Gland/Conduit Entry - Ip21 (Nema 1) And Ip54 (Nema12) - Danfoss VLT HVAC Drive FC 102 Operating Instructions Manual

Mechanical Installation
(%)
90
80
70
60
50
40
3 3
30
20
10
0
0
Illustration 3.33 F1, F2, F3, F4 Enclosures Derating vs. Pressure
Change
Frequency Converter Airflow: 580 cfm (985 m
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.
NOTICE
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
Illustration 3.34 Example of Proper Installation of Gland Plate
28
25 50 75 100 125 150 175
Pressure Change
3
Danfoss A/S © 08/2014 All rights reserved.
Operating Instructions
Cable entries viewed from the bottom of the frequency
converter - 1) Mains side 2) Motor side
200 225
202.8
/h)
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)
MG11F502