Cornelius R-134A User Manual 2
IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234
Telephone (800) 238-3600 Facsimile (612) 422-3246
Operator’s Manual
SENTRY III-A POST-MIX COOLING UNIT
(R-134A Refrigerant)
Part No. 312021002
December 16, 1994
Revised: December 1, 1995
Control Code A
THIS DOCUMENT CONTAINS IMPORTANT INFORMATION
This Manual must be read and understood before installing or operating this equipment
IMI CORNELIUS INC; 1994--95Ó
PRINTED IN U.S.A
TABLE OF CONTENTS
SAFETY INFORMATION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECOGNIZE SAFETY INFORMATION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNDERSTAND SIGNAL WORDS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FOLLOW SAFETY INSTRUCTIONS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CO2 (CARBON DIOXIDE) WARNING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SHIPPING, STORING, OR RELOCATING UNIT 1. . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLAIMS INSTRUCTIONS 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY REFERENCE INFORMATION 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DESIGN DATA 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DESCRIPTION 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THEORY OF OPERATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARTS IDENTIFICATION 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OWNER’S RECOMMENDED MAINTENANCE 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERA TORS INSTRUCTIONS 11..............................................
OPERATING CONTROLS 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING UNIT POWER SWITCH 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING UNIT CIRCULATING PUMP POWER SWITCH 11. . . . . . . . . . . . . .
COOLING UNIT CARBONATOR MOTOR POWER SWITCH 11. . . . . . . . . . . .
DAILY PRE-OPERATION CHECK 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL MAINTENANCE 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page
ADJUSTMENTS 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING CO2 REGULATORS 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING CARBONATOR WATER TANK LIQUID LEVEL 13............
SANITIZING SYRUP SYSTEMS 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKING ICE WATER BATH 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLEANING CONDENSER COIL 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CARBONATOR WATER PUMP MAINTENANCE (OR AFTER WATER
SYSTEM DISRUPTION) 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REPLENISHING CO2 SUPPLY 14..........................................
REPLENISHING SYRUP SUPPLY 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PERIODIC CLEANING OF COOLING UNIT 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLEANING AND SANITIZING 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DAILY CLEANING OF UNIT 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SANITIZING POST-MIX SYRUP SYSTEMS 15. . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DISPENSED PRODUCT CARBONATION TOO LOW. 19. . . . . . . . . . . . . . . . . . . . . .
ONLY SYRUP DISPENSED. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARM PRODUCT BEING DISPENSED 19..................................
WATER PUMP WILL NOT OPERATE 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER PUMP MOTOR OPERATES BUT WATER PUMP DOES NOT PUMP
WATER. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WATER PUMP CAPACITY TOO LOW. 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS (cont’d)
COMPRESSOR DOES NOT OPERATE. 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR OPERATES CONTINUOUSLY BUT DOES NOT FORM
SUFFICIENT ICE BANK. 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WARRANTY 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIST OF FIGURES
FIGURE 1. SENTRY III-A COOLING UNIT 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FIGURE 2. SYSTEM FLOW DIAGRAM 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FIGURE 3. PARTS IDENTIFICATION 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIST OF TABLES
TABLE 1. DESIGN DATA 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Page
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SAFETY INFORMATION
Recognize Safety Information
This is the safety-alert symbol. When you see this
symbol on our machine or in this manual, be alert to
the possibility of personal injury .
Follow recommended precautions and safe operating
practices.
Understand Signal Words
A signal word - DANGER, WARNING, OR CAUTION
is used with the safety-alert symbol. DANGER identifies the most serious hazards.
DANGER
Safety signs with signal word DANGER or WARNING
are typically near specific hazards.
General precautions are listed on CAUTION safety
signs. CAUTION also calls attention to safety messages in this manual.
WARNING
CAUTION
Follow Safety Instructions
Carefully read all safety messages in this manual and on your machine safety signs. Keep safety signs in
good condition. Replace missing or damaged safety signs. Learn how to operate the machine and how to
use the controls properly. Do not let anyone operate the machine without instructions. Keep your machine in
proper working condition. Unauthorized modifications to the machine may impair function, safety, and affect
the machine life and may void the factory warranty .
CO2(Carbon Dioxide) Warning
CO2Displaces Oxygen. Strict Attention must be observed in the prevention of CO2(carbon dioxide)
gas leaks in the entire CO2and soft drink system. If a CO2gas leak is suspected, particularly in a
small area, immediately ventilate the contaminated area before attempting to repair the leak. Personnel exposed to high concentration of CO2gas will experience tremors which are followed rapidly by
loss of consciousness and suffocation.
Shipping, Storing, Or Relocating Unit
CAUTION: All water must be purged from the Unit if exposed to freezing temperature. A freezing ambient temperature will cause residual water remaining inside the Unit to freeze resulting in damage to
internal components of the Unit.
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THIS PAGE LEFT BLANK INTENTIONALLY
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GENERAL INFORMATION
CLAIMS INSTRUCTIONS
Claims: In the event of shortage, notify the carrier as well as IMI Cornelius Inc. immediately. In the event of
damage, notify the carrier. IMI Cornelius Inc. is not responsible for damage, occurring in transit, but will
gladly render assistance necessary to pursue your claim. Merchandise must be inspected for concealed damage within 15 days of receipt.
WARRANTY REFERENCE INFORMATION
(to be filled out by customer)
Unit Part Number
Serial Number
Install Date:
LocalAuthorized
Service Center
DESIGN DATA
Table 1. Design Data
Unit Part Numbers:
Domestic Unit 4164920000
Export Unit 4964920000
COOLING UNIT DATA
Cooling Unit Overall Dimensions: (with hood in place)
Height 36--1/4 inches
Width 19 inches
Depth 27 inches
NOTE: Cooling unit Stand P/N 309802069 (optional) with cooling unit in place on stand dimensions:
Height (approx) 74--1/4 inches
Width 36 inches
Depth 19--1/2 inches
Weights: (approximate)
Shipping Weight 260 pounds
Weight (W/O Cartoning) 240 pounds
Capacities:
Cooling Unit Water Bath (no ice bank) 16.8 gallons
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Table 1. Design Data (cont’d)
Ambient Operating Temperature 40° F to 100° F
Electrical Requirements: See Unit Nameplate
DROP--IN REFRIGERA TION ASSEMBLY DATA
Weights:
No Ice Bank 103 pounds
With Ice Bank 142 pounds
Refrigerant Requirement (R-134A Refrigerant) See Unit Nameplate
DESCRIPTION
IMPORTANT: To the user of this manual - This manual is a guide for installing, operating, and
maintaining this equipment. Refer to the Table of Contents for page location for detailed information
pertaining to questions that arise during installation, operation, service, or maintenance of this
equipment.
CAUTION: Before shipping, storing, or relocating this Unit, the syrup systems must be
sanitized and all sanitizing solution must be purged from the syrup systems. All water must
also be purged from the plain and carbonated water systems. A freezing ambient
environment will cause residual water in the Unit to freeze resulting in damage to internal
components.
WARNING: CO2displaces oxygen. Strict attention must be observed in the prevention of
CO2(carbon dioxide) gas leaks in the entire CO2and soft drink system. If a CO2gas leak is
suspected, particularly in a small area, immediately ventilate the contaminated area before
attempting to repair the leak. Personnel exposed to high concentration of CO2gas will experience
tremors which are followed rapidly by loss of consciousness and suffocation.
The Sentry III-A Post--Mix Cooling Unit with R-134A Refrigerant (see Figure 1) is designed to provide cooled
syrup, carbonated water, and plain water to the dispensing station(s) connected to the cooling unit through an
insulated python (length as ordered).
The lower cabinet of the Cooling Unit consist of carbonated water, plain water, and syrup coils located in the
water tank, a carbonator, and a carbonated water circulating pump. The Cooling Unit utilizes a drop--in refrigeration assembly which contains the refrigeration compressor and a condenser coil and fan assembly as shown in
Figure 3
An optional Cooling Unit Stand (P/N 309802069) is available to elevate the Cooling Unit up off the floor.
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FIGURE 1. SENTRY III-A COOLING UNIT
THEORY OF OPERATION
(see Figure 2)
A CO2cylinder delivers carbon dioxide gas (CO2) through adjustable CO2regulators to the soft drink tanks and
also to the built--in carbonator located inside the Cooling Unit. Plain water is pumped into the carbonated water
tank by the water pump and is carbonated by regulated CO2pressure also entering the tank. When dispensing
valve is opened, CO2pressure exerted upon the syrup in the soft drink tank pushes syrup from the tank,
through the Cooling Unit cooling coils, through the python and on to the dispensing valve. Carbonated water is
pushed by CO2pressure from the carbonated water tank, through the Cooling Unit cooling coils, through the
python and on to the dispensing valve. Syrup and carbonated water meet at the dispensing valve resulting in a
carbonated drink being dispensed. Plain water is also available at the dispensing station by passing through the
Cooling Unit cooling coils, through the python, and on to the dispensing station. Carbonated water is replenished when carbonated water level inside the carbonator tank drops to a specified level which in turn automatically starts the carbonator water pump motor. When carbonated water level inside the carbonated water tank
has been replenished, carbonator water pump motor will stop. Carbonated water is continuously being circulated from the Cooling Unit, out through the insulated python to the dispensing station(s), and back to the cooling unit which maintains liquids in the python at a cold temperature.
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