Frymaster H55 Series Technical Reference Manual page 123

FIB (Filter Interface Board) Filtration and Top-off Pin Positions and Harnesses
NOTE: DO NOT CHECK WITH HARNESSES UNPLUGGED AS SHORTING THE PINS MAY OCCUR WHICH WILL DAMAGE THE
BOARD.
Connec
tor From/To
Input from Power Supply
JIB Reset Switch
Filter Pump Relay
Pan Switch
ATO Pump Relay
Input from
24VAC Transformer
J1
To RTI JIB Add Solenoid
RTI connector rear of fryer
Waste Closed Switch
Waste Open Switch
Filter Pump Relay Contact Signal
When Pump Is On
24VDC Power Output from FIB to
J2 Far-Right VIB Board
(RJ45)
C-Bus from Far-Right SIB Board
J3
(RJ11)
C-Bus or
J4 Network Resistor
(pins 2 & 3) (RJ11)
Touchscreen-Equipped Fryers
Harness Pin
# #
1 Ground -
2 24VDC Input
3 Ground -
4 24VDC Input
5 Ground -
6 JIB Low Reset
9 Pump Motor +
10 Pump Motor -
13 Pan Sw Ground -
14 Pan Sw +
15 Pump Relay Ground -
16 ATO Pump Relay
17 24VAC
18 24VAC Ret
19 24VAC
8076240
20 24VAC Ret
From RTI transformer (1 on
21 Hirschman)
Common (Ret)
22 (4 on Hirschman)
To RTI Fresh Oil Relay (3 on
23 Hirschman)
From RTI "Waste Tank Full
Sensor" Test Pins 22 to 24 (1 to 4
24 on Hirschman)
25 Closed Switch +
26 Closed Switch Ground -
27 Open Switch +
28 Open Switch Ground -
29 Filter Pump On Contact
30 Filter Pump On Contact
1 Ground
2 Ground
3 Ground
4 Ground
8075810
5 Power
6 Power
7 Power
8 Power
1 5VDC
2 CAN High
8075551
3 CAN Low
4 Ground
1 5VDC+
2 CAN High
(8075632
resistor)
3 CAN Low
4 Ground
5-20
Function Voltage
+24VDC
+24VDC
3.3VDC
24VDC
3.3VDC
24VDC
24VAC
24VAC
24VAC
24VAC
24VAC –Full
0VAC – Not Full
3.3VDC
3.3VDC
+24VDC
+24VDC
+24VDC
+24VDC
+5VDC
+5VDC
Wire
Color
Brown
Purple
Brown
Purple
Black
Red
Purple
Brown
Red
Red
Purple
Brown
Orange
Blue
Black
Black
Orange
Blue
Orange
Orange
Black
Black
Black
Black