Main
Retain This Manual In A Safe Place For Future Reference
Important
AD-170
Page
FOR YOUR SAFETY
IMPORTANT
Table of Contents
SECTION I
SECTION II
SECTION III
SECTION IV
SECTION V
SECTION VI
SECTION VII
SECTION VIII
SECTION I
Important Information
A. Safety Precautions
A. Cleaning
SECTION II
Routine Maintenance
5
WARNING: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD.
B. Adjustments
C. Lubrication
A. Enclosure, Air Supply, and Exhaust Requirements
SECTION III
Installation Requirements
B. Electrical and Gas Requirements
C. Operational Service Check Procedure
B. Control Box
C. DSI Module (Gas Models Only)
SECTION IV
Description of Parts
A. Computer Panel Assembly
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H. Idler Assembly
I. Tumbler Bearing and Pulley Arrangement
J. Basket (Tumbler)
L. Sail Switch (Gas Models ONLY)
K. Main Door Switch
M. Hi-Limit (Gas Models Only)
O. Lint Drawer
N. Automatic Reset Thermostat
P. Lint Drawer Switch
Q. Steam Damper System
SECTION V
Servicing
Introduction
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A. Computer Controls To Replace Computer
To Replace Keyboard Label Assembly
15
To Replace Microprocessor Temperature Sensor Probe
NOTE: DO NOT remove screws.
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To Replace Gas Valve (see burner illustration on page 16)
To Replace Main Burner Orifices
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To Test and Adjust Gas (Water Column) Pressure
NOTE: Manometers are available from the factory by ordering ADC P/N 122804
To Convert from Natural Gas to L.P. Gas
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To Replace Burner Tubes
21
To Replace DSI Module
C. Thermostats To Replace Burner Hi-Limit Thermostat (Gas Models Only)
IMPORTANT: Under no circumstances should heat circuit safety devices ever be disabled.
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To Replace Lint Compartment Hi-Heat Protector (225 Degree) Thermostat
IMPORTANT: Under no circumstances should heat safety devices be disabled.
NOTE: DO NOT remove the screws.
D. Sail Switch Assembly (Gas Models Only)
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To Replace Sail Switch
To Adjust Sail Switch
E. Front Panel and Main Door Assemblies To Replace Main Door Switch
To Replace Main Door Assembly
To Install New Main Door Glass
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To Replace Front Panel
To Replace Main Door Hinge Pad
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F. Pulleys To Replace Tumbler Pulley
To Replace Small Idler Pulley
To Replace Large Idler Pulley
To Replace Motor Pulley
G. Basket Assembly Basket Alignment (Vertical) (Up and Down Adjustment)
Basket Alignment (Lateral) (Side to Side Adjustment)
To Replace Tumbler (Basket) or Tumbler (Basket) Support
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IMPORTANT: Never strike the shaft directly with a hammer.
To Replace Front Basket Support Pillow Block Bearing
To Replace Front Idler Shaft Pillow Block Bearing
To Replace Rear Idler Shaft Pillow Block Bearing
I. V-Belts (See illustrations in section F "Pulleys")
V-Belt Tension Adjustment (Basket to Idler)
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V-Belt Tension Adjustment (Motor to Idler)
NOTE: Always replace V-belts in pairs.
To Replace V-Belts
J. Motors To Replace Drive Motor
To Replace Impellor Motor (Fan Shaft Drive - Steam Models 50 & 60 Hz and 50 Hz Gas Models ONLY)
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1. No display on computer.
2. Computer will not accept key pad entries.
SECTION VI
Troubleshooting
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6. Dryer operates, probe sparks, but gas does not flow.
7. Dryer operates, probe sparks but there is no ignition even though gas is evident.
8. Dryer operates but is taking too long to dry.
9. Thermal overload for drive motor is tripping.
10. Overload for impellor (fan) motor is tripping.
11. Dryer is cycling on burner hi-limit safety thermostat.
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SECTION VII
Electrical Trouble Shooting
A. Phase 5 OPL System Diagnostics
Diagnostic (LED Display) Failure Codes
Phase 5 OPL Microprocessor Controller Relay Output LED Indicators
B. LED Display Indicators
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Page
C. LED Display/Codes
LED Display Codes
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Fault Codes
D. Computer Logic and Wiring Diagram
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1. No Display Condition
2. Drive motor reverses but does not go forward, blower motor runs.
3. Drive motor works in forward mode but does not reverse, blower motor runs.
4. Blower motor does not operate, drive motor runs.
5. "No Heat" drive & blower motors run, display reads normal (Gas Models).
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6. "No Heat" drive and blower motors run, display reads normal (Steam Models).
7. "Door" condition
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8. Microprocessor reads "DSFL"
NOTE: Before continuing with this section check the .125 MA fuse on the computer board.
SECTION VIII
Technical Information
A. Motor Plate (High and Low Voltage)
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58
HOW TO USE A MANOMETER
NOTE: Place manometer in a position so that readings can be taken at eye level.
C. Using a Manometer
D. AD-170SE Tool List