TurboChef NGC (Tornado) Service Manual page 57

FIGURE 4: NGC ( TORNADO) CONTROL SYSTEM
Chapter 4: The Control System - Page 11
L
+V
24 VDC
POWER SUPPLY
N
(101206)
-V
BMSC
(100443)
1
0-10V
2 200-240
SPD
I/O COM
CMD
3 VAC IN
ENABLE
I/O COM
1
240 VAC
STATUE OK
2
3 PHASE
OUT I/O COM
3
4
VOLT
(100783)
A -
( )
IR THERMOCUOPLE C ( + )
A -
( )
C +
EC THERMOCUOPLE ( )
A ( - )
C ( + )
CC THERMOCUOPLE
K1 K2
MECH MECH
RELAY RELAY
(101271) (101271)
+ 24 VDC - + 24 VDC -
+24 VDC
COMMON
1
2
3
4
I/O
5
6
CONTROL
BOARD
(NGC-1008)
VOLTAGE INPUT
COMMON
12
12
12
12
KEYPAD
(NGC-1110)
SERVICE PARTS AND ILLUSTRATIONS
+24 VDC
K3 K6
MECH MECH
RELAY RELAY
(101271) (101272)
+ 24 VDC - + 24 VDC -
MONITOR SWITCH
NC
C
NO (102012)
MONITOR
INTERLOCK
+24 VDC
CONVECTION HEATER COMMAND
IR ELEMENT COMMAND
PRIMARY SWITCH
INTERLOCK
SECONDARY SWITCH
INTERLOCK
COMMON
14
14
14
14
K5 K4
DUAL
SSR
RELAY
(101284)
3 ( + ) 4 ( - ) 3 ( + ) 4 ( - )
+24 VDC
PRIMARY SWITCH
NC
C
NO (102012)
SECONDARY SWITCH
NC
C
NO (102012)
VDF
DISPLAY
(100505)
51