Curtis G4GEMT Service Manual

G4 gemini twin coffee brewer
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Model
G4GEMT
CAUTION: Please use
this setup procedure
before attempting to use
this brewer. Failure to follow the
instructions can result in injury or the
voiding of the warranty.
IMPORTANT: Equipment
to be installed to comply
with applicable govern-
mental plumbing/electrical codes
having jurisdiction.
CAUTION: DO NOT
connect this brewer to hot
water. The inlet valve is
not rated for hot water.
ISO 9001:2008 REGISTERED
WILBUR CURTIS CO., INC.
6913 West Acco Street
Montebello, CA 90640-5403
For the latest information go to
www.wilburcurtis.com
Tel: 800-421-6150
Fax: 323-837-2410
Service Manual – G4 Gemini Twin Coffee Brewer
Important Safeguards/Symbols
This equipment is designed for commercial use. Any servicing other than cleaning and routine maintenance
should be performed by an authorized Wilbur Curtis Company Service Technician.
• DO NOT immerse the unit in water or any other liquid
• To reduce the risk of fire or electric shock, DO NOT open service panels. There are no user serviceable
parts inside.
• Keep hands and other items away from hot areas of the unit during operation.
• Never clean with scouring powders or harsh chemicals.
Symbols:
WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements
This Curtis Generation 4 Unit is Factory Pre-Set and Ready to Go Right from the Box.
Following are the Factory Settings for your G4 Coffee Brewing System:
• Brew Temperature = 200°F
• Brew Volume = Set to Vessel Requirement.
System Requirements:
• Water Source 20 – 90 PSI (Minimum Flow Rate of 1 GPM)
• Electrical: See attached schematic for standard model or visit www.wilburcurtis.com for your model.
SETUP STEPS
1. The unit should be level (left to right - front to back), on a secure surface.
2. Connect the water line to the water inlet fitting on the rear of the unit. Water volume flow to the machine
should be consistent. Use tubing sized sufficiently to provide a minimum flow rate of one gallon per minute.
NOTE: A water filtration system must be used to help maintain trouble-free operation. In areas with
extremely hard water, we highly recommend the use of a Curtis approved water filter. For our full line
of filters, please log on to www.wilburcurtis.com. A water filtration system will greatly prolong the life
of the unit and enhance the quality and taste of the product.
NSF International requires the following water connection:
1. A quick disconnect or additional coiled tubing (at least 2x the depth of the unit) is required so
that the unit can be moved for cleaning.
2. This unit must be installed with adequate backflow protection to comply with applicable federal,
state and local codes.
3. Water pipe connections and fixtures directly connected to a portable water supply shall be sized,
installed and maintained in accordance with federal, state, and local codes.
3. Connect the unit to electrical outlet with appropriate amperage rating (see serial tag on machine).
4. Once power has been supplied to the unit, flip the toggle switch to the 'ON' position (located on the rear of
the unit), the water tank will begin to fill. When the water level in the tank reaches the probe, the heating
element(s) will turn on.
5. Water in the heating tank will require approximately a half hour before reaching operating temperature
(factory setting of 200°F). Where applicable, turn on the Universal Control Module (UCM). When the unit
reaches operating temperature, it will display "READY TO BREW".
For the latest specifications and information go to www.wilburcurtis.com
Technical Support: 1-800-995-0417 M-F 5:30am-4:00pm PT
W
C
C
ilbur
urtis
ompany
• Water Bypass = On for LARGE & MEDIUM Brew Only
Email: techsupport@wilburcurtis.com
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Summary of Contents for Curtis G4GEMT

  • Page 1 Curtis approved water filter. For our full line having jurisdiction. of filters, please log on to www.wilburcurtis.com. A water filtration system will greatly prolong the life of the unit and enhance the quality and taste of the product.
  • Page 2: Coffee Brewing Instructions

    Your Curtis G4/Gold Cup Series is Factory Pre-Set for Optimum Performance. After connection to water and power; turn on the brewer at the rear toggle switch. You will hear a beep and the status lights will come on for a moment.
  • Page 3 PROGRAMMING ACCESS CODE MAIN MENU screen screen. Default is 1 contains five contol 2 3 4. Once the code icons: RECIPES, is entered, press CONTROL SETTINGS, OK. The Main Menu BREW SETTINGS, screen will appear. MODEL SELECT and EXIT. Menu Tree This chart explains how to enter the program mode and menu selections available from the MAIN MENU.
  • Page 4 Menu Features Recipes Control Settings...
  • Page 5 Menu Features Brew Settings...
  • Page 6: System Fault Messages

    System Fault Messages...
  • Page 7 Illustrated Parts Main View...
  • Page 8 Illustrated Parts Top Wrap ITEM NO. PART NO. DESCRIPTION WC-5421-BLK COVER, TOP - PAINTED BLACK TEXTURE PC WC-5421 COVER, TOP STAINLESS GEMTIF WC-37008 KIT, TANK LID ROUND WC-43067* O-RING, 4-1/2 I.D. x Ø.285 C.S. SILICONE WC-5502-01* KIT, PROBE, ASSY WATER LEVEL W/HEX FITTING, O-RING & NUT WC-62033 TANK COMPLETE, GEMTS WITH ULTEM FITTINGS WC- 934-04*...
  • Page 9: Parts List

    SOLENOID, LOCK BREW CONE RIGHT 120VAC WC-2977-101K KIT, SPRAYHEAD FITTING, GASKET & JAM NUT WC-37122* KIT, DUMP VALVE RIGHT WC-39812 LABEL, OUTER TOUCHSCREEN GEMTSG4 CURTIS LOGO WC-10000* CONTROL MODULE, TOUCH SCREEN G4 WC- 844-101* VALVE, BYPASS 120V-14W NON ADJUSTABLE WITH RESTRICTOR (WC-2945)
  • Page 10: Electrical Schematic

    Electrical Schematic...
  • Page 11: Warranty

    Cleaning the Coffee Brewer Regular cleaning and preventive maintenance is essential in keeping your coffee brewer looking and working like new. CAUTION – Do not use cleansers, bleach liquids, powders or any other substance containing chlorine. These products promote corrosion and will pit the stainless steel. USE OF THESE PRODUCTS WILL VOID THE WARRANTY.
  • Page 12 This includes institutional and correctional facilities. The Wilbur Curtis Company will allow up to 100 miles, round trip, per in-warranty service call.

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