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Standard Installation Examples; Installation Method - Mitsubishi Electric LGH-25RVX-E Installation Instructions Manual

Lossnay energy recovery ventilator.
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Standard installation examples

• Duct length
Model
LGH-15 to 65RVX-E
LGH-80 and 100RVX-E
LGH-150 and 200RVX-E
• The parts can also be installed upside down.
Remove the maintenance cover, rotate the parts
by 180°, and re-install.
* It can be installed by inverting the top and the bottom.
Maintenance
Inspection
space
opening
OA
(outside
air intake)
Lossnay unit
EA
(exhaust
air outlet)
EA
(exhaust
air outlet)
Electrically operated damper
(Protection against the intrusion of cold air
OA
while Lossnay is stopped in winter)
(outside
(To be provided by the customer)
air intake)
EA
Lossnay unit
(exhaust
air outlet)
OA
(outside
air intake)
• In a region where there is risk of freezing in winter, it is
recommended to install an Electrically operated damper, or the like,
in order to prevent the intrusion of (cold) outdoor air while Lossnay
is stopped.

Installation method

Installing the Lossnay unit
1. Attaching the duct connecting flanges
Use the supplied screws (size:4-8) to secure the duct connecting
flanges to the Lossnay unit.
Models LGH-15 to 100RVX-E
Duct connecting flange
(Accessory parts)
Models LGH-150 and 200RVX-E
Eng-4
Distance
1 m or more
2.5 m or more
EA (exhaust air outlet)
3 m or more
OA (outside air intake)
After installing the duct
connecting flange, remove
the maintenance cover.
Downward gradient of duct:
Turn the cover by 180˚,
1/30 or more (toward wall side) and provision of distance
and then reinstall it.
in table below (to prevent rain water from seeping in)
Deep hood
(to prevent rain water from
seeping in)
Mounting screw (size:4-8)
(Accessory parts)
Mounting screw
(size: 4-8)
(Accessory parts)
Duct connecting flange
(Accessory parts)
* Except the 150 and 200 RVX-E.
Lossnay unit
Duct
Lossnay unit
OA
Inspection opening
(outside air intake)
(450x450 or more)
EA
Remote controller
(exhaust air outlet)
(optional parts)
CAUTION
• Do not install Lossnay unit vertically or on an incline.
CAUTION
• Before attaching the duct connecting flanges, check that no
foreign matter (scraps of paper, vinyl, etc.) has found its way
inside to Lossnay unit.
• Attach the duct connecting flanges with the packing at the SA
and RA sides.
2. Securing the ceiling suspension fixtures
Models LGH-15 to 100RVX-E
(1) Loosen the screws for the ceiling suspension fixtures.
(2) Rotate the ceiling suspension fixtures 90° centered around the
loosened screws to make them horizontal.
(3) Firmly tighten and secure the ceiling suspension fixtures to the
product with the loosened screws and the included mounting
screws (M5-10).
* The ceiling suspension fixtures are folded and secured to the
unit when shipped from the factory.
Loosen
Return air grille
(not Included)
Supply air grille
(not included)
Maintenance space
Inspection opening
Anchor bolt (to be provided by user)
SA
RA
(supply air)
(return air)
Supply air grille
Return air grille
(not included)
(not included)
Mounting screw
(size: 5-10)
(Accessory parts)

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