SYSTEM ENGINEERING
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HEAT PUMP CONDENSING UNIT ENGINEERING MANUAL
Due to our policy of continuous product innovation, some specifications may change without notification.
© LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
General Mounting
Securely attach the outdoor unit to a condenser pad, base rails, or other approved mounting platform that has been securely anchored to the
ground or building structure. Refer to Figures 10 through 13, and follow the applicable local code for clearance, mounting, anchor, and vibra-
tion attenuation requirements set fourth by the structural engineer.
PLACEMENT CONSIDERATIONS
Outdoor Unit Minimum Clearance
Figure 10: Outdoor Unit—Mounting and Service Clearances (Plan View)
1
Figure 11: Outdoor Unit—Mounting and Service
Clearances (Elevation View)
Figure 13: Mounting Method #2
2
Note:
1. Minimum airfl ow clearance specifi cations are based on a single unit installation without obstructions. Refer to "Clear-
ance Requirements" on page 59 for specifi c airfl ow clearance requirements when obstructions are present.
2. All referenced materials are to be fi eld-supplied.
3. Images are not to scale. All dimensions ±0.25 inches.
Figure 12: Mounting Method #1
2
See Figure 12
See Figure 13
Min. 8”
4”
4”
LG
Anti-vibration
material
Anchor Bolt
Anti-vibration
material
Concrete
base
Anti-vibration
material
Anchor Bolt
Nut
3Ó
Spring washer
Frame
Anti-vibration
materials
Minimum
3 thread ridges
I-Beam
Concrete
base
3”
3”
3”
24-3/8
Bolt Diameter - 1/2” (typical of 4)
12” Min.
Maintenance
Clearance
Compressor and
control component
access
24” Min. Maintenance Clearance
14-3/8
Base pan drain holes (Typical of 5)
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