© 2015 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 37
Rev. Date 090415
Components:
A - Fuse Block
B - Disconnect Switch
NOTE: Ensure that there is no power when installing this component.
The fuse disconnect switch is an optional component offered by MacroAir. Reference page 4 for
fuse size based upon the incoming power and fan diameter.
3.5.1:
Mount the fuse disconnect switch outside of the swept area of the fan airfoils.
3.5.2:
Wire the power cable from the fan to the bottom of the fuse block. Then, wire the incoming
power source to the disconnect switch.
3.5.3:
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.
3.5 Fuse Disconnect Switch Installation
A
B
Incoming Power
To Fan
L1
L2
L3
T1
T2
T3
FUSES
FUSE HOLDERS
DISCONNECT
SWITCH
GROUND BAR
(SEE NOTE 2)
Notes:
Fan should only be installed by qualified personnel in accordance with the NEC
1.
Proper grounding of panel and fan per the NEC is required for saftey and proper operation.
2.
L1
L2
L3
L2
L1
L3
AVD Disconnect Switch
A-01
DO NOT SCALE DRAWING
-
SHEET 1 OF 1
4/13/2015
3/13/2015
3/13/2015
xxxx
xxxx
xxxx
xxxx
M.D.
G.H.
E.V.
UNLESS OTHERWISE SPECIFIED:
SCALE: 1:16 WEIGHT:
REV
DWG. NO.
A
SIZE
TITLE:
MacroAir Technologies
794 S Allen St. San Bernardino, CA 92408
NAME
DATE
COMMENTS:
Q.A.
MFG APPR.
ENG APPR.
CHECKED
DRAWN
FINISH
MATERIAL
INTERPRET GEOMETRIC
TOLERANCING PER:
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL .010
ANGULAR: MACH 1 BEND 1
TWO PLACE DECIMAL .01
THREE PLACE DECIMAL .001
PROPRIETARY AND CONFIDENTIAL
THE INFORMATION CONTAINED IN THIS
DRAWING IS THE SOLE PROPERTY OF
MacroAir TECHNOLOGIES. ANY
REPRODUCTION IN PART OR AS A WHOLE
WITHOUT THE WRITTEN PERMISSION OF
MacroAir TECHNOLOGIES IS
PROHIBITED.
5
4
3
2
1
Warning:
Motor cable and incoming power must
never be run in the same conduit. Failure
to install per MacroAir instructions,
including wiring, may be hazardous, cause
premature failure, and void the manufacturer's
warranty.
