Curtis CBHS Service Manual
Model:
CBHS
Wilbur Curtis Co., inC.
Service Manual – Combo Brewer Single
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 re 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 3 Unit is Factory Pre-Set and Ready to Go Right from the Box.
Following are the Factory Settings for your G3 Coffee Brewing System:
• Brew Temperature = 204°F • Water Bypass = On for LARGE 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.
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 federal, state, or
local 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
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 tting on the rear of the unit. Water volume ow to the machine should
be consistent. Use tubing sized sufciently to provide a minimum ow rate of one gallon per minute.
NOTE: A water ltration 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 recommend the use of a Curtis approved
water lter. For our full line of lters, please log on to www.wilburcurtis.com.
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 backow protection to comply with applicable federal,
state and local codes.
3. Water pipe connections and xtures 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, ip the toggle switch to the ‘ON’ position (located on the rear of
the unit), the water tank will begin to ll. 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 204°F). Where applicable, turn on the Universal Control Module (UCM). When the unit reaches
operating temperature, it will display “READY TO BREW”.
Technical Support: 1-800-995-0417 M-F 5:30am-4:00pm PT
Email: techsupport@wilburcurtis.com
1
Coffee Brewing Instructions
1. Brewer should be ON (Conrm at rear toggle switch, then press the ON/OFF button). Ready-to-Brew should be on the display.
2. Place an empty coffee container under the brewcone. Make sure the container is open at the top and it is centered under the brew-
cone.
3. Place a paper lter into
the brew cone labeled
“COFFEE”.
WARNING TO AVOID SCALDING, Do not remove the brewcone or coffee container until the UCM screen indicates that the
brew cycle has nished.
4. Fill the brewcone with the
proper amount of ground
coffee.
5. Slide the lled brew-
cone into rails on the
brewer.
6. Select the appropriate
COFFEE brew button and
press to start the brew
cycle.
Tea Brewing Instructions
1. Brewer should be ON (Conrm at rear toggle switch, then press ON/OFF button) and Ready-to-Brew displayed.
2. Make sure tea container is correctly placed on the brew deck, centered under the brewcone.
3. Place a paper lter into
the brew basket. Pour
leaf tea into the brew
cone labled ICED TEA.
WARNING TO AVOID SCALDING, Do not remove the brewcone or iced tea container until the UCM screen indicates that the
brew cycle has nished.
4. Slide the tilled brew cone
into brew rails.
2
5. Slide container all the
way in against the center wrap.
6. Press the TEA BREW
button to start brewing
tea.
Your Curtis G3/Gold Cup Series is Factory Pre-Set for Optimum Performance.
After connection to water and power; the rear toggle switch must be on. You will hear a beep sound, indicating power is available to the controller.
The control displays . Press ON/OFF button and the screen will display . After three seconds, is displayed.
CURTIS
Water will ll the tank (approximately 2-3 minutes depending on water ow rate). When the proper level is reached will appear on the screen.
It takes approximately 20 minutes to reach set point temperature.
Control will display when temperature reaches the set point. Unit is now ready to brew.
CURTIS
READY TO BREW
<CBHVS>
CURTIS
CURTIS
HEATING
CURTIS
FILLING
Programming with the Universal Control Module (UCM)
Turn off the control panel by pressing ON/OFF button. Press and hold bottom/right coffee brew button (#4 in illustration) and then press and release the ON/OFF button.
ENTERING
Continue holding the bottom-right brew button. The screen will display , wait until is displayed. Enter the 4-digit access code, the code corresponds to
the buttons illustrated below. The default code set at the factory is 1-2-3-4.
After the 4-digit code is entered, will be displayed. You can now enter the program menu features.
PROGRAM MENUS
< SELECT >
PROGRAM MODE
ENTER CODE
– – – –
All programming selections are performed with the three center buttons.
The symbols near the buttons are:
Scroll LEFT
SELECTION or ENTER to save new parameter
Scroll RIGHT
431 2
PROGRAM MENUS COMBO BREWER
Program Menus
Global Recipes
Non-Brew Program
Temperature
Energy Save Mode
Brew Count Odom
From Program Menus press > display will show the next feature Global Recipes.
Global Recipes (Factory set to Gourmet STD)
This is a coffee option. Press to select. If selected, press < or > to chose a coffee recipe: Gourmet STD, Light Roast, Dark
Roast, High Yield, Filter Pack, or Decaf. Press to select the desired recipe.
Non-Brew Program
Press to Select or < > to pass by these options and continue to the next group. The selections for Non-Brew Program are
listed below.
Temperature (Factory set to 204ºF)
Press to Select. Press < or > to move to desired temperature and then to set. Temperature is programmable from 170ºF
to 208ºF in 2-degree increments.
Energy Save Mode (Factory set to OFF)
Press to Select, < or > ON, OFF or ON 140ºF , to set. When in ON, unit will automatically shut off 4 hours from last
brew. When feature is OFF, unit does not utilize the energy saving mode.
In the ON 140ºF position, temperature lowers to 140ºF, if unit has not brewed in 4 hours. This feature will save energy by maintaining a lower temperature in the tank in periods of non-operation.
Brew Count Odom
Press to display total brew cycles. Press EX or Reset.
Brew Count Total
Brew Count Total
Press to Select, Shows total gallons and total brew cycles on the unit. Cannot be reset.
3
Cold Brew Lock
Master Reset
Cold Brew Lock . . . (Factory set to 5º )
Press to select, < or > to select desired setting (CBL 5, 15 or OFF), to set.
The Cold Brew Lock feature allows the brewer to brew at three different temperature levels from the actual set point. The rst
setting is within 5 degrees of set point, next is within 15 degrees of set point, OFF is within 30 degrees of set point for the Ready
to Brew message, however, it will brew at any temperature.
Master Reset
Press to display Are You Sure?
Then < for Yes, > for No. Brewer factory defaults are then reset.
Service Call
Access Code
Banner Name
P-Maintenance
Beeper On/Off
Coffee
Drip-Out Mode
Tea
Drip-Out Mode
Service Call (Phone number Factory set to 1-800-000-0000 X0000)
Press to display number and change number or < to move place and EX to exit when complete. This number will be dis-
played during a Heating system SENSOR ERROR or during a WATER ERROR.
Access Code (Factory set to 1-2-3-4)
Press to display number and change number, (the number can be changed 1 to 4) or < to move place and EX to exit when
complete.
Banner Name (Factory set to Curtis)
Press to display letters and change letters or < to move place and EX to exit when complete
This feature allows up to 14 letters to be programmed for company name or regional name. Programming all blanks disables
Banner Name. If programmed, Banner Name is displayed every 5 sec. on and off.
P-Maintenance (Factory set to OFF)
Press to Select, Set gallons brewed to indicate P-Maintenance. Press < or > to adjust from Off to 9500 gallons. This feature
advances in 500 gallon increments. Press to exit.
Beeper On/Off (Factory set to ON)
Press to display ON or OFF. Pressing either < or > toggles between on and off. to set. When ON, this feature allows you
to hear a short beep each time a button is pressed.
Coffee Drip-out Mode (Factory set to 2 minutes)
Press to Select. Press < or > to move to desired time. Settings are OFF, 1, 2, 3, 4 and 5 minutes. Press to Select time.
Tea Drip-out Mode (Factory set to OFF)
Press to Select. Press < or > to move to desired time. Settings are OFF, 1, 2, 3, 4 and 5 minutes. Press to Select time.
Displ. Brew Time (Factory set to ON)
Displ. Brew Time
Press to display ON or OFF. Pressing either < or > toggles between on and off. After Display Brew Time an EXIT screen will
return you to Brew Button Prog.
Display Messages (Factory set to ON)
Display Messages
Press to display ON or OFF. Pressing either < or > toggles between on and off. This feature allows the operator to select the
message “Rinse Server Before Brewing”. This will be displayed any time the unit is not brewing.
Brew Button Program
Brew Button Prog
This is the next group of options in the sequence. The screen will prompt you to choose tea or coffee. Coffee options are shown
below. Tea option are shown on page 5.
Select Button
Brew By Volume
Select Button This is a temporary screen message indicating you are in the coffee brew button programming mode. Select a
coffee brew button on the UCM.
Brew by Volume (Factory settings: LARGE 200oz ±8oz. SMALL 64oz±4oz.)
Press to Select. Display will ask you to select a brew button, Large, Medium or Small. Press the desired brew button to
begin... when desired volume is reached press the same brew button to stop the ow. Now the volume has been set.
4
Brew By Time
Pre-infusion
Brew by Time (Factory settings: LARGE 5min-25sec. SMALL 1min-52sec.)
Next item in the sequence is Brew by Time. Press to Select to change the brew time. Display will now show the current time.
By pressing < or > you can toggle back and forth from minutes to seconds to exit (ex). Change the time or set and exit by pressing the button.
Pre-Infusion (Factory Disabled)
Press to Select. Current setting in seconds is displayed < to decrease or select > to increase (range from OFF to 10
through 60 seconds), to set.
If Pre-infusion is selected (ON), Cold Brew Lock is set to Delta 1 within 5ºF of set point and Cold Brew Lock disappears from the
list of program selections. When Pre-infusion is ON, Pulse Brew disappears from the list of program selections.
Pulse Brew
By-Pass
Select Button
Brew By Volume
Pulse Brew (Factory setting C)
Press to select, < or > to select OFF or one of ve pulse patterns (A to E) . The ve Pulse Brew options help “tune” or change
the coffee avor.
Guidelines for Pulse Brew:
Filter Pack type coffees typically extract better with the A and B pulse setting.
Decaf coffees typically extract better with the B pulse setting.
High-Yield coffees typically extract better with the C pulse setting. Of course, any of the A, B or C settings may be used to suit
your taste prole.
Settings D and E are manual pulse counts.
To exit from the Pulse Brew mode, select 0 for the time.
If Pulse Brew is turned on, Cold Brew Lock is set to Delta 1 within 5ºF of set point and Cold Brew Lock disappears from the list
of program selections. When Pulse Brew is on, Pre-infusion disappears from the list of program selections.
By-Pass (Factory settings: LARGE 35%. SMALL Off.)
The By-Pass option helps with controlling extraction with larger brews. Contact time that is too long will extract undesirable bit-
ter, harsh avor compounds. By-passing some of the brew water around the coffee bed will balance the extraction.
Press to display current setting. Press < or > to change settings; OFF, 1% to 50%, in 1% increments. Press to set.
Select Button – You may select a tea brew button to program from the buttons on the control module.
Brew by Volume
Press to Select. The display will read Select Brew Button. Once the desired brew button is selected, the display will read
Press BREW to Start and hot water starts dispensing. When the desired volume is reached, press the brew button again to stop
the ow. The brew volume has now been set. When EXIT is displayed, Press to select and exit.
Brew By Time
Dilut. Delay
Dilut. Volume
Dilut. Time
Pulse Brew
Brew by Time (Factory set to Full Brew 3 min 32 sec, Iced Coffee Full Brew 3 min 23 sec)
Press to Select. Press < or > to increase or decrease time. Tea by Time has a range of 0:00 to 9:59 (Increments are minutes
and seconds). The HALF BREW button will be set at half the brew time.
Dilution Delay (Factory set to Full Brew 30 sec, Iced Coffee Full Brew 30 sec)
Press to Select. Press < or > to toggle between Standard-Gray (30 sec), Standard-Purple (30 sec), Tropical-Gray (9 min),
Tropical-Purple (9 min), 76/308-Gray (4 min) and 76/308-Purple (4 min). Range is from 0 seconds, 30 seconds to 10 minutes;
in 30 second increments.
Dilution Volume
Press to Select, Display will now show Push START To Begin... Press the BREW button then water starts running, when de-
sired volume is reached press BREW button again to stop the ow. Now the volume has been set. Pressing > button will display
the subsequent menu features.
Dilution Time (Factory set to Full Brew 4 min 5 sec, Iced Coffee Full Brew 2 min 26 sec)
Press to Select. Press < or > to toggle between Standard-Gray (4min-5sec), Standard-Purple (4min-5sec), Tropical-Gray
(4min-26sec), Tropical-Purple (4min-26sec), 76/308-Gray (4min-55sec) and 76/308-Purple (4min-55sec). Setting Range is from
0 sec to 9 min, 59 sec, in 1 second increments.
Pulse Brew (Factory set to Full Brew OFF, Iced Coffee Full Brew 30 sec on, 40 sec off).
Press to Select, press < or > to choose ON, OFF, or D. Selecting ON will give a pulsing pattern of 1 to 20 pulses. In D, the
pulse time can be set for ON, 5 to 150 seconds (adjustable in 5 sec increments). Off time 5 to 150 seconds, adjustable in 5
second increments.
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