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American Dryer Corp. AD30 2R Series, Руководство по обслуживанию

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AD30x2R / AD45x2R

Service Manual

American Dryer Corporation

88 Currant Road

Fall River MA 02720-4781 USA

Telephone: +1 (508) 678-9000  /  Fax: +1 (508) 678-9447

e-mail: [email protected]

www.adclaundry.com

ADC Part No. 450370 - 2

Содержание AD30 2R Series

Страница 1: ... AD45x2R Service Manual American Dryer Corporation 88 Currant Road Fall River MA 02720 4781 USA Telephone 1 508 678 9000 Fax 1 508 678 9447 e mail techsupport amdry com www adclaundry com ADC Part No 450370 2 ...

Страница 2: ...as possible and hope you will find it useful The manufacturer reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly IMPORTANT For your convenience log the following information DATE OF PURCHASE __________...

Страница 3: ...vated Fire Extinguishing IMPORTANT You 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 Please observe all safety precautions displayed on the equipment and specified in the installation manual included wit...

Страница 4: ...eate a fire hazard Do not use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubber materials Drying in a heated tumbler may damage plastics or rubber and may be a fire hazard Aprogram should be established for the inspection and cleaning of lint in the heating unit area exhaust ductwork and inside the dryer The frequency of inspection and cleaning can best ...

Страница 5: ...ch can cause the damper to bind or stick A back draft damper that is sticking partially closed can result in slow drying and shutdown of heat circuit safety switches or thermostats When cleaning the dryer cabinet s avoid using harsh abrasives A product intended for the cleaning of appliances is recommended Adjustments 7 Days After Installation and Every 6 Months Thereafter Inspect bolts nuts screw...

Страница 6: ...formation does not agree with the type of gas available contact the reseller who sold the dryer or contact the factory The gas input ratings shown on the dryer data label are for elevations up to 2 000 feet 609 6 meters unless elevation requirements of over 2 000 feet 609 6 meters were specified at the time the dryer order was placed with the factory The adjustment for dryers in the field for elev...

Страница 7: ...ering the exhaust system The lint screen should be kept clean at all times The lint screens should be cleaned on a daily basis Lint screens with tears or holes should be replaced immediately Tumbler The tumbler consists of four 4 ribs a shaft and a front rear and mid felt seal The felt seals are used to keep the tumbler sealed to the front and rear panels There are also tie rods which run under ea...

Страница 8: ... is too long or has too many sharp bends on it It can also be caused by a lack of make up air The sail switch is located in the back of the dryer beside the burner inlet to the tumbler Temperature Sensor Computer Controls The temperature sensor used is a transducer that converts heat into microamps that the computer board then uses to calculate the temperature Gas Burner Gas dryers are equipped wi...

Страница 9: ...sure that all connectors are in place and making proper contact Check input voltages and temperature sensor After replacing any parts or performing adjustments or service run through a complete cycle TO REPLACE COMPUTER 1 Discontinue power to the dryer 2 Open control door 3 Disconnect the J2 J3 J4 J5 and J7 harnesses from the rear of the computer by squeezing the top locking tab and pulling the co...

Страница 10: ... particular model may have some differences AD45x2R 4 Disconnect sensor bracket harness connector 5 Disassemble the sensor probe from the bracket assembly by removing the top push on fastener securing the probe to the bracket Use a small screwdriver to slowly pry the fastener off 6 Install new sensor probe assembly by reversing the procedure 7 Reestablish power to dryer NOTE If when power is reest...

Страница 11: ...place NOTE Use extreme care when removing and replacing orifices THESE ORIFICES ARE MADE OF BRASS WHICH IS EASILY DAMAGED 3 Reverse the removal procedure for reinstalling WARNING Test all connections for leaks by brushing on a soapy water solution liquid detergent works well NEVER TEST FOR LEAKS WITH A FLAME TO TEST AND ADJUST GAS WATER COLUMN PRESSURE There are two 2 types of devices commonly use...

Страница 12: ...f the heat system is activated the sail switch is improperly adjusted and must be readjusted by bending the actuator arm of the sail switch toward the front of the dryer If the actuator arm is bent too far toward the front of the dryer the dryer may not have heat when needed After any adjustments of the sail switch the above procedure must be repeated to verify proper operation CAUTION Do not disa...

Страница 13: ...hours 7 After 24 hour curing period install main door on dryer by reversing Step 1 TO REPLACE FRONT PANEL 1 Discontinue power to the dryer 2 Follow procedure for removal of main door assembly 3 Open control service door and lint door IMPORTANT When removing front panel assembly be careful not to damage main door switch wires disconnected in Step 2 7 Reverse this procedure for installing the new fr...

Страница 14: ... damaged 3 Reverse procedure for installing the new lint bag 4 Close the lint door Motor TO REPLACE DRIVE MOTOR 1 Discontinue power to the dryer 2 Remove the drive belt 3 Disconnect wiring harness from the motor 4 Remove nuts and washers holding the motor mount to the rear of the dryer and pull motor mount away 5 Remove the bolts holding the motor to the motor mount and replace it with a new motor...

Страница 15: ...in a DSI proof time The Phase 7 non coin microprocessor controller computer will continue to recheck the gas valve return signal If the signal is lost during the DSI proof time the Phase 7 non coin microprocessor controller computer will turn off the heat output and determine what the retry count is set at If the retry count is greater than zero the Phase 7 non coin microprocessor controller compu...

Страница 16: ...r routine indicates a problem with overheating This error will initiate an Exhaust High Temp Fault condition and will go into Fault Mode with a brief audio indication The Phase 7 non coin microprocessor controller computer determines this error by monitoring the temperature sensor input to have a steady gradual increase in temperature to a known upper limit the limit typically is 20 over the maxim...

Страница 17: ...utine prevents the start up of the dryer unless the sail switch is in the open position If the sail switch is in the closed position prior to starting the Phase 7 non coin microprocessor controller computer will display PLEASE WAIT START UP IN PROCESS and will allow the Phase 7 non coin microprocessor controller computer 10 seconds for the sail switch to open before faulting out on a Sail Switch C...

Страница 18: ...connections are fine next change the temperature sensor probe 3 If the display still reads Bad Exhaust Temp Probe change the computer board D The display reads Sail Switch Open Fault Refer to page 20 1 The sail switch has opened while dryer is in the heating mode Is the blower motor running normally If not troubleshoot blower motor 2 Check for block or restriction in the exhaust 3 Make sure exhaus...

Страница 19: ...tor pin 3 If no voltage check for a loose connection or change the computer board If voltage is present proceed to Step 4 4 Check for voltage to the lint drawer switch If voltage is present check that the switch has continuity when depressed if not replace switch If switch has continuity proceed to Step 5 5 Check for voltage 24 VAC at the computer board J8 connector pin 4 If no voltage check for a...

Страница 20: ...20 American Dryer Corporation 450370 2 ...

Страница 21: ...Orifice Size For Gas Dryers Gives the number drill size used 6 Electric Service This describes the voltage and current rating for a particular model 7 Gas Manifold Pressure For Gas Dryers This describes the manifold pressure taken at the gas valve tap Using A Manometer HOW TO USE A MANOMETER 1 With dryer in nonoperating mode remove plug on the gas valve pressure tap 2 Install 1 8 N P T fitting sup...

Страница 22: ...ve trip point if so water will remain on The control will continue to check if temperature is above trip point every 30 seconds If the water has been on for a constant 10 minutes the water will be turned off regardless of the temperature If the temperature has dropped below trip point the control will turn off the water prior to 10 minutes Static Pressure The pressure of the air in sheet metal duc...

Страница 23: ...er downstream of the Pitot tube The following is an example showing the proper location to take a static pressure reading In designing a dryer exhaust duct system it is not necessary to compute the friction loss of the ductwork The friction loss static pressure is predetermined to not exceed 0 3 in WC 0 74 mb This maximum allowable static pressure is the same for all model dryers and is calculated...

Страница 24: ...ADC Part No 450370 2 04 10 15 ...

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