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1 Check the function selection set contents.
2 Switch to the FUNCTION SELECTION mode.
(Press D and C simultaneously in the remote controller OFF state.)
3 Refrigerant address specification → 00 (Outdoor unit specification)
4 Unit address No. specification
(Buttons B, C and D operation)
5 Registration (Press button A.)
6 Mode No. Selection → 02 (Room temperature detection position)
7 Setting No. selection → 3 (remote controller fixed)
(Buttons B, C and D operation)
8 Register (Press button A.)
? Ending function display (Press buttons D and C simultaneously.)
[Procedure] (Set only when change is necessary.)
1 Check the set contents of each mode. When the set contents of a mode were changed by function selection, the functions of that mode also change.
Check the set contents as described in steps 2 to 7 and change the setting based on the entries in the Table 1 check field. For the factory settings, refer to the indoor unit installation manual.
2 Set the remote controller to Off.
Press and hold down the D [
the C [TEMP. (
)] buttons at the same time for two seconds or
longer.
"
(FUNCTION)" blinks for a while, then the remote controller
F
display changes to the display shown below.
Refrigerant address
display
* If the remote controller enters the OFF state after the "
nication 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 ? and repeat selection from step 2.
4 Set the indoor unit address No.
Press the D [
(Fan Speed Adjustment)] button. The unit ad-
dress No. display "– –" flashes.
Unit address No. display
* When setting mode 1 to 3, set the unit address No. to "00".
* When setting modes 7 to 11:
- 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 ad-
dress No. are registered.
After a while, the mode No. display "– –" flashes.
Mode No. display
* When "
" flashes at the room temperature display, the selected refrig-
erant 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 ad-
dress No. by repeating steps 2 and 3.
6 Mode No. selection
Select the mode No. you want to set with the B [TEMP. (
(Unnecessary for single refrigerant system.)
→ 00 (Indoor unit specification)
(Specified indoor unit →
Fan operation)
NO
End?
YES
(Fan Speed Adjustment)] and
(FUNCTION)" and room temperature displays "
F
)] and C [TEMP. (
Mode No. display
YES
B
Change
NO
refrigerant
address and unit
address No.?
C
9
3 Set the outdoor unit refrigerant address No.
When the B [TEMP. (
)] and C [TEMP. (
refrigerant address No. decreases and increases between 00 and 15.
Set it to the refrigerant address No. whose function you want to select.
(This step is unnecessary for single refrigerant system.)
When the B [TEMP. (
)] and C [TEMP. (
address No. changes in 00 ↔ 01 ↔ 02 ↔ 03 ↔ 04 ↔ AL order. Set it to the
unit address No. of the indoor unit whose functions you want to set.
When registered using the A [ON/OFF] , the registered indoor unit be-
gins 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
Refrigerant address 00
Indoor unit
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.
)] buttons. (Only the settable mode numbers can be selected.)
Mode No. 02 = Room temperature detection position
ON/OFF
TEMP.
PAC-YT51CRA
)] buttons are pressed, the
" have flashes for two seconds, commu-
)] buttons are pressed, the unit
Outdoor unit
Unit address
Unit address
Unit address
No. 01
No. 03
No. 02
Fan operation
Simple MA Controller
A
D
6
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