Turbo Chef Technologies NGC-1007 service manual Mech

THE CONTROL SYSTEM 13

The Control System is comprised of the components that signal, sense, command, and switch the oven’s various components. Figure 7 shows a functional diagram of all the components that make up the Control System.

N O T E : The part numbers for each component can be located on the drawings found throughout and at the end of this manual.

+24VDC

				DUAL
K1	K2	K3	K6
MECH	MECH	MECH	MECH	SSR
RELAY	RELAY	RELAY	RELAY	K5	K4
			(U.S. ONLY)
+ 24 VDC -	+ 24 VDC -	+ 24 VDC -	+ 24 VDC -	3(+) 4(-)	3(+) 4(-)

L

24VDC

+V

+24VDC

POWER

COMMAND

MAGFILAMENT

MAGHV COMMAND

COMMAND

VOLTAGE

+24VDC

SUPPLY

N

-V

MONITOR SWITCH

NC

C

NO

MONITOR

INTERLOCK

COMMON

BMSC

+24VDC

4

FOR MORE DETAIL, SEE FIGURE 37

3

240 VAC

0-10V

1

IR ELEMENT COMMAND

2

SPD

CONVECTION HEATER COMMAND

3 PHASE

I/O COM

2

1

OUT

CMD

MAGNETRON COOLING FAN COMMAND

ENABLE

3

I/O COM

4

PRIMARY SWITCH

200-240

STATUS OK

5

I/O

PRIMARY SWITCH

3

INTERLOCK

NC

C

2

VAC IN

GROUND

6

NO

1

CONTROL

SECONDARY SWITCH

BOARD

SECONDARY SWITCH

INTERLOCK

NC

C

VOLTAGE

VOLTAGE INPUT

NO

COMMON

SENSOR

COMMON

U.S. ONLY

1 1

1 1

A (-)

2 2

2 2

IR THERMOCOUPLE

C (+)

VFD

A (-)

EC THERMOCOUPLE

DISPLAY

C (+)

25

25

25

25

A (-)

CC THERMOCOUPLE

26

26

26

26

C (+)

1

2

14

1

2

14

K7

RELAY

- 24 VDC +

+24VDC

1	2	14
1	2	14

KEYPAD

F I G U R E 7: NGC (Tornado) Control System