Standard Installation Examples - Mitsubishi Electric LGH-50RVS-E Installation Instructions Manual

3. Standard installation examples

• Duct length
Model
LGH-50RVS-E
LGH-80 and 100RVS-E
Electrically operated damper
(Protection against the intrusion of cold
air while Lossnay is stopped in winter)
(To be provided by the customer)
Lossnay
unit
• 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.
Distance
1 m or more
2.5 m or more
EA
(exhaust air outlet)
OA
(outside air intake)
EA
(exhaust air outlet)
OA
(outside air intake)
Return air grille
(not included)
• When RA comes from a space which have strong odor like aromatic or
detergent in wash room or shower room, the SA location is recommended
not to arrange directly over the human living space.
• Follow the restrictions bellow with this Lossnay unit (LGH-RVS series).
In the case any of them is not observed, water leakage happens from the
unit.
• The unit shall be installed horizontally. The tolerance is ±0.5˚C.
• Do not install Lossnay unit upside-down.
• Do not install Lossnay unit vertically or on an incline.
• The surrounding air condition of the unit shall be between 0 and 40˚C, and
Return air grille
(not Included)
Lossnay unit
Supply air grille
(not included)
Maintenance space
Inspection opening
Anchor bolt (to be provided by user)
RA SA
(return air) (supply air)
Supply air grille
(not included)
CAUTION
the dew point of the ambient air shall be lower than 11˚C in winter (e.g. 20˚C
56%RH or less).
Eng-6
EA
(exhaust air outlet)
OA
(outside air intake)
Downward gradient of duct:
1/30 or more (toward wall side) and provision
of distance in the table above (to prevent rain
water from seeping in)
Duct
Deep hood
(to prevent rain water
from seeping in)
Lossnay unit
OA
Inspection opening
(outside air intake)
(450x450 or more)
EA
(exhaust air outlet)
Remote controller
(optional parts)