Interface Board - Frymaster BIH52 Series Service Manual

J2
12 VAC TO CPTR
J3 PIN 1
1
GROUND GROUND
2
COMPUTER (12 VAC)
J3 PIN 3
3
COMPUTER RT HT RELAY
4
COMPUTER 12 VDC TO RELAYS
5
COMPUTER LT HT RELAY
6
NOT USED NOT USED
7
NOT USED NOT USED
8
NOT USED NOT USED
9
**
ALR (RIGHT)
RT ALARM OUT
10
COMPUTER SOUND DEVICE
11
*
LT ALARM OUT AD (LEFT)
12
COMPUTER J3 PIN 6
13
COMPUTER J1 PIN 2 & J3 PIN 2
14
COMPUTER J1 PIN 6
15
J1
NOT USED NOT USED
1
TEMP PROBE J2 PIN 14
2
NOT USED NOT USED
3
NOT USED
NOT USED
4
NOT USED NOT USED
5
TEMP PROBE J2 PIN 15
6
NOT USED NOT USED
7
PWR via LT HT RELAY
24 VAC IN
8
V2D
MAIN GAS VALVE
9
via HLS
NOT USED
NOT USED
10
NOT USED NOT USED
11
NOT USED NOT USED
12
MOD 25V GROUND GROUND
GND
MOD V2D J1 PIN 9
V2D
MOD 25V TERM J1 PIN 8 via LT HT RELAY
PWR
DRAIN SWITCH (OPT) J2 PIN 12
AD
NOT USED NOT USED
AS
NOT USED NOT USED
V2S
LEFT VAT
CURRENT FLOW THROUGH
INTERFACE BOARDS 806-3398 AND 106-0386

INTERFACE BOARD

*
** Dual Vat configurations
** Full Vat configurations
J2 PIN 1
J2 PIN 14
J2 PIN 3
NOT USED
J2 PIN 5
J2 PIN 13
NOT USED
PWR via RT HT RELAY
V1S OR V1D
NOT USED
BLOWER via K4 (old)
or K2/K3 (new)
BLOWER
GROUND
J3 PIN 9
J3 PIN 8 via RT HT RELAY
J2 PIN 10
J3 PIN 9
FULL OR RIGHT VAT
(H52 APPLICATION)
3-4
J3
12 VAC XFMR
1
TEMP PROBE
2
12 VAC XFMR
3
NOT USED
4
HOOD RELAY
5
TEMP PROBE
6
NOT USED
7
24 VAC IN
8
MAIN GAS VALVE via
HIGH LIMIT
9
via HLS
NOT USED
10
120 VAC IN
11
BLOWER FAN
AND XFMR BOX
12
MOD 25V GROUND
GND
MOD VALVE used on
Dual Vat Only
V1D
MOD 25V TERM
PWR
MOD ALARM
ALR
MOD VALVE
V1S