Enviro EF4 - Manual (Page 16)

16
Outside fresh air is mandatory when installing this
unit in airtight homes and mobile homes.
When connecting to an outside fresh air source, do not use
plastic or combustible pipe. Only 15⁄8” minimum (42 mm)
ID (inside diameter) steel, aluminum or copper pipe should
be used. It is recommended, when you are installing a fresh
air system, to keep the number of bends in the pipe to a
minimum.
Installation
O
UTSIDE
F
RESH
-A
IR
C
ONNECTION
:
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Figure 14: Outside Air Connection.
E
XHAUST
A
ND
F
RESH
A
IR
I
NTAKE
L
OCATIONS
:
EXHAUST Freestanding Insert
Base to center of flue 15 1⁄4” (38.8 cm) 7 7⁄8” (20.0 cm)
Side to center of flue 5 7⁄8” (14.8 cm) 5 3⁄4” (14.6 cm)
Center of unit to center of flue 5 3 /
16
” (13.2 cm) 5 3 /
16
” (13.2 cm)
FRESH AIR INTAKE.
Base to center of intake 10 1⁄8” (25.9 cm) 2 15 /
16
” (7.4 cm)
Side to center of intake 8” (20.2 cm) 8 1 /
16
” (20.5 cm)
Center of unit to center of flue 3 1 /
16
” (7.8 cm) 3 1 /
16
” (7.8 cm)
INSTALL VENT AT CLEARANCES SPECIFIED BY THE VENTING MANUFACTURER
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Figure 15: EF4 Freestanding Inlet and Outlet Location. Figure 16: EF4 Fireplace Insert Inlet and Outlet Location.