External Fan Supply; Fuses - Danfoss VLT AQUA Drive FC 202 Operating Instructions Manual

How to Install

4.1.11 External Fan Supply

In case the frequency converter is supplied by DC, or if the
fan must run independently of the power supply, an
external power supply can be applied. The connection is
made on the power card.
Terminal
4 4
number
100, 101
102, 103
Table 4.6 External Fan Supply Terminals
The connector located on the power card provides the
connection of line voltage for the cooling fans. The fans
are connected from factory to be supplied from a common
AC line (jumpers between 100-102 and 101-103). If an
external supply is needed, remove the jumpers and
connect the supply to terminals 100 and 101. Use a 5 A
fuse for protection. In UL applications this should be
LittleFuse KLK-5 or equivalent.

4.1.12 Fuses

Branch circuit protection
To protect the installation against electrical and fire hazard,
all branch circuits in an installation, switch gear, machines
etc., must be short-circuited and overcurrent protected
according to national/international regulations.
Power size
P315T5
P355T5
P400T5
P450T5
P500T5
P560T5
P630T5
P710T5
P800T5
P1M0T5
Table 4.7 Mains Fuses, 380-500 V
38
Operating Instructions
Function
Auxiliary supply S, T
Internal supply S, T
Enclosure Rating
Size Voltage (UL)
F8/F9 700
F8/F9 700
F8/F9 700
F8/F9 700
F10/F11 700
F10/F11 700
F10/F11 700
F10/F11 700
F12/F13 700
F12/F13 700
Danfoss A/S © Rev. 06/2014 All rights reserved.
Short-circuit protection
Protect the frequency converter against short-circuit to
avoid electrical or fire hazard. Danfoss recommends using
the fuses mentioned in to Table 4.18 to protect service
personnel and equipment in case of an internal failure in
the frequency converter. The frequency converter provides
full short-circuit protection in case of a short-circuit on the
motor output.
Overcurrent protection
Provide overload protection to avoid fire hazard due to
overheating of the cables in the installation. The frequency
converter is equipped with an internal overcurrent
protection, which can be used for upstream overload
protection (UL-applications excluded). See 4-18 Current
Limit. Moreover, fuses or circuit breakers can be used to
provide the overcurrent protection in the installation.
Overcurrent protection must always be carried out
according to national regulations.
UL compliance
The fuses in this section are suitable for use on a circuit
capable of delivering 100000 A
480 V, or 500V, or 600 V depending on the frequency
converter voltage rating. With the proper fusing the
frequency converter Short Circuit Current Rating (SCCR) is
100000 A
rms
Bussmann
Amperes P/N
700 170M4017
700 170M4017
700 170M4017
700 170M4017
900 170M6013
900 170M6013
900 170M6013
1500 170M6018
1500 170M6018
1500 170M6018
(symmetrical), 240 V, or
rms
.
Spare
Estimated fuse power loss [W]
Bussmann
P/N 400V
176F9179 25
176F9179 30
176F9179 38
176F9179 3500
176F9180 3940
176F9180 2625
176F9180 3940
176F9181 45
176F9181 60
176F9181 83
460V
19
22
29
2800
4925
2100
4925
34
45
63
MG20Y202