Frymaster FBRA18 Series manual VAC Circuit in FBR18 Units

Page 42

THE 24 VAC CIRCUIT IN FBR18 UNITS

24V

TRANSFORMER

J3 PIN 8

LED 3 (24V)

RELAY K2 ON EARLY DESIGN BOARDS

OR

RELAY K3 ON LATER DESIGN BOARDS

LED 4 (PWR)

RIGHT PWR TERMINAL

J2 PIN 7

BLOWER

CENTRIFUGAL

SWITCH

RIGHT

IGNITION

MODULE

J2 PIN 5

V1S TERMINAL

LED 2 (PWR)

LEFT PWR TERMINAL

J2 PIN 2

LEFT

IGNITION

MODULE

J2 PIN 4

V2S TERMINAL

LED 5 (GV)

J3 PIN 9

GAS

VALVE

6-15

Image 42

Contents Hour Service Hotline Canada Page FBR18 & FBRA18 Series GAS Rethermalizers Table of Contents Parts List Parts Ordering and Service Information Safety InformationInstallation, Operating, and Service Personnel Equipment DescriptionDefinitions Shipping Damage Claim Procedure What to do if your equipment arrives damagedGeneral Installation Requirements Caster/Leg Installation Incoming Gas Pressures Connecting to the Gas Supply Converting to Another Gas Type Introduction FBR18/FBRA18 Digital ControllerOperating the FBR18/FBRA18 Timers Boiling-Out the Cookpot Shutting the Rethermalizer Down Daily Checks and Services Quarterly Checks and ServicesSemi-Annual Checks and Services Clean Combustion Air BlowerCheck Burner Manifold Pressure Burner Manifold Gas Pressures Introduction Troubleshooting Guides To FBRA18 units onlyProblem Yes Has the correct setpoint Yes Replacing the Controller or Controller Wiring Harness FBR18 & FBRA18 Series GAS Rethermalizers Service Procedures Functional DescriptionController and Mechanical Timers Temperature Probe Cleaning the Gas Valve Vent Tube Checking the Burner Manifold Gas PressureMeasuring Flame Current Replacing the Temperature Probe Replacing the Interface BoardReplacing an Ignitor Assembly Replacing an Ignition ModuleReplacing a Burner Assembly Replacing the Combustion Air BlowerReplacing the Gas Valve Troubleshooting and Problem Isolation Replacing the CookpotIgnition Failures Incoming Gas Pressures Improper Burner FunctioningPage Improper Temperature Control Troubleshooting the Gas Valve Troubleshooting the 24 VAC Circuit in FBR18 Units Unit is Connected to24 VAC Circuit in FBR18 Units Troubleshooting the 24 VAC Circuit in FBRA18 Units Is PowerIs 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 Wiring Diagram for FBR18 Units 8050417DFBRA18 Units FBR18 & FBRA18 Series GAS Rethermalizers Parts List Burner System ComponentsCabinetry 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