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NB Wiring Diagram
SWITCH/DISPLAY BOARD
100731-2
OPTIONAL 240V WIRING
TANK
HEATER
HEATER
RELAY
ELEMENT
VL/WH
VL/BK
PROG
SWITCH
WH
VL\BK
N
L2
L1
TANK ASSEMBLY
VL/BK
VL/BK
VL/WH
HI-LIMIT
THER-
MOSTAT
VL/BK
HEATER
RELAY
VL/WH
VL/BK
BK
WH
PROG
SWITCH
WH
BK
BK
WH
GN
POWER
CORD
TERMINAL
BLOCK.
OPTIONAL
FOR 120 V
POWER
CORD
PreRelease Manual PN 119985 Rev 09-26-05 Firmware Rev 3
TANK
RD
RD
HEATER
YL
ELEMENT
BK
STANDARD
PROBE
THERMISTOR
ASSEMBLY
COMPONENT
100729-2
PANEL ASSEMBLY
BK
-
RD
+
MAIN
CONTROL
BOARD
RIBBON CABLE
GY
BK
CN5
10
PROBE
ON
BN
SIGNAL IN
RD
BL
RO
PROBE
2 1
2 1
CN1
BK
6 1
RD
7 2
BK
8 3
RD
BN
9 4
10 5
BK\
WH
CN2
BK\
BN
ON
4 1
WH
5 2
YL
6 3
CN3
RD
3 1
BK
4 2
BK
RD
2
1
DP-A
DP-B
BK\
BK\
BN
WH
WH
TRANSFORMER
BK
WH
GY
FILL
VALVE
WH
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