Danfoss vlt aqua Instruction

External ducts
If additional duct work is added externally to the Rittal cabinet, the pressure drop in the ducting must be calculated. Use the charts below to derate the
adjustable frequency drive according to the pressure drop.
Figure 4.20: D frame Derating vs. Pressure Change
Drive air flow: 450 cfm (765 m
3
/h)
Figure 4.21: E frame Derating vs. Pressure Change (Small Fan), P315
Drive air flow: 650 cfm (1105 m
3
/h)
VLT AQUA Low Harmonic Drive Instruction
Manual
4 How to Install
MG.20.T1.22 - VLT
®
is a registered Danfoss trademark 4-25
4

Danfoss vlt aqua Specifications

General

Supply Voltage	200-240V, 380-500V, 525-600V
Enclosure	IP20
Features	Energy optimization
Approvals	CE, UL, cUL
Input Voltage Range	200-240V, 380-500V, 525-600V
Output Voltage Range	0 to supply voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Ground fault
Communication Interfaces	PROFIBUS
Cooling Method	Air-cooled