Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 139

• Send-receive circuit fault. The remote controller needs to be replaced.
ERC:
• The number of data errors is the discrepancy between the number of bits in the data transmitted from the remote
controller and that of the data that was actually transmitted over the transmission line. If data errors are found, check
the transmission line for external noise interference.
If the [ ] button is pressed after the remote controller check results are displayed, remote controller check will end, and
the remote controller will automatically reboot itself.
Remote controller check
OK
:
Exit
Remote controller check results screen
Note:
• Check the remote controller display and see if anything is displayed (including lines). Nothing will appear on the
remote controller display if the correct voltage (8.5 – 12 VDC) is not supplied to the remote controller. If this is the
case, check the remote controller wiring and indoor units.
13-9. Special function operation setting
13-9-1. PAR-U02MEDA
M-NET remote controller cannot be connected with a refrigerant system which includes branch box.
It is necessary to perform "group settings" and "Interlocked LOSSNAY" at making group settings of different refrigerant
systems (multiple outdoor unit).
Operating instructions
1. Touch the "Menu" on the home screen.
2. Touch the "Service" on the menu (user) screen.
3. Touch the "Setup" on the menu (service) screen.
4. Setup screen will appear.
Room name
7
Set to
LED
26 . 0
°C
-
+
＞
17 . 0
°C
-
+
Auto Cool
ON
Mode
Home screen
■ Group settings
Enter the indoor unit controlled by the remote controller, check the content of entries, and clear entries, etc.
Use the following screen to register the indoor units and the AHC to be controlled from the controller.
1. Select an indoor unit or an AHC address in the [Address] field.
The number of units that can be registered.
Indoor unit: 16 units maximum
AHC: 1 unit maximum
Note:
• AHC cannot be controlled from the controller unless indoor units are registered with the system.
2. Touch the [Set] button to register the address, and touch the [Del] to delete the address.
Successful address registration/deletion: The registered address(es) will appear on the left side of the screen.
Error: "Request denied." or "Is not to be connected" will appear.
[Group setting]
IC
Address
00 1 00 2 00 3 00 4
Unit
00 5 00 6 00 7 00 8
00 0 0 0 0
9 1 11 12
Function
0 0 0 0
13 14 15 16
0
AHC 2 1
Back
■ Interlocked LOSSNAY:
Use this function to interlock the operation of indoor units and LOSSNAY units.
1. To register LOSSNAY units
• Select the indoor unit address in the Add. 1 section.
• Select the interlocked LOSSNAY address in the Add. 2 section.
OCH790 _139
[MON] 12:45
Menu (1/2)
User
Date and time
Room
23.5°C
Schedule
＞
5 0 %RH
Timer
Night setback
Home
Menu
Menu (User) screen
Deleted address will not appear on the screen.
-
00 +
1
IC
Set Del
Menu
Service User
Setup
Error menu
Test run
Home
Menu (Service) screen
＞
Setup
Service
Group setting
Interlocked LOSSNAY
Search connection information
Back
Setup screen