Bunn System III manual Warmer Element, SERVICE cont

SERVICE (cont.)
WARMER ELEMENT		4.	Disconnect wires from the warmer element.
		5.	Check the continuity across the two terminals on
			the warmer element.
		If continuity is present as described, reconnect the
		white or red wire and white/red wires, or the white or
		red wire and white/violet wires on the warmer element.
		If continuity is not present as described, replace the
		warmer element.
		Removal and Replacement:
		1.	Remove the four #6-32 screws securing the base
			(warmer) plate to the brewer housing.
		2.	Turn base plate over and disconnect the two wires
			from the warmer element.
		3.	Remove the #8-32 Keps nut, warmer retainer plate
			and warmer element. Discard warmer element.
		4.	Place new warmer element on the center bottom
			of the base plate with the warmer terminals point-
			ing up and to the rear of the base plate.
		5.	Install warmer retainer plate and warmer element
FIG. 33 WARMER ELEMENT	P1111.35		over the stud in bottom of the base plate, secure
			with #8-32 Keps nut.
Location:		6.	Reconnect the two wires to warmer element termi-
			nals.
The warmer element is located on the bottom the
		7.	Turn base plate over and reinstall with four #6-32
base (warmer) plate.
			screws to the brewer housing.
Test Procedures:		8.	Refer to Fig. 34 when reconnecting wires.

1.Disconnect the brewer from the power source.

2.On 120/208V or 120/240V models, with a voltme- ter, check the voltage across the white wire and the white/violet wire or white/red wire to the ele-

ment with the "ON/OFF (Warmer)" switch in the	WHI/VIO to ON/OFF Switch (Electro/Mechanical)
"ON" (upper) position. On 200V or 240V models,
with a voltmeter, check the voltage across the red	WHI/RED to ON/OFF Switch (DBC)
wire and the white/violet wire or white/red wire
with the "ON/OFF (Warmer)" switch in the "ON"		WHI to Terminal Block (120/208V or 120/
(upper) position. The indication must be:		240V Brewers)
a.)120 volts ac for three wire 120/208 volt models		RED to Terminal Block (200V or 240V
		Brewers
and three wire 120/240 volt models.
b.) 200 to 240 volts ac for two wire 200 or 240 volt
models.
3. Disconnect the brewer from the power source.

If voltage is present as described, proceed to #4.

P1110

If voltage is not present as described, refer to theFIG. 34 WARMER ELEMENT TERMINALS Wiring Diagrams and check brewer wiring harness.

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