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28 SCXG-SVX01B-EN
VFD
A
B
C
D
E
F
G
VFD dimensions, in.
voltage hp A B C D E F G
460 7.5 15.55 15.12 7.87 8.66 0.39 0.24 7.87
10
208 7.5 22.05 21.26 7.87 9.53 0.83 0.30 10.24
10
460 15
20
25
208 15 27.56 26.77 10.63 12.13 0.83 0.30 11.05
20
460 30
40
208 30 31.50 30.71 10.63 12.13 0.75 0.30 11.65
460 50
60
208 40 31.49 30.71 10.63 14.57 1.97 - 13.19
Dimensions &
Weights
Variable Frequency Drive
Option (VFD)
ƽƽ
ƽƽ
ƽWARNING
Control and Line Voltage!
Control and line voltage wiring from the
VFD to the unit must be in accordance
with all local and National Electric Codes.
Do not touch circuit components until
main power has been turned off and
“charge” lamp is extinguished. The
capacitors are still charged and could
result in death or serious injury.
ƽƽ
ƽƽ
ƽWARNING
Hazardous Voltage w/Capacitors!
Disconnect all electric power, including
remote disconnects before servicing.
Follow proper lockout/tagout proce-
dures to ensure the power cannot be
inadvertently energized. For variable
frequency drives or other energy storing
components provided by Trane or others,
refer to the appropriate manufacturer’s
literature for allowable waiting periods
for discharge of capacitors. Verify with an
appropriate voltmeter that all capacitors
have discharged. Failure to disconnect
power and discharge capacitors before
servicing could result in death or serious
injury.
Note: For additional information regard-
ing the safe discharge of capacitors, see
PROD-SVB06A-EN or PROD-SVB06A-FR.
NOTICE
Use Copper Conductors Only!
Unit terminals are not designed to
accept other types of conductors. Failure
to use copper conductors may result in
equipment damage.
The variable frequency drive (VFD) option
can only be used with IntelliPak units. The
VFD and VFD w/bypass is available from
5 to 25 hp and is a Trane TR1. All VFD’s are
pre-configured and run tested at the
factory prior to shipping. The VFD is wall
mounted.
There must be a minimum eight inch
clearance above and below the VFD. A
minimum two inch clearance is required
on each side.
Also, allow enough clearance for opening
the VFD cabinet door. This will ensure
sufficient air space for cooling.
Refer to the “Dimensions and Weights”
section beginning on page 19 for VFD
dimensions and weights.
Mounting Requirements
Proper location of the VFD is important to
achieve proper performance and normal
operating life. Installation must be in an
area where it will be protected from:
• Direct sunlight, rain or moisture.
• Corrosive gases or liquids.
• Vibration, airborne dust, or metallic
particles.
For effective cooling as well as proper
maintenance, install the VFD vertically to
the ground using four mounting screws.