Bunn U3A - Manual (Page 21)

Page 21
SERVICE (cont.)
SELECTOR SWITCH (HALF BATCH OPTION)
FIG. 16 SELECTOR SWITCH (HALF BATCH)
P2104.25
Location:
The selector switch is located in the upper center
of the switch mounting panel.
Test Procedures:
1. Disconnect the brewer from the power source.
2. Disconnect the wires from the switch terminals.
3. Check for continuity across the switch terminals
with the switch in the "CLOSED" (left - half) posi-
tion. Continuity must not present when the switch
is in the "OPEN" (right - full) position.
If continuity is present as described, the switch is
operating properly.
If continuity is not present as described, replace the
switch.
GRY to Brew Timer
PNK to Brew Timer
FIG. 17 SELECTOR SWITCH TERMINALS
P2109
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Compress the clips on the back side of the switch
mounting bracket and gently push them through
the opening.
3. Push the new switch into the opening and spread
the clips to hold switch in the mounting bracket.
4. Refer to Fig. 17 and reconnect the wires.
10060.3 070102