ADC AD-464 service manual

Page 54

4.Under Voltage Disconnect

The dryer uses a 110 VAC under voltage disconnect. This 110 VAC is supplied from the sprinkler circuit. The sprinkler circuit is part of the safety circuit of the dryer. If the sprinkler circuit is in an alarm condition, the 110 VAC supply to the under voltage disconnect will become discontinued, shutting down the dryer.

NOTE: For steam models that do not have the sprinkler option skip Step #4.

a.Under Voltage Disconnect Replacement

1)Discontinue electrical service to the dryer.

2)Mark and remove wires from L1, L2, and L3.

3)Mark and remove wires from L4, L5, and L6.

4)Mark and remove wires from L and N.

5)Loosen and remove the door handle extension from the under voltage disconnect.

6)Remove the two (2) #8-32 x 2" Phillips round head machine screws.

7)To install new under voltage disconnect, reverse Step #6 thru Step #2.

8)Reestablish electrical service to the dryer.

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Contents American Dryer Corporation Retain This Manual In a Safe Place For Future Reference Important Note to PurchaserFor Your Safety Page Table of Contents Section Pendant Assembly Section Sprinkler SystemSection AIR JET System Safety Precautions Explosion could ResultStandards National Electric Code ANSI/NFPA no -LATEST EditionRoutine Maintenance CleaningLiquids Monthly Lubrication Adjustments Days After Installation and Every 6 Months ThereafterSpecifications GAS Models ADG-464Steam Models ADS-464 Electrical Service Specifications ADG-464 GASInstallation Requirements Enclosure / AIR Supply / Exhaust RequirementsOperational Service Check Procedure Electrical Requirements and GAS RequirementsComponent DESCRIPTION/REPLACEMENT Tumbler Support and Drive SystemPage Main AIR BLOWER/HEAT Reclaimer System +Z=X Filter element can be cleaned with soap and water Compressed AIR SystemPage Page Page Safety Devices Safety Devices Locations/Functions/Messages Blower Squirrel Cage Fan Motor Assembly Pulley Removal Page Freely Important do not Overtighten V-BELTSImportant do not Overtighten V-BELTS Blower Squirrel Cage Fan Electrical Components Page Tumbler Basket System Page Page Important do not Overtighten Turnbuckle Important do not Overtighten Turnbuckle Result in Damage to the Dryer and will Void the Warranty Important do not Overtighten Bolts Page Rotational Sensor Assembly Current Limiting Device is RequiredPage TOP of Tumbler Basket Temperature Door Assembly Tumbler Basket Electrical Components Page PLC Programmable Logic Controller System PLC Programmable Logic Controller DescriptionPage Page 111 PLC Programmable Logic Controller Component Replacement Page Page RTD Page Switch #1 Recycling Mode Page Page Page Combustion Air Damper Page Page Page Burner Air Switch Page Page Page Page Page Page Heat Reclaimer Settings Page Page Important Allow a full 72 hours for the silicone to cure Page Page Page Page Lint DRAWER/LINT Chamber Switches Base SectionPage Page Resistive Temperature Device RTD RTD Resistive Temperature Device Locations Sprinkler System Sprinkler System DescriptionPage MAN3190 Page AIR JET System AIR JET SystemStack Valve Assembly Pneumatic ValveImportant Take Notice ... small components Page MAN4223 Internal Pilot and External Pilot Air Supply Pendant Assembly Pendant Assembly DescriptionADC450186 05/27/99-25 01/14/00-15