BUNN Espress
®
ES•2C
™
16
PLUMBING DIAGRAM
TO STEAM WAND
TO HEATER
CONTROL
Hot Water (surrounding tank heater)
PRESSURE
SWITCH
TANK HEATER
LEGEND
Cold Water
Brew Water
Steam
Components and Item Numbers
FILTER
HOLDER
COLD WATER FILL LINE
FLOWMETER
FROM WATER
SUPPLY VALVE
COLD
WATER
PUMP W/ADJUSTABLE
PRESSURE RELIEF VALVE
SET TO ~150 PSI
HEAT
EXCHANGER
TUBE
GROUP HEAD
BREW CHAMBER
VENT TO DRAIN
PRESSURE
RELIEF VALVE
(~25 PSI POP-OFF)
SET TO
~160 PSI
HOT WATER
HOT WATER
GROUP
SOLENOID
(3-WAY)
STEAM
~ 18 PSI
TEMERATURE
~ 250 F¡
PRESSURE
RELIEF
VALVE
CHECK
VALVE
TO HOT WATER
FAUCET
TO STEAM WAND
TO DRAIN
WATER TREATMENT
110 WS
™
W
a
t
e
r
C
o
n
d
i
t
i
o
n
i
n
g
S
y
s
t
e
m
s
B
•
U
•
N
•
N
FILTER
HOLDER
GROUP HEAD
BREW CHAMBER
VENT TO DRAIN
GROUP
SOLENOID
(3-WAY)
STEAM
VALVE
FAUCET
VALVE
TO REFILL
CONTROL
MANUAL FILL
VALVE
(Normally Blocked)
DUAL PRESSURE
GAUGE
P
U
M
P
S
T
E
A
M
REFILL
SOLENOID
STEAM
VALVE