Bunn TW Instruction Manual

BUNN
®
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]
32329.0000 11/02 ©1999 Bunn-O-Matic Corporation www.bunnomatic.com
TW
TWF

232329 070102
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.

Electrical and Operating Controls............................................................................................................ 18
Faucet ...................................................................................................................................................................................... 16
Funnel Assembly .................................................................................................................................... 22
Numerical Index...................................................................................................................................... 24
Strainer/Flow Control, Solenoids and Lines ............................................................................................ 12
Tank Assembly .................................................................................................................................... 8,10
Top Cover, Hood, Trunk, Base and Panels ................................................................................................ 4
TABLE OF CONTENTS
3
MODELS COVERED IN THIS MANUAL
TW - Brewers without Faucet
TW - 120V, Standard Height (4.64" extention)
TW - 120V, 23" Height (8.12" extention)
TW - 120V, 23" Height with 1/2 Batch Option
TW - 120/208V, Standard Height (4.64" extention)
TW - 120/208V, 23" Height (8.12" extention) with 90oz. Concentrate Option
TWDB - 200V, 3500W
TWF - Brewers with Faucet
TWF - 120V, Standard Height (4.64" extention)
TWF - 120V, Standard Height with Optional Rear Receptacle
TWF - 120V, 23" Height (8.12" extention)
TWF - 120V, Standard Height with 1/2 Batch Option
TWF - 120V, 23" Height with 1/2 Batch Option
TWF - 120V, 23" Height (8.12" extention) with 90oz. Concentrate Option
TWF - 120/208V, Standard Height (4.64" extention)
TWF - 120/208V, 23" Height (8.12" extention)
TWF - 120/208V, Standard Height with 1/2 Batch Option
32329 120100

4
BUNN®TW
TWF
TOP COVER, HOOD, TRUNK, BASE AND PANELS
1
2
3
4
18
19
5
6
21
22
7
8
17
9
10
12
15
16
23
14
13
9
11
9
P2017.40
18
20
25
Early Model Guide Brackets
32329 080701

ITEM PART NO. QTY. DESCRIPTION
5
103423.0000 1 Cover, Top (Also order items 2 & 25)
01382.0000 4 Screw, Truss Head #6-32 x .375"
210502.0000 1 Schematic, Electrical 120V
10502.0003 1 Schematic, Electrical 200V (TWDB)
321836.0000 1 Hood (Includes item 4)
21836.0001 1 Hood (Includes Item 4)(TWDB)
02308.0000 6 Screw, Pan Head - Serrated #8-32 x .375"
420268.0000 1 Decal, Hood-Switch
20268.0007 1 Decal, Hood-Switch (Models with Ready Light)
5 03762.0003 1 Trunk Assy (Also order items 19,21 & 22; if applicable)
00970.0000 6 Nut, Hex Keps #8-32
603773.0000 1 Housing, Nozzle Mounting
00970.0000 2 Nut, Hex Keps #8-32
703765.0005 1 Housing Assy, Trunk Extension 4.64" HT
03765.0003 1 Housing Assy, Trunk Extension 8.12" HT
00970.0000 6 Nut, Hex Keps #8-32
803770.0000 1 Bracket, Stop
01315.0000 2 Screw, Truss Head #8-32 x .375"
903772.0000 2 Guide, Base (Early models)
32035.0000 1 Guide, Base (Left side)
32035.0001 1 Guide, Base (Right side)
01317.0003 6 Screw, Truss Head-Locking #8-32 x .375"
10 03767.0002 1 Base
11 00668.0000 1 Plug, Hole .75" Dia
12 25137.0001 4 Foot, .75" O.D. x .48" HT (See item 24)
13 03771.0004 1 Cover, Trunk Extension - Rear 4.64" HT (120V)
20910.0000 1 Cover, Trunk Extension - Rear 4.64" HT (120/208V)
03771.0003 1 Cover, Trunk Extension - Rear 8.12" HT (120V)
20910.0002 1 Cover, Trunk Extension - Rear 8.12" HT (120/208V)
01315.0000 4 Screw, Truss Head #8-32 x .375"
00917.0000 4 Fastener, J-Type #8-32
14 22297.0001 1 Panel W/Decals, Trunk (120V) (Includes items 15 & 16)
25615.0000 1 Panel W/Decals, Trunk (120/208V)(Includes items 15 & 16)
25615.0001 1 Panel W/Decals, Trunk (120/208V)(Includes items 15,16 & 23)(Models with Rear
Receptacle)
01315.0000 6 Screw, Truss Head #8-32 x .375"
00917.0000 6 Fastener, J-Type #8-32
15 00831.0000 1 Decal, Electrical Warning
16 00656.0000 1 Decal, Comply With Plumbing Code
17 02319.0000 2 Nut, Acorn #6-32
01510.0000 2 Lockwasher, External Tooth #6
01308.0000 2 Screw, Truss Head #6-32 x .25"
TOP COVER, HOOD, TRUNK, BASE AND PANELS
(Continued)
32329 111502
Late models

6
BUNN®TW
TWF
TOP COVER, HOOD, TRUNK, BASE AND PANELS
(Continued)
32329 080701
1
2
3
4
18
19
5
6
21
22
7
8
17
9
10
12
15
16
23
14
13
9
11
9
P2017.40
18
20
25
Early Model Guide Brackets

ITEM PART NO. QTY. DESCRIPTION
7
TOP COVER, HOOD, TRUNK, BASE AND PANELS
18 00669.0003 2 Plug, Hole .437" Dia (Brewers W/Out Faucet)
19 03537.0000 1 Decal, USE QUICK BREW FUNNEL
20 05749.0001 1 Plug, Nylon-Black .625" Dia. (120/208V Models only)
21 27294.0000 1 Decal, CLEANING AND SANITIZING
22 27294.0001 1 Decal, CLEANING AND SANITIZING (Spanish)
23 02822.0000 1 Decal, AUXILLARY OUTLET (Models with Rear Receptacle)
24 24600.0000 - Kit, Foot (Includes four feet)
25 32540.0000 1 Decal, Batch Set (Digital Timer, Late Models)
32329 080701

8
BUNN®TW
TWF
TANK ASSEMBLY W/OUT FAUCET
ON
OFF
I
T
A
L
Y
P1372
6 17 18 7 8 9
10
11
15
16
13 5
12
14
4
19
21
20
2
3
1
32329 120100
22
23
24
25

ITEM PART NO. QTY. DESCRIPTION
9
TANK ASSEMBLY W/OUT FAUCET
120842.0000 1 Tank W/Blanket Warmer 120V (Includes items 2, 3 & 21)
01315.0000 4 Screw, Truss Head #8-32 x .375"
01512.0000 4 Lockwasher, External Tooth #10
220201.3000 1 Tank
33620.0000 1 Tank (TWDB)
304260.0000 1 Blanket Warmer, 50W 120V
01927.0000 1 Blanket Warmer 50W, 220V (TWDB)
404221.0000 1 Gasket, Tank Lid
529329.1000 1 Thermostat, Limit 30 amp
6 00942.0000 2 Nut, Hex .50"-20
7 20544.0000 1 Sprayhead Tube Kit (Includes 3 mounting nuts below, items 8 & 13)
00908.0000 3 Nut, Hex #8-32
805515.0000 1 Gasket, Sprayhead Tube
920201.3102 1 Lid Assembly, Tank
00908.0000 8 Nut, Hex #8-32
10 01075.0000 1 Nut, Hex .438"-20
11 01082.0000 1 Sprayhead, 6 Hole
01082.0003 1 Sprayhead, 7 Hole
12 00943.0000 2 Gasket, Tank Heater
13 05518.0000 1 Syphon Hub
14 03070.1000 1 Tank Heater, 1680W 120V (Includes Item 12)
20201.6350 1 Tank Heater, 3500W 208V (Includes Item 12)
15 20262.0000 1 Tube Assembly, Vent
16 00406.0001 1 Fitting, .375" Tube x .125" MPT
17 01425.0000 1 Pin, .375" Dia x .50"
18 02536.0000 1 Grommet, .375" I.D.
19 20254.0001 1 Bracket, Tank Mounting - Rear
02308.0000 2 Screw, Pan Head - Serrated #8-32 x .375"
20 20254.0000 1 Bracket, Tank Mounting - Front
02308.0000 2 Screw, Pan Head - Serrated #8-32 x .375"
21 20201.6001 1 Plug, Hex Head .25" NPT
22 00430.0001 1 Adapter, .125" NPT Male-Female
23 33624.0000 1 Valve Assy, Ball
24 12422.0001 1 Clamp, Hose
25 11707.1001 1 Tube, Silicone .250" I.D. x .50" O.D. x 36" long (Cut to 31")
32329 120100
Used on TWDB
Brewers

10
BUNN®TW
TWF
TANK ASSEMBLY W/FAUCET
P1373
23
22
6
6 23 22 7 8 9
10
11
15
16
13 5
12
21
14
20
4
17
19
18
2
3
1
32329 081599

ITEM PART NO. QTY. DESCRIPTION
11
120842.0000 1 Tank W/Blanket Warmer 120V (Includes items 2, 3 & 19)
01315.0000 4 Screw, Truss Head #8-32 x .375"
01512.0000 4 Lockwasher, External Tooth #10
220201.3000 1 Tank
304260.0000 1 Blanket Warmer, 50W 120V
404221.0000 1 Gasket, Tank Lid
529329.1000 1 Thermostat, Limit 30 amp
6 00942.0000 2 Nut, Hex .50"-20
7 20544.0000 1 Sprayhead Tube Kit (Includes 3 mounting nuts below, items 8 & 13)
00908.0000 3 Nut, Hex #8-32
805515.0000 1 Gasket, Sprayhead Tube
920201.3103 1 Lid Assembly, Tank
00908.0000 8 Nut, Hex #8-32
10 01075.0000 1 Nut, Hex .438"-20
11 01082.0000 1 Sprayhead, 6 Hole
01082.0003 1 Sprayhead, 7 Hole
12 00943.0000 2 Gasket, Tank Heater
13 05518.0000 1 Syphon Hub
14 03070.1000 1 Tank Heater, 1680W 120V (Includes Item 12)
03070.1001 1 Tank Heater, 1500W 120V (Includes Item 12)
20201.6350 1 Tank Heater, 3500W 208V (Includes Item 12)
15 20262.0000 1 Tube Assembly, Vent
16 00406.0001 1 Fitting, .375" Tube x .125" MPT
17 20254.0001 1 Bracket, Tank Mounting - Rear
02308.0000 2 Screw, Pan Head - Serrated #8-32 x .375"
18 20254.0000 1 Bracket, Tank Mounting - Front
02308.0000 2 Screw, Pan Head - Serrated #8-32 x .375"
19 20201.6001 1 Plug, Hex Head .25" NPT
20 12689.1000 1 Coil Assembly, Hot Water (Includes item 21)
21 12688.0000 2 Gasket, Hot Water Coil
22 12687.0000 2 Nut, Hex - Brass .562"-24
23 00400.0001 2 Elbow, Male .25" Flare x .125" MPT
TANK ASSEMBLY W/FAUCET
32329 081599

12
BUNN®TW
TWF
STRAINER/FLOW CONTROL, SOLENOIDS AND LINES
54 43 42 41 1 2
3
4
5
6
44
12
13
14 15 4 3
7
10
8
11
9
SOLENOID VALVE
REPAIR PARTS
18 17 16
27
20
28
29
19
26
25
24
23
22
21
53 52 51 50 49 48 46
47
45
BREWERS W/OUT FAUCET
32
31
33
30
36
35 34
37
38
39
40
P1374
32329 081599

ITEM PART NO. QTY. DESCRIPTION
13
STRAINER/FLOW CONTROL, SOLENOIDS AND LINES
1 -------------- 1 Tube, Silicone, .250" I.D. x 21" LG (Order item 55)
201592.0000 1 Bushing, Snap 1" Dia Hole
3 12422.0000 2 Clamp, Hose - Snap Type .47"/.54" I.D.
400464.0001 2 Elbow, .250" Barb x .125" MPT
503717.0000 1 Nozzle, Dilution
01382.0000 3 Screw, Truss Head Serrated #6-32 x .375"
625523.0000 1 Tube Assembly, Solenoids to Bulkhead (Includes items 12)
701085.0002 3 Solenoid Valve, 120V (Includes items 8 thru 11)
01327.0000 6 Screw, Pan Head #10-32 x .375"
01502.0000 6 Lockwasher, Split #10
828479.0000 1 Base Kit (Includes O-ring)
901111.0002 1 Valve Repair Kit (Includes Plunger, Spring and O-ring)
10 28480.0000 1 Valve Coil 120V
11 28481.0000 1 Guide Kit (Includes Washer and O-ring)
12 00443.0001 2 Nut/Sleeve, .250" Tube
13 00465.0001 2 Elbow Assembly, .125" MPT x .250" Tube (Includes item 12)
14 03170.0000 1 Plate, Solenoid Valve Mounting
00970.0000 2 Nut, Keps #8-32
15 00430.0001 1 Adapter, .125 NPT Male & Female
16 00463.0000 2 Nut, Hex - Brass .438"-20
17 01532.0000 2 Lockwasher, Internal Tooth .438"
18 00459.0000 2 Fitting, Bulkhead .250" Flare
19 24368.0000 1 Strainer/Flow Control W/Tubing, .750 GPM (Includes items 20 thru 29)(Brewers W/
Faucet)
20 22300.0750 1 Strainer/Flow Control, .750 GPM (Includes item 21 thru 26)
21 01154.0000 1 Fitting, Flow Control Outlet
22 01155.0000 1 Gasket, Flow Control
23 20526.1750 1 Flow Washer/Gasket Kit (.750 GPM) (Includes item 22)
24 -------------- 1 Body (Not Available. Order item 20)
25 23721.0000 1 Screen
26 22249.0000 1 Fitting, Flow Control Inlet
27 26280.0000 1 Tube Assembly, Tee to Strainer/Flow Control
(Continued)
One Less
Used on
Brewers W/
Out Faucet
32329 081599

14
BUNN®TW
TWF
STRAINER/FLOW CONTROL, SOLENOIDS AND LINES
P1374
(Continued)
54 43 42 41 1 2
3
4
5
6
44
12
13
14 15 4 3
7
10
8
11
9
SOLENOID VALVE
REPAIR PARTS
18 17 16
27
20
28
29
19
26
25
24
23
22
21
53 52 51 50 49 48 46
47
45
BREWERS W/OUT FAUCET
32
31
33
30
36
35 34
37
38
39
40
32329 081599

ITEM PART NO. QTY. DESCRIPTION
15
28 20577.0000 1 Tee, .250" Flare
29 21814.0016 2 Tube Assembly, Bulkhead
30 00402.0001 2 Connector, .25" Male Flare x .125" MPT
31 00310.0006 1 Tube Assemblly, Dilution to Tee
32 20577.0001 1 Tee, .250" Flare
33 20628.0001 1 Tube Assembly, Tee to Iced Tea Brew Solenoid
34 00458.0001 1 Adapter, .125" MPT x .125" FPT
35 00432.0001 1 Elbow, .125" NPT Male & Female
36 20528.1195 1 Flow Control Assembly (.195 GPM) (Includes items 37 thru 40)
37 01154.0001 1 Fitting, Flow Control Outlet
38 20526.1195 1 Flow Washer/Gasket Kit (.195 GPM) (Includes item 39)
39 01155.0000 1 Gasket, Flow Control
40 -------------- 1 Body, Flow Control (Not Available. Order item 36)
41 20260.0000 1 Tube Assembly, Tee to Needle Valve
42 00484.0001 1 Valve, Needle .250" Flare
43 20257.0000 1 Tube Assembly, Flow Control to Tank
44 20256.0000 1 Tube Assembly, Bulkhead to Coil (Brewers W/Faucet)
45 24356.0750 1 Strainer/Flow Control W/Tube (Includes items 46 & 47)(Brewers W/Out Faucet)
46 00310.0000 1 Tube Assembly, Strainer/Flow Control to Bulkhead
47 22300.0750 1 Strainer/Flow Control (Includes Items 48 thru 53)
48 01154.0000 1 Fitting, Flow Control Outlet
49 01155.0000 1 Gasket, Flow Control
50 20526.1750 1 Flow Washer/Gasket Kit, .750 GPM (Includes item 49)
51 ------------- 1 Body (Not Available. Order item 47)
52 23721.0000 1 Screen
53 22249.0000 1 Fitting, Flow Control Inlet
54 13085.0002 1 Tube Assembly, Tank Fill
55 11707.1001 - Tube, Silicone .250" I.D. x .50" O.D. x 36" LG
11707.1002 - Tube, Silicone .250" I.D. x .50" O.D. x 120" LG
STRAINER/FLOW CONTROL, SOLENOIDS AND LINES
32329 110201

16
BUNN®TW
TWF
4
1
2
3
11
10
8
7
6
9
5
14
12
13
FAUCET
P1182
32329 081599

ITEM PART NO. QTY. DESCRIPTION
17
120274.0000 1 Tube Assy, Coil to Faucet
213059.0000 1 Faucet Jam Nut
301532.0000 1 Lockwasher, Internal Tooth .438" I.D.
412915.0000 1 Faucet, Hot Water (Includes items 5 thru 14)
513061.0000 1 Faucet Handle/Stem Assy (Includes items 6 thru 11)
613053.0000 1 Faucet Handle/Pin Kit (Includes item 7)
702858.0000 1 Pin, Spring .125" Dia. x .50"
813060.0000 1 Faucet Bonnet Nut
913055.0000 1 Faucet Spring
10 13054.0000 1 Faucet Stem
11 13056.0000 1 Faucet Seat Cup
12 13057.0000 1 Faucet Safety Clip
13 13058.0000 1 Faucet Aerator Kit
14 - - - - - - - - 1 Body, Faucet (Not available order item 4)
FAUCET
32329 081599

18
BUNN®TW
TWF
ELECTRICAL AND OPERATING CONTROLS
BUNN
OFF
HI
P2019.75
32
33
11
34
2
8
20
23
21
19
10
9
22
5 18 7 6
2
4
3
1
16 17
12 13 14
REPLACEMENT
PART
15
1
5
Early Models
32329 120100
35

ITEM PART NO. QTY. DESCRIPTION
19
ELECTRICAL AND OPERATING CONTROLS
1-- - - - - - - 1 Timer, 5 Min - 120V (Hot Coffee)(Early Models, Order Item 31)
32400.0002 1 Timer, Digital - 120V
01388.0000 2 Screw, Truss Head #6-32 x .75"
01510.0000 2 Lockwasher, External Tooth #6
2 01533.0000 4 Spacer, .171" I.D. x .375" O.D. x .375" LG
303024.0005 1 Thermostat Assembly (Includes item 4)
01310.0000 1 Screw, Pan Head #6-32 x .25" (Mounting)
20762.0000 2 Screw, Binding Head #8-32 x .25" (Terminal)
01510.0000 1 Lockwasher, External Tooth #6
400720.0000 1 Knob, Thermostat
5-- - - - - - - 1 Timer, 8 Min - 120V (Iced Tea) (Early Models, order Item 31)
32400.0002 1 Timer, Digital - 120V
01388.0000 2 Screw, Truss Head #6-32 x .75"
01510.0000 2 Lockwasher, External Tooth #6
12919.0008 1 Cap, Terminal (Not illustrated)
611633.0000 1 Switch, Start
7 20234.0000 1 Switch, ON/OFF/ON 120V
20234.0001 1 Switch, ON/OFF/ON Lighted 240V (TWDB)
800603.0000 1 Clamp, Cable
00970.0000 1 Nut, Keps #8-32
901309.0000 1 Screw,Power Cord Ground - Pan Head W/Washer #10-32 x .50"
10 00707.0000 1 Bushing, Strain Relief (120V Models only)
11 00614.0000 1 Bushing, .469" I.D.
12 20211.0100 1 Thermal Fuse, Tank Heater to BLK Lead from Thermostat (Brewers W/Faucet)
13 21016.0001 1 Lead, Limit Thermostat to Control Thermostat - BLU/BLK 16AWG 11" LG
14 21016.0000 1 Lead, Thermal Fuse to Control Thermostat - BLK 16AWG 6.50" LG (Brewers W/
Faucet)
21016.0002 1 Lead, Tank Heater to Control Thermostat - BLK 16AWG 15" LG (Brewers W/Out
Faucet)
15 07073.0000 1 Grommet, Thermostat
16 00636.0000 1 Shield, Polyester - Timer Boards
17 00637.0000 1 Shield, Polyester - Switch Terminals
18 02677.0000 1 Switch Blank
06536.0000 1 Switch, ON/OFF (Models with Half Batch option)
19 07038.0000 1 Terminal Block, 3-pole, 120/208V
01106.0001 1 Terminal Block, 2-pole, RED/BLK (TWDB)
01317.0000 2 Screw, Truss Head #8-32 x .50"
20 01590.0000 1 Connector, Cable (120/208V Models only)
21 00985.0000 1 Decal, INDIVIDUAL CIRCUIT INFO
(Continued)
32329 070102

20
BUNN®TW
TWF
ELECTRICAL AND OPERATING CONTROLS
(Continued)
BUNN
OFF
HI
P2019.75
32
33
11
34
2
8
20
23
21
19
10
9
22
5 18 7 6
2
4
3
1
16 17
12 13 14
REPLACEMENT
PART
15
1
5
Early Models
32329 120100
35