Norcold 2118 - Wiring Diagram

SERVICE MANUAL
29
www.norcold.com
Wiring Diagram
Fig. 17 - Wiring Diagram
Description
PB Power Board
DB Display Board
CW Cold Weather Kit
A AC Heaters
B Light
C Thermistor
D Gas Valve
E Divider Heater
F Perimeter Heater
G Fresh Food Blower
H Temperature Monitor
Control
I External Fans
J * Ice Maker Water Line
Heater
K * Water Valve Heater
L * Dispenser Water Line
Heater
M * Dispenser Water Valve
Heater
N * Water Valve
O * Dispenser Light P.C.B.
P * Dispenser Switch
Q Temperature Switch
R * Temperature Switch
S Divider Heater Housing
T Door Contacts
U Flapper Heater
V Flapper Housing
W Door Switch
X Igniter
Y Freezer Blower
Z Thermocouple
1 Fused Continuous 12
VDC
2 Switched 12 VDC
3 Communications
4 Display Ground
5 Auxiliary Ground
6 Auxiliary +12 VDC
7 Divider +12 VDC
8 Gas Valve +12 VDC
9 Internal Fans Ground
10 Internal Fans +12 VDC
11 Cooling Unit Heater
12 Temperature Switch
F1 5 Amp DC fuse
F2 8 Amp AC fuse
F3 3 Amp DC fuse
* Optional
TEMP
ON-OFF
MODE
MICRO
Vreg
1
2
3
4
5
P1
8
12VDC
GND
LIMIT_OUT
LIMIT_IN
AC_HT_HI_2
AC_HT_HI
AC_HT_LO
AC_HT_LO_2
L1
L2
4
1
2
35
6
125
3
4
67
8
9
10
1
2
K2
K5
K3
K1
K4
-
+
P3
-
-
-
+
+
+
+
+
P2
P1
+
U1
K2
K5
K4
K3
K1
GN/VE
WH/BC
BK/NR
WH/BC
RD/RG
RD-BU/RG-BL
YL/JN
OR/OR
RD/RG
RD-BU/RG-BL
BK-YL/NR-JN
OR/OR
P3
VT/VT
YL/JN
3
1
2
1
2
3
A
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
W
X
6
5
4
3
2
1
7
6
5
4
3
2
1
7
8
PB
B
1
2
1
2
+
-
RD-YL/RG-JN
WH/BC
BK/NR
BU/BL
RD-BU/RG-BL
RD-YL/RG-JN
BK/NR
BU/BL
WH/BC
YL/JN
RD/RG
RD/RG
BK/NR
BK/NR
WH/BC
BK/NR
WH/BC
BR/BR
BR/BR
2
1
K6
P4
K6
1
2
1
2
1
2
1
2
+
-
+
-
Y
9
9
10
10
RD/RG
BK/NR
BK/NR
RD/RG
RD/RG
T1
DB
1
2
1
2
BR/BR BR/BRBK/NR
BK/NR
+12V IN
+12V OUT
GND
+
-
YL/JN
RD/RG
Z
BU/BL
GN/VE
RD/RG
BU/BL
+
C
1
1
22
BK/NR
BK/NR
BK/NR
BK/NR
11
12
BK-YL/NR-JN
RD-BU/RG-BL
-
RD/RG
BK/NR
NOR000186A
PB
A
B
C
D
E
F
G
H
I
J*
K*
L*
M*
N*
O*
P*
Q
R*
DB
S
T
U
V
X
Y
Z
1
2
3
4
5
6
7
8
9
10
11
12
F1
F2
F3
1
2
3
4
5
6
7
9
10
12VDC GROUND
cw
+12VDC
120VAC
12VDC GROUND
+12VDC
W
W