Curtis G4GEMS63A1000 User manual

G4 Gemini®Series
Coffee Brewing System
USER GUIDE
READ AND SAVE THESE INSTRUCTIONS
NOTICE TO INSTALLER: Please leave this booklet with the machine.
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CONTENTS CL21
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Contact Information
Wilbur Curtis Co., Inc.
6913 Acco Street | Montebello, CA 90640 US
Phone: [phone] | Toll Free: 800-421-6150
Email: [email protected] | Web: www.wilburcurtis.com
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Email: [email protected]
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KEY FEATURES/SPECIFICATIONS/SYSTEM REQUIREMENTS FS21
Key Features
• Gold Cup Series™ – digital control module provides precise control over all aspects of brewing: time,
temperature, volume plus specialty coffee needs from pre-infusion to pulse-brewing to water bypass.
• Generation Four (G4) Digital Control Module – Large, 4.3” touch screen. Icon-driven interface streamlines
operation. On-Screen Instructions – Provides fast, intuitive training; reduces service calls.
• Built-in Self Diagnostic System – Includes real-time feedback of the brewing process and energy saving mode.
• Field selectable for 0.5, 1.0 or 1.5 gal. batch brewing.
• Industry’s most effective mineral tolerant design.
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**(06$ Single, 1.5 Gallon 1 PH 120/220 V 15.0/12.7 A 2 X 1600 W 2W/3W + G 1800/3300 W 50/60 Hz 4.5/7.5
**(07$ Twin, 1.5 Gallon 1 PH 220 V 23.6/34.5 A 3 X 2500 W 3W + G 5200/7600 W 50/60 Hz 15.0/21.0
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**(06$ 29.81” 9.11” 22.11” 50.0 lbs 7.00 cu ft µÁDUH
20 - 90 psi 1.0 gpm
**(07$ 30.00” 18.11” 22.06” 81.0 lbs 10.85 cu ft µÁDUH
20 - 90 psi 2.0 gpm
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20 - 90 psi 1.0 gpm
G4GEMS/G4GEMT, KEY FEATURES/SPECS/SYSTEM REQUIREMENTS 122217B
Following are the factory default settings for the Gemini brewer:
• Brew Volume = Large-Medium-Small
• Energy Save Mode = Off
• Brew Temperature = 200°F
• Water Bypass = On LARGE and MEDIUM brew only

IMPORTANT SAFEGUARDS IS2
Symbols
This is the safety alert symbol. It is used to alert you to potential physical injury hazards. Obey all safety
messages that follow this symbol to avoid possible injury or death.
DANGER - Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING - Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION - Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE - Indicates a situation which, if not avoided, could result in property damage.
IMPORTANT - Provides information and tips for proper operation.
SANITATION REQUIREMENTS
Important Safeguards/Conventions
WARNING:
• Make sure that this appliance is installed and grounded according to the INSTALLATION
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INSTRUCTIONS could result in personal injury or void the warranty.
• This appliance is designed for commercial use. Any service other than cleaning and preventive
maintenance should be performed by an authorized Wilbur Curtis service technician.
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serviceable parts inside.
• Keep hands, arms and other items away from hot surfaces of the unit during operation.
• Clean the appliance and any dispensers completelyCFGPSFVTJOHUIFNGPSUIFmSTUUJNFBDDPSEJOHUP
the CLEANING INSTRUCTIONS. Clean them regularly as instructed in the CLEANING INSTRUCTIONS.
• Use this appliance only for its intended use, brewing/dispensing hot and/or cold beverages/water.
• This appliance is not intended for use by persons (including children) with reduced physical, sensory
or mental capabilities or lack of experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a person responsible for their safety. Children should
be supervised to ensure that they do not play with the appliance.
• Avoid spillage onto the power (mains) connector.
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which are known to the State of California to cause cancer and birth defects or other reproductive harm.
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IMPORTANT SAFEGUARDS IS2
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CE Requirements
• This appliance must be installed in locations where it can be overseen by trained personnel.
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• This appliance must not be cleaned by water jet.
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instruction concerning use of the appliance in a safe way and if they understand the hazards involved.
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or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
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• If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personnel
with a special cord available from the manufacturer or its authorized service personnel in order to avoid a
hazard.
• Machine must not be immersed for cleaning.
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supervised.
• This appliance is intended to be used in household and similar applications such as:
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– bed and breakfast type environments.
• This appliance not intended to be used in applications such as:
– farm houses
• Access to the service areas permitted by Authorized Service personnel only.
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INSTALLATION INSTRUCTIONS II2
Installation Instructions
Installation Requirements
• A secure surface capable of supporting the weight of the appliance.
• For units without an attached cord set: Appropriately sized, UL listed, grounding type power cable to meet
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appliance (see SPECIFICATIONS5IFDJSDVJUNVTUCFQSPUFDUFECZUIFBQQSPQSJBUFTJ[FEDJSDVJUCSFBLFS*G
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VOJU4FFUIFSPECIFICATIONS section for the correct size. The water line should also be capable of being
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federal, state and local codes.
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installed and maintained in accordance with federal, state and local codes.
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properly grounded.
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the installation is in compliance with the applicable plumbing/sanitation code for your area.

INSTALLATION INSTRUCTIONS II14
Brew
deck
Front
panel
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label
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block
Installation
Leveling
1 Position the brewer on the counter top. Level it left to
right and front to back by turning the bottom of the
legs.
Connect the Water Supply
2 Flush the water supply line prior to installation to
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3 $POOFDUUIFXBUFSTVQQMZMJOFUPUIFnBSFmUUJOHPO
the back of the brewer. Leave the water supply valve
closed until the power is connected.
Connect the Brewer Wiring
Brewers Without A Cord Set Attached and Dual
Voltage Brewers to be Operated 220 Volts
4 Remove the screws that hold the front cover in place
and remove the cover.
5 Loosen the strain relief on the back of the brewer.
6 On dual voltage units being operated at 220 Volts
(nominal) disconnect the existing power cable from
the terminal block and remove.
7 Feed the 220 Volt power cable into the brewer.
8 On dual voltage units being operated at 220 Volts,
disconnect and cap the jumper wire between the “C”
and “N” terminals on the terminal block.
9 Connect the wires on the power cable to the terminal
block inside the brewer.
10 Tighten the strain relief and replace the front cover.
11 Connect the power cable wires to the terminals in the
junction box. See the ELECTRICAL SCHEMATIC for
the power supply requirements.
WARNING: Use the leveling legs to level the
brewer only. Do not use them to adjust brewer
height. Do not extend them higher than necessary.
WARNING: Turn off power to the junction box at
the circuit breaker panel before connecting the
power cable to the brewer. Lock out and tag the
circuit breaker.
((&.*/45"--"5*0/*/4536$5*0/4ø 122717B

INSTALLATION INSTRUCTIONS II14
Brewers With A Cord Set Attached -
12 Connect the power cord to the appropriate type of
electrical outlet.
Power Up the Brewer
13 Turn on the water supply valve.
14 Make sure that the circuit breaker supplying power to
the unit is on.
15 Turn the toggle switch on the back of the brewer to the
0/QPTJUJPO5IFXBUFSUBOLXJMMTUBSUUPmMM8IJMFUIF
UBOLJTmMMJOHJOTQFDUUIFXBUFSTVQQMZMJOFGPSMFBLT
16 Go to the PROGRAMMING GUIDE section and
program the brewer for the correct model and batch
number.
17 If the UCM is not already lit, push the ON/OFF button
POUIF6$.8IFOUIFXBUFSMFWFMJOUIFUBOLSJTFT
to the correct volume, the heating elements will turn
on automatically. Depending on the incoming water
UFNQFSBUVSFBOEUIFFMFDUSJDBMTQFDJmDBUJPOTUIFXBUFS
tank typically requires 20 to 30 minutes to reach the
GBDUPSZTFUPQFSBUJOHUFNQFSBUVSF8IFOUIFXBUFSIBT
heated, “Ready to Brew” should be on the display.
18 #FGPSFCSFXJOHGPSUIFmSTUUJNFEJTQFOTFPVODFTPG
hot water through the hot water faucet to help purge air
from the tubing inside the brewer.
19 Brew a cycle of at least 12 ounces, to purge any
remaining air from the tubing. See OPERATING
INSTRUCTIONS. During the initial brew cycle and
XIFOFWFSUIFmMUFSJTSFQMBDFEZPVNBZIFBSUIF
TPVOETPGBJSCFJOHQVSHFEGSPNUIFmMUFSUVCJOHBOE
water tank.
Connect the Brewer Wiring (cont.)
WARNING: Connect the power cord to the
appropriate type and size electrical outlet. If the
electrical outlet is not compatible with the power
cord, have it upgraded by a licensed electrician. Do
not modify the power plug. Do not use an extension
cord. Do not use a power cord/plug that is damaged.
IMPORTANT: 8IFOPQFSBUJOHUIFCSFXFSBU
higher elevations, reduce the factory set operating
temperature (200°F) by 2°F for each 1000 feet of
elevation above 4000 feet. See PROGRAMMING
GUIDE.
((&.*/45"--"5*0/*/4536$5*0/4ø 122717B

OPERATING INSTRUCTIONS OI18
Brewing Instructions
The G4 Gemini brewer is factory preset for optimal performance.
((&.4((&.501&3"5*/(*/4536$5*0/4ø "
 Place an empty satellite
under the brew basket. Make
sure the satellite is pushed
all the way back against the
front cover.
3 *OTFSUBDMFBOQBQFSmMUFS
into the brew basket. Fill with
the proper amount of ground
coffee. Level the coffee in the
mMUFS
4 4MJEFUIFmMMFECSFXCBTLFU
into the brew rails under the
control panel. Slide it all the
way back until it stops.
5 )PMEZPVSmOHFSPOUIF
appropriate brew icon. As
soon as you hear the click
of the brew valve, lift your
mOHFS#SFXJOHXJMMCFHJO
The brewer will brew coffee based on the settings programmed into the universal control module (UCM). To
change the settings, see the PROGRAMMING GUIDE section.
 The brewer should be ON.
$POmSNUIJTBUUIFSFBSUPHHMF
switch. “Ready to brew”
should be on the display. If
the brewer is connected to an
inter-lock grinder, the grinder
should be on. When inter-lock
connection is made, grind
coffee at this time.
WARNING - TO AVOID SCALDING, AVOID SPLASHING. Keep body parts clear of the brewer during
CSFXJOH%POPUSFNPWFUIFCSFXCBTLFUXIJMFi#SFXJOHwBQQFBSTPOUIFEJTQMBZ
NOTICE -Do not use IntelliFresh satellites on non-IntelliFresh brewers.
6 If a keypad appears on
the display, the brew code
feature is enabled (default
is off). Brewing will start
immediately after you enter
the brew code. See the
PROGRAMMING GUIDE to
set up/disable the brew code.

NOTICE - Do not use cleaning liquids, compounds or powders containing chlorine (bleach) or corrosives.
5IFTFQSPEVDUTQSPNPUFDPSSPTJPOBOEXJMMEBNBHFUIFmOJTIFT USE OF THESE PRODUCTS WILL VOID
THE WARRANTY.
CLEANING INSTRUCTIONS CI1
Cleaning The Brewer - Daily
BREWERS - GENERIC, CLEANING INSTRUCTIONS 080416B
WARNING: HOT SURFACES - To avoid injury, allow the brewer and dispenser(s) to cool before cleaning.
The brewer should be OFF.5VSOUIFCSFXFSPGGCZnJQQJOHUIFSFBSUPHHMFTXJUDIUPUIF0''QPTJUJPO
1 Remove the dispenser(s). Wipe exterior brewer surfaces with a damp cloth to remove spills and debris.
2 Remove the brew basket(s) and clean them in a mild detergent solution. Use a soft bristled brush for hard to
clean areas. Rinse with clean water, then dry.
3 Wipe the spray head area with a cloth soaked in a mild detergent solution. Rinse with a cloth soaked with
clean water removing any residual detergent. Use a clean, soft cloth to dry.
4 Dump out the drip tray(s) (if applicable). Rinse with clean water, then dry with a soft, clean cloth.
Cleaning The Brewer - Weekly
The brewer should be OFF.5VSOUIFCSFXFSPGGCZnJQQJOHUIFSFBSUPHHMFTXJUDIUPUIF0''QPTJUJPO
1 Remove the spray head(s), unscrewing counterclockwise from the dome plate.
2 Thoroughly clean and rinse the dome plate area.
3 Clean the brew basket rails with a brush soaked with a mild detergent solution. Rinse the area with a cloth
soaked with clean water, removing any residual detergent.
4 Dry the area with a soft, clean cloth.
5 Reattach the spray head(s).
WARNING: DO NOT immerse the brewer in water or any other liquid.

Cleaning the Satellite (Daily)
CLEANING INSTRUCTIONS CI3
GEM SATELLITE, CLEANING INSTRUCTIONS 062817A
WARNING: DO NOT immerse the satellite in water or any other liquid. Do not place the satellite in a dishwasher.
Placing the satellite in a dishwasher will void the warranty.
Cleaning the Liner
1 Prepare a mild solution of detergent and warm water.
Remove the satellite from the brewer and remove the
lid. Rinse.
2 Wash - Wipe the exterior surfaces of the satellite
with a sponge soaked with the detergent solution
to remove spills and debris. Fill the liner with the
detergent solution. Take a sponge brush and scrub
out the stainless steel liner and the lid.
3 Rinse - Rinse with clean, warm water.
4 Sanitize - Sanitize the interior of the satellite and
the lid, using a commercial sanitizer suitable for
food grade applications. Sanitize according to the
directions on the package.
5 Disassemble the faucet - Unscrew the handle/
bonnet assembly from the top of the faucet and
remove it. Inspect the seat cup for wear. Replace the
seat cup if it is damaged.
Disassemble the sight gauge (some versions).
Remove the cap and unscrew the guard, as shown,
to disassemble the gauge. Remove the glass tube.
Inspect it for cracks or chips. If broken, replace the
glass with a new one.
6 Air Dry - Turn the satellite and lid upside down and
allow to air dry.
Cleaning the Faucet Parts and Site Gauge
7 Wash - Wash all faucet and gauge glass parts with
the detergent solution. Clean the inside of the gauge
glass with a gauge brush soaked with detergent
solution.
8 Rinse - Thoroughly rinse all parts with clean, warm
water.
9 Sanitize - After rinsing, place all faucet and gauge
parts in a sink to be sanitized. Immerse them in
a commercial sanitizer suitable for food grade
applications. Sanitize according to the directions on
the package.
continued...
Seat cup
Handle
Bonnet
Cap
Washer
Washer
Glass tube
Site glass guard
WASH
SANITIZE
RINSE

CLEANING INSTRUCTIONS CI3
(&.4"5&--*5&$-&"/*/(*/4536$5*0/4ø "
Cleaning the Faucet Parts and Site Gauge (cont.)
10 Air Dry - Allow all parts to thoroughly air dry.
11 Reassemble - When dry, reassemble the handle/
bonnet. Hand tighten the handle/bonnet onto the
top of the faucet assembly. Reinstall the site gauge
(if applicable). If replacing a broken gauge glass,
carefully remove any traces of glass from the
silicone parts before inserting the new gauge glass
tube. Reinstall the lid.

PROGRAMMING GUIDE PG1
Touchscreen Control Module
The touchscreen turns on whenever power is provided to the brewer and the rear toggle switch is on. The symbol
buttons on the screen control operation and programming. Pressing the on-screen symbols and buttons with
ZPVSmOHFSUJQBDUJWBUFTUIFWBSJPVTGVODUJPOT5IFEFGBVMUTDSFFOBTXFMMBTBEEJUJPOBMDPOUSPMCVUUPOTBSFTIPXO
CFMPX5IFDPOmHVSBUJPOPGUIFEFGBVMUTDSFFOWBSJFTEFQFOEJOHPOUIFCSFXFSNPEFM
2 The ACCESS CODE screen will appear. The
EFGBVMUQBTTDPEFJT0ODFUIFDPEFJT
FOUFSFEQSFTT0,5IF."*/.&/6TDSFFOXJMM
appear. The access code can be reset in the
$POUSPM4FUUJOHTTVCNFOVVOEFS1BTTXPSET
Status lights
Brew Buttons
Curtis logoHome Undo Scroll
left/right
Return to
previous
Control symbols - all
symbols may not be
present at the same
time
Entering Programming Mode
 5BQUIFXIJUF$VSUJTMPHPPOUIFUPVDITDSFFOmWFUJNFTUPFOUFSQSPHSBNNJOHNPEFTFFEJBHSBNBCPWF
 5IF."*/.&/6TDSFFODPOUBJOTBTFSJFTPGTVC
menu icons. The icons vary based on the model
TFMFDUFEVOEFSUIF.PEFM4FMFDUTVCNFOV'PS
UIFCSFXFSUPPQFSBUFQSPQFSMZUIFNPEFMTFMFDUFE
must match the model series on the brewer model
OVNCFSMBCFMBGmYFEUPUIFPVUTJEFPGUIFNBDIJOF
(130(3"..*/((6*%&ø '

PROGRAMMING GUIDE PG1
SELECTIONS FOR
COFFEE BREWER MODELS
SELECTIONS FOR
TEA BREWER MODELS
SELECTIONS FOR
COMBO BREWER
MODELS
Coffee
Gemini
Gemini IF
GEMX
TP
TPX
Milano
Omega
Gourmet Std
Light Roast
Dark Roast
High Yield
Filter Pack
Decaf
Custom Recipe
Model Select Control Settings Brew Settings
Recipes
Tea
Model Select Control Settings Brew Settings Settings Summary
Recipes
Combo
Model Select Control Settings Coffee
Brew Settings
Tea
Brew Settings Settings Summary Exit
Exit
Settings Summary Exit
Tea Recipes Coffee Recipes
Temperature Settings
Warmer Settings*
Quality Timer
Energy Savings
Sounds
Diagnostics
Display Settings
Preventative Maintenance
Brew Counter
Passwords
Master Reset
Regional Settings
Filter Pre-Wet*
Satellite LED Color*
Rinse Volume*
Custom Recipes
Chemex
V60
Kalita
Brew Basket
Custom Recipes
TP1G
TPX1G
Single
Twin
Single
Twin
One Batch
Two Batch
Three Batch
One Batch
Two Batch
Three Batch
See Brew
Settings
One Batch
One Batch
Two Batch
Seraphim Twin Paper Cup
Gold Cup
By Volume/Time
Pre/Pulse
Bypass
Drip Out
Tea/IC-1Batch
Tea/IC-2Batch
Tea/IC-3Batch
Tea/IC-4Batch
Tea-Sweet
Dual-Dilution
Dual-Sweet
Standard-Purple
Standard-Gray
Standard-Amber
Tropical-Purple
Tropical-Gray
76/308-Purple
76/308-Gray
Temperature Settings
Quality Timer
Energy Savings
Sounds
Diagnostics
Display Settings
Preventative Maintenance
Brew Counter
Passwords
Master Reset
Regional Settings
Full Only
Full & Half
By Volume/Time
Dilution by Volume/Time
Dilution Delay/Stir/Fast-Brew
Pulses
Drip-Out
Sweetener*
Combo
Combo/IC
Combo-Sweet
Standard-Purple
Standard-Gray
Standard-Amber
Tropical-Purple
Tropical-Gray
76/308-Purple
76/308-Gray
Standard-Amber
Tropical-Amber
76/308-Amber
Standard-Purple
Standard-Amber
Gourmet Std
Light Roast
Dark Roast
High Yield
Filter Pack
Decaf
Temperature
Quality Timer
Energy Savings
Sounds
Diagnostics
Display Settings
Preventative Maintenance
Brew Counter
Passwords
Master Reset
Regional Settings
Full Only
Full & Half
Combo HV
Combo HV/IC
Single
Twin
By Volume/Time
Dilution by Volume/Time
Dilution Delay
Pulses
Drip-Out
By Volume/Time
Pre/Pulse
Bypass
Drip-Out
Pulses
Sprayhead Types
Batch Size
Sprayhead Types
Single
Twin
Ceramic Cup
Paper Cup
Filter pack
One Batch
Two Batch
Three Batch
®
™
™
®
®
Programming
4IPXOCFMPXBSFUIFWBSJPVTQSPHSBNNJOHPQUJPOTBWBJMBCMFJOUIFQSPHSBNNJOH."*/.&/65IFJDPOTUIBUBQQFBSWBSZ
CBTFEPOUIFCSFXFSNPEFMTFMFDUFEVOEFS.PEFM4FMFDU
'FBUVSFOPUBWBJMBCMFPOTPNFNPEFMT
(130(3"..*/((6*%&ø '

PROGRAMMING GUIDE PG1
USB - Easy Programming
5IFSFBSFUXPNFUIPETGPSDIBOHJOHUIFEFGBVMUTFUUJOHTPO(CSFXFST5IFTFUUJOHTDBO
CFQSPHSBNNFENBOVBMMZVTJOHUIFCSFXFSUPVDITDSFFOPSBVUPNBUJDBMMZVTJOHUIF64#
6OJWFSTBM4FSJBM#VTEBUBQPSUPOUIFTJEFPGUIFCSFXFS6TJOHUIF64#DPOOFDUJPOBOE
BnBTIESJWFFBTJMZSFQSPHSBNTUIFTFUUJOHTCZTJNQMZDPQZJOHEBUB
"nBTIESJWFDBODPQZBMMPGUIFTFUUJOHTGSPNPOFJEFOUJDBM(CSFXFSUPBOPUIFS%PJOHTPFMJNJOBUFTUIFOFFEUP
program each step individually using the touchscreen. This process also makes it easy to quickly standardize the
QSPHSBNTFUUJOHTPONVMUJQMF(CSFXFST
6TFBnBTIESJWFUIBUTVQQPSUT64#PSBCPWFBOEIBTBUZQF"64#DPOOFDUJPO5IFTUPSBHFDBQBDJUZNVTU
CF(#NJOJNVN
IMPORTANT:5IFnBTIESJWFNVTUCFcompletelyCMBOL&SBTFBOZFYJTUJOHmMFTPOUIFESJWFCFGPSF
TUBSUJOHUIFGPMMPXJOHQSPDFTT
Uploading the Software to the Flash Drive
 .BLFTVSFUIFCSFXFSJTPO$IFDLUPNBLFTVSFUIBUUIFCSFXFSZPVBSFDPQZJOHTFUUJOHTGSPNJTQSPHSBNNFE
as desired.
2 0QFOUIFDPWFSPOUIF64#QPSUBOEJOTFSUUIFDPOOFDUPSPOUIFFNQUZnBTIESJWF5IFQPSUJTMPDBUFEPOUIF
SJHIUTJEFQBOFMPGUIFCSFXFSOFBSUIFUPQ5IFVOJWFSTBMDPOUSPMNPEVMF6$.XJMMVQMPBEBMMPGUIFTFUVQ
EBUBPOUPUIFnBTIESJWF5IFZFMMPX-&%JDPOPOUIFUPQMFGUPGUIFUPVDITDSFFOXJMMMJHIUJOEJDBUJOHUIBUEBUBJT
USBOTGFSSJOH5IJTQSPDFTTXJMMPOMZUBLFBTFDPOEUPDPNQMFUF
Downloading the Software to the Brewer from the Flash Drive
 Select the (identical) brewer you wish to make program changes to. The brewer must be on.
2 1MVHUIFMPBEFEnBTIESJWFJOUPUIF64#QPSUPOUIFCSFXFS5IFEBUBDPQJFEGSPNUIFmSTUCSFXFSXJMM
BVUPNBUJDBMMZEPXOMPBEPWFSXSJUJOHBMMUIFTFUUJOHTUIBUXFSFPOUIFTFDPOECSFXFS
 5IFSFE-&%POUIFUPQMFGUPGUIFUPVDITDSFFOXJMMJOEJDBUFUIBUUIFEPXOMPBEJTJOQSPDFTT5IJTXJMMPOMZUBLF
a second.
 0ODFUIFEPXOMPBEJTDPNQMFUFUIF6$.XJMMSFCPPUTPUIBUUIFDIBOHFTUBLFFGGFDU
 3FNPWFUIFnBTIESJWF5IFEPXOMPBEJTDPNQMFUF5IFEBUBPOUIFnBTIESJWFDBODPOUJOVFUPCFEPXOMPBEFE
into as many identical brewers as needed.
USB File Transfer
5IJTTDSFFOXJMMCFQSFTFOUXIFOFWFSUIF64#nBTIESJWFJTJOTFSUFE
provided the brewer is not currently brewing.
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(130(3"..*/((6*%&ø '

ROUGH-IN DRAWINGS RD27
G4GEMT - Twin Coffee Brewer
G4GEMS - Single Coffee Brewer
G4GEMS/G4GEMT, ROUGH-IN DRAWING 112117C
11.90 in
[30.2 cm]
5.72 in
[14.5 cm]
5.50 in
[14.0 cm]
7.00 in
[17.7 cm]
6.89in
[17.5 cm]
29.81 in
[75.7 cm]
30.00 in
[76.2 cm]
22.11 in
[56.2 cm]
22.06 in
[56.0 cm]
4.00 in
[10.2 cm]
4.00 in
[10.2 cm]
9.11 in
[23.1 cm]
11.84in
[30.1 cm] 18.11 in
[46.0 cm]

ILLUSTRATED PARTS LIST IP34
G4GEMS/G4GEMT - GENERIC, ILLUSTRATED PARTS/RECOMMENDED PARTS 051118D
1
5
10
11
24
19
17
18
35
27
22
12
42
38
28
38
26
32
39
20
3A
3B
16A
16B
7A
7B
38
2
6A
6B
21A
21B
30A
30B
31A
31B
40
37
37
9
8
36
13 15
38
41
G4GEMS - Main Chassis - Exploded View
Water tanks assemblies:
- Domestic, see section IP32
- Export, see section IP31
4A
4B
23
33
34A
34B
25A
25B
14A
14B
A
29A
29B
See satellite user guide for
satellite replacement parts.

ILLUSTRATED PARTS LIST IP34
G4GEMS/G4GEMT - GENERIC, ILLUSTRATED PARTS/RECOMMENDED PARTS 051118D
ITEM # PART # DESCRIPTION
1 GEM-3 SATELLITE SERVER, 1-1/2 GAL.
2 WC-58117 COVER, TOP ALPGT/D500GT/D60GT TLP/TCTS/
CBS/GEMSS
3Aa* WC-844-101 VALVE, BY-PASS, NON-ADJUSTABLE WITH
RESTRICTOR (WC-2945)
3BbWC-844-102 VALVE, BY-PASS, 240V NON-ADJUSTABLE W/
RESTRICTOR (WC-2945)
4A* WC-2977K1KIT, SPRAYHEAD FITTING METAL
4B WC-2977-101K2KIT, SPRAYHEAD FITTING PLASTIC
5 WC-3417-P BREW CONE,ASSY W/SPLASH POCKET BRWN
STYLIZED GEMIN HOT COFFEE
6AaWC-442 SOLENOID, LOCK BREW CONE RIGHT/LEFT
120V TP2T/TP2S/GEMSS/GEM
6BbWC-446 SOLENOID, LOCK BREW CONE RIGHT 220V
THERMOPRO/GEMTS
7Aa* WC-820WDR VALVE, DUMP RIGHT 120V 12W W/INTERNAL
RESISTOR & DIODE
7BbWC-854 VALVE, BREW DUMP RIGHT 240V 12W GEM12D/
TP/TPC
8 WC-10000 CONTROL MODULE, TOUCH SCREEN G4
9 WC-10001 CONTROL MODULE, UPM 120/220V G4
10* WC-8559 RELAY, SOLID STATE 280V/40A W/ HEATSINK
AND QUICK DISCONNECTS
11 WC-61396 COVER, FRONT SS/STL GEMSS
12 WC-39448 LABEL, BOTTOM WRAP GEMSS
13* WC-1809-P FAUCET, PS/HPS SERIES HOT WTR 1/2-20 UNF
AP/ALP
14AaWC-37102 KIT, WARMER ELEMENT 100W 120V GEN USE
14BbWC-973 ELEMENT, WARMER ASSY 100W 220V WITH
SILICONE BOOTS
15* WC-3528 LEG, 4" ADJUSTABLE 3/8-16 THRD ITALIAN
STYLE
16AaWC-589-101 TRANSFORMER,120VAC-24V 4.8A W/ LEADS &
MOLEX CONNECTOR
16BbWC-589-102 TRANSFORMER,240VAC- 24V 4.8VA W/LEADS &
MOLEX CONNECTOR
17* WC-2402P-P ELBOW, 3/8”FL x 3/8” NPT PLATED
18 WC-1501 FUSE, HOLDER ASSY W/5A FUSE
19 WC-14045-101 CURRENT SENSOR ASSY G4
20* WC-103 SWITCH, TOGGLE NON-LIT DPST 25A
125/250VAC RESISTIVE
21Aa* WC-847 VALVE, INLET 2 GPM 120V 10W GEN USE
BROWN BODY
21BbWC-883 VALVE, INLET 2 GPM 240V 6W
ITEM # PART # DESCRIPTION
22* WC-29050 SPRAYHEAD, AMBER ADVANCED FLOW
23* WC-5310 TUBE, 5/16 ID x 1/8W SILICONE
24* WC-5231 COMPOUND, HEAT SINK 5OZ
25A WC-4213-P1NUT, 5/8 LOCK PLATED
25B WC-4212-022NUT, 5/8-18 JAM PLASTIC
26 WC-10008 UNIVERSAL HOST ADAPTER USB
27 WC-5428 DECK, WARMER FORMED MINI-GEMS
28 WC-29044-101 SLEEVE, OVERFLOW
29A* WC-37132
KIT, VALVE REPAIR FOR INVENSYS WC-
820WDR,WC-821WDR, WC-844WDR (OLDER
UNITS)
29B* WC-37132-101 KIT, VALVE REPAIR FOR DELTROL WC-
820WDR,WC-821WDR, WC-844WDR
30AaWC-1200 CORD, 14/3 SJTO 6’ BLK W/PLUG
30BbWC-1231-102 CORD, 2.5 mm² 90ºC 36A 450/750V STRIPPED W/
FERRULES ONE END
31AaWC-13463 HARNESS ASSY, G4GEMSS10/G4GEMS IF
(INCLUDES TERMINAL BLOCK)
31BbWC-13463-101 HARNESS, ASSY G4GEMSIF30 (INCLUDES
TERMINAL BLOCK)
32 WC-1412 CORD GRIP, 3/4” FOR METAL CORD TO .81”OD
33 WC-5350 TUBE, 1/2 ID x 1/8W SILICONE GEN USE
34A WC-43201O’RING, 0.487I.D.x 0.693OD x0.103CS BUNA-N
#112
34B WC-430892GASKET, 1.00OD X .625 I.D. X .030 THK WHITE
EPDM 70 SHORE
35bWC-596K KIT, NOISE FILTER EMI 250V/30A 1PH
36 WC-4458 SCREW, 6-19 x 1/2” PHIL PAN HD TRI-LOBULAR
60-1 THRD FORMING
37 WC-4514 SCREW, 8-32x3/8 PAN HEAD PH SS
38 WC-4426 SCREW, 8-32x3/8 PH HEAD TRUSS
39 WC-4616 SCREW, 1/4-20 x 1/2 PHILLIPS PAN HEAD
STAINLESS STEEL
40 WC-4412 SCREW, 10-32x3/16” PH PN HD MS SS
41 WC-1806 SEAT CUP, SILICONE USE ON WC-1809 FAUCET
42 WC-314 POWER BLOCK, 5 STATION
G4GEMS - Main Chassis - Parts List
a Domestic units
b Export units
18QLWVEXLOWDQGODWHU6WDLQOHVVVWHHOÀWWLQJNLW$LVFRPSDWLEOHZLWKROGHUXQLWV
2Units built before 05/15/17.
5HFRPPHQGHGSDUWVWRVWRFN

ILLUSTRATED PARTS/RECOMMENDED PARTS IP34
G4GEMS/G4GEMT - GENERIC, ILLUSTRATED PARTS/RECOMMENDED PARTS 051118D
20
37
29
2
3
5
17
7
12
1
26
31
33
23
18
19
15
34
21
22
8
27
41
16
24
28
G4GEMT - Main Chassis - Exploded View
Water tank assembly,
see section IP26
11
13
4A
4B
39
38
38
37
38
40
35A
35B
14
38
32A
32B
36
9
10
25
30
A
6A
6B
See satellite user guide for
satellite replacement parts.
42

ILLUSTRATED PARTS LIST IP34
G4GEMS/G4GEMT - GENERIC, ILLUSTRATED PARTS/RECOMMENDED PARTS 051118D
ITEM # PART # DESCRIPTION
1 GEM-3 SATELLITE SERVER, 1-1/2 GAL.
2* WC-821WDR VALVE, DUMP LEFT 120V 12W W/INTERNAL
RESISTOR & DIODE
3 WC-442 SOLENOID, LOCK BREW CONE RIGHT/LEFT
120V TP2T/TP2S/GEMSS/GEM
4A* WC-2977K1KIT, SPRAYHEAD FITTING METAL
4B WC-2977-101K2KIT, SPRAYHEAD FITTING PLASTIC
5* WC-844-101 VALVE, BY-PASS, NON-ADJUSTABLE WITH
RESTRICTOR (WC-2945)
6A* WC-37132
KIT, VALVE REPAIR FOR INVENSYS WC-
820WDR,WC-821WDR, WC-844WDR (OLDER
UNITS)
6B* WC-37132-101 KIT, VALVE REPAIR FOR DELTROL WC-
820WDR,WC-821WDR, WC-844WDR
7 WC-10000 CONTROL MODULE, TOUCH SCREEN G4
8 WC-10001 CONTROL MODULE, UPM 120/220V G4
9* WC-29050 SPRAYHEAD, AMBER ADVANCED FLOW
10* WC-8559 RELAY, SOLID STATE 280V/40A W/ HEATSINK
AND QUICK DISCONNECTS
11* WC-3417-P BREW CONE,ASSY W/SPLASH POCKET BRWN
STYLIZED GEMIN HOT COFFEE
12 WC-39462 LABEL, BOTTOM PANEL GEMTS
13 WC-61393 COVER, FRONT W/A GEMTS TALL
312IL/612IL/12ILD/612ILD
14 WC-61674 BRACKET, BREWCONE ALIGNMENT USE ON
WC-37310
15 WC-14045-101 CURRENT SENSOR ASSY G4
16 WC-5423 DECK, WARMER W/ASSY GEM12
17 WC-29044-101 SLEEVE, OVERFLOW
18* WC-2402P-P ELBOW, 3/8”FL x 3/8” NPT PLATED
19* WC-847 VALVE, INLET 2 GPM 120V 10W GEN USE
BROWN BODY
20* WC-820WDR VALVE, DUMP RIGHT 120V 12W W/INTERNAL
RESISTOR & DIODE
21* WC-1501 FUSE, HOLDER ASSY W/5A FUSE
ITEM # PART # DESCRIPTION
22* WC-102 SWITCH, TOGGLE NON-LIT SPST 15A 125/6A
250VAC RESISTIVE
23 WC-5421 COVER, TOP SS GEM-12D GEM-
612ILD,TL9002,312IL
24* WC-3528 LEG, 4” ADJUSTABLE 3/8-16 THRD ITALIAN
STYLE
25* WC-1809-P FAUCET, PS/HPS SERIES HOT WTR 1/2-20 UNF
AP/ALP
26* WC-5310 TUBE, 5/16 ID x 1/8W SILICONE GEN USE
27* WC-5231 COMPOUND, SILICONE 5 OZ
28 WC-37102 KIT, WARMER ELEMENT 100W 120V GEN USE
29 WC-589-101 TRANSFORMER,120VAC-24V 4.8A W/ LEADS &
MOLEX CONNECTOR
30 WC-10008 UNIVERSAL HOST ADAPTER USB
31* WC-5350 TUBE, 1/2 ID x 1/8W SILICONE GEN USE
32A WC-4213-P1NUT, 5/8 LOCK PLATED
32B WC-4212-022NUT, 5/8-18 JAM PLASTIC
33 WC-13450 HARNESS ASSY, COMPLETE G4TP2T
(INCLUDES TERMINAL BLOCK)
34 WC-1412 CORD GRIP, 3/4” FOR METAL CORD TO .81”OD
35A WC-43201O’RING, 0.487I.D.x 0.693OD x0.103CS BUNA-N
#112
35B WC-430892GASKET, 1.00OD X .625 I.D. X .030 THK WHITE
EPDM 70 SHORE
36 WC-4458 SCREW, 6-19 x 1/2” PHIL PAN HD TRI-LOBULAR
60-1 THRD FORMING
37 WC-4514 SCREW, 8-32x3/8 PAN HEAD PH SS
38 WC-4426 SCREW, 8-32x3/8 PH HEAD TRUSS
39 WC-4616 SCREW, 1/4-20 x 1/2 PHILLIPS PAN HEAD
STAINLESS STEEL
40 WC-4412 SCREW, 10-32x3/16” PH PN HD MS SS
41 WC-1806 SEAT CUP, SILICONE USE ON WC-1809 FAUCET
42 WC-314 POWER BLOCK, 5 STATION
G4GEMT - Main Chassis - Parts List
18QLWVEXLOWDQGODWHU6WDLQOHVVVWHHOÀWWLQJNLW$LVFRPSDWLEOHZLWKROGHUXQLWV
2Units built before 05/15/17.
5HFRPPHQGHGSDUWVWRVWRFN