Mitsubishi Electric PLA-A12EA8 Service Manual page 60

■
Refrigerant address
Single refrigerant system
In the case of single refrigerant system, the refrigerant address
is "00" and no operation is required.
Simultaneous twin, triple units belong to this category
(single refrigerant system).
[1:1]
Refrigerant
address=00
Outdoor
unit
Indoor unit
01
Remote
controller
13-10. REQUEST CODE
Details on the operation data including each thermistor temperature and error history can be confirmed with the remote controller.
1. Select "Service" from the Main menu, and press the [SELECT/HOLD] button.
Select "Check" with the F1 or F2 button, and press the [SELECT/HOLD] button.
Select "Request code" with the F1 or F2 button, and press
the [SELECT/HOLD] button.
2. Set the Refrigerant address and Request code.
Select the item to be changed with the F1 or F2 button.
Select the required setting with the F3 or F4 button.
■ <Ref.address>setting [ 0 ] – [ 15 ]
■ <Request code>setting
Press the [SELECT/HOLD] button, Data will be collected and displayed.
TCH120A
[Twin]
Refrigerant
address=00
Outdoor
unit
Indoor unit Indoor unit
01 02
Remote
controller
Multi refrigerant system (group control)
Up to 16 refrigerant systems (16 outdoor units) can be con-
nected as a group by 1 remote controller. To check or set the
refrigerant addresses.
Refrigerant Refrigerant Refrigerant
address address address
00 01 02
Outdoor Outdoor
unit unit
Indoor unit Indoor unit Indoor unit
01 01
Remote
controller
Request code: 004
Discharge temperature: 69˚C
60
Refrigerant
address
15
Outdoor Outdoor
unit unit
Indoor unit
01 01
Check menu
Error history
Diagnosis
Smooth maintenance
Request code
Service menu: MENU
Cursor
F1 F2 F3
SELECT
MENU RETURN
HOLD
Request code
Ref.address
Request code
Request: SELECT
+
–
Cur.
F1 F2 F3 F4
+
–
SELECT
MENU RETURN
HOLD
Request code
Ref.address
Request code
Request: SELECT
+
–
Cur.
F4
ON
OFF
ON
OFF