Reznor Nor-Ray-Vac Installation & Operating Manual page 3

1. ABB ACS310 General information
The use of an inverter on the Nor-Ray-Vac BH300 fan system allows the end vent
suction to be adjusted by varying the fan speed. The description for adjusting
the fan speed is given in the following section. Apart from this change the
commissioning instructions described in the Nor-Ray-Vac technical manual
should be followed. When supplied as part of a complete local relay unit the
inverter is pre-set at the factory for on-site use.
When supplied as a new or replacement stand-alone unit, this document
describes in detail the initial set up procedure for the inverter.
The information contained in this technical bulletin is designed to aid a qualified
or competent service technician.
Apart from this instructions the ABB ACS310 drive user's manual has to be
read accordingly.
1.1 Tools required
• Inverter part No. N1886 (4.0kW) and N1886-1 (Display)
• Electrical screwdriver
• Multi-meter.
Where the inverter is to be fitted as a replacement for the earlier ATV 11 type,
please use the following diagram as guide for the new mounting hole positions.
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