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INSTALLATION
INSTALLATION - CEILING MOUNT
1.Before installation,make sure there is enough space below the unit so
that the door can be opened freely for maintainance. The minimum space is
26.7 inches.
2.Refer to distance between brackets in fig.6. Choose the appropriate place
to locate the unit
3.Secure unit to the ceiling using two screws provided for each bracket, making sure not to
secure it into drywall alone.
DUCTWORK
Separate Room Air Pick-up - Fresh Air to Furnace Return Air Duct.
FA
EA
OA
Furnace Return Air Back into Return Air
Return air grille
FA
EA
OA
RA
(Furnace)
Minimum 3'
Furnace
RA (from bathrooms, dining areas)
Furnace
RA
Separate Return Air and Fresh Air Supply
SA
EA
OA
Fig.1
Furnace Return Air Back into Supply Air
SA
EA
RA
OA
(Furnace)
Fig.3
5
fig.5
fig.6
30.3"
fig.7
FA
RA (from bathrooms, dining areas)
RA
(Furnace)
SA
Furnace
FA
RA
Return air grille
www.ortechindustries.ca
26.7"
SA
Furnace
Fig.2
RA
(Furnace)
Fig.4
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