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8
INSTALLATION
3. COLD WEATHER INSTALLATION (OPTIONAL)
a.
Check with your local building codes to see if a CFM reducer is an
acceptable alternative to make-up air.
b.
Remove the RA2390CFMR (CFM Reducer) and inspect for any sign of
defect or damage. (ie. Cracks, broken flips)
c.
AFTER COMPLETING Step A – G of Section 1 WALL MOUNT
INSTALLATION
d.
Place the CFM reducer onto the outlet of the unit and seal the connection
point with aluminum tape. (Be sure it is secure with no opening or gaps)
e.
Connect a 6" or 7" ducting to the collar of the hood.
f.
Connect the exhaust piping to the outlet of the unit. (Fig. 2b)
g.
Finish off by sealing the connection point with aluminum tape.
h.
Slide the duct cover into the unit and adjust its height. (Fig. 2c)
i.
Secure it with the (6) duct cover screws provided. (Fig. 2d)
Installation diagram available on next page
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