Danfoss VACON 1000 Operating Manual page 62

Operating Guide | VACON® 1000
The outlet area of the air duct must be larger than the sum of the cabinet fan outlet areas.
l
The air inlet area of the cabinet location must be larger than 1.5 times the sum of the fan outlet areas. The air inlet must have a
l
primary air filter.
The longer the air duct is, the more the cooling efficiency decreases. The recommended maximum length of the air duct is 3 m. For
l
longer air ducts, support brackets and an induced draft fan are required.
The outlet of the air duct must be waterproof to prevent water entering the air duct.
l
The outlet of the air duct must be protected from the penetration of dust and small animals.
l
If the drive has fans with a different productivity, there is a risk of air displacement.
l
3
2
1
Figure 48: Example of an Air Duct Installation
1 Air inlet
3
Length of air duct
5.10 Fan Installation
The cooling fans for VACON® 1000 are delivered separately. To install the fans on the top of the cabinets, follow these instructions.
5.10.1 Installing the Fans
1.
Remove the PE protective film covering the air outlet on the top plate of the cabinet.
2. Release the front grate from the fan by removing the 9 size M6x16 screws.
62 | Danfoss A/S © 2024.12
4
2 Fans
4
Outlet of air duct
Mechanical Installation
AQ363633621020en-000401 / 172F3117D