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Rev. Date 040218
6.1 Fuse Disconnect Switch
Installation
(Recommended but Optional)
A
B
The fuse disconnect switch is an optional component
offered by MacroAir. Reference page 5 for fuse
size based upon the incoming power and fan
diameter.
6.1.1:
Mount the fuse disconnect switch outside of the
swept area of the fan airfoils.
6.1.2:
Wire the power cable from the fan to the
bottom of the fuse block. Then wire the incoming
power source to the disconnect switch.
6.1.3:
In the diagram below, a three phase system is
shown. For a single phase system, phase 1 would be
connected to L1, neutral would be connected to L2,
and L3 would be left not terminated.
C
Components:
A
- Fuse Block (Optional Add-On)
B
- Disconnect Switch (Optional Add-On)
C
- Class gG Fast Acting Fuses (Not Provided) - refer to the fuse chart on page 5
NOTE: Ensure that there is no power when installing this component.
Means for disconnection with contact separation at least 3mm.
Service Disconnect (Required
per
NEC
,
OSHA
,
IEC
,
CE
and
UL
compliance).
Not Included -
Optional Add-On
