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Wilbur Curtis G4GEMT User Manual

Service manual – g4 gemini twin coffee brewer w

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1

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

• Water Bypass = On for LARGE & MEDIUM Brew Only

• 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.

Model

G4GEMT

CAUTION: DO NOT

connect this brewer to hot

water. The inlet valve is

not rated for hot water.

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.

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

For the latest specifications and information go to www.wilburcurtis.com

Technical Support: 1-800-995-0417 M-F 5:30am-4:00pm PT

Email: [email protected]

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.

Important Safeguards/Symbols

Service Manual – G4 Gemini Twin Coffee Brewer

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Symbols:

WARNINGS – To help avoid personal injury
Important Notes/Cautions – from the factory
Sanitation Requirements

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”.

NOTE: A water filtration system must be used to help maintain trouble-free operation. Air must be

purged from the cartridge prior to connection to equipment. 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.

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.