PreRelease Manual PN 119985 Rev 09-26-05 Firmware Rev 3
20:1 Brewer Operation and Service Manual
Model Height Width Depth US 120 V Canada 120
240 V
V
20:1 17-7/8 8-1/2 19-1/4 14.6A 11.7A 14.6A
20:1-TD 24-3/16 8-1/2 19-1/4 14.6A 11.7A 14.6A
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PreRelease Manual PN 119985 Rev 09-26-05 Firmware Rev 3
NB INSTALLATION / SETUP INSTRUCTIONS
WARNING: - Read and follow installation / setup instructions before plugging or wiring in machine to electrical
circuit. Warranty will be void if machine is connected to any voltage other than that specified on the name plate.
Plumber's Installation Instructions
1) Plumb brewer in to water supply using 1/4 inch copper or plastic tubing. Flush water line before installing brewer
to remove sediment. Brewer should be connected to COLD WATER LINE for best operation.
2) Water pressure should be at least 20 lbs. For less than a 25 ft run, use 1/4" tubing and connect to 1/2" or larger
water line. The inlet water fitting on the back of the brewer is a 1/4" flare fitting.
3) If installed with saddle valve, the valve should have a minimum of 1/8" port hole for up to 25 ft run, and 5/16" port
hole for over 25 ft runs.
4) Check for leaks.
Initial Setup Instructions
Ensure power switch on right rear of unit is in the off position. Plug or wire brewer to the appropriate voltage circuit as
indicated on the serial tag. Turn power switch to the on position. Brewer tank will begin to fill. Once the tank is full
the brewer will begin to heat. Ready light will come on to indicate tank has finished heating.
CAUTION: The water faucet will dispense hot water anytime the handle is pulled.
Programming
The brewer has two program modes, service mode and user mode. The service mode is used to establish basic
operating parameters of the unit while the user mode allows the three buttons to be programmed for brewing into
various containers or for varying beverage volumes. Programming mode is initiated as outline below. The following
will outline the various steps as displayed by the programming “screens”. The screens will loop continuously until
exiting the mode.
Service Mode is entered by holding any two of the buttons on the face of the machine while powering up the brewer.
The brewer firmware revision number is displayed for a couple of seconds when entering this mode. The table below
list the items that may be programmed along with available values or settings. Use the center brew button to advance
through the items and the left and right button to decrement or increment the values/selection respectively. These
items are programmed at the factory and will typically not need adjustment.
Item Selected Screen
Water Temperature 200 170-205 Degrees F
Probe Std Std, ro Std should be used in all cases except for when connected to a
End of Cycle Beeper On On, OFF Used to audibly indicate brew cycle has completed with a series of
Brew Pump Speed b:05 1-10 Pump speed used for brewing
Not Used F:05 1-10 No effect. Unused feature.
Pump Calibration CAL N/A See instructions below. Must be done if pump speed modified.
Volume Delivered
During Calibration Step
Service Data Srv N/A
Exit End N/A Use left or right button when displayed to exit this mode.
Pump calibration is necessary when the pump speed is changed or if the brewer is delivering substantially more or
less beverage than what it has been programmed for in the user mode. Pump speed may be adjusted up or down if
required to deliver water at a faster or slower rate to meet a specific beverage taste profile. Calibration tells the
brewer control how much hot water is delivered within a specific time frame so it can adjust the time required to run to
deliver the desired brew volumes.
Example
39.0 16.0-99.9 Ounces. Only displays if calibration cycle was run.
Values
Available
Comment
reverse osmosis system.
beeps.
Used to view temperature & probe data. See Service Data below.
Continued on next page
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PreRelease Manual PN 119985 Rev 09-26-05 Firmware Rev 3
Ensure the brew basket is in place. Place a suitably graduated container in place below the brew basket to capture
and measure the water delivered. To calibrate, enter the service mode as noted above and advance to the “CAL”
screen. Press either the left or right brew button and water delivery will begin. If the brewer has not reached
operating temperature, it will finish heating before automatically starting. The pump will cycle on and off for
approximately 2 minutes at which time the currently programmed volume is displayed. Use the left and right button to
decrement or increment the value to the measured value. For better accuracy, you may want to measure a couple of
cycles and average the measured values. Note that user mode will be entered automatically when exiting the service
mode if calibration values have been changed.
Service Data consist of the tank temperature as measured at two points in the tank and an indication as to which
probe(s) are making contact with the water. To view data, enter the service mode as noted above and advance to
the “Srv” screen. Use the left or right button to enter service data mode. Use the center button to advance through
the data. The table below list the data that is displayed.
Data displayed Screen
Example
Lower Temperature 198 N/A Degrees F
Upper Temperature
20
.
0
Values
Comment
Available
N/A Degrees F
Probes 1:Sr S,r,Sr Displays probes in contact with the water; Standard, RO or Both.
Exit End N/A Use left or right button when displayed to exit this mode.
User Mode is entered by holding any of the buttons on the face of the machine while powering up the brewer. Note
that the user mode is also automatically entered whenever the calibration volume setting is changed. The beverage
volume, brew time, and visa-brew time can be programmed for each of the three buttons on the face of the brewer.
The brewer will determine the minimum brew time possible based on pump speed and calibration values as outlined
previously. This time is set as the default whenever calibration values are changed. The brew time can be extended
to lengthen the water delivery time to meet a specific beverage taste profile. The table below list the data displayed
and values available.
Data displayed Screen
Example
Values
Available
Comment
Brew 1 Settings b1 N/A Displays briefly to indicate that the parameters are for brew
button 1 (left)
Brew 1 Volume 64 Off, 30-128 Ounces. Button can be turned off and will serve as cancel only.
Brew 1 Time 3:30 Min-9:59 Calculated minimum to 9 minutes and 59 seconds.
Visa-brew 1 Time 0:30 0:00-4:00 Set to allow for beverage to finish dripping from basket after
water delivery time has been completed.
Brew 2 Settings B2 N/A Displays briefly to indicate that the parameters are for brew
button 2 (center)
Brew 2 Volume 64 Off, 30-128 Ounces. Button can be turned off and will serve as cancel only.
Brew 2 Time 3:30 Min-9:59 Calculated minimum to 9 minutes and 59 seconds.
Visa-brew 2 Time 0:30 0:00-4:00 Set to allow for beverage to finish dripping from basket after
water delivery time has been completed.
Brew 3 Settings b1 N/A Displays briefly to indicate that the parameters are for brew
button 3 (right)
Brew 3 Volume 64 Off, 30-128 Ounces. Button can be turned off and will serve as cancel only.
Brew 3 Time 3:30 Min-9:59 Calculated minimum to 9 minutes and 59 seconds.
Visa-brew 3 Time 0:30 0:00-4:00 Set to allow for beverage to finish dripping from basket after
water delivery time has been completed.
Exit End N/A Use left or right button when displayed to exit this mode.
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