Gland/Conduit Entry - Ip21 (Nema 1) And Ip54 (Nema12) - Danfoss VLT HVAC Drive FC 102 Manuel D'utilisation

Installation mécanique
(%)
90
80
70
60
50
40
3 3
30
20
10
0
0 0,2
Illustration 3.32 Déclassement de la protection E en fonction
du changement de pression (grand ventilateur), P355T4-
P450T4 et P560T7-P630T7
Circulation d'air au niveau du variateur de fréquence : 1 445
m 3 /h (850 cfm)
(%)
90
80
70
60
50
40
30
20
10
0
0
Illustration 3.33 Déclassement des protections F1, F2, F3, F4
en fonction du changement de pression
Circulation d'air au niveau du variateur de fréquence : 985
3
m /h (580 cfm)
3.3.6 Gland/Conduit Entry - IP21 (NEMA 1)
and IP54 (NEMA12)
Cables are connected through the gland plate from the
bottom. Remove the plate and plan where to place the
entry for the glands or conduits. Prepare holes in the
marked area in Illustration 3.35 to Illustration 3.39.
AVIS!
The gland plate must be fitted to the frequency
converter to ensure the specified protection degree, as
well as ensuring proper cooling of the unit. If the gland
plate is not mounted, the frequency converter may trip
on Alarm 69, Pwr. Card Temp
28
0,6 2,2 5,8 11,4 18,1 30,8 69,5
Changement de pression
25 50 75 100 125 150 175
Changement de pression
Danfoss A/S © 08/2014 Tous droits réservés.
®
VLT HVAC Drive FC 102
152,8 210,8
(Pa)
Illustration 3.34 Example of Proper Installation of Gland Plate
Cable entries viewed from the bottom of the frequency
converter - 1) Mains side 2) Motor side
202.8
200 225
Illustration 3.35 Enclosure Size E1
Enclosure sizes F1-F4: Cable entries viewed from the
bottom of the frequency converter - 1) Place conduits in
marked areas
216.5
(8.524)
535.0
(21.063)
(11.096)
36.2
(1.425)
Illustration 3.36 Enclosure Size F1
1 2
35
350
668.3
593.0
(26.311)
(23.346)
37.7
(1.485)
460.0
(18.110)
281.8
533.0
(20.984)
595.8
(23.457)
1328.8
(52.315)
62.5
130.0
98.6
1
199.5
(7.854)
258.5
(10.177)
35.5
(1.398)
MG11F504