Frymaster FBRA18 Series manual 24VAC Circuit in FBRA18 Units

Page 47

THE 24VAC CIRCUIT IN FBRA18 UNITS

CONTROLLER

24V

TRANSFORMER

 

 

 

 

 

 

12VDC

 

 

 

 

 

 

 

LATCH

 

RELAY

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

J2 PIN 2

J1 PIN 5

WATER

WATER

RELAY

K2

J1 PIN 3

LED POWER

INTERFACE BOARD

LOGIC CIRCUITRY

LED

LED CYCLE

J2 PIN 3

CYCLE

RELAY

K1

J2 PIN 1

INTERFACE BOARD

J2 PIN 4

WATER

SOLENOID

VALVE

BLOWER

CENTRIFUGAL

SWITCH

RIGHT

IGNITION

MODULE

WIRING HARNESS PIN 5

WIRING HARNESS PIN 2

LEFT

IGNITION

MODULE

WIRING HARNESS PIN 4

GAS

VALVE

6-20

Image 47
Contents Hour Service Hotline Canada Page FBR18 & FBRA18 Series GAS Rethermalizers Table of Contents Parts List Safety Information Parts Ordering and Service InformationDefinitions Installation, Operating, and Service PersonnelEquipment Description What to do if your equipment arrives damaged Shipping Damage Claim ProcedureGeneral Installation Requirements Caster/Leg Installation Incoming Gas Pressures Connecting to the Gas Supply Converting to Another Gas Type FBR18/FBRA18 Digital Controller IntroductionOperating the FBR18/FBRA18 Timers Boiling-Out the Cookpot Shutting the Rethermalizer Down Quarterly Checks and Services Daily Checks and ServicesClean Combustion Air Blower Semi-Annual Checks and ServicesCheck Burner Manifold Pressure Burner Manifold Gas Pressures Introduction To FBRA18 units only Troubleshooting GuidesProblem Yes Has the correct setpoint Yes Replacing the Controller or Controller Wiring Harness Functional Description FBR18 & FBRA18 Series GAS Rethermalizers Service ProceduresController and Mechanical Timers Temperature Probe Measuring Flame Current Cleaning the Gas Valve Vent TubeChecking the Burner Manifold Gas Pressure Replacing the Interface Board Replacing the Temperature ProbeReplacing an Ignition Module Replacing an Ignitor AssemblyReplacing the Gas Valve Replacing a Burner AssemblyReplacing the Combustion Air Blower Replacing the Cookpot Troubleshooting and Problem IsolationIgnition Failures Improper Burner Functioning Incoming Gas PressuresPage Improper Temperature Control Troubleshooting the Gas Valve Unit is Connected to Troubleshooting the 24 VAC Circuit in FBR18 Units24 VAC Circuit in FBR18 Units Is Power Troubleshooting the 24 VAC Circuit in FBRA18 UnitsIs 24VAC Present on COM No terminal of latch Relay? Harness Is J1 pin 24VAC Circuit in FBRA18 Units Troubleshooting the Temperature Probe Probe Resistance Chart 8050417D Wiring Diagram for FBR18 UnitsFBRA18 Units Burner System Components FBR18 & FBRA18 Series GAS Rethermalizers Parts ListCabinetry and Associated Components Control Box Assembly and Associated Parts, FBR18/ FBRA18 Controller and Component Box Assemblies Cooking Timer Control Panel Components Cookpot, FBR18 Cookpot, FBRA18 Gas Supply Components Plumbing Components Page Service Hotline