Bunn LCA-1, LCR-1 service manual Calibrating the Dispenser, Calibration Mode DESCRIPTION

CALIBRATING THE DISPENSER

NOTE: The LCA/LCR-1 is calibrated at the factory and does not normally need to be re-calibrated. Open the dispenser door to access the digital Programming Switches with LED display. To enter the Calibration Mode, Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position and then hold both Up and Down Arrow switches until “1 r u n” appears of the display, (approx 15 sec).

LED DISPLAY

1 r un

1	2 2
2	r u n
2	7 6 0
3	4 0
4	En g
5	E _ _

CALIBRATION MODE	DESCRIPTION
Pump Cal. Procedure	Set PRIME-NORMAL-RINSE switch
	to PRIME position. Place Graduated
	Cylinder under dispense tip. Press and
	hold Dispense Switch until pump stops
	(20 sec) Refer to Calibration Procedure.
Pump Cal. #	Enter mL collected from the 20 sec.
	test above.
	Default = 22
	Range = 18 - 26mL
Water Flow Rate	Set PRIME-NORMAL-RINSE switch
	to RINSE position. Place Graduated
	Cylinder under dispense tip. Press and
	hold Dispense Switch until pump stops
	(20 sec) Refer to Calibration Procedure.
Water Flow Rate	Enter mL collected from the 20 sec.
	test above.
	Default = 760
	Range = 780 - 820 mLiters
Cabinet Temperature	LCR-1 Only Used to set the Target
	Cabinet Temperature
	Default = 40°F (4°C)
	Range = 35°F - 75°F (2° - 24°C)
English or Metric Mode	Used to select the desired units.
	Default = English
	S.I. for Metric
Error Code Memory	Display cycles through the last (3)
	Error Codes.
	Erase by holding the Decrease (-)
	switches for 10 sec.
	Currently have to hold (+) & (-)

17 44806.1 081211