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AURORAR10,000
COOLING UNIT
Installation Manual
Part No. 300381000
July 13, 1988
Revised: April 12, 1993
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; 1988--93
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TABLE OF CONTENTS Page GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 COOLING UNIT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SYSTEM THEORY OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INSTALLATION . . . . . . . .
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TABLE OF CONTENTS (cont’ d) Page ADJUSTING DISPENSING VALVES WATER FLOW RATE . . . . . . . . . . . . . 16 ADJUSTING WATER-TO-SYRUP ‘ ‘ RATIO’ ’OF DISPENSED PRODUCT . 16 ADJUSTING SIZE OF DRINK DISPENSED . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 ADJUSTING CARBONATOR TANK LIQUID LEVEL . . . . . . . . . . . . . . . . . . . . 16 REPLENISHING CO2 SUPPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 REPLENISHING SYRUP SUPPLY . . . . . . . . . . . . . . .
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TABLE OF CONTENTS (cont’ d) Page TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 WATER-TO-SYRUP ‘ ‘ RATIO’ ’OF DISPENSED DRINK TOO LOW OR TOO HIGH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 ADJUSTMENT OF DISPENSING VALVE SYRUP FLOW REGULATOR DOES NOT INCREASE TO DESIRED WATER-TO-SYRUP ‘ ‘ RATIO” . . . . . . . . . . . . . . . 39 ADJUSTMENT O
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TABLE OF CONTENTS (cont’ d) Page LIST OF FIGURES CONT’ D) FIGURE 14. WIRING DIAGRAM (LOW-VOLTAGE SYSTEM) . . . . . . . . . . . . . . . . 36 FIGURE 15. WIRING DIAGRAM (HIGH-VOLTAGE SYSTEM) . . . . . . . . . . . . . . . 37 LIST OF TABLES TABLE 1. DESIGN DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 TABLE 2. LOOSE-SHIPPED PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 300381000 iv
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GENERAL INFORMATION IMPORTANT: To the user of this manual - This manual is a guide for installing, operating, and maintaining this equipment. Refer to Table of Contents for page location of detailed information pertaining to questions that arise during installation, operation, service and maintenance, or trouble-shooting this equipment. GENERAL DESCRIPTION This section gives the description, theory of operation, and design data for the AuroraR10,000 Cooling Unit, (hereafter referred to as a ‘ ‘
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Table 1. Design Data COOLING UNIT MODEL NUMBERS: 60 HZ Unit: Standard Cooling Unit with Internal Condenser Coil and Fan Assembly 416593 Cooling Unit Requiring Connection to Remote Condenser Coil and Fan 416594 Assembly 50 HZ Unit: Standard Cooling Unit with Internal Condenser Coil and Fan Assembly 496593 COOLING UNIT DATA Overall Dimensions: Height 28-inches Width 36-1/2 inches Depth 24-1/2 inches NOTE: Overall dimensions if Cooling Unit is placed on optional Cooling Unit Stand (P/N 309309069).
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Table 1. Design Data (cont’ d) REMOTE CONDENSER COIL AND FAN ASS’ Y DATA (P/N 309602000) Overall Dimensions: Height 27 inches Width 22-inches Depth 38-inches Weight: Shipping 85 pounds Ambient Operating Temp. -22°F to 158°F Electrical Requirements: Operating Voltage 208/230VAC, Single Phase, 60Hz Current Draw 2.5 Amps SYSTEM THEORY OF OPERATION (see Figure 2) A CO cylinder delivers carbon dioxide gas (CO ) to primary CO regulator assembly which delivers regulated 2 2 2 CO gas to adjustable secon
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4 300381000 SHUTOFF VALVE SYRUP LINES PLAIN WATER WATER PRESSURE SOURCE REGULATOR WATER FILTER ASS’ Y LINE LEGEND HYDRO BOOSTR CO 2 BYPASS VALVE PLAIN WATER CARB WATER SYRUP CHECK VALVE SUGAR SYRUP PLAIN WATER CO REGULATOR 2 SHUTOFF VALVE CARBONATORS CO 2 REGULATORS TEE FITTING DIET SYRUP CO REGULATOR 2 GAS CHECK VALVE(2) CO MANIFOLD 2 PRIMARY CO 2 REGULATOR EXTERNAL CO GAS CHECK 2 CARBONATOR VALVE(5) HYDDRO CARBONATED BOOSTR WATER CARBONATED CIRCULATING WATER PUMP SHUTOFF VALVE(2) SINGLE LIQUID
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INSTALLATION This section covers unpacking and inspection, selecting location, installing Cooling Unit, preparing for operation, and operation. UNPACKING AND INSPECTION NOTE: The Cooling Unit was thoroughly inspected before leaving the factory and the carrier has accepted and signed for it. Any damage or irregularities should be noted at time of delivery (or not later than 15 days from date of delivery) and immediately reported to the delivering carrier. Request a written inspection report from
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fused as indicated on the Unit nameplate. The power circuit may also be wired through an equivalent HACR type circuit breaker rather then the disconnect switch. THE POWER CIRCUIT MUST BE MADE UP OF COPPER CONDUCTORS AND ALL WIRING MUST CONFORM TO NATIONAL AND LOCAL ELECTRICAL CODES; (4) Close to a plain water source supply line with proper requirements; (5) Allow sufficient space around Cooling Unit (see Figure 4) for proper air circulation (18-inches on sides and back, front side open to room,
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CONNECTING REMOTE CONDENSER COIL AND FAN ASS’ Y (IF APPLICABLE) REFRIGERATION LINES TO COOLING UNIT (see Figure 6 ) Connect refrigeration lines, from Remote Condenser Coil and Fan Assembly, to refrigeration connectors on back of Cooling Unit. CONNECTING ELECTRICAL POWER CIRCUIT TO COOLING UNIT (see Figures 5 or 6 and 15) IMPORTANT: Before applicable single-phase 60HZ or 50HZ electrical power circuit is connected to the Cooling Unit, service power voltage entering the building must be identified.
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WARNING: The Cooling Unit must be electrically grounded to avoid possible fatal electrical shock or serious injury to the operator. A green ground wire is provided inside electrical box to connect power circuit ground wire which electrically grounds the Cooling Unit. 2. 60HZ Cooling Unit Connect 208/230VAC Single Phase 60Hz electrical power circuit with a 40-amp minimum rated disconnect switch (not provided) fused at 40-amps (maximum) or circuit connected through an equivalent HACR circuit break
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D. Reinstall Cooling Unit electrical control box and secure with four screws. E. Install cover on electrical handy box on back of Cooling Unit. CONNECTING PLAIN WATER INLET SUPPLY LINE TO COOLING UNIT (see Figure 2) NOTE: IMI Cornelius Inc. recommends that a water shutoff valve be installed in plain water inlet supply line connected to Cooling Unit and that water supply be filtered. WATER PIPE CONNECTIONS AND FIXTURES DIRECTLY CONNECTED TO A POTABLE WATER SUPPLY SHALL BE SIZED, INSTALLED AND MAI
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CONNECTING COOLING UNIT SYRUP OUTLET LINES TO INSULATED PYTHON SYRUP LINES (see Figure 2) Connect Cooling Unit syrup outlet lines labeled No. 1 through No. 6, with barbed fittings on their ends, to insulated python lines labeled No. 1 through No. 6. Secure connections with TUBING CLAMPS (item 2). CONNECTING COOLING UNIT PLAIN WATER OUTLET LINE TO INSULATED PYTHON PLAIN WATER LINE (see Figure 2) NOTE: Shutoff valve in plain water line inside Cooling Unit must remain closed if plain water is not d
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3. Lower Cooling Unit into operating position to complete seal from unit base to floor. Apply additional sealant around bottom of base. Seal must have a minimum radius of 1/2-inch to prevent cracks and crevices and to ensure a complete seal. 4. Route Cooling Unit water tank overflow hose to permanent floor drain. 5. Seal area around overflow hose where they exit from unit using permagum sealant or equivalent. PREPARING COOLING UNIT FOR OPERATION 1. Make sure plug in end of Cooling Unit water tan
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STARTING COOLING UNIT REFRIGERATION SYSTEM NOTE: As ice bank forms in water tank, water expansion will take place and excess water will escape through water tank overflow hose to permanent floor drain. Cooling Unit Connected To Remote Condenser Coil and Fan Assembly. (P/N 309602000). Place Cooling Unit REFRIGERATION POWER switch in ‘ ‘ ON’ ’(up) position. Refrigeration compressor, compressor cooling fan, agitator motor, and Remote Condenser Coil and Fan Assembly will start. Cooling Unit will beg
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LEAK CHECK AND INSULATING COOLING UNIT OUTLET LINES 1. Check all CO , plain and carbonated water, and syrup connections for leaks and repair if evident. 2 2. Make sure Cooling Unit outlet lines connections to insulated python lines are well insulated. 3. Install Cooling Unit top cover and secure with two screws. DISPENSING STATION ADJUSTMENTS ADJUSTING WATER FLOW RATE Refer to Installation Instructions provided with dispensing station for dispensing valve water flow rate adjustment instructions.
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THIS PAGE LEFT BLANK INTENTIONALLY 300381000 14
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OPERATORS INSTRUCTIONS This section covers operating controls, daily pre-operation check, adjustments, replenishing CO and syrup 2 supplies, cleaning and sanitizing, Cooling Unit maintenance, Remote Condenser Coil and Fan Assembly (if applicable) maintenance, lubrication, and servicing CO gas check valves. 2 WARNING: Disconnect electrical power to Cooling Unit to prevent personal injury before attempting any Cooling Unit or Rooftop Condenser Coil and Fan Assembly (if applicable) internal mainten
