Windster RA-77 - Manual (Page 9)

INSTALLATION 8
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 RA14LCFMR (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. REPEAT “STEP F – M” from WALL MOUNT INSTALLATION section.
4. DUCTLESS INSTALLATION (OPTIONAL)
a. AFTER COMPLETING Step A
– G of Section 1 WALL MOUNT
INSTALLATION
b. Remove the RA14LDK (ductless kit) and inspect for any sign of defect or
damage. (ie. dents, broken inlet)
c. Mount the ductless kit at the top of the ceiling using the screws provided.
d. Make sure the duct cover vent opening aligns with the air diverter. (Fig.
2e)
e.
Connect a 6” or 7” ducting to the collar of the hood.
f. Connect the exhaust pipe to the outlet of the unit. (Fig. 2b)
g. Connect the exhaust pipe to the air diverter collar.
h. REPEAT “STEP K – M” from WALL MOUNT INSTALLATION section.
Installation diagram available on next page