Wilbur Curtis Gem-12D User Manual
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WARNING HOT LIQUID,
Scalding may occur.
Avoid splashing.
CAUTION: CAUTION:
CAUTION: Please use
CAUTION: CAUTION:
this setup procedure
this brewer. Failure to follow the
instructions can result in injury or
the voiding of the warranty.
applicable federal, state, or local
plumbing/electrical codes having
jurisdiction.
is not rated for hot water.
before attempting to use
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Equipment to be
installed to comply with
CAUTION: CAUTION:
CAUTION: DO NOT
CAUTION: CAUTION:
connect this brewer to
hot water. The inlet valve
WARNINGWARNING
WARNING TO AVOID
WARNINGWARNING
SCALDING, Do not
remove brewcone while
brew light is flashing.
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Gem-12D Digital Brewer – Instructions
This appliance is designed for commercial use. Any servicing other than cleaning and maintenance should be performed by an
authorized Wilbur Curtis service center.
• Do NOT immerse the unit in water or any other liquid
• To reduce the risk of fire or electric shock, do NOT open top panel. No user serviceable parts inside. Repair should be done
only by authorized service personnel.
• Keep hands and other items away from hot parts of unit during operation.
• Never clean with scouring powders, bleach or harsh implements.
ConventionsConventions
Conventions
ConventionsConventions
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ARNINGS – ARNINGS –
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ARNINGS –
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ARNINGS – ARNINGS –
Important Notes/Cautions – from the factoryImportant Notes/Cautions – from the factory
Important Notes/Cautions – from the factory
Important Notes/Cautions – from the factoryImportant Notes/Cautions – from the factory
Sanitation RequirementsSanitation Requirements
Sanitation Requirements
Sanitation RequirementsSanitation Requirements
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Following are the Factory Settings for your interLock Coffee Brewing Systems:
System Requirements:
SETUP STEPSSETUP STEPS
SETUP STEPS
SETUP STEPSSETUP STEPS
The unit should be level (left to right and front to back), located on a solid counter top. Connect a water line from the water filter
to the brewer. NOTE: Some type of water filtration device must be used to maintain a trouble-free operation. (In areas with
extremely hard water, we suggest that a sedimentary and taste & odor filter be installed.) This will prolong the life of your brewing
system and enhance coffee quality.
1. A 3/8” NPT x 1/4” Flare elbow has been supplied for water line connection. Use tubing sized sufficiently to provide a
minimum of 1.0 GPM.
2. To hookup the InterLock grinder, Locate the jack labeled “Class 2 Wiring Only” on brewer and grinder. Connect the two with
the cable plug.
3. Connect the unit to an appropriate electrical power circuit.
4. Turn on the toggle (STANDBY/ON) switch behind the unit. The heating tank will start to fill. When the water level in the
tank rises to the correct volume, the heating elements will energize automatically. With ADS Systems there is no danger
of element burnout caused by an empty tank.
5. The heating tank will require 20 to 30 minutes to reach operating temperature (200°F) as indicated by the READY-TOBREW indicator.
6. Prior to brewing, dispense 12 ounces of hot water through the hot water faucet.
7. Brew a cycle of at least 12 ounces, to purge the water lines of any air that may be trapped after filling.
BREWING INSTRUCTIONSBREWING INSTRUCTIONS
BREWING INSTRUCTIONS
BREWING INSTRUCTIONSBREWING INSTRUCTIONS
1. Brewer should be ON (Confirm at rear toggle switch, then press the ON/OFF button). Ready-to-Brew should be ON.
2. Place an empty Satellite on the warmer deck, under the brewcone and press the warmer switch.
ADS System is FADS System is F
ADS System is F
ADS System is FADS System is F
• Brew • Brew
TT
• Brew
• Brew • Brew
• Brew Volume = • Brew Volume =
• Brew Volume = Set to 36 cup vessel requirements.
• Brew Volume = • Brew Volume =
• Water Source• Water Source
• Water Source 20 – 100 PSI (Minimum Flow Rate of 1 GPM)
• Water Source• Water Source
• Electrical:• Electrical:
• Electrical: See attached schematic for standard model or visit www.wilburcurtis.com for your model.
• Electrical:• Electrical:
The National Sanitation Foundation requires the following water connection:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) so that the machine can be moved
2. In some areas an approved backflow prevention device may be required between the brewer and the water supply.
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• Water Bypass = • Water Bypass =
• Water Bypass = ON - Recommended, 36 cup brew
• Water Bypass = • Water Bypass =
• Sleep Mode = • Sleep Mode =
• Sleep Mode = Off
• Sleep Mode = • Sleep Mode =
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ISO 9001 REGISTERED
WILBUR CURTIS COMPANY
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3. Place a clean filter
into the brewcone.
FOR THE LATEST SPECIFICATIONS AND INFORMATION GO TO
4. Fill brewcone with
ground coffee.
WWW.WILBURCURTIS.COM
5. Transfer filled
brewcone to
brewer.
6. Press Brew button.
Brewing will begin
immediately.
1
STEPS TO
PROGRAMMING
WARNING These steps
involve working with hot
water. Scalding may occur if
care is not taken against spilling.
ENTERING THE PROGRAM MODE #1
Turn OFF the power from the Control Panel by pressing .
Press and HOLD and press and RELEASE .
Continue HOLDING until starts blinking; RELEASE.
ENTER THE PROGRAM MODE #2
Turn OFF the power from the Control Panel by pressing .
Press and HOLD and press and RELEASE .
Continue HOLDING until STOPS blinking; RELEASE.
PROGRAMMING ONLY REQUIRED IF FACTORY SETTINGS MUST BE CHANGED
IMPORTANT – Before entering the program mode, allow the unit to reach brewing temperature, then press the
BREW button to dispense at least 12 ounces of water to clear any air that may be trapped within the water lines.
NOTE: NOTE:
NOTE: For ALL functions you must first enter the programming mode.
NOTE: NOTE:
Brew Temperature – Factory Pre-Set to 200°F
Function to set brew temperature, 170° to 204°F. Brew temperature will be indicated by READY-TO-BREW light
blinking.
READY TO BREW
BREW VOLUME - Factory Preset to Brewer Requirements
BREW CYCLE COUNTER
READY TO BREW
CONFIRM/RESET BREW TEMPERATURE - Factory Preset to 200º
ENTER THE PROGRAMMING MODE #1:
Press for two seconds, then RELEASE.
will start blinking. Each blink equals 2º F, starting at 170º.
READY TO BREW
To change Temperature, press and HOLD .
.
will start QUICK flashing. Each QUICK flash equals 2º F.
READY TO BREW
After reaching 204º, temperature starts over at 170º.
RELEASE when the desired temperature is reached.
To set and exit, press .
CHANGE BREW VOLUME
ENTER THE PROGRAMMING MODE #1
Press and HOLD until hot water starts running from sprayhead; then RELEASE.
When desired volume is reached, press again to stop flow.
To set and exit, press .
TO ACCESS BREW CYCLE COUNTER
ENTER THE PROGRAMMING MODE #2:
will now start a pattern of LONG and SHORT blinks.
READY TO BREW
This pattern identifies the number of brew cycles. SHORT blinks indicate the brew number from one [1] to
nine [9]. LONG blinks separate the 1’s, 10’s, 1,000’s and 10,000’s.
SLEEP MODE (220V Models Only) – Factory Preset to Disabled
This function conserves energy by automatically reducing tank temperature to 140º F when the unit sits idle for
more than two hours. To recover, simply press any BREW (or Grind button if InterLocked) or ON/OFF button. Once the
water in the tank reaches brewing temperature, the brew cycle will automatically start. Recovery is indicated by a
yellow RECOVERY light on the membrane control panel. Recovering from a SLEEP mode is faster and more efficient
than heating after switching off the power.
SLEEP MODE – Factory Preset to DISABLED
To ENABLE Sleep Mode:
UNIT MUST BE ON. Press and HOLD until SLEEP light turns ON; press again.
Sleep Mode is now ENABLED.
To DISABLE Sleep Mode:
UNIT MUST BE ON. Press and HOLD until SLEEP light turns OFF;press again.
Sleep Mode is now ENABLED.
WARMERS
BYPASS FLOW ADJUSTMENTBYPASS FLOW ADJUSTMENT
BYPASS FLOW ADJUSTMENT
BYPASS FLOW ADJUSTMENTBYPASS FLOW ADJUSTMENT
2
Adjusting the Temperature
Gemini Warmers feature three temperature settings. Warmers are rated at 100W with High (100%); Med (60%);
Low (30%).
Pressing the WARMER button once will place it on HIGH; A second time MED; Third time LOW as indicated by
the warmer lights. A fourth press of the warmer button turns off the warmer.
When the system is turned off at the ON/OFF button, it will remember the last warmer setting. Additionally, if the
warmer is off, the unit is designed to automatically turn the warmer on (MED setting) when the next brew cycle is
started.
1. Slide brew cone out to expose bypass outlet. Place one measuring cup under the bypass fitting, and
another measuring cup under the brew cone outlet. Press the LARGE brew button for 15 seconds, then press
the ON/OFF button to stop the brew cycle.
2. Divide the number of ounces collected from the bypass outlet into the total ounces collected from the
sprayhead and bypass. This will determine the percentage of bypass.
3. To increase or decrease the volume of bypass water, turn the adjustment screw on the bypass valve as
indicated. Clockwise for less water; counterclockwise for more water.
4. You must reprogram the brew volume to maintain the proper total amount of coffee brewed into the insulated
server. Reprogramming is required every time you make a bypass adjustment or change to a different
sprayhead.
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