Multi F Engineering Manual

Model / Capacity (Btu/h)
Dimensions (in.)
ABCDEFGH I J
LDN097HV4 / 9,000 28-27/32 30-13/32
24-23/32 27-9/16 1-13/32 7-15/32 25/32
25-31/32
6-3/32
27-9/16
LDN127HV4 / 12,000
36-23/32 38-9/32 33-27/32 35-7/16
LDN187HV4 / 18,000
7DEOHIndoor Unit Bolt Location Dimensions.
)LJXUHAir inlet from the back of the indoor
unit.
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4
(Field
supplied)
X 4
M10 Nut
M10 SP. washer
M10 washer
X 4
X 4
(Field
supplied)
X 4
1. Select and mark the area for the suspension or console bolts
(use embedded inserts or anchor bolts in new buildings, and
hole-in-anchors in older buildings).
2. Drill the holes.
3. Add the set-anchor and the plate washer to the bolts (bolts must
be at least 13/32 inches in diameter), and then insert the bolts
into the installation area.
4. Add the plate washer, spring washer, and nut to secure the bolts
into the installation area.
5. Position the indoor unit installation plates onto the bolts. Secure
using nuts, plate washers, and spring washers. Adjust for level as
necessary.
• Unit must be installed correctly.
• Tighten the nuts and bolts to prevent the unit from falling.
)LJXUHPreparing the Installation Area.
)LJXUHAir inlet from the bottom of the
indoor unit.
7DEOHIndoor Unit Bolt Locations.
Indoor Unit s
Air Filter
Air Outlet
Air Outlet
Air Filter
Back Panel
Back Panel
DUCT (LOW STATIC) INDOOR UNITS
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Install a canvas duct to the air outlet and air inlet so that vibration from the indoor unit does not carry
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suspension bolts.
Preparing the Installation Area and Hanging the Indoor Unit Frame
)LJXUHConsole Bolt Options.
)LJXUHHanging the Indoor Unit.
Installation and Best Layout Practices
C
E
G
D
F
I
A
J
B
H
Drainage hole
DUCT (LOW STATIC) | 87
Ceiling-Concealed Duct (Low Static)
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MULTI
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MAX
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