American Dryer Corp MDG-75 manual

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2. Hot Surface Ignition (HSI) System (for Gas Models Only)

a. Upon completing installation of the replacement Hot Surface Ignition (HSI) module, reestablish power to the dryer.

b. The Hot Surface Ignition (HSI) module's "red" indicator light will light up for approximately 5- seconds (self check routine).

If the Hot Surface Ignition (HSI) module's "red" indicator light stays on or flashes continuously, then the HSI module is wired incorrectly or has failed.

c. Start the drying cycle.

d.The hot surface ignitor will turn on. After approximately 4 seconds the Glo Bar will shut off and the gas valve will be energized. The flame should now be established.

e.With the burner flame on, remove the flame sensor wire from the S2 terminal of the HSI module. The burner flame must shut off immediately.

f.Stop the drying cycle, with the flame sensor wire still removed, restart the drying cycle.

g.The hot surface ignitor will turn on and after approximately 4-seconds the hot surface ignitor will shut off. The gas valve will be energized and a burner flame should be evident for approximately 7-seconds and then shut off.

h.The Hot Surface Ignition (HSI) module will attempt two (2) additional ignition trials after which the HSI module will lock out and the "red" indicator light will flash continuously.

i.Functional check of the Hot Surface Ignition (HSI) Module is complete.

1)Replace the flame sensor wire from the S2 terminal to the HSI module.

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Contents MDG-75 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement Section Important InformationSafety Precautions What to do if YOU Smell GASPage SPECIFICATIONS/COMPONENT Identification SpecificationsSpecifications Component Identification Dryer Rear View Illus. No Installation Procedures Location RequirementsUNPACKING/SETTING UP Dryer Enclosure Requirements Fresh AIR Supply Exhaust Requirements Not be Reduced Anywhere Down Stream of the Dryer Page Page Electrical Information MDG-75 GAS Page 3+$6 ‘ /&75,&$/&211&7,216/$6 Page Page GAS Information 48, 3523$1 Page Page Preparation for OPERATION/START-UP Preoperational Tests Gas DryersPage Preoperational Instructions Shut Down Instructions Parts SERVICE/PARTS InformationService Warranty Information Returning Warranty CardsRoutine Maintenance CleaningDays Adjustments Days After Installation and Every 6 Months ThereafterProcedure for Functional Check Replacement Components Page Page Reversing Timer Spin and Dwell Adjustments 1* /*1’Technical Information Data LabelApplicable Approval Seals Troubleshooting From the Machine Toallowaccess for CLEANING,ADJUSTING70 3$ Microprocessor Computer Models Blower and Fan motor is not operating does not start Loose connection in main door switch circuit Page GAS Models Failed microprocessor controller computer Dryer operates but is taking too long to dry Page AA. Condensation on main door glass Timer Models Blower/Fan motor is not operating does not start Page Dryer operates but is taking too long to dry Page Condensation on main door glass Page 01/07/998-50