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8. Install Electronic Programming Module (EPM)
If installing multiple fans, make sure to install the exact EPM included in each fan's packaging.
EPMs are not interchangeable.
The Electronic Programming Module (EPM) contains all
programming information specific to fan operation. It must
be installed prior to applying power to the VFD.
Insert the EPM into the VFD in the location shown. The EPM
can only be inserted one way. Do not force it.
9a. Mount VFD to motor frame
If you are remotely mounting the VFD, skip to step 9b.
Big Ass Fans does not provide additional means of disconnect when the VFD is mounted
onboard the fan. If preferred or required by local or national code, the installer should provide
additional means of disconnect as specified by the owner of the fan or the facility manager.
A. Install mounting brackets
Attach the VFD mounting brackets to the fan motor
frame with the Mounting Bracket Hardware. Do not
fully tighten the nuts.
Mounting Bracket Hardware:
a. (2) 1/4"-20 x 1-3/4" Flange Head Bolt
b. (2) 1/4"-20 Flange Locknut
16
EPM
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WARNING
DO NOT USE THIS
DISCONNECT TO
START AND STOP THE
FAN. PERMANENT
DAMAGE WILL
RESULT!
AUTO
M
1
1
2
2
5
5
6
6
U
V
W
/T1
/T2
/T3
b
ALL RIGHTS RESERVED.
SCA ME
SCA ME
FWD
RUN
REV
R
F
STOP
25 4
25 4
11
11
13A 13B 13C 14 30 1 6 1 7
13A 13B 13C 14 30 1 6 1 7
L1
L2
PE
L1
L2
L3
L3
a
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