85
Performing Manual Control Section 4-12
Note In balanceless-bumpless operation, the MV before switching is used initially
after the switch and then gradually changed to achieve the proper value after
switch to prevent radical changes in the MV after switching operation.
The overall manual operation is illustrated in the following figure.
Related Displays and Parameters
Note Refer to 4-14 Output Adjustment Functions for information on the priority for
the MV.
Moving to the Manual
Control Level
• When the O key is pressed for at least 3 seconds in the operation level's
auto/manual switching display, the manual mode will be entered and the
manual control level will be displayed. It is not possible to move to any
displays except for the “PV/MV” parameter during manual operation.
Press the O key for at least one section from the “PV/MV” display in
manual control level to return to automatic mode and display the top
parameter in the operation level.
0
ONOFF
MV (%)
Time
Balanceless-bumpless
Manual
Automatic
MV switched
Power in-
terrupted
Parameter name Symbol Level Remarks
PV/MV (manual MV) --- Manual Control Level −5.0 to 105.0 (heating/cooling control: −105.0 to
105.0)
Auto/manual switch a-m Operation Level Switches between automatic and manual
modes.
Auto/manual select addi-
tion
amad Advanced Function Setting
Level
Enables switching between automatic and man-
ual modes.
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