American Dryer Corp D3030 User Manual

Size:
1.39 Mb
Download

SPECIFICATIONS – GAS, ELECTRIC, OR STEAM

NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or obligation.

7

SECTION III

INSTALLATION PROCEDURES

Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, the installationmust conform to applicable American National Standards: ANSI Z223.1- LATEST EDITION (National Fuel Gas Code) or ANSI/NFPA NO.70-LATESTEDITION (National Electrical Code) or in Canada, the installationmust conform to applicable Canadian Standards:CAN/CGA-B149.1-M91(Natural Gas) orCAN/CGA-B149.2-M91(Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing) or Canadian Electrical Codes Parts 1 & 2 CSAC22.1-1990or LATEST EDITION (for Electrical Connections).

A. UNPACKING/SETTING UP

Remove protective shipping material (i.e., plastic wrap and optional shipping box) from dryer.

IMPORTANT: Dryermust be transported and handled in an upright position atALL times.

The dryer can be moved to its final location while still attached to the skid or with the skid removed. To unskid the dryer, locate and remove the four (4) bolts securing the base of the dryer to the wooden skid. Two (2) are at the rear base (remove the back panel for access), and two (2) are located in the bottom of the lint chamber. To remove the two (2) bolts located in the lint chamber area, remove the lint drawer.

With the skid removed, to make it easier to slide the dryer into its final position, slightly lower ALL four (4) leveling legs, so that the dryer will slide on the legs instead of the base frame.

To increase bearing life and improve efficiency, the dryer should be tilted slightly to the rear.

1.Leveling Dryer

The dryer is equipped with four (4) leveling legs, one (1) at each corner of the base. Two (2) are located at the rear of the dryer base, and two (2) are located in the lint chamber (coop). To increase bearing life and improve efficiency, the dryer should be tilted slightly to the rear.

8

B. LOCATION REQUIREMENTS

Before installing the dryer, be sure the location conforms to local codes and ordinances. In the absence of such codes or ordinances the location must conform with the National Fuel Gas Code ANSI.Z223.1 LATEST EDITION, or in Canada, the installationmust conform to applicable Canadian Standards:CAN/CGA-B149.1-M91 (Natural Gas) orCAN/CGA-B149.2-M91(Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing).

1.The dryer must be installed on a sound level floor capable of supporting its weight. Carpetingmust be removed from the floor area that the dryer is to rest on.

IMPORTANT: “The dryermust be installed on noncombustible floors only.”

2.The dryer must not be installed or stored in an area where itwill be exposed to water and/or weather.

3.The dryer is for use in noncombustible locations.

4.Provisions for adequate air supply must be provided as noted in this manual (refer toFresh Air Supply Requirements inSection D).

5.Clearance provisions must be made from combustible construction as noted in this manual (refer toDryer Enclosure Requirements inSection C).

6.Provisions must be made for adequate clearances for servicing and for operation as noted in this manual (refer toDryer Enclosure Requirements inSection C).

7.Dryer must be exhausted to the outdoors as noted in this manual (refer toExhaust Requirements in

Section E).

8.Dryer must be located in an area where correct exhaust venting can be achieved as noted in this manual (refer toExhaust Requirements inSection E).

IMPORTANT: Dryershould be located where a minimum amount of exhaust ductwill be necessary.

9.The dryer must be installed with a proper exhaust duct connection to the outside.

10.The dryer must be installed with provisions for adequate combustion andmake-upair supply.

CAUTION: This dryer produces combustible lint andmust be exhausted to the outdoors. Every 6 months, inspect the exhaust ducting and remove any lint build up.

IMPORTANT: Dryer must be installed in a location/environment, which the ambient temperature remains between 40° F (4.44° C) and 130° F (54.44° C).

9

C. DRYER ENCLOSURE REQUIREMENTS

Bulkheads and partitions should be made of noncombustible materials andmust be located a minimum of12-inches(30.48 cm) above the dryer’s outer top;18-inches(45.72 cm) for steam dryers, except along the front of the dryer which may be closed if desired.

NOTE: Allowancesmust be made for opening the control door.

X = 12-inch(30.48 cm) minimum,24-inches(60.96 cm) is suggested for ease of maintenance.

*1-inch(2.54 cm) maximum for electric dryers.

**18-inch(45.72 cm) minimum for steam dryers.

NOTE: Air considerations are important for proper and efficient operation.

Dryers may be positioned sidewall to sidewall. However, a 1/16” (1.5875 mm) minimum allowance must be made for the opening and closing of the control door. It is suggested that the dryer be positioned about 2 feet (0.61 meters) away from the nearest obstruction for ease of installation, maintenance, and service (to be measured from the back guard). Refer to theillustration above for details.

10

D. FRESH AIR SUPPLY REQUIREMENTS

The air supply (make-upair)must be given careful consideration to assure proper performance of each dryer. An unrestricted source of air is necessary for each dryer. As a general rule, an unrestricted air entrance from the outdoors (atmosphere) of a minimum of 1 square foot (0.093 square meters) is required for each dryer. If registers or louvers are installed over the openings, then the areamust be increased. Itis not necessary to have a separatemake-upair opening for each dryer. Commonmake-upair openings are acceptable. However, theymust be set up in such a manner that themake-upair is distributed equally to the dryers. The dryermust be installed with provisions for adequate combustion andmake-upair supply.

EXAMPLE: For a bank of eight (8) dryers, two (2) unrestricted openings measuring 2 feet by 2 feet (0.61 meters by 0.61 meters), (4 square feet [0.372 square meters]), are acceptable.

IMPORTANT: Make-upair openingsshould not be located in an area directly near where exhaust vents exit the building.

Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas.

IMPORTANT: Make-upairmust be provided from a source free of dry cleaning solvent fumes.Make-upair that is contaminated by dry cleaning solvent fumes will result in irreparable damage to the motors and other dryer components.

NOTE: Component failure due to dry cleaning solvent fumes willVOID THE WARRANTY.

11

E. EXHAUST REQUIREMENTS

Exhaust ductwork should be designed and installed by a qualified professional. Improperly sized ductwork will create excessive back pressure, which results in slow drying, increased use of energy, and shutdown of the burner by the airflow (sail) switch, burnerhi-limit,or lint chamberhi-heatprotector thermostat. The dryermust be installed with a proper exhaust duct connection to the outside.

CAUTION: This dryer produces combustible lint andmust be exhausted to the outdoors.

When possible, it is suggested to provide a separate (single) exhaust duct for each dryer.

CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD.

The exhaust ductwork should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible. The shape of the ductworkis not critical so long as the minimum cross section area is provided. Single or independent dryer venting is recommended.

It is suggested that the use of 90° turns be avoided; use 30° or 45° angles instead.

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

IMPORTANT: When connecting ductwork to the dryer exhaust duct, be sure that when screws are used theyDO NOT restrict the operation (both opening and closing) of the damper.

NOTE: When the exhaust ductwork passes through a wall, ceiling, or roof made of combustible materials, the openingmust be 2-inches(5.08 cm) larger than the duct (all the way around). The ductmust be centered within this opening.

To protect the outside end of the horizontal ductwork from the weather, a 90° elbow bent downward should be installed where the exhaust exits the building. If the ductwork travels vertically up through the roof, itshould be protected from the weather by using a 180° turn to point the opening downward. In either case, allow at least twice the diameter of the duct between the duct opening and the nearest obstruction (i.e., roof or ground level).

IMPORTANT: DO NOT use screens, louvers, or caps on the outside opening of the exhaust ductwork.

IMPORTANT: Exhaust back pressure measured by a manometer at the dryer exhaust duct areamust be no less than 0 andmust not exceed 0.3 inches (0.74 mb) of water column (W.C.).

IMPORTANT: It is recommended that exhaust or booster fans not be used in the exhaust ductwork system.

12

NOTE: As per the National Fuel Gas Code, “Exhaust ducts for Type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material. Such ducts shall be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than0.0195-inches(26 gauge [0.05 mm]) thick.”

SINGLE DRYER VENTING

IMPORTANT: For exhaust duct runs over 85 feet (25.9 meters) a minimum size of10-inches(25.4 cm)must be used.

HORIZONTAL VENTING

When a single 8-inch(20.32 cm) horizontal vent is used, the ductwork to the outletcannot exceed 85 feet (25.9 meters), refer toIllus. A below. This calculation of 85 feet (25.9 meters) compensates or allows for the use of a maximum of only one (1) elbow (which is the outside outlet protection).

Illus. A

13

VERTICAL VENTING

When vertical single 8-inch(20.32 cm) venting is used (refer toIllus. B below), the ductwork from the dryer to the outside outletcannot exceed 55 feet (16.7 meters). This calculation compensates for the use of a maximum of three (3) elbows including the two (2) elbows creating the 180° (turned downward) outside outlet.

Illus. B

If the length of the ductwork run or quantity of elbows used exceeds the above noted specifications, the cross-sectionalarea of the ductworkmust be increased in proportion to the number of elbows or duct run added.

IMPORTANT: For extended ductwork runs, thecross-sectionalarea of the ductwork can only be increased to an extent. For extended ductwork runs, a professional heating, ventilating, andair-conditioning(HVAC) firmmust be consulted for proper venting information.

14

MULTIPLE DRYER (COMMON) VENTING

If it is not feasible to provide separate exhaust ducts for each dryer, ducts for individual dryers may be channeled into a common main duct. Each dryer is provided with a back draft damper. The individual ducts should enter the bottom or side of the main duct at an angle not more than 45° in the direction of the airflow.

The main common duct may be any shape so long as the minimum cross-sectionalarea is provided. The main ductshould be tapered with the diameter increasing before each individual8-inch(20.32 cm) duct is added (refer toIllus. C for Horizontal Venting andIllus. D for Vertical Venting).

IMPORTANT: No more than four (4) dryers maximumshould be connected to one (1) main common duct with a vertical run.

NOTE: Distance between dryer single ducts being connected to the main common ductmust be a minimum of34-1/4”(87 cm) dryer width.

Ductwork should be laid out in such a manner where allowances are made at rear area of the dryer for removal of rear service panels or guards.

The illustrations onpage 16 show the minimum cross section area for multiple dryer venting. These figuresmust be increased in proportion if the main duct run from the last dryer to where it exhausts has numerous elbows or is unusually long.

IMPORTANT: For extended ductwork runs, the cross section area of the duct can only be increased to an extent. For extended ductwork runs, a professional heating, ventilating, andair-conditioning(HVAC) firmmust be consulted for proper venting information.

Refer to page 16 for Multiple Dryer Horizontal Venting and Vertical Ventingexamples/illustrations.

15

HORIZONTAL VENTING

Illus. C

VERTICAL VENTING

Illus. D

16