H40, H50, H50VSD-C
Jul ‘17
- 13 -
Use of an incorrect Motor for your
particular building service will result in
premature Motor failure, and is not
covered by the DV Systems or Motor
Manufacturers Warranty.
Installation – Electrical (cont’d)
Motors.
Wiring must be done in a manner that the full Motor
nameplate v/- 10% is available at the Motor
terminals during start-up. Contact your local Distributor or
Service Centre if additional information is needed.
The Warranty that exists on the Electric Motor is that of the
original manufacturer. In the event of a Motor failure, contact
your DV Systems Distributor or Service Centre for the
location of the nearest authorized Motor Service Centre.
Motor / Air End Rotation.
It is critical that the Motor and Air End in the Rotary Screw Unit be turning in the correct manner as
the Unit may
not equipped with an ‘Anti Rotation Switch’. Irreparable damage will be done if the Unit rotates in the
reverse direction.
Motor / Air End rotation must be visually verified. The correct rotation is as indicated at the
Coupling area or Belt Housing of the Unit.
Fixed Speed Units:
Variable Speed Units:
With Advanced Phase Detection feature, an
‘E:0090 Phase Sequence’ Error will appear
on the Controller Screen if the phase
sequence is incorrect. If this occurs, simply
switch the
incoming leads
‘
L1
’ and ‘
L3
’ at
the Control Panel.
If ‘Anti Rotation’ Switch is present, an
‘E:0902 Anti Rotation’ Error will appear on
the Controller Screen if the rotation is
incorrect. If this occurs, simply change ‘L1’
and ‘L3’ at the Control Panel.
The Inverter to the Motor is pre-wired at the
factory.
Remove the Cover Plate from the Coupling
area and pay close attention to the arrow
indicating the correct rotation.
To verify the correct rotation, start the Unit
and turn off immediately using the
Emergency Stop Button.
If the rotation is not correct, simply change
two of the power leads to the Unit.
Arrow Indicates
Correct Rotation
Coupling
Picture from Front of Unit
Picture from Rear of Unit
