Pitco Frialator L22-345 manual Relay Board, Computer Control

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Relay Board

Pitco Solstice and Solstice Supreme High Efficiency Gas Fryers

Relay Board

NOTE: J connectors are marked on the relay board.

With 24 VAC supplied to pin #2 at connector J35 and a good F1 fuse, the relay board has a 24 VAC output at pin #2 on connectors J33 and J34 and the AC indicator is illuminated.

NOTE: If the fryer is equipped with a computer or solid state digital, at connection J33 there is a jumper from pin #2 to pin #10 to supply 24 VAC to pin # 2 at connection J31 to supply the controller with 24 VAC.

When the board receives a 24 VDC SO input at pin #7 on connector J31 or J33, the SO indicator is illuminated, the SO relay is energized, and there is a 24 VAC output at pin #4 on connector J32.

When the board receives a 24 VDC HD input at pin #6 on connector J31 or J33, the HD relay is energized and there is continuity between pin #1 and pin #2 at connector J32. The HD indicator is illuminated from the 24 VAC output from the HD relay NO contact.

NOTE: The HD indicator does not illuminate if there is not a 24 VAC output from the MV terminal on the ignition module.

Computer Control

NOTE: All controller test points are at connector P/J1 (closest connector to the controller).

With 24 VAC supplied to pin #1(24 VAC supply) and pin #5 (24 VAC input from DVI), the display reads “OFF”.

With the controller is turned on, there is a 24 VDC output at pin #9 (SO).

When the controller calls for heat, there is a 24 VDC output at pin #8 (HD) and a 24 VAC input at pin #6 (HFB). If the controller does not receive the 24 VAC input at pin #6 in approximately 90 seconds, the controller displays “HEAT FAIL” or “IGNITION FAILURE”. This indicates a break in the HD or HFB circuit.

To correct, do the following:

1.Check the hi-limit switch. Is it open or tripped?

2.Check the ignition module (sensing pilot flame, locked out, 24 VAC at MV terminal).

3.Check the HD relay on the relay board. Is the HD relay energized continuity through COM and NO contacts?

If display reads “PROBE OP” “OPEN”, Ω test the temperature probe. Check the wires and connectors between the probe and controller for continuity.

If display reads “SYSTEM” ‘FAILURE”, Ω test the temperature probe, and the wires and connectors between the probe and controller for a short.

If display reads “DRAINING” “TURN OFF”, verify that the drain valve is closed, check the proximity switch on the drain valve, turn the fryer off, and then turn the fryer on.

SG/SSH Series Service Manual

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Contents High Efficiency Gas Fryers SG/SSH Series Solstice Service ManualL22-345R0 SHIPPING ADDRESS NoticeMAILING ADDRESS EQUIPMENT REFERENECE INFORMATION24V Model Table of ContentsTheory of Operation mV Model Troubleshooting and Problem IsolationFilter System Wiring Diagrams Simplified Wiring DiagramsTheory of Operation Fryer Components Operation Heating SystemFilter System Safety SystemOptional Basket Lift Controller Operational Modes Serial Numbers 24V Model 1. Press off button on control panel Accessing Fryer for Servicing4. Unplug all power cords 2. Slide button to solid stateCleaning the Gas Valve Vent Tube Checking the Burner Manifold Gas Pressure Taking a Supply Gas Pressure ReadingSupply Pressure Table Removing Solid State Thermostat If Necessary Taking a Manifold Gas Pressure Reading Adjusting Pilot Pressure Adjusting Manifold Gas PressureManifold Gas Pressure Table 3.Rotate the knob to point at actual temperature Calibrating Solid State Thermostat2.With a 5/16 inch socket, loosen the collet 4.Tighten collet and replace knob capReplacing the Controllers and Wiring Harness Removing the Controller Front Panel BezelRemoving the Solid State Wiring Harness 6. Remove the controller wiring harness Replacing the Relay Board and Paper Replacing the Ignition Module Replacing the Spinal Tap 8. Disconnect the connection from the valve Side View of Plugs Top View of PlugsReplacing an Igniter/Pilot Assembly 10. Remove the burner Replacing the Self‐Cleaning Burner Solenoid Replacing the Gas Valve SG/SSH Series Service Manual Replacing the Transformer Box 9.Remove the transformer Replacing the DVI Switch Replacing the Burner Assembly Replacing the Burners11. Remove the SCB runner tube Replacing the Burner Assembly SG/SSH Series Service Manual Replacing the Frypot NOTE: For SSH models only7. Remove the flange elbow 14. Remove the splash back by lifting up NOTE: Lifting the tank requires two 2 technicians Removing the Basket Lift Cover Replacing the Basket Lift ComponentsReplacing the Transformer Replacing the Basket Lift Driver Board Adjusting the Magnetic Sensor Replacing the Basket Lift Actuator5.Remove the top retaining bushing by unscrewing 8. Rotate up the actuator collar 9. Remove the actuator collarGas Conversion mV Model Taking an Incoming Supply Gas Pressure Reading Supply Pressure Table Taking a Manifold Gas Pressure Reading7 to 4. When adjustment is complete Taking a Millivolt Reading Adjusting the ThermopileMeasuring Thermopile Thermopile mV TableReplacing the Thermostat Hi-Limit Thermostat10. Remove and replace the temperature bulb 9. Apply Teflon paste to the fitting11. Finger tighten the fitting Calibrating the Thermostat NOTESReplacing the Hi‐Limit Thermostat Filter System Replacing the Return Valve Replacing the Flush Hose Assembly and Valve 11. Remove the nut using a 7/16 inch wrench 8. Slide the bracket to the back of the assembly9. Lift bracket out and slide forward 12. Remove the handle 14. Remove the piping using a 15/16 inch wrenchon the valve and an adjustable wrench on the pipingReplacing the Heat Tape 1. Disconnect plug from pump boxReplacing the Waste Oil and Components Removing Rear Mounting BracketRemoving the Check Valve 4. Remove the valve lever 7.Remove the valve using two adjustable wrenches6. Lift off the mounting bracket Replacing the Filter Pump and Motor Removing the Filter Pump and Motor8. Remove the bracket Replacing Seal Kit Removing the Filter Pump from the Motor Replacing the Return Switch 11. Pull the red return handle out of the fryer 2. Lift off the drain manifold clamp Replacing the Drain Line or Gasket3. Slide off the drain manifold gasket 4.Slide out the drain lineReplacing the Pump Relay and Circuit Breaker Replacing the Circuit BreakerReplacing the Pump Relay Troubleshooting and Problem Isolation Troubleshooting and Problem Isolation Interpretation of Solid State Controller LightsSolid State Thermostat Field Calibration Probe Component TroubleshootingRoll Out Switch Gas ValveTransformer Drain Valve and Return Valve SwitchesIgnition Module Relay Board Computer ControlDigital Solid State Control Primary Solid State ControlBackup Solid State Control Probe Resistance Chart Gas Type Orifice Size ChartModel Main BurnerOrifice Size at Sea Level Chart Orifice Size Required at Other ElevationsWiring Diagrams Simplified Wiring Diagrams Wiring Diagram – Full Vat with SCBWiring Diagram - Twin Vat with SCB Wiring Diagram – Basket Lifts Wiring Diagram – Filter Motor 115V‐60Hz Wiring Diagrams – Filter Motor 208‐240V Notes SG/SSH Series Service Manual L22-345R0
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