Mitsubishi Electric PUMY-P112VKM3 Technical & Service Manual page 33

7-2. Special Function Operation and Settings for M-NET Remote Controller
(M-NET remote controller cannot be connected with a refrigerant system which includes branch box.)
• It is necessary to perform "group settings" and "paired settings" at making group settings of different refrigerant systems
(multiple outdoor unit).
(A) Group settings: Enter the indoor unit controlled by the remote controller, check the content of entries, and clear entries,
etc.
(B) Paired settings: Used to set the linked operation of a Lossnay unit.
(1) Entering address: Follow the steps below to enter the addresses of the indoor unit using the remote controller.
a) Group settings
• Turning off the remote controller: Press the ON/OFF button to stop operation (the indicator light will go off).
• Changing to indoor unit address display mode: If the FILTER and k buttons on the remote controller are pressed simul-
taneously and held for 2 seconds, the display shown in Figure 1 will appear.
• Changing address: Press the temperature adjustment
be entered.
• Entering the displayed address: Press the TEST RUN button to enter the indoor unit with the displayed address.
The type of the unit will be displayed as shown in Figure 2 if entry is completed normally.
If a selected indoor unit does not exist, an error signal will be displayed as shown in Figure 3. When this happens, check
whether the indoor unit actually exists and perform entry again.
• Returning to the normal mode after completing entry: Press the FILTER and k buttons simultaneously and hold for 2
seconds to return to the normal mode.
Figure 1. (A) Group setting display
b) Paired Settings
• Turn off the remote controller: Press the remote controller's ON/OFF button to turn it off (the indicator light will go off).
• Put in indoor unit address display mode: Press the FILTER and k buttons on the remote controller simultaneously and
hold for 2 seconds.
Note: The above steps are the same as when making group settings (A).
• Changing to the linked operation unit address display state: The display shown in Figure 4 will appear when the
button on the remote control is pressed.
• Displaying the address of the Lossnay unit and linked indoor unit: In this situation, the indoor unit number will be the lowest
address of the group. The Lossnay unit will not operate if this setting is incorrect.
Notes:
1. If the temperature adjustment
linked.
2. If the time setting
is desired to enter the Lossnay.
• Linking the Lossnay and the indoor unit: The display shown in Figure 5 will appear when the TEST RUN button is pressed.
The indoor unit whose address is displayed and the Lossnay unit with a linked address will operate in a linked manner.
Notes:
1. If it is desired to display the address of the Lossnay in the indoor unit address, display the indoor unit address in the
linked unit address, and the above content will also be recorded.
2. Apart from the indoor unit with the lowest address in the group, display and enter the addresses of the other indoor unit
that are to be linked with the Lossnay unit.
• Returning to the normal mode after completing entry: Press the FILTER and k buttons on the remote controller simulta-
neously and hold for 2 seconds to return to the normal mode.
Figure 4. (B) Making paired settings
The addresses of indoor
unit and linked units are
displayed simultaneously.
OCH632A
Figure 2. Normal completion of entry
Type of unit is displayed.
buttons are pressed, the address may be changed to the indoor unit that is to be
buttons are pressed, the address of the linked units may be changed to the address where it
Figure 5. Completing normal entry
(alternating
display)
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buttons to change the displayed address to the address to
Figure 3. Entry error signal
Flashing "88" indicates entry error.
These alternating IC or LC displays will appear
when entry is completed normally.
A flashing "88" will appear if there is a
problem with the entry (indicating that the
unit does not exist).
a