Bunn CRTF5, CRT5 DIGITAL BREW TIMER Late Modelscont, To increase a brew volume, place the ON/OFF

SERVICE (cont.)
DIGITAL BREW TIMER (Late Models)(cont.)		until three distinct clicks are heard and then release
4. Attach all wires to the replacement timer board
		the switch. (Failure to release the switch within two
	prior to installation to the component mounting	seconds after the third click causes the volume set-
	bracket. Refer to FIG. 21 when reconnecting the	ting to be aborted and previous volume setting will
	wires.	remain in memory.
5.	Install new circuit board with spacers (as re-	View the level of the liquid being dispensed. When
	quired) to the component mounting bracket.	the desired level is reached, turn the ON/OFF switch
6.	Adjust the timer as described below.	to “OFF”.
Timer Setting:		NOTE: Several ounces of water will continue to sy-
		phon from the tank after turning the switch “OFF”.
NOTE: Prior to setting or modifying volumes, check		The brewer remembers this volume and will continue
that the brewer is connected to water supply, the tank		to brew batches of this size until the volume setting
is properly filled, and a funnel and server are in place.		procedure is repeated.
NOTE: All volume settings must be done with the		NOTE: When brewing coffee, volume will decrease due
sprayhead installed.		to absorption by the coffee grounds.
1. Modifying brew volumes. To modify a brew vol-		3. Setting programming disable feature. If it be-
ume, first check that the SET/LOCK switch is in the		comes necessary to prevent anyone from changing
“SET” position on the circuit board.		brew time once programmed, you can set the SET/
	To increase a brew volume, place the ON/OFF	LOCK switch to the “LOCK” position. This will pre-
		vent any further programming until switch is once
switch in the “ON” position, press and hold the START		again put into the “SET” position.
switch until three clicks are heard. Release the switch
and press it again one or more times. (Failure to re-
lease the switch within two seconds after the third
click causes the volume setting to be aborted and pre-
vious volume setting will remain in memory) Each time
the switch is pressed, two seconds are added to the
brew time period. Allow the brew cycle to finish in
order to verify that the desired volume has been
achieved.
	To decrease a brew volume, place the ON/OFF
switch in the “ON” position, press and release the
START switch once for every two-second interval to
be removed from the total brew time period; then im-
mediately press and hold down the START switch until
three clicks are heard. Release the switch. (Failure to
release the switch within two seconds after the third
click causes the volume setting to be aborted and pre-
vious volume setting will remain in memory). Allow
the brew cycle to finish in order to verify that the de-
sired volume has been achieved.		BLU/BLK wire from TL5 to P1
2.	Setting brew volumes. To set a brew volume,	WHI/GRN wire from TL4 to (WHI) Solenoid
		WHI/BLU wire from TL3 to (BLK) Solenoid
first check that the SET/LOCK switch is in the “SET”		WHI wire from TL2 to P2
position on the circuit board. Place the ON/OFF switch		BLK wire from TL1 to P3		P2037
in the “ON” position, press and hold the START switch			FIG. 21 DIGITAL TIMER WIRING
				10478 061500
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