Sub-Zero W302718, CTWH36, IH4227 Mounting Options, Wiring Plate Position, Ducting Options, Page

WIRING
BLACK
TO	TOP / BACK
BLACK
	OF HOUSING
	GROUND TO
	WIRING PLATE
	WIRING
	PLATE
	120 VAC
WHITE	LINE IN
	(from
TO	range
WHITE	hood)

Ventilator can be wired from outside of housing.

Use UL approved connectors to wire per local codes.

MOUNTING OPTIONS

Page 3

WIRING PLATE POSITION

VERTICAL

POWER CABLE

CONNECTION

HORIZONTAL POWER

CABLE CONNECTION

Wiring plate mounts to side or top of housing.

DUCTING OPTIONS

BLOWER DISCHARGE POSITIONS

¼-20 hex nuts secure mounting brackets to housing. Loosen and re-tighten or remove and replace nuts as necessary for desired mounting bracket position.

11/8"	1½"
MAX.	to
	2½"
21½"	21½"

Mounting brackets in	Mounting brackets flipped
factory-shipped position.	over and mounted to outlet
(Outlet parallel to joists.)	sides of housing.
(New construction)	(Outlet parallel to joists.)
	(Existing construction)

DUCT CONNECTOR

BLOWER

DUCT CONNECTOR

Change

blower

&duct

connector positions for vertical discharge.

BLOWER

	11/2"
	to
	21/2"
12¼"	21½"

Mounting brackets mounted	Mounting brackets flipped
to outlet sides of housing.	over to give approx. 1”
(Outlet perpendicular to joists.)	more clearance.
(New construction)	(Outlet parallel to joists.)
	(New construction)

91/2" to	10 3/4" to
101/2"	11 3/4"
21½"	21½"

Mounting brackets mounted	Mounting brackets flipped
to top of sides of housing.	over and mounted to top of
(Outlet parallel to joists.)	sides of housing.
(New or existing construction)	(Outlet parallel to joists.)
	(New or existing construction)

Blower and duct connec-	Blower and duct connec-
tor in horizontal discharge	tor in vertical discharge
position. (Factory shipped)	position.

DUCTING (Vertical blower discharge)

	ROOF CAP
10”	4½” X 18½”
	TO 10” ROUND
ROUND
	TRANSITION
DUCT

Typical ductwork connection to a ventilator converted to vertical discharge.