Table Of Contents - Henny Penny 500 Service Manual

Table of Contents

Safety and Compliance................................................................................................ ix
Chapter 1 Troubleshooting..............................................................................................1
1.1 Introduction ...........................................................................................................1
1.2 Diagnostics............................................................................................................1
Chapter 2 Maintenance ................................................................................................13
2.1 Introduction .........................................................................................................13
2.2 Maintenance Hints ...............................................................................................13
2.3 Preventative Maintenance Schedule......................................................................13
2.4 Lower the Control.................................................................................................14
2.4.1 Raise the Control ...........................................................................................14
2.4.2 Replace the Control .......................................................................................14
2.4.3 Configure the Serial Number...........................................................................15
2.4.3.1 Verify the Serial Number .............................................................................15
2.4.3.2 Adding or Correcting a 9 Character Serial Number........................................16
2.4.3.3 Adding or Correcting a 7 Character Serial Number........................................17
2.5 Transformer Replacement ....................................................................................17
2.6 Temperature Probe Replacement ..........................................................................18
2.7 Temperature Regulation (Single Stage) .................................................................20
2.7.1 Front Panel Thermostat ..................................................................................20
2.7.2 Internal Operation ..........................................................................................20
2.7.3 Drain Microswitch ..........................................................................................21
2.7.4 High Limit Temperature Control.......................................................................21
2.8 Calibrating The Standard Single Stage Thermostat.................................................21
2.9 Testing The Thermostat ........................................................................................21
2.9.1 Procedure .....................................................................................................21
2.10 Thermostat Replacement....................................................................................22
2.11 High Temperature Limit Control ...........................................................................25
2.11.1 Description ..................................................................................................25
2.11.2 Checkout .....................................................................................................26
2.11.3 Replacement ...............................................................................................26
2.12 Heating Elements...............................................................................................28
2.12.1 Description ..................................................................................................28
2.12.2 Maintenance Hint .........................................................................................28
2.12.3 Checkout.....................................................................................................28
2.12.4 Replacement ...............................................................................................29
2.13 Heating Contactors ............................................................................................32
2.13.1 Description ..................................................................................................32
2.13.2 Checkout (Power Removed) .........................................................................32
2.13.3 Checkout (Power Supplied) ..........................................................................34
2.13.4 Replacement Square D ................................................................................35
2.13.5 Replacement Mercury ..................................................................................36
2.14 Electrical Components........................................................................................37
2.14.1 Drain Switch ................................................................................................37
2.14.1.1 Electric Models.........................................................................................37
2.14.2 Main Power Switch.......................................................................................38
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