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Mitsubishi Electric LGF-100GX-E Installation Instructions Manual Page 15

Lossnay energy recovery ventilator floor standing type.
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Installation method
Installing the Lossnay unit
1. Installation of main unit
Use the attached screws (ø5 mm) to install the unit fixing plates
to Lossnay unit. The screws and unit fixing plates are inside of
maintenance panel A.
Install the main unit horizontally and fix it securly using off-the-shelf
washers and nuts (M16).
CAUTION
.
Install in a manner that the product weight will be supported
by the entire area of the base as illustrated.
1760
1450
Maintenance panel A
Main unit
Unit fixing plate
Screws (ø5 mm)
2. Attaching the duct connecting flanges
Use the attached screws (ø4 mm) to secure the duct connecting
flanges to the Lossnay unit.
Duct connecting flange
(Accessory parts)
4 x ø20 hole
(For securing main unit)
Unit fixing plate
Anchor bolt
Nut
Washer
Attached screw
(Accessory parts)
3. Connecting the ducts
(1) Fasten the duct securely to the duct connecting flange, and
wrap aluminium tape (not attached) around the joints so that
there is no air leakage.
(2) Suspend the ducts so that their weight will not be applied to
the Lossnay unit.
(3) The two outdoor ducts must be covered with heat-insulating
material in order to prevent condensation from forming.
Heat-insulating
material
Aluminium tape
CAUTION
.
Before attaching the ducts, check that no (debris or any
other) foreign matter (scraps of paper, vinyl, etc.) has found
its way inside the ducts.
If it is expected that the ambient temperature around the
place where the Lossnay unit is installed will be high during
the summer air conditioning season, it is recommended that
the indoor duct work be covered with insulation material.
Do not carry out the following types of duct construction. (Doing so
could cause a drop in the air volume and generate abnormal noises.)
• Extremely
• Multiple bends
sharp bends
4. Installation example
SA
RA
(supply air)
(return air)
More than 600
Maintenance space
Taping
Duct
Outdoor duct
Duct connecting
flange
Lossnay
unit
• Bends right next
• Extreme reduction in
to the outlet
the diameter of the
connected ducts
Trap against rainwater
OA
(outside air intake)
EA
(exhaust air outlet)
Duct incline Over 1/30
(toward the wall)
15

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