Cleveland steamcraft 21-CET-8 Service Manual page 7

Page iv Model 21-CET-8 Service Manual
CHAPTER
CHAPTER 5. ELECTRICAL SYSTEM (continued)
High Temperature Limit Switch (1, Figure 6-9)..................................................................75
Float Assembly (Figure 6-10).......................................................................................75
COMPONENT TESTING GUIDE INTRODUCTION....................................................................77
Nominal Voltage......................................................................................................77
FUNDAMENTAL COMPONENT TESTING..............................................................................77
Visual Check..........................................................................................................77
Fuses....................................................................................................................78
Connection Points and Wiring......................................................................................78
Solenoid Valves......................................................................................................78
Timers..................................................................................................................79
Thermostatic Snap Switches........................................................................................79
Heater Element........................................................................................................80
Resistance Measurements............................................................................................80
Insulation Resistance Measurements...............................................................................80
Voltage Measurements...............................................................................................80
COMPONENT TEST PROCEDURES.......................................................................................81
Initial Conditions For All Testing...................................................................................81
Fuses.....................................................................................................................81
Transformer............................................................................................................82
ON/OFF Switch.......................................................................................................83
Relay K1...............................................................................................................83
Fill Solenoid Valve...................................................................................................84
3-Minute Timer.......................................................................................................85
Drain Solenoid Valve................................................................................................86
Rinse Solenoid Valve................................................................................................87
Condenser Solenoid Valve..........................................................................................88
TIMED/MANUAL Switch..........................................................................................89
High Temperature Limit Switch....................................................................................90
Electronic Key Pad Timer...........................................................................................90
Compartment Thermal Switch (Key Pad Timer Units Only)...................................................92
Mechanical Timer.....................................................................................................93
Heater Contactor......................................................................................................93
Heater and Dryer Elements..........................................................................................95
Float Assembly........................................................................................................96
3-Second Timer and Buzzer (Mechanical Timer Units Only)..................................................99
Printed 12/90
Table of Contents (continued)
Mechanical Timer (3, Figure 6-6)........................................................................75
3-Second Timer and Buzzer (Mechanical Timer Units Only)(11, 15, Figure 6-6)................75
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