Frymaster FPD, SCFD manual Current Flow Through Interface

DECATHLON SERIES GAS FRYERS

CHAPTER 1: SERVICE PROCEDURES

Interface Boards (cont.)

P/N 806-4549 INTERFACE BOARD (previous style)

LED DIAGNOSTIC LIGHTS

12V	Indicates 12 VAC from transformer
24V	Indicates 24 VAC from transformer
GV	Indicates 24 VAC to gas valve
PWR	Indicates 24 VAC to PWR via K1 (L) or K2 (R or F)
AIR	Not Applicable to Decathlon Series Gas Fryers

The board contains two heat relays (K2 and K3), and two basket lift relays (K1 and K4). NOTE: On factory-original units not equipped with basket lifts and on service interface boards, the board will have no basket lift relays installed.

INTERFACE BOARD

J2

12VAC TO CPTR GROUND

12 VAC RETURN

COMPUTER

COMPUTER

COMPUTER

COMPUTER

NOT USED

1

2

3

4

5

6

7

8

J3 PIN 3

GROUND

J3 PIN 1

RT HT RELAY (K3)

12 VDC TO RELAYS

LT HT RELAY (K2)

K4

NOT USED

*Twin Vat configurations

**Single Vat configurations

*

COMPUTER	9	K1
RT ALARM OUT**		ALR (RIGHT)
	10
COMPUTER		SOUND DEVICE
	11
LT ALARM OUT*		AD (LEFT)
COMPUTER	12	J3 PIN 4
COMPUTER	13	J1 PIN 2 & J3 PIN 2
COMPUTER	14	J1 PIN 4
	15

		J1						J3
	NOT USED		NOT USED			J2 PIN 3			12 VAC XFMR PIN 12
	TEMP PROBE	1	J2 PIN 14			J2 PIN 14		1			TEMP PROBE
		2						2
	NOT USED		NOT USED			J2 PIN 1					12 VAC XFMR PIN 11
		3						3
	TEMP PROBE		J2 PIN 15			J2 PIN 13					TEMP PROBE
		4						4
	NOT USED		NOT USED			NOT USED					NOT USED
		5						5
	NOT USED		NOT USED			NOT USED					NOT USED
	MAIN GAS VALVE	6	V2D			V1S OR V1D		6	MAIN GAS VALVE 24VAC
	via HLS	7	PWR via K1			PWR via K2		7			via HLS
	24 VAC IN										24 VAC IN
		8						8
	BASKET LIFT (DN)		K1			K4				BASKET LIFT (DN)
		9						9
	NOT USED		NOT USED	AC Hot to 120VAC GV					MAIN GAS VALVE 120VAC
		10						10
											via HLS
	AC COMMON		AC COMMON			AC COMMON					AC COMMON
	BASKET LIFT (UP)	11	K1			K4		11		BASKET LIFT (UP)
		12						12
	MOD 25V GROUND		GROUND			GROUND				MOD 25V GROUND
		GND					GND
	MOD V2D		J1 PIN 7			J3 PIN 7					MOD V1D*
		V2D					V1D
	MOD 25V TERM		J1 PIN 8 via K1			J3 PIN 8 via K2					MOD 25V TERM
		PWR					PWR
DRAIN SWITCH (OPT)			J2 PIN 12			J2 PIN 10					DRAIN SWITCH (OPT)
		AD					ALR
	NOT USED		NOT USED			J3 PIN 7					MOD V1S**
	NOT USED	AS	NOT USED					V1S
		V2S
	LEFT TWIN VAT				SINGLE OR RIGHT TWIN-VAT

CURRENT FLOW THROUGH INTERFACE

BOARD 806-4549 (previous style)

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