
• To inhibit the slave unit from operating
→
Set
setting mode 2 from No. 39 to No. 2.
(Procedure)
(1) Press and hold the MODE button (BS1) for 5 sec. or
more.
(2) Press the SET button (BS2) 39 times.
(3) Press the RETURN button (BS3) once.
(4) Press the SET button (BS2) once.
(5) Press the RETURN button (BS3) twice.
(6) Press the MODE button (BS1) once.
LED display (
7
:ON
7
:OFF
9
:Blink)
H1P---H7P H8P
(Factory set)
Master:
Slave:
77 7777777 7777 7
7777777 9
LED display (
7
:ON
7
:OFF
9
:Blink)
H1P---H7P
(Factory set)
7 777777
7777 77777
7777779
7777797
7777777
77
7777777
LED display (
7
:ON
7
:OFF
9
:Blink)
H1P---H7P
(Factory set)
7 777777
7777 77777
7777779
7777797
7777777
77
7777777