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ELECTRICAL REQUIREMENTS
CAUTION - The brewer must be disconnected from the power source until specified in
Initial Set-Up.
SRU Model requires 3-
wire, grounded service rated
120/208 or 120/240 volts ac,
30 amp, single phase, 60 Hz.
Proceed as follows:
ELECTRICAL INSTALLATION INSTRUCTIONS
CAUTION – Improper electrical installation can damage the equipment and injure the installer. The chassis must
be properly grounded. Do not assume a plumbing line will provide an adequate ground.
1. An electrician must provide electrical service as specified.
2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.
3. Before electrically connecting the brewer, remove the side panel from the hood and rotate the control thermostat
knob fully clockwise to the "OFF" position. Keep this knob in the "OFF" position until performing the "
Initial Setup
"
Replace the side panel.
4. Remove the lower front panel and connect the proper electrical service to the terminal block.
5. Connect the brewer to the power source and verify the voltage at the terminal block before proceeding. Replace
the lower front panel.
6. Disconnect the brewer from the power source. If plumbing has been hooked up, the brewer is ready for the
Initial Setup.
NOTE: Schematic wiring diagrams are included in this manual.
L2 RED
WHITE
NEUTRAL
L1 BLACK
120V A.C.
208 OR
240V A.C.
120V A.C.
SRUA-CE Models require 2-
wire, grounded service rated 230
volts ac, 30 amp, single phase,
60 Hz. Proceed as follows:
230V A.C.
L2 RED
L1 BLACK
PLUMBING REQUIREMENTS
These brewers must be connected to a cold water system with operating pressure between 20 and 90 psi (138
and 621 kPa) from a 1/2" or larger supply line. A shut-off valve should be installed in the line before the brewer.
Install a regulator in the line when pressure is greater than 90 psi (621 kPa) to reduce it to 50 psi (345 kPa). The
water inlet fitting is 3/8" flare.
NOTE - Bunn-O-Matic recommends 3/8" copper tubing for installations from the 1/2" water supply line. Bunn-
O-Matic does not recommend the use of a saddle valve to install the brewer. The size and shape of the hole made
in the supply line by this type of device may restrict water flow.
Plumbing Hook-up
1. Make certain the 3/8" female flare fitting on the short tube from the outlet of strainer (supplied) is securely
attached to the male fitting at the bottom rear of the brewer.
2. Flush the water line and securely attach it to the 3/8" male flare fitting on the inlet of the strainer.
3. Turn on the water supply.
4. Inspect the connection for leaks.
P1841 P1842
10067 040100
208 OR
240V A.C.
P1842
SRUA Models require 2-
wire, grounded service rated
208 or 240 volts ac, 30 amp,
single phase, 60 Hz. Proceed
as follows:
L2 RED
L1 BLACK