Non Adjustable Non Assembled Roof Curb - Lennox BAC020SNM Installation, Operating And Maintenance

INSTALLATION ON A ROOF MOUNTING FRAMES
NON ADJUSTABLE NON ASSEMBLIED ROOFCURB
FRAME PARTS IDENTIFICATION
Figure 20 shows the different parts used in the assembly of this roof mounting frame.
INSTALLATION
The roof mounting frame provides support when the units are installed in down-flow configurations.
The non adjustable, non assembled roof mounting frame can be installed directly on decks having adequate structural strength
or on roof supports under deck. See page 24 for frame dimensions, location of supply and return air opening
NOTE: frame assembly must be installed flat, levelled within 5mm per linear meter in any direction.
BALTIC R410A-IOM-0708-E
UNIT FLOOR
UNIT FLOOR
INSULATION
AIR DUCT
Fig. 20
UNIT Support rail
ROOFCURB
Fig. 21
Page 20