Speed controller (MR1)
Surface mounting
Break mains voltage. Mount surface mounting case to the
wall
Together with included grommets. Connect according to
diagram.
Mount inner case in surface mounting case with included
screws.
Turn on mains voltage and controller. Adjust min speed and
Turn off controller. Mount cover with nut to surface
mounting case.
Push knob in place at off position. When needed, a 5mm
hole for condensation
Is to be drilled at the bottom of the surface mounting case.
Adjustment
Note! Trimmer (min) is adjusted so that the motor does not
stop due to variations of mains voltage and that it restarts
after power failure. (v conn 2): extra connection
to, for example, damper or use as inlet to the controller
without bypassing breaker of turning knob.
Connections
1. Power supply 230vac, 50hz
2. 230 vac not regulated output for connection lamp, valve,
and dampers. Or three wire
motor connection: branched off after switch (imax:2A)
input; to bypass switch
N. Neutral
3. Regulated output to motor
4. Fuse holder with spare
5. Min speed adjust trimmer
Faulty operation
Please check that: Right voltage is applied. All connections
are correct.
The machine to be regulated is functioning. The fuse in the
fuse box is ok.
The fuse in the controller is ok.
1 2 N N 3
M
230Vac
230Vac
