Vulcan-Hart GRC35 Service Manual download pdf (Page 45)

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F-25114 Rev.A (07-03)

GR SERIES GAS FRYERS - TROUBLESHOOTING

SOLID STATE OR COMPUTER CONTROL HARNESS PIN-OUTS

INTERFACE CONTROL BOARD PIN-OUTS

FRYMATE (DUMP STATION) WITH OPTIONAL HEATER

SYMPTOM POSSIBLE CAUSES

No heat. 1. Unplugged.

2. Power switch off or inoperative.

3. Main circuit breaker off or open.

4. Malfunctioning heat assembly.

PIN NO. INPUTS PIN NO. OUTPUTS

P1 24VDC Left Basket Lift P6 Heat Demand Triac (24VAC)

P2 24VDC Right Basket Lift P7 System Ground

P3 24VDC Heat Demand Control P8 24VAC Left Basket Lift

P4 Control Common (-) P9 24VAC Right Basket Lift

P5 Heat Demand Triac (24VAC) — —

P10 Relay Contacts (24VAC)

——

NOTES: 1. Relays connected internally. 2. To “TH” Terminal on gas valve (main). 3. To basket lift relay coils.

PIN NO. INPUTS PIN NO. OUTPUTS

E1-1 24VAC Hot E1-8 24VDC (+) Heat Demand

E1-2 24VAC Neutral

E1-9 Not used at this time

E1-3 Probe High (red) E1-10 24VDC (+) Left Basket Lift

E1-4 Probe Low (white) E1-11 24VDC (+) Right Basket Lift

E1-5 Drain Valve Interlock (24VAC) N.O. E1-12 No connection

E1-6 Ignition Status (24VAC) — —

E1-7 Relay DC (-) Common — —

NOTES: 1. Connected to ground internally. 2. Available for external buzzer output (24VDC). 3. Outputs to

Interface Control Board.

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Vulcan-Hart GRC35 Service Manual Page 45