Mitsubishi Electric PLA-RP-BA Series Installation Manual page 13

6. Electrical work
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How to fi nd air conditioner No.
Each air conditioner has its own refrigerant address No. and unit No.
(Example below).
To fi nd air conditioner No. to set, refer to the procedures below.
Air conditioner No. is found by its airflow direction with the unit No.
changed one after the other.
Flow of procedure
Refrigerant
address
Unit No."1" Unit No."2"
As for this air conditioner,
air conditioner No. is "unit No. 1" of
refrigerant address "0".
Check from refrigerant address 00 at first.
Change to unit No.1 and check
Change to unit No.2 and check
Change to unit No.3 and check
Change to unit No.4 and check
Change to unit No.1 and check
Change to unit No.2 and check
Change to unit No.3 and check
Change to unit No.4 and check
When "Err" is displayed, refrigerant address
does not have further "unit No.".
Change to the next "refrigerant address No..
(Refrigerant No "00"~max. No."15")
<Process to fi nd air conditioner No.>
[1] To check refrigerant address No. 00 and unit No. 1
1.Press Mode button (Return button) 4 and unit No. or refrigerant
address No. blinks.
Adjust refrigerant address No.to "00" and unit No."1" with Set
Temperature button 5.
Outlet No. Up/Down air direction
Unit No.
2.Press Filter button 3 to send the information on remote controller.
3. Wait for 15 seconds . How does the air conditioner run?
→Only air from the outlet of which No. displayed on remote controller
blows downward.
→Refrigerant address No.00 and unit No.1 are the air conditioner No..
→All outlets are closed.
→Go to step [2].
[2] To check by changing unit No. one after the other
(Maximum unit No. is 4)
1.Press Mode button (Return button) 4 and unit No. blinks.
Unit No. Outlet No.
Refrigerant
address
No."00" No."01"
Unit No."1" Unit No."2"
Remote controller
Change to unit No.1 and check
Change to unit No.2 and check
Change to unit No.3 and check
Change to unit No.4 and check
Change to unit No.1 and check
Change to unit No.2 and check
Change to unit No.3 and check
Change to unit No.4 and check
Refrigerant address No.
Up/Down air direction Refrigerant address No.
Adjust to the next unit No. with Set Temperature button 5 .
(refrigerant address No.00 is remained.)
2. Press Filter button 3 to send the information on remote controller.
3. Wait for 15 seconds . How does the air conditioner run?
→Only air from the outlet which No. displayed on remote controller
blows downward.
→No. displayed in remote controller is air conditioner No.(Checking
completed)
→All outlets are closed.
→Repeat [1] and check. (If all the numbers are checked up to No.4
and is not found, go to [3].)
→"Err" is displayed on remote controller.
→The refrigerant address does not have further unit No.. (Go to [3].)
[3] To check Unit No. of following refrigerant address No.(Maximum
refrigerant address No. is 15)
1.Press Mode button (Return button) 4 to blink refrigerant address No..
Adjust refrigerant No. with Set Temperature button 5.
* By changing refrigerant address, unit No. and outlet No. turn to initial
display.
2.Go back to [2] and check Unit No. again from Unit No. 1 in order.
Unit No. Outlet No. Up/Down air direction Refrigerant address No.
To clear fi xed setting
To clear all fi xed setting(reset to initial setting), press check button(clear
botton)6 for more than 3 seconds in fi xed airfl ow direction mode.
Display of remote controller blinks and the set information is cleared.
Note: This operation clears the fi xed setting information of all air
conditioner connected to the remote controller.
Err
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