Bunn CRTF5 Manuel d'utilisateur télécharger pdf (Page 29)

Page 29

WARMER ELEMENT(S)

Location:

The warmer elements are located under the warmer

plates.

Test Procedures:

1. Disconnect the brewer from the power source.

2. Use the white or red wire to the terminal block and

the white/red, yellow, white/violet, brown/black or

violet wire to the "ON/OFF" switch.

3. With a voltmeter, check voltage across the white or

red and white/red, yellow, white/violet,brown/black

or violet with the "ON/OFF" switch in the

"ON" position. The indication must be:

a) 120 volts ac for two wire 120 volt models and

three wire 120/240 volt models.

b) 200 to 240 volts ac for two wire 200 or 240 volt

models.

4. Disconnect the brewer from the power source.

If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to wiring

diagrams and check brewer wiring harness.

FIG. 22 WARMER ELEMENTS

P939

P1261

FIG. 23 WARMER ELEMENT TERMINALS

SERVICE (cont.)

5. Check the continuity across the two terminals on

the warmer element.

If continuity is present as described, reconnect the

wires on the warmer element.

If continuity is not present as described, replace the

warmer element.

Removal and Replacement:

1. Remove the three #4-40 screws securing 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. Reconnect the two wires to warmer element termi-

nals.

7. Securely install warmer assembly on the brewer.

8. Refer to Fig. 23 when reconnecting the wires.

10478 061500

WHI/RED to ON/OFF Switch (Center Warmer)

YEL to ON/OFF Switch (Left Front Warmer)

WHI/VIO to ON/OFF Switch (Left Rear Warmer)

BRN/BLk to ON/OFF Switch (Right Front Warmer)

VIO to ON/OFF Switch (Right Rear Warmer)

WHI to Terminal Block (120V or

120/240V Brewers)

RED to Terminal Block (200V or

240V Brewers

1 2 ... 24 25 26 27 28 29 30 31 32

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Bunn CRTF5 Manuel d'utilisateur Page 29

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