Routine Maintenance - Invertek Drives Optidrive Series User Manual

3.10. Routine Maintenance

The drive should be included within the scheduled maintenance program so that the installation maintains a suitable operating environment,
this should include:

Ambient temperature is at or below that set out in the "Environment" section.

Heat sink fans freely rotating and dust free.

The Enclosure in which the drive is installed should be free from dust and condensation; furthermore ventilation fans and air filters
should be checked for correct air flow.
Checks should also be made on all electrical connections, ensuring screw terminals are correctly torqued; and that power cables have no signs
of heat damage.
3.11. Gland Plate and Lock Off
The use of a suitable gland system is required to maintain the appropriate IP / Nema rating. Cable entry holes will need to be drilled to suit
this system. Some guidelines sizes are defined below:
Please take care when drilling to avoid leaving any particles within the product.
Cable Gland recommended Hole Sizes & types:
Min Gland Rating
Size 2
Size 3

UL rated ingress protection ("Type " ) is only met when cables are installed using a UL recognized bushing or fitting for a flexible-
conduit system which meets the required level of protection ("Type")

For conduit installations the conduit entry holes require standard opening to the required sizes specified per the NEC

Not intended for rigid conduit system
Power Isolator Lock Off – IP66 with Built in Isolator Option
On the switched models the main power isolator switch can be locked in the 'Off' position using a 20mm standard shackle padlock (not
supplied).
IP66 / Nema 12 Unit Lock Off
Optidrive HVAC User Guide V2.00
Hole Size
IP66 3 x 22mm
IP66 1 x 22mm and 2 x 28mm
www.invertekdrives.com
Imperial
3 PG13.5
1 PG13.5 and 2 PG16
IP66 / Nema 4X Unit Lock Off
Metric
3 x M20
1 x M20 and 2 x M25
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