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SiUS342303E Main/Sub Setting
Part 3 Remote Controller 84
3.2.2 Designating a Controller as Main or Sub
Prerequisite: A remote controller is already connected to the indoor u nit.
Connect a second controller.
After t
u rning on the power, perform setting of the second controller.
Result: It will start u p a u tomatically.
Home screen
U5
1
Wait for a U5 or U8 error code to appear on the screen.
Screen display explanation
1 main
2 s ub
Home screen
2
When the U5 error code appears, press and hold u ntil
“2” appears on the screen.
When the U8 error code appears, press
and hold u ntil
“1” appears on the screen.
Result:
A controller displaying 1 is set as main, and a controller
displaying 2 is set as s
ub .
INFORMATION
If s ub remote controller is not set at power-on in the case of one indoor u nit controlled b y two remote
controllers, Error Code: U5 is displayed in the connection checking screen.
If the s
ub remote controller does not display the home screen two min u tes after its designation, t u rn
off the power and check the wiring.