American Dryer Corp ML-55II When the exhaust ductwork, Passes through a wall, ceiling, Dryer

Important

For extended ductwork runs, the ! cross section area of the ductwork can only be increased to an extent. When the ductwork approaches the maximum limits noted in this manual, a professional heating, ventilating, and air-conditioning (HVAC) firm should be consulted for proper venting

information.

All ductwork should be smooth inside with no projections from sheet metal screws or other obstructions, which will collect lint. When adding ducts, the duct to be added should overlap the duct to which it is to be connected. All ductwork joints must be taped to prevent moisture and lint from escaping into the building. Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork.

	Note
!	When the exhaust ductwork
	passes through a wall, ceiling,
	or roof made of combustible
materials, the opening must be 2-inches

(5.08 cm) larger than the duct (all the way around). The duct		Each dryer should be connected to an independently protected
must be centered within this opening.		branch circuit. The dryer must be connected with copper
		wire only. Do not use aluminum wire; it could create a fire
Outside Ductwork Protection		hazard. The copper conductor wire/cable must be of proper
To protect the outside end of the horizontal ductwork from the		ampacity and insulation in accordance with electric codes
weather, a 90° elbow bent downward should be installed		for making all service connections.
where the exhaust exits the building. If the ductwork travels			Note
vertically up through the roof, it should be protected from the
weather by using a 180° turn to point the opening downward.		!	The use of aluminum wire will void the warranty.
In either case, allow at least twice the diameter of the duct			An individual ground circuit must be provided to
between the duct opening and the nearest obstruction.			each dryer, do not daisy chain.
	Important	Component failure due to improper voltage application will
!	Do not use screens, louvers, or caps on the outside	void the warranty.
	opening of the exhaust ductwork.	ADC reserves the right to make changes in specifications at
		any time without notice or obligation.
Electrical Information ________________			Important
Electrical Requirements		!	A separate protected circuit must be provided to each
			dryer.
All electrical connections must be made by a properly licensed		The dryer must be connected to the electric supply shown on
and competent electrician. This is to ensure that the electrical
		the data label. In the case of 208 VAC or 230/240 VAC, the
installation is adequate and conforms to local and state
		supply voltage must match the electric service specifications
regulations or codes. In the absence of such codes, all
		of the data label exactly.
electrical connections, materials, and workmanship must
conform to the applicable requirements of the National		The wire size must be properly sized to handle the related
Electrical Code ANSI/NFPA NO. 70-LATEST EDITION or in		current.
Canada, the Canadian Electrical Codes Parts 1 & 2 CSA			Warning
C22.1-1990 or LATEST EDITION.
		!	208 VAC and 230/240 VAC are not the same. Any
	Important		damage done to dryer components due to improper
!	Failure to comply with these codes or ordinances,		voltage connections will automatically void the
		warranty.
	and/or the requirements stipulated in this manual
	can result in personal injury or component failure.
	Note
	Component failure due to improper installation will

!void the warranty.

8 American Dryer Corp. 113345-9