Refrigerant Address And Unit Address No. Registration - Mitsubishi Electric PAC-YT53CRAU Installation Manual

* If the remote controller enters the OFF state after the "
displays " " have flashes for two seconds, communication is probably abnormal. Make sure there
are no noise sources near the transmission line.
NOTE: If you make a mistake during operation, end function selection by step 0 and repeat
selection from step 2.
4 Set the indoor unit address No.
Press the D [ FAN] button. The unit address No. display "– –" flashes.
When the B [TEMP.
the order of 00 ↔ 01 ↔ 02 ↔ 03 ↔ 04 ↔ AL. Set it to the unit address No. of the indoor unit whose
functions you want to set.
Unit address No.
display
* When setting mode 1 ~ 6, set the unit address No. to "00".
* When setting modes 7 to 14:
- When setting for each indoor unit, set the unit address No. to "01-04".
- When batch setting for all indoor units, set the unit address No. to "AL".

5 Refrigerant address and unit address No. registration

Press the A [ON/OFF] button. The refrigerant address and unit address No. are registered.
After a while, the mode No. display "– –" flashes.
Mode No. display
* When " " flashes at the room temperature display, the selected refrigerant address is not in the
system. When "F" is displayed at the unit address No. display, and when it flashes together with
the refrigerant address display, the selected unit address No. does not exist. Correctly set the
refrigerant address and unit address No. by repeating steps 3 and 4.
When registered using the A [ON/OFF] , the registered indoor unit begins fan operation.
When you want to know the location of the indoor units of the unit address No. whose functions
were selected, check here.
When the unit address No. is 00 or AL, all the indoor units of the selected refrigerant address
perform the fan operation.
EX): When refrigerant address 00, unit address No. = 02 registered
Registration
* When grouping by different refrigerant systems and an indoor unit other than the specified
refrigerant address performs the fan operation, the refrigerant address set here is probably
duplicated.
Recheck the refrigerant address at the outdoor unit dip switches.
] and C [TEMP. ] buttons are pressed, the unit address No. changes in
Refrigerant address 00
Outdoor unit
Unit address
Indoor unit
No. 01
Simple MA Controller
– 18 –
(FUNCTION)" and room temperature
Unit address Unit address
No. 02 No. 03
Fan operation