Bunn CWT TWIN Скачать руководство пользователя страница 2

Page 2

INTRODUCTION

This equipment will brew one or two half-gallon batches of coffee simultaneously into awaiting dispensers

(with just the press of a button).  One side may include a hot water faucet for allied beverage use. It is only for indoor
use on a sturdy counter.

WARRANTY

Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects

in material and workmanship existing at the time of manufacture and appearing within one year from the date of
installation. In addition:

1.) Bunn warrants electronic circuit and/or control boards to be commercially free from defects in material and

workmanship for three years from the date of installation.

2.) Bunn warrants the compressor on refrigeration equipment to be commercially free from defects in material

and workmanship for two years from the date of installation.

3.) Bunn warrants that the grinding burrs on coffee grinding equipment will grind coffee to meet original factory

screen sieve analysis for three years from date of installation or for 30,000 pounds of coffee, whichever comes first.

This warranty does not apply to any equipment, component or part that was not manufactured by Bunn or that,

in Bunn’s judgement, has been affected by misuse, neglect, alteration, improper installation or operation, improper
maintenance or repair, damage or casualty.

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.

The Buyer shall give Bunn prompt notice of any claim to be made under this warranty by telephone at (217)

529-6601 or by writing to Post Office Box 3227, Springfield, Illinois, 62708-3227. If requested by Bunn, the Buyer
shall ship the defective equipment prepaid to an authorized Bunn service location. If Bunn determines, in its sole
discretion, that the equipment does not conform to the warranty, Bunn shall repair the equipment with no charge
for parts during the warranty period and no charge for labor by a Bunn Authorized Service Representative during
the warranty period. If Bunn determines that repair is not feasible, Bunn shall, at its sole option, 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,  AS
SPECIFIED HEREIN, TO REPAIR OR, AT BUNN’S SOLE OPTION, 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.

10737 061501

Содержание CWT TWIN

Страница 1: ...D BOIL ED DRY BOIL ED DRY HEA TED WHE N EMP TY HEA TED WHE N EMP TY USE D ON HIGH FLA ME USE D ON HIGH FLA ME OR EXP OSE D ELE CTR IC OR EXP OSE D ELE CTR IC ELE MEN TS ELE MEN TS PN 658 PN 658 1985 BUNN O MA TIC CORP ORAT ION 1985 BUNN O MA TIC CORP ORAT ION ON L OWE R ON LOW ER TOP STA RT ON LOW ER TOP STA RT ON ON OF F OF F T A N K CA UT IO N CA UT IO N DIS CAR D DEC ANT ER DIS CAR D DEC ANT ER...

Страница 2: ...RANTY 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 The Buyer shall give Bunn prompt notice of any cla...

Страница 3: ...ully read and follow all notices in this manual and on the equipment All labels on the equipment should be kept in good condition Replace any unreadable or damaged labels 12364 0000 00658 0000 00656 0000 00831 0000 10737 121598 ...

Страница 4: ...d 2 Using a voltmeter check the voltage and color coding of each conductor at the electrical source 3 Place the heater switchs at the rear of the brewer in the OFF lower position 4 Remove the front panel beneath the sprayheads 5 Feed the cord through the strain relief s and connect it to the terminal block s 6 Connectthebrewertothepowersourceandverifythevoltageattheterminalblockbeforeproceeding Re...

Страница 5: ...itting on the bottom of the center tube assembly 2 Flush the water line and securely attach it to the flare fitting on the center tube assembly 3 Turn on the water supply 4 On models with faucet place an empty vessel beneath the faucet and lift the handle until water is dispensed ON OFF T A N K This eq uipm en t is to be installed to co mply with the Bas ic Plumbing Cod e of the Building Officials...

Страница 6: ...uld be 64 ounces 9 If not adjust the timer as required Refer to Adjusting Brew Volumes 10 Repeat steps 8 9 until 64 oz water volume is achieved NOTE Repeat steps 1 through 10 for the other side 11 The brewer is now ready for use in accordance with the coffee brewing instructions on the next page 10737 100801 ADJUSTING BREW VOLUMES CAUTION Disconnect the power source from the brewer prior to the re...

Страница 7: ...always remain open 3 With the sprayhead removed insert the deliming spring provided all the way into the sprayhead tube When inserted properly no more than two inches of spring should be visible Saw back and forth five or six times NOTE In hard water areas this may need to be done daily It will help prevent liming problems in the brewer and takes less than a minute 2 Setting batch sizes To set a b...

Страница 8: ...wrenchesisrecommendedwheneverplumbingfittingsaretightenedorloosened Thiswillhelp to avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and electrical connections tight and isolated This brewer is heated at all times Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Unplug the brewer when servicing except when el...

Страница 9: ...k for obstructions Clear or replace Refer to Service Tank Heater Switchfortestingprocedures See page 22 Refer to Service Limit Thermo stat for testing procedures See page 16 Refer to Service Control Ther mostatfortestingprocedures See page 15 Refer to Service Tank Heater for testing procedures See page 21 Refer to Service Recovery Booster for testing procedures See page 18 3 ON OFF Switch 4 Start ...

Страница 10: ...ld up on stainless steel surfaces can initiatecorrosivereactionsresult ing in serious leaks REMEDY A Direction of flow arrow must be pointing towards the brewer B Remove the strainer flow con trol and check for obstruction Clear or replace Thebrewermustbelevelorslightly lower in front to syphon properly Inspect the tank assembly for ex cessive lime deposits Delime as required The water pressure to...

Страница 11: ...enser 2 Timer 3 Solenoid Valve REMEDY Refer to Service Control Ther mostatfortestingprocedures See page 15 Thebrewermustbelevelorslightly lower in front to syphon properly Inspect the tank assembly for ex cessive lime deposits Delime as required Remove the solenoid valve and clear any obstructions Rebuild or replace the valve if necessary See page 19 RefertoService Timerfortesting procedures See p...

Страница 12: ...le shak ing Placeanemptyfunnelonanempty dispenser beneath the sprayhead Initiate a brew cycle and check the water temperature immediately below the sprayhead with a ther mometer The reading should not be less than 195 F 91 C Adjust the control thermostat to increase the water temperature Replace if necessary The BUNN paper filter must be centered in the funnel and the bed ofgroundsleveledbygentlys...

Страница 13: ...r is making unusal noises cont Low beverage serving tempera ture PROBABLE CAUSE 4 Tank Heater 1 Warmer REMEDY Remove and clean lime off the tank heater See page 21 Refer to Service Warmer ele ment for testing procedures See page 27 10737 120800 ...

Страница 14: ...r COMPONENT ACCESS WARNING Disconnect the brewer from the power source before the removal of any panel or the replace ment of any component All components are accessible by the removal of the top cover front inspection panel and warmer plate s The top cover is attached with two 4 40 screw The front inspection panel is attached with five 8 32 screws The warmer assembly is attached with three 4 40 s...

Страница 15: ...re 120 240 volt models b 200 volts ac for two wire 200 volt volt models c 240 volts ac for two wire 240 volt models d 230 volts ac for three wire three phase 230 volt models 6 Disconnect the brewer from the power source Ifvoltageispresentasdescribed reinstallthecapillary tube into the tank to the line 4 5 above the bulb the control thermostat is operating properly If voltage is not present as desc...

Страница 16: ...at 3 Withanohmmeter checkforcontinuityacrossthe limit thermostat terminals If continuity is present as described the limit thermo stat is operating properly If continuity is not present as described replace the limit thermostat Removal and Replacement 1 Remove all wires from limit thermostat terminals 2 Carefully slide the limit thermostat out from under the retaining clip and remove limit thermos...

Страница 17: ...nd Replacement 1 Remove the wires from the switch terminals 2 On models with faucet turn off water supply and remove faucet 3 Remove front end cap 4 Compress the clips inside the hood and gently push the switch through the opening 5 Push the new switch into the opening and spread the clips to hold switch in the hood 6 Reinstall front end cap 7 Onmodelswithfaucetreinstallfaucetandconnect brewer to ...

Страница 18: ...minals Connectthebrewertothepower source With the ON OFF switch in the ON positionandthestartswitchpressedandreleased check for continuity across relay terminals 7 Disconnect the brewer from the power source If continuity is present as described reconnect the blue and black wires to the relay contact terminals If continuity is not present as described replace the relay Removal and Replacement 1 Re...

Страница 19: ...mer P1132 6 Check the solenoid valve for coil action Connect the brewer to the power source With ON OFF switchinthe ON upperpositionpressstartswitch and listen carefully in the vicinity of the solenoid valve for a clicking sound as the coil magnet attracts 7 Disconnect the brewer from the power source If the sound is heard as described and water will not pass through the solenoid valve there may b...

Страница 20: ...ss these ter minals in the upper position If continuity is present as described reconnect the blue wire to the top terminal and the white red wire to the bottom terminal If continuity is not present as described replace the switch Removal and Replacement 1 Remove the blue wire and white red wire from the start switch 2 On models with faucet turn off the water supply and remove faucet 3 Remove fron...

Страница 21: ...ATER 10737 120800 1 2 3 4 5 FIG 15 FILL BASIN P1238 1 Splash Guard 2 Tank Inlet Fitting 3 Tank Inlet Gasket 4 Fill Basin 5 Fill Tube Assembly Removal and Replacement 1 Disconnect the water supply tube 5 from the fill basin 4 2 Remove the tank inlet fitting 2 securing the fill basin 4 to the tank lid remove fill basin 4 splash guard 1 and tank inlet gasket 3 Set all parts aside for reassembly 3 On ...

Страница 22: ...for reas sembly 7 Remove the eight 8 32 nuts securing the tank lid to the tank 8 Remove the tank lid with limit thermostat spray head tube tank heater coil assembly and control thermostat w bracket early models only 9 Remove the two hex nuts securing the tank heater to the tank lid Remove tank heater with gaskets and discard 10 Install new tank heater with gaskets on the tank lid and secure with t...

Страница 23: ...met in the tank lid 10 Remove the two 8 32 screws securing the tank assembly to the hood 11 Lift tank and components out as an assembly and set aside for reassembly 12 Disconnect the two black wires from the tank heater switch 13 Remove the plastic facenut hex facenut and the switch indicator guard bracket that secures tank heater switch to the rear of the brewer Remove switch and discard 14 Inser...

Страница 24: ...wo wire 240 volt models d 230 volts ac for three wire three phase 230 volt models FIG 19 TIMERS P1233 FIG 20 TIMER TERMINALS 10737 120800 To Main Harness WHI to Solenoid Valve BLK to Solenoid Valve 6 Disconnect the brewer from the power source 7 Reconnect the three pin connector from main wiring harness to the timer If voltage is present as described proceed to 7 If voltage is not present as descr...

Страница 25: ...described proceed to 7 If voltage is not as described disconnect the brewer from the power source and replace the timer 7 With a voltmeter check the voltage across termi nals TL1 and TL4 when the ON OFF switch is in the ON position Connectthebrewertothepower source and press the START switch The indica tion must be as follows a 120 volts ac for three wire 120 240 volt models b 200 volts ac for two...

Страница 26: ... the switch Failure to release the switch within two seconds after the third click causes the volume setting to be aborted and pre vious volume setting will remain in memory Allow the brew cycle to finish in order to verify that the de sired volume has been achieved 2 Setting brew volumes To set a brew volume first check that the SET LOCK switch is in the SET position on the circuit board Place th...

Страница 27: ...ring the warmer assembly to the brewer 2 Lift the warmer assembly from the brewer 3 Disconnect the two wires from the warmer ele ment terminals 4 Remove the two 8 32 nuts securing the warmer element to the warmer plate 5 Securely install new warmer element 6 Reconnectthetwowirestowarmerelementtermi nals 7 Securely install warmer assembly on the brewer 8 Refer to Fig 24 when reconnecting the wires ...

Страница 28: ...OP REAR WARMER WHI P5 1 WHI VIO WHI VIO WHI BRN WHI BRN WHI WHI RED WHI WHI WHI LEFT TOP FRONT WARMER RIGHT TOP FRONT WARMER WHI P4 1 YEL YEL WHI YEL WHI YEL WHI WHI RED SW7 SW8 BLK P2 3 BLK WHI BLU LT SOL BLU BLU BLK LEFT BREW TIMER P2 1 SW5 WHI RED WHI RED RED WHI WHI WHI WHI P1 1 WHI GRN WHI WHI RED SW3 SW4 BLK RIGHT KEEP WARM HEATER WHI P3 3 BLK WHI BLU RT SOL BLU BLU BLK WHI WHI GRN RIGHT BRE...

Страница 29: ...K RT SOL WHI BLK K2 WHI BLK P2 3 BLK LT SOL BLU BLU BLK LEFT BREW TIMER P2 1 SW5 WHI RED WHI RED RED WHI WHI WHI SW3 WHI RED WHI GRN P1 2 P1 3 LEFT LOWER WARMER RIGHT LOWER WARMER WHI P1 1 WHI RED WHI GRN WHI WHI RED SW4 BLK RIGHT KEEP WARM HEATER WHI WHI WHI WHI GRN P2 2 WHI WHI P3 3 BLK RT SOL BLU BLU BLK WHI WHI GRN RIGHT BREW TIMER P3 1 P3 2 SW6 WHI GRN WHI GRN WHI BLK K1 WHI BLK RIGHT TANK HE...

Страница 30: ...HEATER WHI WHI RED WHI RED WHI RED P2 3 BLK WHI GRN WHI BLU SW6 SW5 BLU BLU BLK LEFT BREW TIMER P2 1 WHI P2 2 P4 2 P4 3 10741 0000F 12 00 1993 BUNN O MATIC CORPORATION 120 240 VOLTS AC 3 WIRE SINGLE PHASE N WHI WHI WHI WHI WHI WHI WHI LEFT FRONT WARMER LEFT REAR WARMER SW9 RIGHT FRONT WARMER P5 2 P5 3 SW10 BLK RIGHT REAR WARMER WHI BRN BLK VIO WHI BLK P3 1 P3 3 BLK WHI BLU BLU BLU BLK SW7 SW8 RED ...

Страница 31: ...RN BLU BLU BLK WHI BLK WHI RED SW3 L SW2 L BLK WHI P1 1L P1 2L P1 3L WHI RED WHI BLU WHI RED WHI GRN BLU BLU BLK WHI BLK WHI RED SW3 R SW2 R BLK WHI P1 1R P1 2R P1 3R WHI RED WHI BLU RIGHT BREW WARMER WHI WHI RED WHI BLK LEFT FRONT WARMER VIO LEFT REAR WARMER SW4 L P2 2L BRN BLK SW5 L P2 3L WHI VIO BLK P2 1L WHI WHI RIGHT FRONT WARMER BRN BLK VIO RIGHT REAR WARMER SW4 R BLK P2 2R BRN BLK P2 1R SW5...

Страница 32: ...HI RED WHI RED WHI RED P2 3 BLK WHI SW6 SW5 BLU BLU BLK LEFT BREW TIMER P2 1 WHI P2 2 LT SOL P4 2 P4 3 27693 0000C 12 00 1996 BUNN O MATIC CORPORATION 120 240 VOLTS AC 3 WIRE SINGLE PHASE N WHI WHI WHI WHI WHI WHI WHI LEFT FRONT WARMER LEFT REAR WARMER SW9 RIGHT FRONT WARMER P5 3 P5 2 SW10 BLK RIGHT REAR WARMER WHI BRN BLK VIO WHI BLK P3 1 P3 3 BLK BLK BLU BLU BLK RIGHT BREW TIMER SW8 SW7 RED RED ...

Страница 33: ...ONT WARMER RIGHT TOP FRONT WARMER RED P4 1 YEL YEL WHI YEL WHI YEL RED RED BLK SW7 SW8 BLK P2 3 BLK WHI GRN WHI BLU BLU BLU BLK LEFT BREW TIMER P2 1 SW5 WHI RED WHI RED RED RED RED LEFT LOWER WARMER RIGHT LOWER WARMER RED P1 1 WHI RED WHI GRN RED RED SW3 SW4 BLK RIGHT KEEP WARM HEATER WHI WHI P3 3 BLK WHI GRN WHI BLU RT SOL BLU BLU BLK WHI RIGHT BREW TIMER P3 1 P3 2 RED SW6 WHI GRN WHI GRN WHI P2 ...

Страница 34: ... WARMER RED P5 1 WHI VIO WHI VIO WHI BRN WHI BRN RED RED RED RED RED LEFT TOP FRONT WARMER RIGHT TOP FRONT WARMER RED P4 1 YEL YEL WHI YEL WHI YEL RED RED BLK SW7 SW8 BLK P2 3 BLK WHI GRN WHI BLU LT SOL BLU BLU BLK LEFT BREW TIMER P2 1 SW5 WHI RED WHI RED RED RED RED LEFT LOWER WARMER RIGHT LOWER WARMER RED P1 1 WHI RED WHI GRN RED RED SW3 SW4 BLK P3 3 BLK WHI GRN WHI BLU RT SOL BLU BLU BLK WHI RI...

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