Bunn SRU Instruction Manual

DISCONNECTFROMPOWERSOURCE
BEFOREREMOV
ALOF
ANYP
ANELOR
REPLACEMENTOF
ANYCOMPONENT!
WARNING
!
ATTENTION:TURNOFFWHENUNATTENDED ATTENTION:TURNOFFWHENUNATTENDED
ILLUSTRATED PARTS CATALOG
Designs, materials, weights, specifications, and dimensions for equipment or replacement parts
are subject to change without notice.
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: [phone] FAX: [phone]
www.bunnomatic.com
28113.0000C 08/06 ©2000 Bunn-O-Matic Corporation
SRU
SRUA

228113 081406
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY
Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:
1) All equipment other than as specified below: 2 years parts and 1 year labor.
2) Electronic circuit and/or control boards: parts and labor for 3 years.
3) Compressors on refrigeration equipment: 5 years parts and 1 year labor.
4) Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis:
parts and labor for 3 years or 30,000 pounds of coffee, whichever comes first.
These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by
it will be commercially free of defects in material and workmanship existing at the time of manufacture and
appearing within the applicable warranty period. This warranty does not apply to any equipment, component or
part that was not manufactured by BUNN or that, in BUNN’s judgment, has been affected by misuse, neglect,
alteration, improper installation or operation, improper maintenance or repair, damage or casualty. This warranty is
conditioned on the Buyer 1) giving BUNN prompt notice of any claim to be made under this warranty by telephone
at [phone] or by writing to Post Office Box 3227, Springfield, Illinois 62708-3227; 2) if requested by
BUNN, shipping the defective equipment prepaid to an authorized BUNN service location; and 3) receiving prior
authorization from BUNN that the defective equipment is under warranty.
THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR
ORAL, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. The agents, dealers or employees of BUNN
are not authorized to make modifications to this warranty or to make additional warranties that are binding on
BUNN. Accordingly, statements 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 warranty, BUNN, at its
exclusive option while the equipment is under warranty, shall either 1) provide at no charge replacement parts
and/or labor (during the applicable parts and labor warranty periods specified above) to repair the defective
components, provided that this repair is done by a BUNN Authorized Service Representative; or 2) shall replace
the equipment or refund the purchase price for the equipment.
THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF
THIS EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AT BUNN’S
SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND.
In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales,
loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute
equipment, facilities or services, or any other special, incidental or consequential damages.
BUNN and SRU are either trademarks or registered trademarks of Bunn-O-Matic Corporation.

TABLE OF CONTENTS
Electrical and Operating Controls.............................................................................................................22
Funnels, Sprayheads, Filter Baskets and Supports.....................................................................................6
Housing, Panels and Covers ......................................................................................................................4
Numerical Index.......................................................................................................................................26
Pump, Motor and Mounting.....................................................................................................................14
Reservoirs, Faucets and Sight Gauges.....................................................................................................18
Strainer and Solenoid Valve Piping (Early Models) ....................................................................................8
Strainer and Solenoid Valve Piping (Late Models) ...................................................................................10
Swing Spout and Mounting......................................................................................................................16
Thermostats and Tank Heaters.................................................................................................................12
328113 081406

4
SRU
HOUSING, PANELS AND COVERS
ATTENTION:TURNOFFWHENUNATTENDED
DISCONNECTFROMPOWERSOURCE
BEFOREREMOVALOF
ANYP
ANELOR
REPLACEMENT OF
ANYCOMPONENT!
WARNING
!
230V MODELS
5 1 4 2 3 1
21
11
12
20
19
18
13
6
8
9
7
10
11
12
14
22
15
17
16
15
P2054.40
28113 080200

ITEM PART NO. QTY. DESCRIPTION
5
HOUSING, PANELS AND COVERS
1 06352.0000 2 Cover, End
01317.0000 4 Screw, Truss Head #8-32 x .50” (230V CE Models)
01319.0000 4 Screw, Thumb #8-32 x .75” (120/240V Models)
00917.0000 4 Fastener, “J” Type #8-32
2 06411.0000 1 Housing
3 29299.0000 1 Decal, Caution - Swing Spout
4 12555.0000 1 Decal, Caution - Hot Surfaces
5 10044.0000 1 Decal, Warning - Shut Off Power
6 06407.0000 1 Plate, Component Mounting
01311.0000 10 Screw, Truss Head #8-32 x .25”
01315.0000 2 Screw, Truss Head #8-32 x .38”
7 07288.0000 2 Gasket, Reservoir Mounting
8 07289.0003 2 Gasket, Panel Mounting - 5.6” LG
9 07289.0002 2 Gasket, Panel Mounting - 13.25” LG
10 06409.0000 1 Housing (Single Service brewers)(120/240V)
- - - - - - - - 1 Housing (Double Service brewers)(Not serviced)(120/240V)
- - - - - - - - 1 Housing (Single Service brewers)(Not serviced)(230V)
- - - - - - - - 1 Housing (Single Service brewers)(Not serviced)(230V Marine Applications)
11 00823.0000 1 Decal, BUNN (One additional used with Double Service brewers)
12 12593.0000 1 Decal, Warning - Very Hot Water (One additional used with Double Service brewers
13 00878.0000 1 Decal, Turn Off When Unattended
14 06434.0000 1 Cover, Front Access (120/240V)
04957.0000 1 Cover, Front Access (230V)
01318.0000 4 Screw, Round Head #8-32 x .50”
00917.0000 4 Fastener, “J”-Type #8-32
15 06427.0000 1 Decal, Full-Half (120/240V)
06427.0001 1 Decal, Full-Half (230V)
16 00731.0000 4 Foot
01390.0000 4 Screw, Round Head #8-32 x .62”
00978.0000 4 Fastener, Flat Type #8-32
17 06351.0000 1 Plate, Bottom
01311.0000 7 Screw, Truss Head #8-32 x .25”
00917.0000 7 Fastener, “J”-Type #8-32
18 06350.0000 1 Cover, Rear Access
01315.0000 4 Screw, Truss Head #8-32 x .38”
00917.0000 4 Fastener, “J”-Type #8-32
19 00831.0000 1 Decal, Warning - Electrical
20 00656.0000 1 Decal, Comply to Plumbing Code
21 06360.0000 1 Cover, Rear Utility
01311.0000 6 Screw, Truss Head #8-32 x .25”
22 32540.0001 1 Decal, Batch Set (Digital Timer - Late Models)
28113 080200

6
SRU
FUNNELS, SPRAYHEADS, FILTER BASKETS AND SUPPORTS
28113 020100
1
2
4
5
6
8
7
9
10
3
P2055

ITEM PART NO. QTY. DESCRIPTION
7
1 00725.0000 1 Knob, Plastic - Black
01315.0000 1 Screw, Truss Head #8-32 x .38”
2 01192.0000 1 Cover
3 07023.0003 1 Cover Assy, Plastic - Black (Includes items 4 & 5)
4 -------------- 1 Cover, Plastic - Black (Not available. Order item 3)
5 07024.1002 1 Sprayhead, Plastic - Black (Includes hardware below, except for acorn nuts)
01339.0000 3 Screw, Pan Head #6-32 x .625”
01520.0000 3 Lockwasher, Split #6
00906.0000 3 Nut, Hex #6-32
6 07175.0000 1 Filter Housing Stand
7 07022.0012 1 Funnel w/Decals, Plastic - Black (Includes irems 8 & 9)
8 03408.0000 1 Decal, Warning - Rermove Funnel Slowly
9 03409.0000 1 Decal, Warning - Hot Liquid
10 07021.0002 1 Support, Funnel Plastic - Black (Refer to Item 12)
11 02564.0000 - Funnel Cover Lid Kit (Includes items 1 & 2)
12 07121.0002 - Funnel Kit, Plastic - Black (Includes items 3,7 & 10)
FUNNELS, SPRAYHEADS, FILTER BASKETS AND SUPPORTS
Refer to Item 11
28113 020100

8
SRU
BUNN
®
FLOW
90psigmaxoperatingpressure
StrainerAssembly #23720.1000
(ReplacementScreen #23721.0000)
BUNN
®
FLOW
90psigmax operatingpressure
StrainerAssembly #23720.1000
(Replacement Screen #23721.0000)
STRAINER AND SOLENOID VALVE PIPING (Early Models)
240V MODELS
SOLENOID REPAIR KIT
28113 081406
240V SOLENOID REPAIR KIT
31
30
32
20
21
22
23
24
25
19
29
28 27 26
3
4
5
2
6
7
1
11
37
34
35
36
37
38
33
39
7
42 43 41 40
16 17 18
15 14 13 12
10 9 8
P2056

ITEM PART NO. QTY. DESCRIPTION
9
STRAINER AND SOLENOID VALVE PIPING (Early Models)
1 07052.0000 1 Solenoid Valve Assy 120V (Includes items 2 thru 6)
07052.0002 1 Solenoid Valve Assy 240V (Includes items 2 thru 6)
2 07072.0000 2 Connector, Male Brass .38” Tube x .25” Male
3 -------------- 1 Solenoid Valve (Order item 1)(Refer to Items 27 & 37)
4 01537.0000 1 Washer, Nylon
5 07083.1000 1 Air Chamber
6 07051.1000 1 Tube Assy Inlet (Includes Nut and Ferrules)
7 07075.0000 1 Grommet, Inlet Tube Assy 120V
02536.0000 1 Grommet, Inlet Tube Assy 230V
8 01258.0000 1 Valve, Fill/Drain
9 01536.0000 1 Gasket, Fill/Drain Valve
10 00930.0000 1 Cap, Brass .75”
11 06365.0000 1 Tube Assy - Tee to Solenoid Valve (Includes nut and ferrules)
12 00976.0000 1 Cap .38” Flare
13 07112.0000 1 Tee .38” Male Flare
14 21807.0001 1 Tube Assy - Tee to Strainer
15 23720.1000 1 Strainer Assy (Includes items 16,17 & 18)
16 23723.0000 1 Cap, End
17 23721.0000 1 Screen
18 -------------- 1 Housing, Strainer (Order item 15)
19 07261.0000 1 Repair Kit, Solenoid (Includes items 7, 20 thru 28)
20 -------------- 1 Spring, Plunger (Order item 19)
21 -------------- 1 Plunger Assy (Order item 19)
22 07264.0000 1 O-Ring, Bonnet
23 -------------- 1 Seat, Plunger (Order item 19)
24 -------------- 1 O-Ring, Plunger Seat (Order item 19)
25 -------------- 1 Screen (Order item 19)
26 ------------- 1 Gasket, Orifice Plate (Order item 19)
27 -------------- 1 Diaphragm, Flow 1.0 GPM (Order item 19)
28 01537.0000 1 Washer, Nylon
29 07261.0001 1 Seal Kit, Solenoid (Includes items 7, 20, 22, 23, 24 & 26)
30 07025.0000 1 Coil, Solenoid (120V)(Includes item 31)
07025.0002 1 Coil, Solenoid (240V)(Includes item 31)
31 07050.0000 1 Clip, Spring
32 07272.0000 1 Bonnet, Plunger
33 28043.0000 1 Solenoid Valve Assy, 240V (Includes items 34 thru 38)
34 27907.0000 1 Elbow, .38” MPT x .38” Compression
35 28037.0000 1 Solenoid Valve
36 28040.0000 1 Connector, .38” MPT x .38” Compression
37 00929.0001 4 Nut/Sleeve, .38” Tube
38 28531.0000 1 Tube Assy, Inlet- Solenoid to Housing (Includes item 37)
39 28532.0000 1 Tube Assy, Tee to Solenoid (Includes item 37)
40 28020.0000 1 Coil
41 28021.0000 1 Core Assy Kit (Includes Core, Spring and O-ring)
42 29649.0000 1 Diaphragm and Spring Kit (Includes item 43)
43 29648.0000 1 Spring, Diaphragm
28113 081406

10
SRU
BUNN
®
FLOW
90psigmaxoperatingpressure
StrainerAssembly #23720.1000
(Replacement Screen#23721.0000)
BUNN
®
FLOW
90psigmaxoperatingpressure
StrainerAssembly#23720.1000
(ReplacementScreen#23721.0000)
STRAINER AND SOLENOID VALVE PIPING (Late Models)
28113 081406
22 23 24
21 20 19 18
17 16 15
P3708.40
SOLENOID REPAIR KIT
10
11
12
1
2
3
8
9
13
14
5
4
76