Electrical Requirements - U3; Electrical Requirements - Sru - Bunn U3 Installation And Operating Manual

ELECTRICAL REQUIREMENTS - U3, U3A, U333, U38, U3833
CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.
L2 RED
WHITE
NEUTRAL
L1 BLACK
U3 & U38 requires 3-wire, grounded service rated
120/208 or 120/240 volts ac, single phase, 60 Hz.
BLACK
L1
RED
L2
GREEN
U3A models require 2-wire, grounded service rated
230 volts ac, single phase, 50 Hz.
CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.
BLACK
L1
RED
L2
GREEN
SRUA-CE Models require 2-wire,
grounded service rated 230 volts ac,
single phase, 50 Hz.
120V A.C.
208 OR
240V A.C.
120V A.C.
P1841
230V A.C.
GREEN
P1842
ELECTRICAL REQUIREMENTS - SRU, SRUA
BLACK
230V A.C.
RED
GREEN
GREEN
P1842
SRU Models require 2-wire,
grounded service rated 208 or 240
volts ac, single phase, 60 Hz.
U333 & U3833 requires 3-wire, grounded ser-
vice rated 240 volt ac, 440 volts ac, for U333,three
phase, 60 Hz or 380 volts ac, for U3833, three phase,
50 Hz.
WHITE
N
(NEUTRAL)
RED
L2
BLUE
L3
BLACK
L1
GREEN
U3833 requires 4-wire, grounded service rated 380
volts ac or 440 volts ac, three phase, 50 Hz.
L1
208 OR
240V A.C.
L2
GREEN
P1842
Page 4
RED
L2
208V OR 240V
BLUE 380V OR 440V
L3
208V OR 240V
BLACK 380V OR 440V
L1
GREEN
L1, L2, L3, are the 3 phases
V1 = Phase to phase voltage,
between any 2 phases.
V2 = Phase to neutral voltage,
any phase to neutral.
GREEN
SYSTEM
VOLTAGE
208
P1844
240
380
440
208V OR 240V
380V OR 440V
GREEN
P1843
V1 V2
208 120
240 139
380 220
440 254
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