Bunn HC-2 Manual De Usuario

19

FIG. 10  FAN

P1199.45

Location:

The fan is located inside the front panel, mounted

on a plate beneath the hopper mounting plate.

Test Procedures:
1.

Disconnect the dispenser from the power source.

2.

Disconnect the black and white wires from the
black leads on the fan.

3.

Check the voltage across the black and white
wires on the main harness or transformer with a
voltmeter. Connect the dispenser to the power
source. The indication must be:
a) 120 volts ac for two wire 120 volts models.
b) 120 volts ac for three wire 120/208 volt or 120/
240 volt models.
c) 120 volts ac for two wire 240 volt models.

If voltage is present as described, replace the fan
If voltage is not present as described, refer to wiring
diagram and check the dispenser wiring harness.

Removal and Replacement:
1. Remove hoppers from the dispenser. Refer to Fig.

2 for hopper removal.

2. Remove the four #8-32 screws securing the hop-

per mounting plate to the front panel and remove
panel.

3. Remove the four screws securing the fan mount-

ing plate to the dispenser front panel.

4. Lift fan mounting plate out of the front panel far

enough so the fan leads can be disconnected from
the main wiring harness.

5. Remove fan mounting plate, fan and exhaust tube

as an assembly.

6. Remove the four #8-32 screws and four #8-32

nuts securing exhaust tube and fan to the bottom
of the fan mounting plate and discard fan.

7. Install new fan and the  exhaust tube to the bottom

of the fan mounting plate using four #8-32 screws
and four #8-32 nuts.

NOTE: Be sure arrow on the new fan is pointing down.

8. Set fan mounting plate with fan and exhaust tube

inside the front panel far enough to connect the
black leads from the fan to the black and white
leads on the main wiring harness.

9. Install fan mounting plate into position and secure

with four #8-32 screws.

10. Install hopper mounting plate using four #8-32

screws.

11. Install hoppers, refer to Fig. 2.

27591 031597