ADC ML-175, ML-190 service manual Table of Contents

Page 3

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/or specified in the installation manual included with the dryer.

CAUTION

Dryer(s) should never be left unattended while in operation.

“Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper operation.”

«Attention: Au moment de l’entretien des commandes, étiquetez tous les fils avant de les débrancher. Des erreurs de câblage peuvent entraîner un fonctionnement inadéquat et dangereux.»

WARNING

Children should not be allowed to play on or near the dryer(s). Children should be supervised if near dryer(s) in operation.

Under no circumstances should the dryer door switch(es), lint door/drawer switch(es), or heat safety circuit(s) ever be disabled.

The dryer must never be operated with any of the back guards, outer tops, or service panels removed. Personal injury or fire could result.

The dryer must never be operated without the lint filter/screen in place, even if an external lint collection system is used.

FOR YOUR SAFETY

Do not dry mop heads in the dryer. Do not use dryer in the presence of dry cleaning fumes.

The dryers must not be installed or stored in an area where it will be exposed to water and/or weather.

The wiring diagram for the dryer is located in the front electrical control box area.

Table of Contents ________

Important Information

4

Safety Precautions

4

Routine Maintenance

4

Cleaning

4

Adjustments

5

Lubrication

5

Installation Requirements

5

Enclosure, Air Supply,

 

and Exhaust Requirements

5

Electrical and Gas Requirements

6

Operational Service Check Procedure

6

Description of Parts

6

Servicing

10

Troubleshooting

20

Phase 6 OPL System Diagnostics

21

Diagnostic (L.E.D. Display) Failure Codes

21

L.E.D. Display Indicators

22

Phase 6 OPL Microprocessor Controller

 

(Computer) Relay Output L.E.D. Indicators

23

Phase 7 OPL System Diagnostics

24

Diagnostic (L.E.D. Display) Failure Codes

24

Technical Information

25

List of Acronyms _____________________

DSI

Direct Spark Ignition

HSI

Hot Surface Ignition

in wc

Inches of Water Column

L.E.D.

Light Emitting Diode

L.P.

Liquid Propane

OPL

On-Premise Laundry (Non-Coin)

OSHA

Occupational Safety and Health Administration

T.E.F.C.

Totally Enclosed, Fan-Cooled

450431 - 3

www.amdry.com

3

Image 3
Contents American Dryer Corporation ML-175 / ML-190Date of Purchase Model no RESELLER’S Name Serial Numbers Retain This Manual in a Safe Place for Future ReferenceTable of Contents Important Information Routine MaintenanceSafety Precautions CleaningInstallation Requirements Electrical and Gas Requirements Operational Service Check ProcedureDescription of Parts Compressed Air RequirementsSteam Coil pH Level Gas Burner AssemblyReversing Relay Panel Steam Coil and Damper SystemDrive Shaft Idler Shaft AssemblyRotational Sensor Assembly Speed Reducing ShaftTumbler Hi-Limit Main Door SwitchSail Switch Gas Models Only Burner Hi-Limit Gas Models OnlyLint Drawer Switch Computer Controls Lint DrawerIntroduction Ignition Controls Page Thermostats To Convert from Natural Gas to L.P. GasTo Replace Burner Hi-Limit Thermostat Gas Models Only Front Panel and Main Door Assemblies Sail Switch Assembly Gas Models OnlyTo Replace Drive Shaft Pulleys To Install New Main Door GlassPulleys To Replace Front PanelTo Replace Drive/Idler Shaft Pillow Block Bearings Tumbler AlignmentBearings To Replace Motor PulleyRotational Sensor Switch Replacement To Replace Speed Reducing Shaft BearingsTo Replace Rear Tumbler Shaft Support Wheels Basket and Support BeltsMotors To Replace Lint Screen Lint Drawer AssemblyImpellor To Replace Fan Shaft and/or Fan Shaft BearingsTroubleshooting Overload for impellor fan motor is tripping Phase 6 OPL System DiagnosticsDiagnostic L.E.D. Display Failure Codes Burner hi-limit safety thermostat is trippingD. Display Indicator Number D. Display IndicatorsFuse Main Fuse Input L.E.D. Indicator FAN Blower Output L.E.D. IndicatorAIR AIR JET Output L.E.D. Indicator Optional HT1 Heat Output L.E.D. IndicatorPhase 7 OPL System Diagnostics Example Input / Output Board L.E.D. IndicatorsTechnical Information Motor Plate High and Low VoltageTool List Using a ManometerHow To Use a Manometer Data Label450431 ADC Part No 3 06/17/08