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Page 26

KEEP WARM HEATER

33031.0000C 10/00 ©2000 BUNN-O-MATIC CORPORATION

WATER TANK

LEVEL

PROBE

PNK

BLK

BLK

WHI

WHI

WHI

WHI

WHI

WHI

GRN

PNK

PNK

WHI/BLU

WHI/RED

WHI/YEL

WHI/ORA

WHI/GRN

WHI

WHI

WHI-14

TEMPERATURE

PROBE

GREEN

TEA

BLACK

TEA

FAUCET

SWITCH

READY IND.

SANITIZE

SWITCH

START

SWITCH

SW3

GRN

SW2

SW1

WHI/ORA

WHI/YEL

WHI/RED

ON/OFF

SWITCH

SOL

SOL

SOL

BREW

FAUCET

(COLD WATER MIX)

N

GRN

K1

K1

WHI/VIO

BLK

BLK

BLK

BLK

BLK

BLK

BLK

BLK-14

BLK-14

BLK-14

TANK HEATER

LIMIT

THERMOSTAT

BLU-14

BLU-14

L1

RELAY

RED

GRY

ORA

VIO
YEL

SW4

TRM-1
TRM-2

COM

N.O.

J1-1

J1-8
J5-1

J5-6

J7-1
J7-2

J3-1

J3-3

C
O
N
T
R
O
L

P

C

B
O
A
R
D

SCHEMATIC WIRING DIAGRAM TU3QF-EZ

120V AC 2 WIRE

SINGLE PHASE

60Hz

33030 100200

«
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Содержание TU3QF-EZ

Страница 1: ...SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 www bunnomatic com TU3QF EZ OPERATING SERVICE MANUAL 33030 0000F 8 01 2000 Bunn O Matic Corporation BUNN DISCONTINUED VERSION The in...

Страница 2: ...NG 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...

Страница 3: ...0000 USER NOTICES Carefully read and follow all notices on the equipment and in this manual They were written for your protec tion All notices on the equipment should be kept in good condition Replace...

Страница 4: ...en pressure is greater than 90 psi 620 kPa to reduce it to 50 psi 345 kPa The water inlet fitting is 1 4 flare NOTE Bunn O Matic recommends 1 4 copper tubing for installations of less than 25 feet and...

Страница 5: ...ase the START switch 11 Allow the cycle to finish and measure the amount of water in the container It should be 512 ounces 2 Refer to the adjustments section of this manual should the volume need to b...

Страница 6: ...rails Make sure faucet is closed and lid cover is removed 6 Place the ON OFF switch to the ON position Press and release the Sanitize Switch 7 After sanitize cycle ends let reservoir soak then empty...

Страница 7: ...arily press and release the brew start switch once for each two seconds to be added to the prior setting 5 Allow the cycle to finish The brewer is now set to dispense this amount of water for each sub...

Страница 8: ...mes Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Unplug the brewer when servicing except when electrical tests are specified Follow recommended serv...

Страница 9: ...n due to malfunction See Diagnostic Chart in manual page 14 or under top lid of brewer Water lines and valves to the brewer must be open Check for voltage across the black and white terminals at the p...

Страница 10: ...use the time as reference to determine if time has changed Inspect the sprayhead tube and sprayhead for excessive lime de posits Delime as required Refer to Service Brew Solenoid Valve for testing pro...

Страница 11: ...be used for proper ex traction Place an empty brew funnel on an empty vessel of at least 4 gallons beneath the sprayhead Initiate brew cycle and check the water temperature immediately below the spra...

Страница 12: ...under top lid Remove probe and grommet Look into hole on tank lid Water must be within one inch from top of tank Remove the probe from the grom met and submerge in a water bath of approximately 70 F...

Страница 13: ...er to pins 2 and 3 of the J5 connector At 60 F the reading should be 15 3k 2k OHMS at 70 F the reading should be 11 8k 2k OHMS and at 80 F the reading should be 9 3k 2k OHMS If the probe is within the...

Страница 14: ...Tank Level Fault Water pressure Level probe dry too long after fill valve is energized Level probe wiring Temperature probe wiring Fill valve wiring function strainer 3 Low Water Temperature Fault Tan...

Страница 15: ...he removal of any panel or the replace ment of any component All components are accessible by the removal of the top cover and rear access panel The top cover is attached with one 4 40 screw Removal o...

Страница 16: ...d valve for coil action Connect the brewer to the power source With ON OFF switch in the ON upper position press start switch and listen carefully in the vicinity of the solenoid valve for a clicking...

Страница 17: ...tinuity is not present as described replace the solenoid valve 6 Check the solenoid valve for coil action Connect the brewer to the power source When pressing the faucet switch in the Green Tea positi...

Страница 18: ...ress switch for Green Tea Continu ity should be present 4 Check for continuity across the violet and yellow terminals Press switch for Black Tea Continuity should be present No continuity should be pr...

Страница 19: ...to the sprayhead Removethedispensevalveandinspectfor wear and remove waterborne particles If the sound is not heard as described proceed to 6 P2158 40 6 Connect the voltmeter lead ends to the hot wate...

Страница 20: ...ostat 5 Check the voltage across the exposed terminal of the limit thermostat and the white wire on the tank heater with a voltmeter Connect the brewer to the power source The indication must be 120 v...

Страница 21: ...s not present as described refer to the Wir ing Diagram and check the wiring harness 6 Check for continuity across the center and end terminals of the bottom row when the switch is in the ON position...

Страница 22: ...s the two terminals on the side of the switch from which the wires were removed when the switch is held in the lower po sition Continuity must not be present across these terminals in the upper positi...

Страница 23: ...held in the lower po sition Continuity must not be present across these terminals in the upper position If continuity is present as described the switch is operating properly If continuity is not pres...

Страница 24: ...k for continuity across the tank heater termi nals If continuity is present as described reconnect the wires the tank heater is operating properly If continuity is not present as described replace the...

Страница 25: ...in connector J 1 and the 6 pin connector J 5 from the main wiring harness FIG 21 BOARD WIRING P2151 50 4 Disconnect the 2 pin connector J 7 from the ready indicator LED 5 Remove the four 6 32 screws s...

Страница 26: ...CH READY IND SANITIZE SWITCH START SWITCH SW3 GRN SW2 SW1 WHI ORA WHI YEL WHI RED ON OFF SWITCH SOL SOL SOL BREW FAUCET COLD WATER MIX N GRN K1 K1 WHI VIO BLK BLK BLK BLK BLK BLK BLK BLK 14 BLK 14 BLK...

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