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Page 8

INITIAL SETUP - SRU

CAUTION - 

The brewer must be disconnected from the power source throughout the initial setup, except when 

specified in the instructions.

IMPORTANT: 

Brewer must be level and installed on a sturdy structure.

 

 

 

Electrician's and Plumber's Instructions are provided. These instructions should be carefully  

 

 

 

followed before proceeding with initial setup.

 

 

 

Be sure all electrical and plumbing connections are tight.

1.  Disconnect the brewer from the power source.

2.  Remove the left side panel from the hood and rotate the control thermostat knob fully counterclockwise to 

the "OFF" position. Replace the side panel.

3.  Connect the brewer to the power source and place the lighted ON/OFF switch in the "ON" position. Water will 

flow into the tank and should automatically stop after approximately 15 minutes.

NOTE - 

The lighted ON/OFF switch must be in the "ON" position to automatically refill the tank. The switch should 

be in the "OFF" position whenever the brewer is left unattended.

4.  Disconnect the brewer from the power source.

5.  Remove the left side panel from the hood and rotate the control thermostat knob clockwise to the 5 o'clock 

position. Replace the side panel.

6.  Connect the brewer to the power source and wait for the water in the tank to heat to the proper temperature. 

This will take approximately 1-2 hours, depending on the incoming water temperature. Some water will flow 

from the overflow tube during this time due to expansion. Draw off a 1/2 gallon of water every 15 minutes 

during the initial heat-up to lessen the chance of hot water flow from this expansion.

7.  Determine the water temperature by checking the water with a thermometer at the hot water faucet (red 

handle). The best brewing temperature is between 195˚ (91˚C) and 200˚F (93˚C). The temperature may be 

increased by turning the thermostat knob clockwise and decreased by turning the knob counterclockwise.

8.  When the desired temperature is attained, place the funnel support, funnel, and funnel cover on top of the 

coffee reservoir. Center the discharge of the water swing spout over the opening in the top of the funnel cover.

9.  Place the lighted ON/OFF switch in the "ON" position and momentarily press and release the start switch. 

Water should flow from the swing spout into the funnel assembly.

10. Drain and measure the water from the reservoir when the flow of water from this initial cycle stops. If it is 

three gallons, proceed to step 12. If it is more or less than three gallons, proceed to step 11.

11. Adjust the brew timer as required. See 

Adjusting Brew Volumes. 

 Repeat steps 9 & 10.

12. The brewer is now properly adjusted to brew coffee.

ADJUSTING BREW VOLUMES

Bunn-O-Matic recommends a bead of silicon sealant be placed around the base on the countertop

after the initial operation instructions are completed. B.O.M. #M2509.1001 sealant is available.

42769  012610

Summary of Contents for SRU/U3

Page 1: ...19 2010 Bunn O Matic Corporation To ensure you have the latest revision of the Operating Manual Illustrated Parts Catalog Programming Manual or Service Manual please visit the Bunn O Matic website at...

Page 2: ...atements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the war...

Page 3: ...o reduce the risk of electric shock do not remove or open cover No user serviceable parts inside Authorized service personnel only Disconnect power before servicing WARNING Hot Water Use With Care WAR...

Page 4: ...d in applications such as farm houses Access to the service areas permitted by Authorized Service personnel only The A Weighted sound pressure level is below 70 dBA NORTH AMERICAN REQUIREMENTS This ap...

Page 5: ...50 Hz GREEN 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 SYSTEM VOLTAGE V1 V2 208 208 120 240 240 139 380 380 220 440...

Page 6: ...or Initial Setup SRUA CE Models require 2 wire grounded service rated 230 voltsac 30amp singlephase 50Hz P1842 SRU Models require 2 wire grounded service rated 208 or 240 volts ac 30 amp single phase...

Page 7: ...for brewing The recommended brewing temperature is approximately 200 F 93 C Water temperature may be increased by turning thermostat knob clockwise decreased by turning knob counterclockwise 7 When de...

Page 8: ...rs depending on the incoming water temperature Some water will flow from the overflow tube during this time due to expansion Draw off a 1 2 gallon of water every 15 minutes during the initial heat up...

Page 9: ...BREW switch until you see three breaks in the water stream from the swing arm and then release the switch Failure to release the switch within two seconds after the third break in the water stream ca...

Page 10: ...sight gauge cleaning brush into the sight gauge glass tube and clean 7 To clean coffee faucet s remove the faucet handle from the faucet and faucet clean out cap Clean faucet with a faucet cleaning br...

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