Danfoss VLT FC 302 User Manual

NOTICE
For the drive section, the fan runs for the following
reasons:
•
AMA
•
DC Hold
•
Pre-Mag
•
DC Brake
•
60% of nominal current is exceeded
•
Specific heat sink temperature exceeded (power
size dependent)
•
Specific power card ambient temperature
exceeded (power size dependent)
•
Specific control card ambient temperature
exceeded
Once the fan is started, it runs for minimum 10 minutes.
NOTICE
For the active filter, the fan runs for the following
reasons:
•
Active filter running
•
Active filter not running, but mains current
exceeding limit (power size dependent)
•
Specific heat sink temperature exceeded (power
size dependent)
•
Specific power card ambient temperature
exceeded (power size dependent)
•
Specific control card ambient temperature
exceeded
Once the fan is started, it runs for minimum 10 minutes.
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 frequency
converter according to the pressure drop.
90
80
70
60
50
40
30
20
10
0
0 0.5 4.9 13 27.3 45.9 66 89.3 115.7 147
(%)
(Pa)
Pressure Increase
Drive Derating
130BB007.10
Illustration 3.1 D-Frame Derating vs. Pressure Change
Drive Air Flow: 450 cfm (765 m
3
/h)
90
80
70
60
50
40
30
20
10
0
(%)
Drive Derating
0 0 0.1 3.6 9.8 21.5 43.4 76 237.5 278.9
(Pa)
Pressure Change
130BB010.10
147.1
Illustration 3.2 E-Frame Derating vs. Pressure Change (Small
Fan), P315
Drive Air Flow: 650 cfm (1105 m
3
/h)
90
80
70
60
50
40
30
20
10
0
(%)
Drive Derating
0 0.2 0.6 2.2 5.8 11.4 18.1 30.8 152.8 210.8
(Pa)
Pressure Change
130BB011.10
69.5
Illustration 3.3 E-Frame Derating vs. Pressure Change (Large
Fan) P355-P450
Drive Air Flow: 850 cfm (1445 m
3
/h)
Installation Operating Instructions
16 Danfoss A/S © Rev. 2014-07-29 All rights reserved. MG37A202
33

Danfoss VLT FC 302 Specifications

General

Brand	Danfoss
Model	VLT FC 302
Category	Controller
Language	English