Welbilt Convotherm 4 - Page 98

7 Control electronics
Training manual Convotherm 4 98
Item Name
DID PIN
PIN assignment
X9 Surface-temperature sensor for
boiler heating element
-4B8
1
Temperature for boiler switch-off (PLUS)
2
Temperature for boiler switch-off (MINUS)
3
-
X10
Boiler sensor -4B4
1
Boiler temperature (PLUS)
2
Boiler temperature (MINUS)
X11
Condensation unit temperature
-5B4:+
1
PLUS
-5B4:-
2
MINUS
X13
DEBUG
X14
C-BUS
X15
Variable frequency drive 1 -3T5:RJ45 Top motor
X16
DEBUG interface
X18
Burner control unit -3T1
Convection burner 1
1
Automatic burner control unit 1 (RxD)
2
Automatic burner control unit 1 (TxD)
3
Automatic burner control unit 1 Convection (VCC)
4 Automatic burner control unit 1 Convection
(SGND)
Convection burner 2
1
Automatic burner control unit 2 (RxD)
2
Automatic burner control unit 2 (TxD)
3
Automatic burner control unit 2 Convection (VCC)
4 Automatic burner control unit 2 Convection
(SGND)
Boiler burner
1
Automatic burner control unit Boiler (RxD)
2
Automatic burner control unit Boiler (TxD)
3
Automatic burner control unit Boiler (VCC)
4
Automatic burner control unit Boiler (SGND)
X19
SD card
X20
Identification module (IDM)
1
3.3 VDC
2
Flash SCL
3
Flash SDA
4
GND
X21
Water-level sensor -4B12
1
Water level in boiler (HIGH)
2
Water level in boiler (SGND) - spare
3
Water level in boiler (LOW)