Instruction/ maintenance manual of the product ML-122 ADC
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ADC Part No. 450412 - 4 American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 USA T elephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447 e-mail: techsupport@amdry .
2 American Dryer Corporation 450412 - 4 Ret ain This Manual In A Safe Place For Future Reference American Dryer Corporation products embody advanced concept s in engineering, design, and safety . If this product is properly maintained, it will provide many years of safe, efficient, and trouble free operation.
450412 - 4 www .amdry .com 3 IMPORT ANT Y ou must disconnect and lockout the electric supply and the gas supply or the steam supply before any covers or guards are removed from the machine to allow access for cleaning, adjusting, installation, or testing of any equipment per OSHA standards.
4 American Dryer Corporation 450412 - 4 Impor tant Infor mation _______________ Safety Precautions W ARNING: For your safety , the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury , or loss of life .
450412 - 4 www .amdry .com 5 NOTE: Frequency can best be determined at each location. Daily (Beginning) of each work shift. Clean lint from the drawer and screen. Inspect lint screen and replace if torn. Weekly Clean lint accumulation from lint chamber , thermostat, and microprocessor temperature sensor (sensor bracket) area.
6 American Dryer Corporation 450412 - 4 CAUTION: Improperly sized or installed exhaust ductwork can create a potential fire hazard . Electrical and Gas Requirements It is your responsibility to have a.
450412 - 4 www .amdry .com 7 Gas Bur ner Assemb ly Gas heated dryers are equipped with a gas burner assembly consisting of 3 burner tubes, a gas valve, an ignitor , a flame sensor , a sail switch, a hi-limit thermost at, and an ignition control module.
8 American Dryer Corporation 450412 - 4 Drive Shaft Assembly (Viewing from the front of the dryer) Behind front panel on the right side of the dryer , you can view the drive shaft assembly , which consists of a 9-inch (22.86 cm) drive pulley , two 6-inch (15.
450412 - 4 www .amdry .com 9 T emper a ture Sensor Brack et This is located inside the dryer in the lint compartment above the lint screen. This bracket consists of 2 devices. One is a temperature sensor probe and the other is a high limit thermostat, which is set at 225º F (107º C).
10 American Dryer Corporation 450412 - 4 Connect keypad ribbon to the computer . Reestablish electrical power to the dryer . Microprocessor T emperature Sensor Probe Replacement Discontinue electrical power to the dryer . Remove perforated panel from tumbler .
450412 - 4 www .amdry .com 11 W ARNING: T est all connections for leaks by brushing on a soapy water solution . NEVER TEST FOR LEAKS WITH A FLAME!!! T o Convert Natural Gas to L.P . Gas NOTE: All dryers are sold as natural gas, unless otherwise specified at the time the dryer order was placed.
12 American Dryer Corporation 450412 - 4 T umbler Hi-Limit Thermostat (225º F [107º C]) Replacement Disconnect electrical power to the dryer . Open lint door . Locate sensor bracket assembly , remove the 2 nuts securing bracket assembly to the tumbler wrapper .
450412 - 4 www .amdry .com 13 ! Remove the remaining piping from the steam coil. Remove all of the panels surrounding the steam coil. Unbolt the steam coil and remove. W ARNING: The steam coil is heavy . A crane may be needed to remove (and install) the steam coil .
14 American Dryer Corporation 450412 - 4 Main Door Assembly Replacement Open main door . Holding the door upward remove the 2 screws from the top hinge block. Lift the door up to remove. Reverse this procedure for reinstalling new main door assembly .
450412 - 4 www .amdry .com 15 T umbler W heel R eplacement on Drive Assembly Discontinue electrical power to the dryer . Remove front panel from dryer . (Follow front panel replacement directions on page 14.) Remove the 10 1/4-20 x 1/4” socket button head screws from the perforated basket side.
16 American Dryer Corporation 450412 - 4 Check the basket drive belt for proper tension. Adjust if necessary . Replace the wrapper panels. Replace the perforated tumbler panel. 1-15/16 (5 cm) Flange Bearing Replacement Disconnect electrical power to the dryer .
450412 - 4 www .amdry .com 17 Motorized Impellor (Blower) Replacement Discontinue electrical power to the dryer . Remove lint draw . Remove the perforated panel inside the tumbler . Remove the bolts securing the inlet cone. Remove the inlet cone. Remove the bolts securing the motor plate to the dryer cabinet.
18 American Dryer Corporation 450412 - 4 Lint Door Switch Replacement Discontinue electrical power to the dryer . Remove the lint door panel. (For the ML-122.) Remove the front panel. (For the ML-96.) Disconnect both 4-pin connectors at the rear of the lint switch cover .
450412 - 4 www .amdry .com 19 Overload for impellor (fan) motor is tripping... Either an exceptionally low or high voltage supply . Motor bearing failure. Motor vents are blocked with lint. Failed motor . Failed overload. Out of balance impellor (fan).
20 American Dryer Corporation 450412 - 4 bURNER CONTROL F AIL – This routine monitors the ignition control’s gas valve output response. If the valve output signal is not present from the ignition control within the valve time limits the Phase 6 microprocessor controller (computer) determines the ignition control has failed.
450412 - 4 www .amdry .com 21 L.E.D. Display Indicator Number 4 On Indicator: This indicator dot is on whenever a cycle is in progress. Additionally , when the Anti-Wrinkle program is active, the indicator dot will be on whenever the Phase 6 OPL microprocessor controller (computer) is in the Guard On Time program.
22 American Dryer Corporation 450412 - 4 If the dryer is active (running) and the lint door is opened the “LINT” L.E.D. indicator will go out and the display will read “LINT dOOR.” The dryer will stop until the lint drawer has been closed, at which time the L.
450412 - 4 www .amdry .com 23 EE PROM F AUL T ### – Error in memory location. The ### indicates the location of the fault. Input/Output Board L.E.D. Indicators Inputs ESTOP – (RED L.E.D.): This L.E.D. will indicate the status of the E-STOP . If the E-STOP has been pressed, then the L.
24 American Dryer Corporation 450412 - 4 How to Use a Manometer With dryer in nonoperating mode, remove plug on the gas valve pressure tap. Attach plastic tubing to pressure tap. Fitting is supplied with manometer (refer to illustration). Attach manometer to dryer using magnet.
450412 - 4 www .amdry .com 25 Notes _____________________________________________________________________________________________ ______________________________________________________________________.
ADC Part No. 450412 4 - 01/02/08 - 0.
An important point after buying a device ADC ML-122 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ADC ML-122 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ADC ML-122 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADC ML-122 you will learn all the available features of the product, as well as information on its operation. The information that you get ADC ML-122 will certainly help you make a decision on the purchase.
If you already are a holder of ADC ML-122, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ADC ML-122.
However, one of the most important roles played by the user manual is to help in solving problems with ADC ML-122. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADC ML-122 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
