Cornelius R-134A Operator's Manual
Post-mix cooling unit
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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- - 95
Ó
IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234
Telephone (800) 238-3600
Facsimile (612) 422-3246
PRINTED IN U.S.A
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Summary of Contents for Cornelius R-134A
- Page 1 IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234 Telephone (800) 238-3600 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;...
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Page 2: Table Of Contents
SAFETY INFORMATION ........... . RECOGNIZE SAFETY INFORMATION UNDERSTAND SIGNAL WORDS FOLLOW SAFETY INSTRUCTIONS... - Page 3 TABLE OF CONTENTS (cont’ d) COMPRESSOR DOES NOT OPERATE. COMPRESSOR OPERATES CONTINUOUSLY BUT DOES NOT FORM SUFFICIENT ICE BANK..........WARRANTY .
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Page 4: Safety Information
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. - Page 5 THIS PAGE LEFT BLANK INTENTIONALLY 312021002...
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Page 6: General Information
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. -
Page 7: Description
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). -
Page 8: Theory Of Operation
FIGURE 1. SENTRY III-A COOLING UNIT THEORY OF OPERATION (see Figure 2) A CO cylinder delivers carbon dioxide gas (CO ) through adjustable CO regulators 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 CO pressure also entering the tank. - Page 9 312021002...
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Page 10: Parts Identification
PARTS IDENTIFICATION HOOD RETAINING ACORN NUT *CONDENSER COIL AIR FILTER WATER FILL HOLE CONDENSER COIL CARBONATOR MOTOR POWER SWITCH CIRCULATING MOTOR POWER SWITCH CARBONATED WATER CIRCULATING PUMP MOTOR COOLING UNIT POWER SWITCH UNIT ELECTRICAL SYRUP INLET LINES ACCESS PANEL RETAINING SCREW (4) INLET PLAIN WATER... - Page 11 THIS PAGE LEFT BLANK INTENTIONALLY 312021002...
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Page 12: Owner' S Recommended Maintenance
OWNER’ S RECOMMENDED MAINTENANCE Make sure CO 1800--psi gage indicator is not in shaded (‘ ‘ change cylinder’ ’ ) portion of dial. If so, CO almost empty and must be replaced. regulators should be checked for proper pres- sure settings periodically and adjusted as instructed. The carbonator tank liquid level (40 to 60-ounces) pump cut--in and cut--out were adjusted at the factory and should require no further adjustment. - Page 13 THIS PAGE LEFT BLANK INTENTIONALLY 312021002...
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Page 14: Operators Instructions
OPERATORS INSTRUCTIONS This section covers operating controls, daily pre-operation check, adjustments, replenishing CO plies, and general maintenance to be performed by the Operator on the Cooling Unit. WARNING: Disconnect electrical power from the Cooling Unit to prevent personal injury before attempting any internal maintenance. Only qualified personnel should service internal components or electrical wiring. - Page 15 THIS PAGE LEFT BLANK INTENTIONALLY 312021002...
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Page 16: General Maintenance
GENERAL MAINTENANCE ADJUSTMENTS ADJUSTING CO REGULATORS The Operator must first check the CO cylinder primary CO regulator assembly 1800-psi gage as described in “ Daily Pre-Operation Check” . Ranges for adjusting CO regulators are as follows: 80-psi minimum to a maximum of 125-psi for the carbonator primary regulator, 55 to 60-psi for sugar syrup tanks CO Refer to step 2 of “... -
Page 17: Cleaning Condenser Coil
11. Place Cooling Unit power switch in “ ON”(up) position. CLEANING CONDENSER COIL (see Figure 3 CAUTION: The drop-in refrigeration assembly condenser coil and air filter must be cleaned every 30-days. Excessive accumulation of dust, lint, and grease on the air filter and coil will restrict air flow through the coil and cause refrigeration assembly to overheat. -
Page 18: Replenishing Syrup Supply
1. Close empty CO cylinder shutoff valve, then remove empty cylinder. WARNING: To avoid personal injury and/or property damage, always secure CO an upright position with a safety chain to prevent it from falling over. Should the valve become accidentally damaged or broken off, CO 2. - Page 19 3. Using a clean syrup tank (syrup tank system) or a five-gallon container (bag-in-box system), prepare a full tank or container of liquid dishwasher detergent by using 70_F (21_C) to 100_F (38_C) potable water and 0.5 oz. (15 ml) of liquid dishwasher detergent to one gallon of potable water. Stir detergent solution to thoroughly mix the solution.
- Page 20 13. Syrup Tank Systems. Connect sanitizing solution tank, pressurized at 60 to 80-psi, into one of the syrup systems. Bag-in-Box Syrup System. Place all bag-in-box syrup containers syrup outlet tubes in container containing sanitizing solution. 14. Sanitize the syrup system and dispensing valve as follows: Place waste container under applicable dispensing valve.
- Page 21 Bag-in-Box Syrup System. Remove all bag valves from bag-in-box syrup containers outlet tubes connectors. Connect bag-in-box syrup containers into the syrup systems. 24. Place waste container under dispensing valves. Dispense from all dispensing valves to permit syrup to purge all potable water from the syrup systems and the dispensing valves. Continue to dispense from the dispensing valves until only syrup is dispensed from the syrup systems and valves.
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Page 22: Troubleshooting
Only qualified personnel should service internal components or electrical wiring. IMPORTANT: WARNING: If repairs are to be made to carbonated water system, disconnect electrical power to Cooling Unit, shut off plain water and CO water system pressure before proceeding. If repairs are to be made to syrup system, remove quick disconnects from applicable syrup tank, then relieve the system pressure before proceeding. - Page 23 Trouble WATER PUMP CAPACITY TOO LOW.(CONT’ D) TROUBLESHOOTING REFRIGERATION SYSTEM Trouble COMPRESSOR DOES NOT OPERATE. COMPRESSOR OPERATES CONTINUOUSLY BUT DOES NOT FORM SUFFICIENT ICE BANK. 312021002 Probable Cause Water filter clogged. Inoperative water pump. Probable Cause Ice bank sufficient. Electrical power to cooling unit turned off.
- Page 24 IMI Cornelius Inc. warrants that all equipment and parts are free from defects in material and workmanship un- der normal use and service. For a copy of the warranty applicable to your Cornelius, Remcor or Wilshire prod- uct, in your country, please write, fax or telephone the IMI Cornelius office nearest you. Please provide the equipment model number, serial number and the date of purchase.
- Page 26 IMI CORNELIUS INC. CORPORATE HEADQUARTERS: One Cornelius Place Anoka, Minnesota 55303-6234 (612) 421-6120 (800) 238-3600...