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BUNN Espress® Model ES•1AF
12
WIRING DIAGRAM
+
OUT
-
P5
P6
P5
P6
J2-1
D
I
G
I
T
A
L
B
R
E
W
E
R
C
O
N
T
R
O
L
C
I
R
C
U
I
T
B
O
A
R
D
26564.0000B 11/95 © 1995 BUNN-O-MATIC CORPORATION
120 VOLTS AC
2 WIRE
SINGLE PHASE
TANK LEVEL
SENSING
GRN
RED
ORA
YEL
VIO
GRY
BLU
WHI
BLK
PNK
J3-1
RED
WHI
BLU
VIO
ORA
WHI/YEL
WHI/RED
WHI/ORA
ORA
P1
P2
P3
P4
P1
P2
P3
P4
YEL
BLU
WHI
BLK
RED
ORA
CONTROL PANEL,
PROGRAM SWITCH,
& DISPLAY INTERFACE
YEL
BLU
WHI
BLK
RED
FLOW METER
GRN
GRN
L1 N
BLK BLK
K-N.O.
BLK
LIMIT
T'STAT
LIMIT
T'STAT
PRESSURE
SWITCH
BLK BLK WHI
1785W
TANK HEATER
BLK
SOL
HOT WATER
SOL
BREW
SOL
AIR
SOL
SECONDARY
STEAM
SOL
REFILL
SOL
PRIMARY
STEAM
K
WHI WHI WHI WHI
PUMP
WHI WHI WHI WHI
WHI
WHI
WHI
WHI
WHI/BLU
J2-3
J2-5
J2-7
J2-9
J2-11
J2-13
J2-15
J3-3
J3-5
J3-7
J3-9
J3-11
J3-13
J3-15
J3-17
J3-19
J3-21
J3-23
J3-25
J3-27
J3-29
J3-31
J3-33
J3-35
J3-37
J3-39