Справочник Пользователя для Bunn AF PR-3

13

GRN

PUM

P

#1

PUM

P

#2

10

AM

P

MA

IN O

N/O

FF

SW

ITCH

REF

ILL O

N/O

FF

SW

ITC

H #1

REF

ILL O

N/O

FF

SW

ITC

H #3

REF

ILL O

N/O

FF

SW

ITC

H #2

   J4

-1

       

 2

       

 3

       

 4

       

 5

       

6

       

7

       

8

       

9

J4-1

0

C
I
R
C
U
I
 T 
 
B
O
A
R
D

L1

N

BLK

BLK

BLK

BRN

/BLK

BLK

RED

/BLK

RED

/BLK

BLK

ORN

ORN

ORN

VAC

UUM

SW

ITC

H #2

VAC

UUM

SW

 ITC

H #3

VAC

UUM

SW

ITCH

 #1

BRN

/BLK

WH

I

WH

I

WH

I

WH

I

W
H
I

PUM

P

#3

RED

WH

I

WH

I

VIO
YEL

YEL

YEL

1

4

2

3

1

4

2

3

GRN

GRN

GRN

GRN

RED

BLK

BLK

BLK

BLK

BLK

BLK

1

2

1

2

1

2

1

2

L

H

L

H

PRO

BE

CON

TRO

L

1

PRO

BE

CON

TRO

L

      2

      

1

2

1

2

L

H

PRO

BE

CON

TRO

L

      3

     

288

14.0

003

E   7

/98  

 ©1

998

 BU

NN-O

-MA

TIC C

ORP

ORA

TIO

N

WH

I/RE

D

RED

WH

I/RE

D

GRY

T
A
N

T
A
N

T
A
N

BLU

BLU

BLU

FIG. 16 VACUUM/SUPPLY PUMP ASSEMBLY

P1560

Location:

The vacuum/supply pumps are located inside

the autofill box.

Test Procedure:
1. Disconnect the dispenser from the power source.
2. Disconnect the white wire from the pump lead and

the yellow, orange or red wire from the other lead.

3. Check the voltage across the white wire and yel-

low, orange or red wire with a voltmeter. Connect
the dispenser to the power source. Push the pump
(flavor) switch for the pump to be tested. The
indication must be :

a) 120 volts ac for two wire 120 volt models.
b) 200 to 240 volts ac for two wire 200 or 240 volt
models.

If voltage is present as described, replace the pump.
If voltage is not present as described, refer to the
wiring diagrams and check the main wiring harness.

Pump Removal and Replacement:
1. Disconnect the wires from the pump leads.
2. Disconnect the input and output tubes.
3. Remove the four thumb screws securing the pump

head to the pump body, discard pump head with
tubes.

4. Remove the two #8-32 keps nuts securing the

pump to the main mounting panel.

5. Remove the two #6-32 screws securing the pump

body to the mounting bracket.

6. Remove pump body and discard.
7. Install new pump assembly on the pump mount-

ing bracket and secure with two #6-32 screws.

8. Remove the four thumb screws securing the  new

pump head  with hoses to the new pump body.

9. Using two #6-32 screws mount the pump body on

the pump mounting bracket.

10. Using two #8-32 keps nuts mount the pump body

and bracket to main panel.

11. Install new pump head with hoses to the rear of the

pump body and secure with four thumb screws.

12. Connect the input and output tubes using new

hose  clamps.

13. Refer to Fig 17 and reconnect the wires.