Static Pressure Adjustment; Change Auto-Address; Address Setting Of Main Iu; Iu Back-Up Function - Mitsubishi RC-EX3 Installation Manual

⑩ Static pressure adjustment

Static pressure adjustment
Pa
Tap ▲▼ to set the value of Pa.
This is operable in case of connecting
duct type IU equipped with the external
static pressure adjustment function. Select
the external static pressure and tap the
Set button.

⑬ Address setting of main IU

Address setting of main IU
Tap ▲▼ to set address & [Set].
In case of Multi Series (KX) models, it is
possible to let indoor units (Sub IUs) follow
the operation mode (Heating, cooling) of
the indoor unit (Main IU). Set the address
of the Main IU to the Sub IUs The Sub IUs
to which the Main IU address is set follow
the Main IU settings.

⑭ IU Back-up function

IU back-up function
IU rotation Disable
IU capacity back-up
Disable
IU fault back-up
Disable
Enter
Select the item.

⑪ Change auto-address

Change auto-address
IU address
AUTO
Set
Change
Back
Select the IU address to be changed.
Ⅰ
In case of Multi series (KX) models, the IU addresses registered with the auto-address
setting method can be changed with this function.
This function changes the OU address for each IU. Select an IU and,
Ⅰ When an indoor unit is selected and the Change button is tapped, the display
changes to the Change auto-address screen ⑫ .
Ⅱ Tap the Set button to return to the screen ⑪ and display the new address.
Ⅲ Tap the Finish button to register the new address.
Cancel
Set
Back
In case of 2 sets of indoor units (2 groups) connected to one R/C, it is available to perform
back-up operation with them.
1. IU rotation: Operate 2 sets of indoor units alternately at every set time of operation
interval.
2. IU capacity back-up: When the temp difference between the set temp and the actual
Details 15
room temp is higher than the set temp diff., 2 sets of indoor units operate.
16
Details
3. IU fault back-up: If one of the IU has a fault and stops, the other one starts operation.
Select Enable / Disable (tapping Disable changes to Enable ) and tap the Enter
button to confirm the settings.
Back
Finish
OU address
Ⅲ
Next Back
−16−
⑫ Change auto-address
Change auto-address
OU address
IU address
No.0
No.2
Tap ▲▼ to set address & [Set].
Set
Ⅱ
Back