Curtis G4RTB User manual

G4 Digital Iced Tea Brewing System
with Rotating Brew Basket
USER GUIDE
READ AND SAVE THESE INSTRUCTIONS
NOTICE TO INSTALLER: Please leave this booklet with the machine.
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CONTENTS CL6
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G4RTB, CONTENTS LIST 081516NC
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 FS6
Key Features
• Generation Four (G4) Digital Control Module – Large, 4.3” touchscreen. Icon-driven interface streamlines
operation. It provides precise control of all critical brewing functions.
• G4 Enhanced Tea Flavor and Clarity – With digital accuracy, two separate precision valves provide
unsurpassed control over brewing and dilution cycle.
• Dual dilution spouts and rotating brew basket allow for easily brewing two batches of tea without moving
dispensers.
• 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.
• Industry’s most effective mineral tolerant design.
• Encapsulated control boards – Protect against steam, water and impact.
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MODEL # DESCRIPTION PHASE VOLTS AMPS HEATING CONFIG WIRE WATTS HERTZ GAL/HR
G4RTB Iced Tea Brewing System 1 PH 120 V 13.8 A 1 X 1600 W 2W + G 1650 W 50/60 Hz 12.0
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MODEL # HEIGHT WIDTH DEPTH SHIP WEIGHT SHIP CUBE WATER CONNECTOR WATER PRESSURE MIN. FLOW RATE
G4RTB 34.29” 13.16” 22.96” 41.0 lbs 9.14 cu ft µÁDUH
20 - 90 psi 1.0 gpm
(35#,&:'&"563&441&$44:45&.3&26*3&.&/54ø "
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• Brew Volume = Large-Small
• Energy Save Mode = Off
Following are the factory default settings for the brewer:

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BT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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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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unit. See the 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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%POPUFYDFFEUIFNBYJNVNXBUFSQSFTTVSFTUBUFEJOUIFSPECIFICATIONS section.
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in compliance with federal, state and local codes. For units installed outside of the U.S.A., make sure that
the installation is in compliance with the applicable plumbing/sanitation code for your area.

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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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
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.
INSTALLATION INSTRUCTIONS II8
DECANTER/DISPENSER BREWERS, INSTALLATION INSTRUCTIONS 122717A
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.
Front
panel
WARNING: Turn off power to the junction box at
the circuit breaker panel before connecting the
power cable to the brewer.
Terminal
block

13 Connect the power plug to the appropriate electrical
outlet.
Connect the Bag-in-Box (BIB) Sweetener -
Units Equipped for Brewing Sweet Tea Only
14 Connect two Bag-in-Box (BIB) sweeteners to the
brewer sweetener supply hoses as instructed in the
OPERATING INSTRUCTIONS section. Connecting two
bags allows the brewer to continue operating if one
bag runs out.
Power Up the Brewer
15 Turn on the water supply valve.
16 Make sure that the circuit breaker supplying power to
the unit is on.
17 Turn the toggle switch on the back of the brewer to the
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continued...
Brewers With A Cord Set Attached
12 On export models with a power cord already installed,
install the appropriate type of power plug for your
locality. Consult local electrical codes to determine the
approved type of power plug for your region.
INSTALLATION INSTRUCTIONS II8
DECANTER/DISPENSER BREWERS, INSTALLATION INSTRUCTIONS 122717A
Connect the Brewer Wiring (cont.)
WARNING: Connect the power plug to the
appropriate type and size electrical outlet. If the
electrical outlet is not compatible with the power
plug, 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: When operating the brewer at
higher elevations, reduce the factory set operating
temperature (204°F) by 2°F for each 1000 feet of
elevation above 2000 feet. See PROGRAMMING
GUIDE.

INSTALLATION INSTRUCTIONS II8
DECANTER/DISPENSER BREWERS, INSTALLATION INSTRUCTIONS 122717A
18 When the water in the tank rises to the correct level, the
heating elements will turn on automatically. Depending
on the incoming water temperature and the electrical
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minutes to reach the factory set operating temperature.
When the water has heated, Ready to brew will be
displayed on the LCD screen.
19 Perform a brew cycle of a least 12 ounces to purge
any remaining air from the system. 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.

OPERATING INSTRUCTIONS OI5
Brewing Instructions
The G4 Tea Brewer is factory preset for optimal performance.
G4RTB/G4RSTB, OPERATING INSTRUCTIONS 082216NC
2 Remove/open the lid from
an empty tea dispenser and
position it on the brew deck.
Center it under either the left
or right dilution spout.
TEA
DISPENSER
3 *OTFSUBDMFBOQBQFSmMUFSJOUP
the brew basket. Fill with the
proper amount of leaf tea.
-FWFMUIFUFBJOUIFmMUFS
4 4MJEFUIFmMMFECSFXCBTLFU
into the brew rails under
the control panel. Slide it all
the way back until it stops.
Rotate the brew basket to
EJSFDUUIFnPXJOUPUIFMFGUPS
right tea dispenser.
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 or tea based on the settings programmed into the universal control module (UCM). To
change the settings, see the PROGRAMMING GUIDE.
1 The brewer should be on.
$POmSNUIJTBUUIFSFBSUPHHMF
switch. “Ready to brew”
should be on the display.
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.
n
o
WARNING - TO AVOID SCALDING, AVOID SPLASHING. Keep body parts clear of the brewer during
brewing. Do not remove the brew basket while “Brewing” appears on the display.
WARNING - DO NOT refrigerate unused tea overnight for later consumption.

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 INSTRUCTIONS CI6
5&"%*41&/4&3$-&"/*/(*/4536$5*0/4ø "
Cleaning the Tea Dispenser (Daily)
Cleaning the Container
 Prepare a mild solution of detergent and warm water.
Remove the dispenser from the brewer and remove the
lid. Rinse.
2 Wash - Wipe the exterior surfaces with a sponge and
the detergent solution to remove spills and debris. Use
the detergent solution and a soft bristled brush to wash
the inside of the container.
3 Rinse - Rinse with clean, warm water.
4 Sanitize* - Sanitize the interior of the dispenser using a
commercial sanitizer suitable for food grade applications.
Sanitize according to the directions on the package.
* If a three compartment sink large enough to submerge
the dispenser is not available, swab, brush or pressure
spray the sanitizing solution according to the directions
on the package.
5 Air Dry - Turn the container upside down and allow to
air dry.
Cleaning the Faucet Parts, Lid and Drip Tray
 Disassemble the faucet - Unscrew the faucet assembly
from the dispenser. Then, unscrew the handle/bonnet
assembly from the top of the faucet and remove. Inspect
the seat cup for wear. Replace the seat cup if it is
damaged.
2 Wash - Wash the lid, drip tray and faucet parts with the
detergent solution.
3 Rinse - Thoroughly rinse all parts with clean, warm
water.
4 Sanitize - After rinsing, place the faucet parts in the sink
to be sanitized. Immerse them in a commercial sanitizer
suitable for food grade applications. Sanitize according
to the directions on the package.
5 Air Dry - Allow all parts to thoroughly air dry.
6 Reassemble - When dry, reassemble the handle/bonnet.
Hand tighten the handle/bonnet onto the top of the faucet
assembly. Hand-tighten the faucet assembly onto the
dispenser outlet.
Seat cup
Faucet
Handle
Bonnet

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$.XJMMSFCPPUTPUIBUUIFDIBOHFTUBLFFGGFDU
 3FNPWFUIFnBTIESJWF5IFEPXOMPBEJTDPNQMFUF5IFEBUBPOUIFnBTIESJWFDBODPOUJOVFUPCFEPXOMPBEFE
into as many identical brewers as needed.
USB File Transfer
5IJTTDSFFOXJMMCFQSFTFOUXIFOFWFSUIF64#nBTIESJWFJTJOTFSUFE
provided the brewer is not currently brewing.
5IFEFGBVMUBDUJPOJTi/P"DUJPOw5IF6$.XJMMBMXBZTDSFBUFBCBDLVQ
POUIFnBTIESJWFCFGPSFEPXOMPBEJOHTFUUJOHTSFDJQFTPSBTDSFFOTBWFS
*GBmSNXBSFVQEBUFJTQSFTFOUPOUIFnBTIESJWFUIFmSNXBSFVQEBUF
QSPDFEVSFXJMMCFTUBSUFECFGPSFUIFTDSFFOJTTIPXO
FILE TRANSFER
Settings/recipes
Present on USB
Screensaver
Not present on USB
Start
Upload
to USB
Download
from USB No Action
(130(3"..*/((6*%&ø &

ROUGH-IN DRAWINGS RD7
13.09 in I.D.
[33.2 cm]
34.29 in
[87.1 cm]
9.11 in
[23.1cm]
13.16 in O.D.
[33.4 cm]
0.49
[1.2 cm]
22.87 in
[58.1 cm]
22.61 in
[57.4 cm]
22.96 in
[58.3 cm]
16.61 in
[42.2 cm]
23.90 in
[60.7 cm]
13.41 in
[34.1 cm]
20.84 in
[52.9 cm]
1.29 in
[3.3 cm]
18.03 in
[45.8 cm]
11.06 in
[28.1 cm]
G4RTB - Tea Brewer
G4RTB, ROUGH-IN DRAWING 052417A

ILLUSTRATED PARTS/RECOMMENDED PARTS IP6
(35#*--6453"5&%1"3543&$0..&/%&%1"354ø "
Supplies and Accessories - All Models
CAB-1 - Cleaning BrushWC-29025 - Spray Head
Sold by the case
3
4
5
6
35
7
8
9
10
35
34
11
28
9
35
12
13
14
17
18
20
19
22
23
24
1
29
2
32
35
36
37
34
15
33
G4RTB - Main Chassis - Exploded View
See section IP21
16A
16B
30A
30B
31A
31B
25
32
27
26*
21
*Orientation varies with date of manufacture

ILLUSTRATED PARTS/RECOMMENDED PARTS IP6
(35#*--6453"5&%1"3543&$0..&/%&%1"354ø "
ITEM # PART # DESCRIPTION
1 WC-58117 COVER, TOP ALPGT/D500GT/D60GT TLP/TCTS/
CBS/GEMSS
2 WC-589-101 TRANSFORMER,120VAC-24V 4.8A W/ LEADS &
MOLEX CONNECTOR
3 WC-13478 HARNESS ASSY COMPLETE G4TB
4 WC-43134 O’RING, .426 X 9/16 O.D X .070 WALL EDPM TCTS
5 WC-58017-105 COVER, FRONT DUAL DILUTION
6 WC-66079 SPOUT ASSY , DILUTION PLASTIC
7 WC-10000 CONTROL MODULE, TOUCH SCREEN G4
8 WC-3396-101 BREW CONE, ASSY BLACK ROTATE STD WITH
BLUE SPLASH POCKET
9 WC-8531-101 RAIL, BASE TCTS-RC
10 WC-8556 HEATSINK, ASSY DV ALPDS/D500AP/TCTD/PTTD
11 WC-10001 CONTROL MODULE, UPM 120/220V G4
12 WC-3503 LEG, 3/8”-16 STUD SCREW BUMPER
13 WC-5310 TUBE, 5/16 ID x 1/8W SILICONE GEN USE
14 WC-5231 COMPOUND, HEAT SINK 5OZ
15 WC-889 VALVE, DUMP LEFT 120V 12W ALPHA’S/D1000/
GEM-12/TLP
16A1WC-2977K KIT, SPRAYHEAD FITTING METAL
16B2WC-2977-101K KIT, SPRAYHEAD FITTING PLASTIC
17 WC-29044-101 SLEEVE, OVERFLOW
18 WC-10008 UNIVERSAL HOST ADAPTER USB
19 WC-2707 TEE, FLARE ¼ x ¼ x 3/8 BRASS
ITEM # PART # DESCRIPTION
10 WC-8556 HEATSINK, ASSY DV ALPDS/D500AP/TCTD/PTTD
13 WC-5310 TUBE, 5/16 ID x 1/8W SILICONE
14 WC-5231 COMPOUND, HEAT SINK 5OZ
15 WC-889 VALVE, DUMP LEFT 120V 12W ALPHA’S/D1000/
GEM-12/TLP
G4RTB - Recommended Parts to Stock
ITEM # PART # DESCRIPTION
20 WC-53038 TUBE ASSY, FLEXIBLE 1/4 FLARE 11-1/8”
21 WC-37255 KIT, DUAL VALVE WATER INLET
22 WC-1200 CORD, 14/3 SJTO 6’ BLK W/PLUG
23 WC-14045-101 CURRENT SENSOR ASSY G4
24 WC-1408 CORD GRIP, 7/8” O.D.
25 WC-29025 SPRAYHEAD, PURPLE ADVANCE FLOW
26 WC-895-104 VALVE, INLET DUAL 120V 9W .53 GPM X .53 GPM
27 WC-826L VALVE, INLET 1 GPM 120V 9W
28 WC-3518 LEG, GLIDE 3/8”-16 STUD SCREW
29 WC-102 SWITCH, TOGGLE NON-LIT SPST 15A 125/6A
250VAC RESISTIVE
30A1WC-4320 O’RING, 0.487I.D.x 0.693OD x0.103CS BUNA-N #112
30B2WC-43089 GASKET, 1.00OD X .625 I.D. X .030 THK WHITE
EPDM 70 SHORE
31A1WC-4213-P NUT, 5/8 LOCK PLATED
31B2WC-4212-02 NUT, 5/8-18 JAM PLASTIC
32 WC-4458 SCREW, 6-19 x 1/2” PHIL PAN HD TRI-LOBULAR 60-1
THRD FORMING
33 WC-4525 SCREW, 8-32x1/4PHILLIPS TRUSS HD SS
34 WC-4514 SCREW, 8-32x3/8 PAN HEAD PH SS
35 WC-4426 SCREW, 8-32x3/8 PH HEAD TRUSS
36 WC-4616 SCREW, 1/4-20 x 1/2 PHILLIPS PAN HEAD STAIN-
LESS STEEL
37 WC-4607 SCREW, 5/16-18x3/8”SS PAN HEAD
ITEM # PART # DESCRIPTION
16A WC-2977K KIT, SPRAYHEAD FITTING METAL
21 WC-37255 KIT, DUAL VALVE WATER INLET
25 WC-29025 SPRAYHEAD, PURPLE ADVANCE FLOW
29 WC-102 SWITCH, TOGGLE NON-LIT SPST 15A 125/6A
250VAC RESISTIVE
G4RTB - Main Chassis - Parts List
1Units built 05/15/17 and later.
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ILLUSTRATED PARTS/RECOMMENDED PARTS IP21
8$8$ø5"/,"44&.#-:*--6453"5&%1"3543&$0..&/%&%1"354 $
ITEM # PART # DESCRIPTION
1A WC-6277 TANK, COMPLETE 1600W 120V D500GT/TCTS/
PTT/CBS
1B1WC-75236 TANK, ASSY D500GT/H/TCTS/PTT3/ CBS W/WC-
904 HEATING ELEMENT
1C3WC-75236-20 TANK, ASSY D500GT/H/TCTS/PTT3/CBS W/WC- 917
HEATING ELEMENT
2 WC-5853-102 COVER, TOP HEATING TANK GEN USE
3 WC-43062 GASKET, TANK LID
4 WC-5527K KIT, PROBE WATER LEVEL O-RING & NUT
5A WC-904-04 KIT,ELEMENT, HEATING 1.6KW120V W/ JAM NUT &
SILICONE O-RING
5B WC-917 ELEMENT, HEATING 1.45KW 120V W/JAM NUTS
ITEM # PART # DESCRIPTION
3 WC-43062 GASKET, TANK LID
4 WC-5527K KIT, PROBE WATER LEVEL O-RING & NUT
5A WC-904-04 KIT,ELEMENT, HEATING 1.6KW120V W/ JAM NUT &
SILICONE O-RING
6 WC-1438-101 SENSOR, TEMPERATURE TANK
7 WC-4394 GUARD, SHOCK/HEATING ELEMENT FOR SINGLE
HEATING ELEMENT
WC-6277/WC-75236[-20] - Recommended Parts to Stock
ITEM # PART # DESCRIPTION
8WC-523 THERMOSTAT, MANUAL RESET 120/ 240 VAC 25A
220 DEG F MAX
9 WC-37365 KIT, FITTING TANK INLET
10 WC-37266 KIT, FITTING TANK OVERFLOW
11 WC-37317 KIT, STRAIGHT FITTING & BUSHNG 8mm GEN USE
ITEM # PART # DESCRIPTION
6 WC-1438-101 SENSOR, TEMPERATURE TANK
7 WC-4394 GUARD, SHOCK/HEATING ELEMENT FOR SINGLE
HEATING ELEMENT
8WC-523 THERMOSTAT, MANUAL RESET 120/ 240 VAC 25A
220 DEG F MAX
9 WC-37365 KIT, FITTING TANK INLET
10 WC-37266 KIT, FITTING TANK OVERFLOW
11 WC-37317 KIT, STRAIGHT FITTING & BUSHNG 8mm GEN USE
122WC-2630 BUSHING, CONICAL BLIND GEN USE
WC-6277/WC-75236[-20] - Tank Assembly
2
3
10
11
12
2
11
8
7
6
9
4
WC-6277/WC-75236[-20] - Tank Assembly - Parts List
1For units without hot water faucet, specify that item 12 be installed in location shown when ordering
2For units without hot water faucet
3Canadian units
1A
1B
1C
5A
5B

ELECTRICAL SCHEMATICS ES11
(5&"#3&8&34&-&$53*$"-4$)&."5*$ø "
112 Vac Input
212 Vac Input
3T ank Wat er Lev el Probe
4Vdd +5Vdc
5Not Used
6Tank Temperature Sensor
7Tank Temperature Sensor
8Data_Communication Next
(Not Used)
9Vss- (Logic_Common)
10 Not Used
11 Data_Communication First
12 Not Used
13 Not Used
14 UPM Ground
1TX - Transmit
2RX - Receive
3Not Used
4Vdd +5Vdc
5Vss- (Logic_Common)
rotcennoCniP41
rotcennoCniP5
1120V Hot Input
2120V Hot Input
3Brew Valve
4Not Used
5120V Neutral
6Inlet Valve
7Not Used
8Not Used
9Triac Gate
10 Triac A2
11 Not Used
12 Not Used
13 Dilut ion Valve Right
14 Dilut ion Valve Left
15 Sweetner Pump
16 Sweetner Pump
17 120Vac Neutral (Internal Use Only)
18 Not Used
19 Current Sensor
20 Current Sensor
112 Vac Input (Back Light)
2Vdd +5Vdc
3Vss- (Logic_Common)
4Not Used
512 Vac Input (Back Light)
6Data_Communication First
7Not Used
8Not Used
1Vss- (Logic_Common)
2TX - Transmit
3Vdd +5Vdc
4RX - Receive
5Not Used
6Not Used
(UCM TOUCH SCREEN)
Pin Assignments
(USB) Pin Assignments
6-Pin Connector
(UPM) Pin Assignments
rotcennoCniP02
rotcennoCniP8
Model Voltage
V
Amps
A
WaƩs
W
Hertz
Hz
# of
Conductor
Wires
Phase # of Tank
Elements
Tank Element
RaƟng
W/V
G4TB
G4CB
G4RTB
G4RSTB
G4STB
G4TB2
G4CB2
G4RTB2
G4RSTB2
G4STB2
211
ELECTRICAL RATING TABLE
1600V/120V
1450V/120V
120
120
13.8 1650 2 1 150/60
50/6012.5 1500
G4 TEA BREWERS