manual

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INSTALLATION
8
INSTALLATION
1. WALL MOUNT INSTALLATION
a. Make sure all preparation steps are completed.
b. Determine your ceiling height to see if you need an extension.
i. Hood unit height = 12-1/4”
ii. Duct cover height = 14-1/4” (lower) + 15-1/4” with bracket
(upper)
iii. Minimum height (duct cover only) = 14-1/4”
iv. Maximum height (duct cover only) = 28-1/4”
v. (OPTIONAL) Extension duct cover height = 46-3/4”
vi. Maximum height (duct cover with extension only) = 60”
c. Determine the location you want to install the range hood. (Fig. 2a)
d. Prepare back wall frame with cross wood support.
e. Mount the unit onto wall with mounting screws (not included)
f. Adjust the duct cover mounting bracket to your desired height.
g. Use a spirit level to ensure the balance of the hood is true.
h. (OPTIONAL) Use the conversion collar for 7” ducting.
i. Connect a 6” or 7” ducting to the collar of the hood.
j. Connect the exhaust piping to the outlet of the unit. (Fig. 2b)
k. Finish off by sealing the connection point with aluminum tape.
l. Slide the duct cover into the unit and adjust its height. (Fig. 2c)
m. Secure it with the (6) duct cover screws provided. (Fig. 2d)
2. EXTENSION DUCT COVER INSTALLATION (OPTIONAL)
a. Replace the original upper duct cover piece with the extension.
b. Determine the desired height to mount the duct cover.
c. REPEAT “STEP F – M” from WALL MOUNT INSTALLATION section.
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INSTALLATION
9
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 RA-77CFMR (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 RA-77DK (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