PVC Lineset Cover
Instruction Manual
Warning
Attention
• Make sure your footing is stable when working on high ground, such as when using ladders.
• Be cautions of sharp edges of parts and cutting saw.
• The lineset cover mounting base must be rmly attached to the wall. Use a wall anchor if needed.
• This lineset cover is only designed to be used for covering air conditioner lineset. Do not use it for other purposes.
• PVC parts may deform in hot weather or becomes brittle in cold weather. Avoid installation during extremely hot or cold days.
Warning and Safety
Installation Example
• Read this guide before installation. Failure to follow the safety instructions may result in property damage, serious injury, or death.
• Please keep this manual.
Wall Entry Cover
Straight Duct
Straight Duct Joint
Flexible Duct
Horizontal Elbow
Vertical JointEnd Duct
v.20241230U
© Della All rights reserved.
The design and specications are subject to change without prior
notice for product improvement. Any updates to the manual will be
uploaded to the della website.
www.dellahome.com
support@dellahome.com
800–863–4143
6:00 a.m. – 4:00 p.m. PST Monday – Friday
Wall Entry
Cover
Ceiling Entry
Cover
Straight
Duct (39”)
Straight
Duct Joint
Horizontal
Elbow
Vertical
Elbow
Flexible Duct
(20”)
End Duct
048-LSC-3-7 1x / 2x 1x 1x 1x / 1x
048-LSC-3-9S 1x / 2x 1x 1x 1x 1x 1x
048-LSC-3-11 1x / 3x 2x 1x 1x / 1x
048-LSC-3-12S 1x / 3x 2x 1x 1x 1x 1x
048-LSC-3-15S 1x / 4x 3x 1x 1x 1x 1x
Wall Entry
Cover
Ceiling Entry
Cover
Straight
Duct (39”)
Straight
Duct Joint
Horizontal
Elbow
Vertical
Elbow
Flexible Duct
(20”)
End Duct
048-LSC-4-7 1x / 2x 1x 1x 1x / 1x
048-LSC-4-9S 1x / 2x 1x 1x 1x 1x 1x
048-LSC-4-11 1x / 3x 2x 1x 1x / 1x
048-LSC-4-13S 1x / 3x 2x 1x 1x 1x 1x
048-LSC-4-16S 1x 1x 5x 4x 1x 1x 2x 1x
Included Parts
• This instruction is universal for both 3” and 4” width lineset cover.
3” Wide Lineset cover
4” Wide Lineset cover
• This graph is for visual reference only.
• You should use a combination of
parts and arrange them that best
suitted for your own installation.
Installation Instruction
Wall Entry Cover
Horizontal Elbow
Straight Duct Joint
End Duct
Vertical Elbow Flexible Joint
Ceiling Entry Cover
Straight Duct
Tools Needed (Not included)
Electric Drill
Ceiling hole for
the lineset
Screw Driver Hammer Measuring Tape Hacksaw
• Lineset cover must be secured on the wall. Make sure to use the correct type of screws and wall anchor for your specic type of wall.
• You can cut the straight duct to your desired length.
• Burrs may appear after cutting the duct, you can remove burrs
with sandpaper.
• The base and cover must be cut to the same length.
• First, install the straight duct base on the wall. Then position the lineset inside the base
and place the straight duct cover on top.
• Place the wall entry cover over the wall hole for the AC lineset.
Tips: Seal the edge with sealant / putty to prevent water from getting in.
• Place the ceiling entry cover over the ceiling hole for the AC lineset.
Tips: Seal the edge with sealant / putty to prevent water from getting in.
Screw
Straight Duct Base
Straight Duct
Base
Cover
Cover
Cover
Flexible Joint
Straight Duct Cover
Straight Duct Base
Straight Duct Base
Straight Duct Base
Screw
Straight Duct Cover
• Horizontal Elbow can be used
for a 90° bent on the wall.
• Vertical Elbow can be used for a
90° bent around the wall.
• Use the straight duct joint to
connect 2 ducts in a straight line.
• The AC lineset must pass
through the exible joint rst
before installation
Base
Straight Duct
Obstacle
Straight Duct
Base
AC Lineset
Straight Duct
Straight Duct Base
Straight Duct
Straight Duct
Wall hole for
the lineset
Screw
Cover Cap
Cover Base
