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provided on the funnel to help make this step easier.

NOTE:

  Hot water may be drawn from the hot water faucet during a brew cycle. However, if a large amount of 

hot water is drawn off (over 1 gallon) operator should wait to do so between brewing cycles.

CLEANING

NOTE:

 Tanks and tank components should be delimed regularly based on local water conditions. Excessive  

mineral build-up on stainless steel surfaces can initiate corrosion reactions resulting in serious leaks.

1.  Remove funnel(s), funnel lid(s) and support(s), under hot water, rinse away all coffee oils. Wipe with a clean 

damp cloth.

2.  Drain coffee reservoir(s) by opening coffee faucet(s). When empty, close faucet(s).

3.  Cycle two or three inches of water into coffee reservoir(s) and scrub entire reservoir area.

NOTE:

 The brewer must 

NOT

 be rinsed or cleaned by a water jet device.

4.  Drain coffee reservoir(s) and rinse. Use clean damp cloth to wipe reservoir(s).

5.  Install coffee funnel supports, funnel(s) and funnel lid(s).

6.  Remove the sight gauge cap, insert 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 brush and wipe all parts with a damp cloth. Replace faucet seat cups periodically if 

badly stained or to stop faucet dripping. DO NOT CLEAN THE HOT WATER FAUCET.

8  Reassemble the coffee faucet(s).

9.   Wipe the entire outside surface of the machine with a clean damp cloth. Wipe dry.

FILTER HOLDER

1.  A filter holder is supplied with each brewer. Its purpose is to keep the filters in their originally formed shape 

to properly fit the brewer funnel.

2.  It is suggested that only one cluster of filters be placed in the holder at one time for best results.

3.  Not using the filter holder may permit the filters to gradually widen out towards a flat shape, especially so if 

humidity is present. Once a filter has lost its upright side walls, it may tend to collapse inward when placed 

in the brewing funnel. If this happens the hot water spray may cause one side to fall inwards, letting coffee 

grounds flow over the edge of filter and into the brewed coffee. Proper use of the holder should prevent this 

problem.

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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