Cosmo COS-63190 - Step 4: Chimney Cover Assembly; Step 5: Ceiling Bracket Mounting; Step 6: Vent Pipe Connection

11
668 SERIES
30" Model: COS-668A750 / 668AS750 / 668WRC75 / 668WRCS75
36" Model: COS-668A900 / 668AS900 / 668WRC90 / 668WRCS90
2 ³⁄₈"
(6.0 cm)
18 ¹⁄₂"
(47.0 cm)
30" Model: 29 ⁵⁄₁₆" (74.5 cm)
or
36" Model: 35 ¹⁄₄" (89.5 cm)
19 ³⁄₈"
(49.2 cm)
12 ³⁄₄"
(32.4 cm)
11 ¹⁄₈"
(28.3 cm)
Ducted (Vented):
21 ⁷⁄₁₆" (54.5 cm) min.
39 ³⁄₁₆" (99.5 cm) max.
Ductless (Recirculating):
25 ⁹⁄₁₆" (65.0 cm) min.
39 ³⁄₁₆" (99.5 cm) max.