Solid State Or Computer Control Harness Pin-Outs; Interface Control Board Pin-Outs; Frymate (Dump Station) With Optional Heater - Vulcan-Hart GRC35 Service Manual

GR SERIES GAS FRYERS - TROUBLESHOOTING

SOLID STATE OR COMPUTER CONTROL HARNESS PIN-OUTS

PIN NO.
E1-1
E1-2
E1-3
E1-4
E1-5 Drain Valve Interlock (24VAC) N.O.
E1-6 Ignition Status (24VAC)
E1-7 Relay DC (-) Common
NOTES: 1. Connected to ground internally.
Interface Control Board.
PIN NO.
P1 24VDC Left Basket Lift
P2 24VDC Right Basket Lift
P3 24VDC Heat Demand Control
P4
P5 Heat Demand Triac (24VAC)
P10 Relay Contacts (24VAC)
NOTES: 1. Relays connected internally.

FRYMATE (DUMP STATION) WITH OPTIONAL HEATER

SYMPTOM
No heat.
INPUTS
24VAC Hot
24VAC Neutral
1
Probe High (red)
Probe Low (white)
2. Available for external buzzer output (24VDC).

INTERFACE CONTROL BOARD PIN-OUTS

INPUTS
Control Common (-)
1
2. To "TH" Terminal on gas valve (main). 3. To basket lift relay coils.
PIN NO.
E1-8
E1-9
E1-10
E1-11
E1-12
—
—
PIN NO.
P6
P7
P8
P9
—
—
POSSIBLE CAUSES
1. Unplugged.
2. Power switch off or inoperative.
3. Main circuit breaker off or open.
4. Malfunctioning heat assembly.
– 45 –
OUTPUTS
3
24VDC (+) Heat Demand
Not used at this time
2
24VDC (+) Left Basket Lift
24VDC (+) Right Basket Lift
No connection
—
—
3. Outputs to
OUTPUTS
3
Heat Demand Triac (24VAC)
System Ground
24VAC Left Basket Lift
24VAC Right Basket Lift
—
—
F-25114 Rev.A (07-03)
2
3
3