Cornelius PRISM User manual

PRISM
Owner’s Manual
Release Date:
Publication Number: 548000096
Revision Date: November 5, 2018
Revision: C
Visit the Cornelius web site at www.cornelius.com for all your Literature needs.

The products, technical information, and instructions contained in this manual are subject to change without notice.
These instructions are not intended to cover all details or variations of the equipment, nor to provide for every possible
contingency in the installation, operation or maintenance of this equipment. This manual assumes that the person(s)
working on the equipment have been trained and are skilled in working with electrical, plumbing, pneumatic, and
mechanical equipment. It is assumed that appropriate safety precautions are taken and that all local safety and con-
struction requirements are being met, in addition to the information contained in this manual.
This Product is warranted only as provided in Cornelius’ Commercial Warranty applicable to this Product and is sub-
ject to all of the restrictions and limitations contained in the Commercial Warranty.
Cornelius will not be responsible for any repair, replacement or other service required by or loss or damage resulting
from any of the following occurrences, including but not limited to, (1) other than normal and proper use and normal
service conditions with respect to the Product, (2) improper voltage, (3) inadequate wiring, (4) abuse, (5) accident, (6)
alteration, (7) misuse, (8) neglect, (9) unauthorized repair or the failure to utilize suitably qualified and trained persons
to perform service and/or repair of the Product, (10) improper cleaning, (11) failure to follow installation, operating,
cleaning or maintenance instructions, (12) use of “non-authorized” parts (i.e., parts that are not 100% compatible with
the Product) which use voids the entire warranty, (13) Product parts in contact with water or the product dispensed
which are adversely impacted by changes in liquid scale or chemical composition.
Contact Information:
To inquire about current revisions of this and other documentation or for assistance with any Cornelius product con-
tact:
www.cornelius.com
[phone]
Trademarks and Copyrights:
This document contains proprietary information and it may not be reproduced in any way without permission from
Cornelius.
This document contains the original instructions for the unit described.
CORNELIUS INC
101 Regency Drive
Glendale Heights, IL
Correct Disposal of this Product
This marking indicates that this product should not be disposed with other household wastes throughout the EU. To
prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to
promote the sustainable reuse of material resources. To return your used device, please use the return and collection
systems or contact the retailer where the product was purchased. They can take this product for environmental safe
recycling

Prism Owner’s Manual
© 2018, Cornelius Inc. Publication Number: 548000096
TABLE OF CONTENTS
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Read and Follow all Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Different Types of Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Qualified Service Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Prism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Optifill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Sanitary Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Push Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Cleaning Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Daily Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
User Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
How to Check Prism Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Knock Out Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Knock Out Punch Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Knock Out Adapter Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Knock Out Adapter Plate and Tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Installation Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Back Block Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Valve Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Locking Valve with Back Block Using Lock Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Syrup and Water Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Touch Module and Cover Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Plumbing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Illustrated Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Valve Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Prism Decal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Prism Owner’s Manual
Publication Number: 548000096 © 2018, Cornelius Inc.

Prism Owner’s Manual
© 2018, Cornelius Inc. - 1 - Publication Number: 548000096
SAFETY INSTRUCTIONS
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
Safety Overview
• Read and follow ALL SAFETY INSTRUCTIONS in this manual and any warning/caution labels on the unit
(decals, labels or laminated cards).
• Read and understand ALL applicable OSHA (Occupational Safety and Health Administration) safety regulations
before operating this unit.
• Must wear required PPE before you start to service or maintain the equipment.
Recognition
DIFFERENT TYPES OF ALERTS
!
DANGER:
Indicates an immediate hazardous situation which if not avoided WILL result in serious injury, death or equipment damage.
!
WARNING:
Indicates a potentially hazardous situation which, if not avoided, COULD result in serious injury, death, or equipment
damage.
CAUTION:
!
Indicates a potentially hazardous situation which, if not avoided, MAY result in minor or moderate injury or equipment
damage.
SAFETY TIPS
• Carefully read and follow all safety messages in this manual and safety signs on the unit.
• Keep safety signs in good condition and replace missing or damaged items.
• Learn how to operate the unit and how to use the controls properly.
• This appliance can be used by children aged from 8 years and above and persons with reduced physical,
sensory or mental capabilities 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. Children
shall not play with the appliance. Cleaning and user maintenance shall not be made by children without
supervision.
• Keep your unit in proper working condition and do not allow unauthorized modifications to the unit.
• Any modifications to be done by Factory Authorized Service personnel only.
• Any part replacement in the system shall be conducted with like components.
Recognize Safety Alerts
This is the safety alert symbol. When you see it in this manual or on the unit,
be alert to the potential of personal injury or damage to the unit.
!

Prism Owner’s Manual
Publication Number: 548000096 - 2 - © 2018, Cornelius Inc.
QUALIFIED SERVICE PERSONNEL
!
WARNING:
Only authorized service personnel shall service the valve. ALL WIRING AND PLUMBING MUST CONFORM TO
NATIONAL AND LOCAL CODES. FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY, DEATH OR
EQUIPMENT DAMAGE.
SAFETY PRECAUTIONS
This unit has been specifically designed to provide protection against personal injury. To ensure continued protection
observe the following:
!
WARNING:
Disconnect power to the unit before servicing following all lock out/tag out procedures established by the user. Verify
all of the power is off to the unit before any work is performed.
Failure to disconnect the power could result in serious injury, death or equipment damage.
CAUTION:
!
Always be sure to keep area around the valve clean and free of clutter.
Failure to keep this area clean may result in injury or equipment damage.

Prism Owner’s Manual
© 2018, Cornelius Inc. - 3 - Publication Number: 548000096
OPERATION
PRISM
Plain or Carbonated Water
FRONT COVER
REAR VIEW
Front Cover
Figure 1.
The Cornelius Prism is capable of dispensing 3 CARBONATED BRANDS / SYRUP OR 3 NON CARBONATED
BRANDS / SYRUP and comes with 3 variants as below, refer Table 1 on page 4.
NOTE: Both carbonated and non carbonated beverages CANNOT BE DISPENCED IN THE SAME
VALVE
Optifill
The user places a cup against the dispensing lever, press the brand, and the valve automatically shuts off after the
cup begins to overflow.
Sanitary Lever
The user manually dispenses a beverage by selecting a brand and then pressing the cup against the dispensing
lever.
Push Button
The user manually dispenses a beverage by pressing the brand until the cup is full.

Table 1
Part No. Description
Sanitary Lever Valves
620069302 Prism, Ceramic regulator, with mounting block and covers
620070464 Prism, Ceramic regulator, with covers
Push Button Valves
620069304 Prism, Ceramic regulator, with mounting block and covers
620070465 Prism, Ceramic regulator, with covers
Optifill Lever Valves
620069308 Prism, Ceramic regulator, with mounting block and covers
620070466 Prism, Ceramic regulator, with covers
Prism Owner’s Manual
Publication Number: 548000096 - 4 - © 2018, Cornelius Inc.
CLEANING INSTRUCTION
Daily Cleaning
1. Remove nozzle and diffuser from the valve and clean with warm soapy water.Soak with sanitization with 2-
3 minutes and Rinse with clean water, reinstall them back onto the valves and allow to air dry.
DIFFUSER
NOZZLE DIFFUSER
Figure 2.
2. Wash external surfaces with mild soap solution, rinse with clean water, and wipe dry.
NOTE: While cleaning the valve do not use abrasive or harsh cleaners on the unit.
NOTE: Diffuser is only compatible with Prism valve.
CAUTION:
!
All sanitizing solution must be drained from the system. A freezing ambient environment will cause
residual sanitizing solution or water remaining inside the valve to freeze resulting in damage to internal
components.
USER INSTRUCTION
The user will have to pour directly from the valve into the ratio cup. User will have to pour water & syrup separately
(not at the same time).
3. “The user has to enter into “ratio mode” via the dip switches on the board. Set the dip switches as shown in
Figure 4. First adjust the water flow rate then press the water button. The valve will dispense a preset
amount of water. Adjust the flow rate using the valve flow control until the flow rate is adjusted properly.
After water is adjusted properly - use the Brand buttons to dispense a preset amount of syrup. Adjust the
corresponding Brand flow control until the Brand flow rate is adjusted properly

Prism Owner’s Manual
© 2018, Cornelius Inc. - 5 - Publication Number: 548000096
Figure 3.
Top
Bottom
PUSH TO POUR
SANITARY LEVER
RATIO MODE
OPTIFILL
Figure 4.
NOTE: The switch is located in the upper right hand corner of the back of the valve faceplate.
Touch UI: 1x4
Key 1 - Brand 1
Key 2 - Brand 2
Key 3 - Brand 3
Key 4 - Water

Prism Owner’s Manual
Publication Number: 548000096 - 6 - © 2018, Cornelius Inc.
HOW TOCHECK PRISM RATIO
CAUTION:
!
Do not expose the capacitive touch module wire to water.
Table 2.
1. Remove the capacitive touch
module by lifting it upward and
pulling out. Remove the rear
valve cover. Leave the wire
attached to the capacitive touch
module.
to Capacitive touch modules
Wires from valve body Rear Cover
Valve Body
Capacitive Touch Module
Figure 5.
2. Place the ratio cup under the
valve.
3. Place the dip switch into “ratio
mode”.
Figure 6.
4. Press the water button to activate
a time dispense of 5.8 sec. Target
14.5 oz into the water chamber of
the ratio cup.
NOTE: After the water flow is
adjusted, note the level of
the ratio cup. Do not adjust
the water again for the
syrup.
Valve Body
ratio mode
Figure 7.
Ratio Mode

Prism Owner’s Manual
© 2018, Cornelius Inc. - 7 - Publication Number: 548000096
5. Press a brand to activate the time
dispense into the proper syrup
chamber. If the syrup level
doesn’t fall within one bandwidth
from the noted water level, turn
the adjust screw on the appropri-
ate syrup flow control counter-
clockwise to decrease syrup flow
or clockwise to increase syrup
flow. Dispense a few drinks to
check the ratio. Re-adjust as nec-
essary. Repeat for the remaining
flavors.
Figure 8.
6. Select the respective mode
based on the type of dispense.
Figure 9.
7. Replace the rear valve cover and replace the capacitive touch module.
Sanitary Lever
Optifill
Brix Mode
Syrup 3
Syrup 2
Syrup 1
Water
Back Block
Top View

Prism Owner’s Manual
Publication Number: 548000096 - 8 - © 2018, Cornelius Inc.
KNOCK OUT KIT-P/N 629097803
NOTE: All Enduro Cold Carbonation units since 2004 have panels that will accept the Prism Valve.
Models:
ED150BCH, 150BCHZ, ED175BCH, ED175BCHZ, ED200BCH, ED200BCHZ, ED250BCH,
ED250BCHZ, ED300BCH and ED300BCHZ
NOTE: All Enduro Ambient Carbonation and Beverage Only units prior to November 2018 will require
the punch tool. All Enduro Units since November 2018 have panels that will accept the PRISM
valve
Beverage Only Models:
ED150B, ED150BZ, ED175B, ED175BZ, ED200B, ED200BZ, ED250B, ED250BZ,
ED300B and ED300BZ
Ambient Carbonation Models:
ED150BC, ED150BCZ, ED175BC, ED175BCZ, ED200BC, ED200BCZ, ED250BC,
ED250BCZ, ED300BC and ED300BCZ
NOTE: All IDC Units (Serial #: 62C0912JD002) since 2009 have panels that will accept the Prism Valve.
Front Die
Rear Die
Punch tool
P/N 620070512
Figure 10.

3/18-16 Hex Head Bolt
Pan Head Phillips 8-32
Punch Tool
Front Die
Rear Die
Knockout adapter plate
Screws - 2 Qty
Knockout kit P/N-629097803
P/N 620069489
Prism Owner’s Manual
© 2018, Cornelius Inc. - 9 - Publication Number: 548000096
Figure 11.
629097803 – KNOCKOUT KIT BOM 629097803 – KNOCKOUT KIT: SERVICE PARTS
Part Number Description Qty Part Number Description
620070512 Punch Tool 1620070512 Punch Tool
620069490_Front Die Front Die 1620069489 Knockout Adapter Plate
620069490_Rear Die Rear Die/Receiver 1
620069490_Screws 8-32 Pan head
Phillip Screws
2
620069490_Bolt 3/18-16 Hex Head
Bolt
1
620069489 Knockout Adapter
Plate
5

Prism Owner’s Manual
Publication Number: 548000096 - 10 - © 2018, Cornelius Inc.
KNOCK OUT PUNCH INSTRUCTIONS
!
WARNING:
Must wear required PPE and right tools before using the punch out tool.
!
WARNING:
Disconnect power to the unit before servicing following all lock out/tag out procedures established by the user.
Verify all of the power is off to the unit before any work is performed.
CAUTION:
!
Disconnect all fluid supply to the unit and release all pressures in the system.
Table 3 .
1. Remove the valve from the back
block.
Figure 12.
2. Remove the existing back-block
from the valve panel.
NOTE: Keep the screws safe for
later.
NOTE: used with installation of new
“Prism”.
Figure 13.
3. Load the “Front Die” with “Punch
Tool”.
Front Die
Punch Tool
Figure 14.

Prism Owner’s Manual
© 2018, Cornelius Inc. - 11 - Publication Number: 548000096
CAUTION:
!
NOTE: Position of the punching may vary, depending upon requirement.
NOTE: With reference to Step - 5, all 2 screws must be tightened to avoid any tool damage or improper
punching.
4. Align the 2 dowel pins of the “Rear
Die” with Corresponding holes on
the “Valve mounting panel”.
Valve
Mounting
Panel
Rear Die
Figure 15.
5. Assemble “Front Die” loaded with
“Punch Tool” to “Rear Die”, using 2
Phillip “8-32” screws.
Figure 16.
6. Assemble & tighten the hexagon
bolt using socket wrench, until the
bolt head rests on the front die sur-
face.
NOTE: Add lubricant to 3/16” bolt
before using the knockout.
Figure 17.
7. Remove the tool from the valve
mounting panel and dispose of the
punched out piece.
Figure 18.

Prism Owner’s Manual
Publication Number: 548000096 - 12 - © 2018, Cornelius Inc.
INSTALLATION INSTRUCTIONS
Sheet Metal adapter plate
for mounting prism valve
KNOCK OUT ADAPTER PLATE - P/N 620069489
Figure 19.
KNOCK OUT ADAPTER PLATE AND TUBING
Table 4
1. Align knock out adapter plate with 4 holes of valve mounting panel from “Front Side”.
Syrup 2
Syrup 3
Panel-Rear side
Panel-Front Side
Syrup 1
Front View
Plain / Carbonated
Water
Figure 20.
.

2. Prepare the tubing assemblies.
90° Short
Fittings
90° Long
Fittings
Oetiker Clamp
(A)
(C)
(D)
(B)
Flex Tube (Qty-2: 8ft Length)
P/N 620709073
P/N 311908000
P/N 620717791
Mounting screw
P/N 620700602
P/N 620709068
Figure 21.
Prism Owner’s Manual
© 2018, Cornelius Inc. - 13 - Publication Number: 548000096
INSTALLATION KIT P/N 629097802
NOTE: Check the O-rings on the 90° fittings for damage and replace if necessary.
NOTE: Apply Dow 111 or equal lube on the O-rings prior to install.
NOTE: Use P/N 620717792 to order additional Flex tubing
NOTE: Use P/N 629097822 for an advance kit(100' Flex tubing, Barb Fittings & Co2 tubing, O-rings &
Oetikers).
Table 5.
A. Plain/Carb Water Use 90° short fitting, 1/4” tubing & insulation from existing plain / carbonated
Water line
B. Syrup 1 Existing syrup line from the cold plate
C. Syrup 2 New syrup line using 90° short fitting & 1/4” insulated tubing
D. Syrup 3 New syrup line using 90° long fitting & 1/4” insulated tubing

Prism Owner’s Manual
Publication Number: 548000096 - 14 - © 2018, Cornelius Inc.
BACK BLOCK
Back Block
Back Block
Lock Pin
Assembly
INSTALLATION
Figure 22.
Table 6.
1. Route the wire & connector through
relief hole of rear adapter plate and
back block.
Route the
Wire
Figure 23.
Figure 24.

Prism Owner’s Manual
© 2018, Cornelius Inc. - 15 - Publication Number: 548000096
2. Assemble all the lines with L - fittings
on to the knock out adapter plate and
Figure 25.
3. Align the back block inlet ports to the
L- fittings and fasten back block to the
valve panel using screws removed
earlier (Use either existing screws or
screws provided in the kit).
Figure 26.

Prism Owner’s Manual
Publication Number: 548000096 - 16 - © 2018, Cornelius Inc.
VALVE INSTALLATION
Table 7
1. Slide, open the capacitive
touch module.
2. Disconnect the wires from
the capacitive touch mod-
ule.
3. Remove the rear cover
Wires from valve body
to Capacitive touch modules
Rear Cover
Valve Body
Capacitive Touch module
Figure 27.
4. Apply Dow 111 or equal
lube on O - rings before
assembling the valve body.
Align the inlet holes of
“valve body” with outlet
holes of back block.
Figure 28.
.