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Mitsubishi Electric LGH-F300RX5-E Installation Instructions Manual page 4

Lossnay energy recovery ventilator
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Installation method (continued)
If the suspension bolts are short, change the
mounting hardware.
For the models LGH-F470 and F600 RX
(1) Remove the suspension fixture and mount it to the upper mounting
position.
(2) Replace screws in the holes for the suspension fixture that has been
removed to prevent air leakage
Screws
Models LGH-F470 and F600 RX
4. Connecting the ducts
(1) Fasten the duct securely to the duct connecting flange, and wrap
aluminium tape (not included) around the joints so that there is no air
leakage.
(2) Suspend the ducts from the ceiling 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.
Models LGH-F300, F470, F600 RX
Taping
Model LGH-F1200 RX
5
Taping
Heat-insulating material
Duct connecting flange
4
5
Suspension fixture
5
5
Duct
Aluminium tape
Heat-insulating material
Lossnay
unit
Outdoor duct
Duct connecting flange
Duct
Aluminium tape
Heat-insulating material
Lossnay
unit
Outdoor duct
Duct connecting flange
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.
• Do not touch the damper plate inside Lossnay unit when
connecting 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
5. When changing the direction of the out door
side duct (EA/OA) ·····Except for LGH-F1200 RX
(1) Removal of flange cover
Unscrewing the flange cover mounting screws (4 pcs), remove the
flange cover.
Ceiling suspension fixture
Flange cover
Mounting screw
(for flange cover)
(2) Installation of duct connecting flange
1. Install the duct connecting flange using attached mounting screws.
2. Fix the removed flange cover with the removed mounting screws
(4 pcs).
Duct connection flange
Mounting screw
(Accessory parts)
CAUTION
.
• After installing the Lossnay unit, attach the supplied screw caps to
the screws at the bottom of the unit.
Models LGH-F300, F470, F600 RX
Screw
Screw cap
• Bends right next
• Extreme reduction in
to the outlet
the diameter of the
connected ducts
Ceiling suspension fixture
Model LGH-F1200 RX
5
5
Screw
Screw cap
5

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This manual is also suitable for:

Lgh-f470rx5-eLgh-f600rx5-eLgh-f1200rx5-e