Description
The top fan assembly in D3h/D4h drives includes 1 fan within
a fan housing or secured under a grill. The top fan assembly in
E3h/E4h drives consists of 2 fans within a single fan housing.
The top fan replacement kit contains all parts required to
replace 1 fan in the top fan assembly.
Kit Ordering Numbers
Ordering number
Kit description
176F3166
Top fan IP20 DC 80x25 mm
176F3167
Top fan IP20 DC 80x38 mm
Table 1.1 Numbers for the Top Fan Kit
Items Supplied
The top fan replacement kit contains the following:
•
1 fan
•
Installation instructions
Safety Information
Only qualified, Danfoss authorized personnel are allowed to
install the parts described in these installation instructions.
Handling of the drive and its parts must be done in
accordance with the corresponding
operating guide
.
WARNING
ELECTRICAL SHOCK HAZARD
VLT
®
FC series drives contain dangerous voltages when
connected to mains voltage. Improper installation, and
installing or servicing with power connected, can cause
death, serious injury, or equipment failure.
To avoid death, serious injury, or equipment failure:
•
Only use qualified electricians for the installation.
•
Disconnect the drive from all power sources before
installation or service.
•
Treat the drive as live whenever the mains voltage
is connected.
•
Follow the guidelines in these instructions and local
electrical safety codes.
WARNING
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain
charged even when the drive is not powered. High voltage
can be present even when the warning LED indicator lights
are off. Failure to wait for the specified time listed in
Table 1.2
after power has been removed before performing
service or repair work can result in death or serious injury.
1.
Stop the motor.
2.
Disconnect AC mains and remote DC-link supplies,
including battery back-ups, UPS, and DC-link
connections to other drives.
3.
Disconnect or lock motor.
4.
Wait for the capacitors to discharge fully. Refer to
Table 1.2
.
5.
Before performing any service or repair work, use
an appropriate voltage measuring device to make
sure that the capacitors are fully discharged.
Voltage [V] Power rating [kW] (hp)
(normal overload)
Enclosure
Minutes to
discharge
380–500
90–250
(125–350)
D1h–D8h
20
380–500
315–500
(450–650)
E1h–E4h
40
525–690
55–315
(60–350)
D1h–D8h
20
525–690
355–710
(400–750)
E1h–E4h
40
Table 1.2 Discharge Time for Enclosures D1h–D8h and E1h–E4h
Installation Instructions
Top Fan Kit for D3h/D4h and E3h/E4h Drives
VLT
®
FC Series FC 102, FC 103, FC 202, FC 302
Danfoss A/S © 04/2018 All rights reserved.
MI35N202
