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USER GUIDE G4 Digital Sweet Tea Brewing System with Rotating Brew Basket READ AND SAVE THESE INSTRUCTIONS NOTICE TO INSTALLER: Please leave this booklet with the machine.
[3.8 lpm] Following are the factory default settings for the brewer: • Brew Temperature = 204°F (96°C) • Minimum Brew Temperature = 199°F (92°C) • Brew Volume = Large-Small • Energy Save Mode = Off G4RSTB, KEY FEATURES/SPECS/SYSTEM REQUIREMENTS 041619B...
• 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. • To reduce the risk of re or electric shock, DO NOT open the service panels. There are no user serviceable parts inside.
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IMPORTANT SAFEGUARDS CE Requirements • This appliance must be installed in locations where it can be overseen by trained personnel. • For proper operation, this appliance must be installed where the temperature is between 5°C to 35°C. • This appliance is not suitable for outdoor use. •...
INSTALLATION INSTRUCTIONS WARNING: WARNING: Improper electrical connection may result in an electric shock hazard or damage the unit. This appliance must be properly grounded. NOTICE: DO NOT connect this appliance to a hot water supply. The water inlet valve is not rated for hot water.
INSTALLATION INSTRUCTIONS Installation Leveling 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. Position the brewer on the countertop. Level it left to right and front to back by turning the bottom of the legs.
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INSTALLATION INSTRUCTIONS Connect the Brewer Wiring (cont.) 11 If the power cord will be connected directly to the junction box, connect the power cable wires to the terminals in the junction box. See the ELECTRICAL SCHEMATIC for the power supply requirements. WARNING: Turn off power to the junction box at the circuit breaker panel before connecting the power cable to the brewer.
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INSTALLATION INSTRUCTIONS Power Up the Brewer (cont.) 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 18 When the water in the tank rises to the correct level, the heating elements will turn on automatically.
PROGRAMMING GUIDE to set right tea dispenser. up/disable the brew code. 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. G4RTB/G4RSTB, OPERATING INSTRUCTIONS 082216NC...
OPERATING INSTRUCTIONS OI14 Sweetener Bag-in-Box BIB Replacement/Connection Instructions The sweet tea mixing system is designed to provide continuous operation, provided that two BIBs are always connected. When one BIB becomes empty, the system automatically switches over to the other one. Replace empty BIBs immediately to assure continuous operation.
CLEANING INSTRUCTIONS WARNING: HOT SURFACES - To avoid injury, allow the brewer and dispenser(s) to cool before cleaning. NOTICE - Do not use cleaning liquids, compounds or powders containing chlorine (bleach) or corrosives. USE OF THESE PRODUCTS WILL VOID THE WARRANTY. Cleaning The Brewer - Daily WARNING: DO NOT immerse the brewer in water or any other liquid.
CLEANING INSTRUCTIONS Sweet Tea Mixing System Cleaning and Sanitizing (Weekly) Use a concentrated sanitizing-cleaning solution to simplify the cleaning procedure. This procedure requires a To transfer valve in the container containing the sanitizing-cleaning Dilution solution. spout Mix sanitizer- Sweetener cleaner in 1 Gal. pump of hot water Container...
CLEANING INSTRUCTIONS Cleaning the Tea Dispenser (Daily) The following cleaning process requires a mild solution of dish-washing detergent and warm water, and One-Pro Handle Bonnet Container Remove the dispenser from the brewer and remove the Seat cup Wash Faucet the detergent solution and a soft bristled brush to wash Rinse Sanitize Disassemble the faucet - Unscrew the faucet assembly...
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Brew Button Control symbols - all symbols may not be present at the same time Home Undo Curtis logo Scroll Return to previous left/right Manual Programming Mode The ACCESS CODE screen will appear. The The MAIN MENU screen contains a series of sub- default pass code is 1 2 3 4.
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PROGRAMMING GUIDE PG36 Manual Programming Mode (cont.) Tea Recipes Control Settings Brew Settings Model Select Settings Summary Exit Coffee Combo Temperature Settings By Volume Quality Timer By Time Standard-Purple Energy Savings Dilution by Volume Standard-Gray Sounds Dilution by Time Standard-Amber Diagnostics Tea/IC-1Batch Dilution Delay...
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PROGRAMMING GUIDE PG36 Recipes Menu (cont.) Recipe Default Brew Settings Tea-Sweet and Dual-Sweet, Full Batch Temperature Tea by Volume Tea by Time Tea Dilution Volume Tea Dilution Time Tea Dilution Delay Tea Dilution Stir Standard Purple 204°F/96°C 128 oz./3.8 L 5 min.
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PROGRAMMING GUIDE PG36 Control Settings Menu (cont.) Preventive Maintenance • Maintenance Interval - • Service Telephone Number - Brew Counter - Passwords • Programming Password - default is 1234. • Brew Password - turns the brew access password feature on and off and is used to create the brew pressed.
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PROGRAMMING GUIDE PG36 Brew Settings Menu (cont.) Tea Dilution Stir - turns the dilution stir feature On and Off. See the Recipes settings. Tea Fast Brew - Tea Pulse Brew - routines. Tea Drip-Out - sets the Tea Drip-Out time. Drip-out allows additional time for tea to drain from the brew Sweetener Time (units equipped for brewing sweet tea only) - are 2 minutes for full batch and 1 minute for half batch.
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PROGRAMMING GUIDE PG36 Automatic Programming - USB IMPORTANT: starting the following process. Uploading the Software to the Flash Drive as desired. Downloading the Software to the Brewer from the Flash Drive a second. Once the download is complete, the UCM will reboot so that the changes take effect. USB File Transfer FILE TRANSFER Upload...
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ROUGH-IN DRAWINGS RD10 G4RSTB - Sweet Tea Brewer 17.99 in [45.7 cm] 9.11 in 16.61 in [23.1 cm] [42.2 cm] 34.24 in 23.84 in [87.0 cm] [60.6 cm] 22.61 in [57.4 cm] 22.87 in [58.1 cm] 13.41 in 11.00 in [34.1 cm]...
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ILLUSTRATED PARTS/RECOMMENDED PARTS G4RSTB - Main Chassis - Exploded View SEE SECTION IP21 *Orientation varies with date of manufacture G4RSTB, ILLUSTRATED PARTS/RECOMMENDED PARTS 091719D...
Ra ng Elements Not Used Wires Vdd +5Vdc G4TB G4CB Vss- (Logic_Common) G4RTB 13.8 1650 50/60 1600V/120V (USB) Pin Assignments G4RSTB G4STB 6-Pin Connector G4TB2 Vss- (Logic_Common) G4CB2 TX - Transmit G4RTB2 12.5 1500 50/60 1450V/120V G4RSTB2 Vdd +5Vdc G4STB2...
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TROUBLESHOOTING GUIDE WARNING: Electric Shock Hazard - Scald and Burn Hazard - IMPORTANT: always check all Valve Test Procedure Troubleshooting Guidelines • • • • Valve Test Procedure in either direction Water Not Hot Enough replace the temperature sensor Water Heats More Slowly Than Usual During Brewing...
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TROUBLESHOOTING GUIDE No Power - Display Not Lit Water Tank Does Not Fill Brewer Does Not Start When Brew Button is Pressed Brewing Brewing Sensor Error Message...
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TROUBLESHOOTING GUIDE Water Tank Does Not Fill IMPORTANT: Coffee/Tea Too Strong Dispenser Not Filled To Normal Level During Brewing Dispenser Not Filled To Normal Level During Brewing sure that the spray head is correctly aligned and that the tubing is routed properly to allow for maximum water All Of The Time...
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TROUBLESHOOTING GUIDE No Water/Tea Flows From Brewer During Brewing Water Tank Does Not Fill Low Water Flow Warning Water Level Error Message Water Level Error Message “Internal Error 1” Message on Display “Internal Error 2” Message on Display PROGRAMMING GUIDE...
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TROUBLESHOOTING GUIDE Water Does Not Heat At All Check to see if the water level in the tank is in contact with the water level probe. If not, see Tank Does Not Fill. • The water will not heat unless it is in contact with the probe. If the water heats, but is not hot enough, see Water Not Hot Enough.
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TROUBLESHOOTING GUIDE TG10 Sweetener Does Not Flow into Dispenser During Sweet Tea Brewing Cycle Check to see if both of the bag-in-box (BIB) product bags are empty. Check for obstructions in the tubing anywhere between the BIBs and the dilution spout. If one BIBs is empty, check to make sure that the transfer valve is in the correct position.
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Display view varies Using the Diagnostics with model The MAIN MENU Control Settings. Diagnostics Auto Test to test all circuits. If a button is highlighted green the Curtis logo DIAGNOSTICS Left Auto Test Right Dump Vavle Inlet Valve Dump Vavle Cone Lock...
ERROR CODES Warning Messages - Allows Brewer to Continue Brewing MESSAGE DISPLAY WARNING DESCRIPTION CAUSE Brew count “Gallons Since Reset” exceeds programmed Maintenance Required Maintenance Required preventative maintenance period. If the Inlet valve remains on longer than XX seconds (during the brew cycle only) and repeats TWICE during that brew Low Water Flow Low Water Flow...
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Return Merchandise Authorization (RMA): All returned equipment must be properly re-packaged in the original carton and received by Curtis within 45 days following the issuance of a RMA. NO UNITS OR PARTS WILL BE ACCEPTED WITHOUT A RETURN MERCHANDISE AUTHORIZATION (RMA).
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