1-37
1.10 Principal Wiring Connections
GROUND
LINE VOLTAGE L1
GROUND, JUMPERED FROM PIN 2
GROUND, JUMPERED TO PIN 11
JUMPERED FROM PIN 4
JUMPERED TO PIN 7
JUMPERED TO PIN 6
JUMPERED TO PIN 9 AND T2
FROM T1, JUMPERED TO PIN 8
FROM J1 PIN 10
FROM J3 PIN 7
FROM J3 PIN 10
FROM J1 PIN 7
FROM T2, JUMPERED TO PINS 3 & 9
LINE VOLTAGE COM TO FILTER BOX

C3

1
2
3
4
5
6
7
8
9

C2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ORANGE
BLUE
WHITE
GREEN
BLACK
TO OIL RETURN SWITCHES OF ADJACENT FRYERS
JUMPERED FROM PIN 3
JUMPERED FROM PIN 5
JUMPERED FROM PIN 1
BLUE
ORANGE

C5

1
2
C1 PIN 3
J3 PIN 12 BLOWER
TO OIL RETURN SWITCHES OF ADJACENT FRYERS
WHITE & BLACK
RED
OIL RETURN SWITCH
12
11
10
9
8
7
6
5
4
3
2
1
J3 PIN 1 COMPUTER (12VAC)

J2

GROUND
J3 PIN 3 COMPUTER (12VAC)
GROUND
RT HEAT RELAY (K2)
RELAYS (12VDC) & J3 PIN 5
COMPUTER
COMPUTER
LT HEAT RELAY (K1)
COMPUTER
K5
COMPUTER
K3
COMPUTER
RIGHT ALARM OUT (FULL VAT)
ALR (RIGHT)
13
14
15
SOUND DEVICE
COMPUTER
LEFT ALARM OUT (DUAL VAT)
AD (LEFT)
J3 PIN 6 COMPUTER
COMPUTER
J1 PIN 2 & J3 PIN 2
J1 PIN 6 COMPUTER
C1 PIN 4 (24VAC)
12
11
10
9
8
7
6
5
4
3
2
1
V2D
K3 C2 PIN 13 (BL DOWN)
GAS VALVE

J1

PROBE J2 PIN 14
K3 C2 PIN 10 (BL UP)
C1 PIN 4 (24VAC)
12
11
10
9
8
7
6
5
4
3
2
1
J2 PIN 13
PWR VIA K2
V1S OR V1D
K5 C2 PIN 15 (BL DOWN)
GAS VALVE
C1 PIN 1 (L1) BLOWER VIA K4
PROBE

J3

C1 PIN 6 (12VAC) J2 PIN 1
K5 C2 PIN 14 (BL UP)
PROBE J2 PIN 14
FROM TO FROM TO FROM TO
C1 PIN 5 (12VAC) J2 PIN 3
GND
V2D
PWR
AD
AS
V2S
GROUND GROUND
MODULE VALVE 1 J1 PIN 9
J1 PIN 8 VIA K1 MODULE 25V
OPTIONAL DRAIN SWITCH J2 PIN 12
GND
V1D
PWR
ALR
V1S
GROUND GROUND
MODULE VALVE 1 (DUAL VAT) J3 PIN 9
J3 PIN 8 VIA K2 MODULE 25V
OPTIONAL DRAIN SWITCH J2 PIN 10
MODULE VALVE 1 (FULL VAT) J3 PIN 9

LEFT VAT RIGHT OR FULL VAT

K4 C5 PIN 2
PROBE J2 PIN 15
J2 PIN 5 C1 PIN 7
T1
T2
(IN COMPONENT BOX)
C2 PIN 1
C2 PIN 3, C2 PIN 12
C1 PIN 1
C1 PIN 3
FILTER PUMP
FILTER PUMP
SOLENOID
BLK
WHT
BLK
BLK
GRN
FROM TRANSFORMER BOX
1
2
3
4
5
6
7
8
9
TO T1 & J3 PIN 11
TO J1 PIN 8 & J3 PIN 8
TO J3 PIN 1
TO J3 PIN 3
TO GROUND
TO T2 & C5 PIN 1
TO J3 PIN 5 (12VDC)
LINE VOLTAGE (COM)
LINE VOLTAGE (L1)
LINE VOLTAGE (L1)
GROUND
24VAC
12VAC
12VAC
LINE VOLTAGE (COM)
BLACK
WHITE/BLACK
BLUE
WHITE
GREEN
ORANGE
RED
FROM TRANSFORMER BOX
N.C.
N.O.
COM
(CE AND SOME
EXPORT UNITS)
DRAIN SOLENOID

C1

HOOD RELAY
1
2
3
4
5
6
7
8
9
HEAT STRIP

252 and 452's ONLY, On 352 & 552's Heat

strip is attached to pins 7 & 9 of Line

Connector C3

HEAT STRIP
ON 352 0R 552
AIR
PRESSURE
SWITCH
NOT USED