DIP switch settings
The Multiair control circuit board is equipped with 2
DIP switch blocks, each containing 8 different settings,
located in the control box to the right of the AC drive
(see illustration 1). All DIP switches are in position OFF
at delivery. In case changes are necessary, this can be
done according to the following.
DIP switch 1-1:
OFF: Last device on BUS communication line
ON:
Device on middle of the BUS communication line
To be switched ON in case an extra operator´s
panel is installed. The panel is connected
together with the blowers built-in panel, in termi-
nal block X7 to the left of the DIP switches
DIP switch 1-2:
OFF: Operator´s panel start activated
ON:
Operator´s panel start deactivated
To be switched ON in case the start function
should be deactivated from the operator´s panel
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DIP switch 1-3:
OFF: External start deactivated
ON:
DIP switch 1-4:
OFF: External start via impulse signal
ON:
External start activated
To be switched ON in case external start function
should be activated via terminal X4.5 and X4.6.
The type of start signal is determined by DIP
switch 1-4 (see section "Remote start / stop")
External start via hold signal
To be switched ON in case external start func-
tion should be possible via the connection be-
tween terminal X4.5 and X4.6 (hold signal). To
be switched OFF in case a corresponding start
function should be possible via an impulse sig-
nal. Provides DIP switch 1-3 is ON (see section
"Remote start / stop")