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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
PRINTED IN U.S.A
Ó IMI CORNELIUS INC; 1994--95
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TABLE OF CONTENTS Page SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 RECOGNIZE SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 UNDERSTAND SIGNAL WORDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 FOLLOW SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 CO2 (CARBON DIOXIDE) WARNING . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS (cont’ d) Page 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 . . . . .
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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 DANGER is used with the safety-alert symbol. DANGER identi- fies the most serious hazards. Safety signs with signal word DANGER or WARNING WARNING are typically near specific hazards.
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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 con- cealed damage within 15 days of receipt. WARRANTY REFERENCE INFORMATION (to be filled out by customer) Unit Part Number Serial Number Install D
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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 REFRIGERATION 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 q
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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 2 2 2 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. When dispensing 2 valve is opened, CO pressure exerted upon the syrup in the soft drink tank pushes syrup from
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6 312021002 COOLING UNIT SYRUP INLET CONNECTIONS 9-LINE PYTHON TO DISPENSING TOWER SHUTOFF VALVE CO INLET 2 CONNECTION DOUBLE LIQUID CHECK VALVE PLAIN WATER INLET CONNECTION BARBED CONNECTORS (9) CARBONATED WATER PUMP CARBONATED WATER CIR- CARBONATED CULATING PUMP WATER TANK PYTHON LINES LINE LEGEND 1THROUGH 5 and 9 SYRUP PLAIN WATER 6 PLAIN WATER CARB WATER 7 CARB WATER OUT CO 2 UNNUMBERED LINE IS SYRUP CARB WATER RETURN FIGURE 2. SYSTEM FLOW DIAGRAM
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PARTS IDENTIFICATION CONTROL BOX HOOD RETAINING ACORN NUT COMPRESSOR *CONDENSER COIL HOOD AIR FILTER WATER FILL HOLE CONDENSER COIL CARBONATOR MOTOR POWER SWITCH CONDENSER CIRCULATING MOTOR FAN MOTOR POWER SWITCH CARBONATED WATER AGITATOR CIRCULATING PUMP MOTOR MOTOR COOLING UNIT POWER SWITCH SHIPPING NUT (4) UNIT ELECTRICAL BOX SYRUP INLET LINES ACCESS PANEL RETAINING SCREW (4) CO GAS 2 INLET PLAIN WATER INLET OUTLET LINES LOWER ACCESS CARBONATOR GRILLE WATER PUMP MOTOR CARBONATED WATER TANK CA
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OWNER’ S RECOMMENDED MAINTENANCE Maintenance Schedule Task D M Q A 1. Make sure CO cylinder regulator assembly O 2 1800--psi gage indicator is not in shaded (‘ ‘ change CO cylinder ’ ’ ) portion of dial. If so, CO cylinder is 2 2 almost empty and must be replaced. 2. CO regulators should be checked for proper pres- S 2 sure settings periodically and adjusted as instructed. 3. The carbonator tank liquid level (40 to 60-ounces) S pump cut--in and cut--out were adjusted at the factory and should re
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OPERATORS INSTRUCTIONS This section covers operating controls, daily pre-operation check, adjustments, replenishing CO and syrup sup- 2 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. OPERATING CONTROLS (see Figure 3) COOLING UNIT POWER SWITCH Cooling
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GENERAL MAINTENANCE ADJUSTMENTS ADJUSTING CO REGULATORS 2 The Operator must first check the CO supply to make sure it is adequate. Determine by looking at the CO 2 2 cylinder primary CO regulator assembly 1800-psi gage as described in “Daily Pre-Operation Check”. Ranges 2 for adjusting CO regulators are as follows: 80-psi minimum to a maximum of 125-psi for the carbonator primary 2 CO regulator, 55 to 60-psi for sugar syrup tanks CO regulator, and 12-psi for diet syrup tank CO regulator. 2 2 2 R
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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. Operating refrigeration system in an overheated condition will eventually lead to refrigeration compressor failure. Area on top of hood m
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1. Close empty CO cylinder shutoff valve, then remove empty cylinder. 2 WARNING: To avoid personal injury and/or property damage, always secure CO cylinder in 2 an upright position with a safety chain to prevent it from falling over. Should the valve become accidentally damaged or broken off, CO cylinder can cause personal injury. 2 2. Install full CO cylinder, the open shutoff valve. MAKE SURE CO CYLINDER IS POSITIONED IN UP- 2 2 RIGHT POSITION AND IS FASTENED WITH A SAFETY CHAIN. REPLENISHING
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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. 4. Syrup Tank Systems. A. Observe and note CO pressure setting on the syrup tanks CO regulator, then re-adjust CO regula- 2 2 2 tor to 60 to 80-psi. P
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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: A. Place waste container under applicable dispensing valve. B. Activate the dispensing valve for one minute to purge all water from and install sanitizing solution in the syrup system and disp
