Bunn FMD-1 User Guide

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J1
FIG. 15 DISPENSE SWITCH TERMINALS
P1449
BLK
RED
SERVICE (cont.)
DISPENSE SWITCH(S) - FMD-1 & FMD-2 (cont.)
LEFT
RIGHT
BLK
RED/WHI
BLK
RED
       ORN
BLU/WHI
     ORN
BLK/WHI
FMD-1
FMD-2
FAN - FMD-1 & FMD-2
FIG. 16  FAN
Location:
 
The fan is located inside the dispenser housing 
on the right rear of the dispenser base plate.
Test Procedures:
1.  Disconnect the dispenser from the power source.
2.  Disconnect the black and white wires from the fan 
terminals.
3.  Check the voltage across the black and white wires 
on the main harness with a voltmeter. Connect the 
dispenser to the power source. The indication must 
be:
 
a) 120 volts ac for two wire 120 volt models.
 
b)  120  volts  ac  for  three  wire  120/208  volt  or 
120/240 volt models.
 
c) 230 volts ac for two wire 230 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.  Disconnect the vacuum hose from the fan.
2.  Remove the two #8-32 locking screws securing the 
fan to the dispenser housing base plate.
3.  Disconnect the wires from the fan terminals and 
discard the fan
4.   Refer to Fig. 17 and connect the wires to the new 
fan.
5.  Install new fan through the rear access hole and 
secure to the dispenser housing base plate using 
two #8-32 locking screws.
6.  Reconnect the vacuum hose to the fan.
P1665
BLK from Control Harness
WHI from Control Harness
FIG. 17 FAN TERMINALS
P1507
29112 091307