Mitsubishi Electronics 520 540 Air Conditioner User Manual


 
121
Operation selection function
2
FUNCTIONS
<Setting>
In the following table, operation using the operation panel or parameter unit is
abbreviated to PU operation.
Pr. 79
Setting
Function
LED Indication *
RUN PU EXT
0
At power on, the inverter is put in the external
operation mode. The operation mode can be changed
between the PU and external operation modes from
the operation panel ( ) or parameter unit ( /
). For each mode, refer to the columns of
settings 1 and 2.
Off: Stop without start
command
Forward rotation: On
Reverse rotation:
Slow flickering
Refer to
settings
"1" and
"2".
1
Operation
mode
Frequency command
Start
command
On
(Off)
Off
PU operation
mode
Setting from operation
panel or FR-PU04
2
External
operation
mode
External signal input
(across terminals 2(4)-5,
multi-speed selection) jog
External
signal input
(terminal
STF, STR)
Off On
3
External/ PU
combined
operation
mode 1
Setting dial of operation
panel, digital setting by
parameter unit key
operation, or external signal
input (multi-speed setting,
across terminals 4-5 (valid
when AU signal is on))
External
signal input
(terminal
STF, STR)
With start
command
Without
frequency
setting
Fast
flickering
On On
4
External/ PU
combined
operation
mode 2
External signal input
(across terminals 2(4)-5,
multi-speed selection, jog)
7
External operation mode (PU operation interlock)
MRS signal ON... Switching to PU operation mode
(output stop during external
operation) allowed
MRS signal OFF.. Switching to PU operation mode
inhibited
Refer to
settings
"1" and
"2".
8
Operation mode change using external signal (disallowed
during operation)
X16 signal ON .... Switched to external operation
mode
X16 signal OFF..... Switched to
PU operation mode
REMARKS
In other than the PU operation mode, the stop function (PU stop selection) activated by
pressing of the PU (operation panel/FR-PU04) is valid. (Refer to page 116.)
Either "3" or "4" may be set to select the PU/external combined operation, and these settings
differ in starting method.
Refer to page 141 for the computer link operation mode.
When the FR-PU04 is connected, the LED indicators (PU, EXT) are not lit.
In the computer link operation mode, the LED indicators (PU, EXT) flicker slowly.
RUN
PU
EXT
PU
EXT
PU
EXT
RUN
RUN
STOP
RESET