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BUNN Espress™
L1
BLK
TANK HEATERS
BLU
1785 @ 120V
TOTAL WATTS
ELECTRONIC
CONTROLLER
SCHEMATIC-ELECTRICAL
SCHEMATIC WIRING DIAGRAM
BLU
E
5
BLK
BLU
BLU
BLK
TAN
BLU
TAN
TAN
PROGRAM
GRN
SW
GRY
BLU
BRN
GRN/YEL
PROBE
RED
GRN
INDICATOR PANEL
(RIBBON CABLE)
ES•1A
GREEN
BLK
CONTROL SWITCH LOGIC TABLE
A B C D
H
CONTROL
SWITCH
A
8
B
1 2 3 4
C
D
H
L I M I T
PRESSURE
THERMOSTAT
BLK
SW
GROUP
BLU
SOL
BLU
REFILL
SOL
BLU
PUMP
WHI
FLOW
METER
CONTROL &
17
Model ES•1A™
WHI
1
A
1
A
1
•
•
•
•
•
•
2
B
2
B
2
•
•
•
•
•
•
3
C
3
C
3
•
•
•
•
•
•
4
D
4
D
4
•
•
•
•
•
•
E
5
E
5
E
5
•
•
•
•
•
•
8
H
8
H
8
•
•
•
•
•
•
L I M I T
THERMOSTAT
BLK
BLK
120 VOLTS AC
2 WIRE
SINGLE PHASE
60 HZ
N
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