Danfoss VACON NX Commissioning And Maintenance Manual page 5

VOCABULARY
Primary circuit,
HXL120-PS01
Secondary circuit,
HXL120-PS02
HX-unit
Drive
Main drive
HX control unit
Local contacts: http:/ / dr ives.danfoss.com/ danfoss- dr ives/ local - contacts/
A closed circuit filled with coolant that connects the drive to the HX-
unit.
A circuit filled with coolant that connects the HX-unit to the
customer piping.
HXL120 cooling unit (see the front picture of the manual). The
ordering code for the unit on the front page is HXL-M-120-N-S, but it
is referred to as HXL120 or just plain HX-unit for short.
Liquid cooled AC drives or inverters that are connected to the HX-
unit.
A term used in some contexts for the VACON
drives so that they are more easily separated from the air -cooled
®
VACON NXP 0009 used in the HX-unit. The main drive concept might
also include other liquid cooled electrical equipment.
The air-cooled NXP 0009 drive that is placed inside the HX-unit for
the purpose of controlling and monitoring the primary circuit pump
and instruments.
VACON
®
NX liquid Cooled AC
5