IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234 Telephone (800) 238-3600 Facsimile (612) 422-3246 Service Manual C-1550XR UNIVERSAL PRE-MIX DISPENSER (R-404A REFRIGERANT) Part No. 309989004 January 7, 1986 Revised: January 27, 1999 Control Code A THIS DOCUMENT CONTAINS IMPORTANT INFORMATION This Manual must be read and understood before installing or operating this equipment Ó IMI CORNELIUS INC; 1986--99 PRINTED IN U.S.
TABLE OF CONTENTS Page SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 RECOGNIZE SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 UNDERSTAND SIGNAL WORDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 FOLLOW SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CO2 (CARBON DIOXIDE) WARNING . . . . . . . . . . . . . . . .
TABLE OF CONTENTS (cont’d) Page LIST OF FIGURES FIGURE 1. UNIVERSAL C-1550XR (FOUR-FLAVOR UNIT SHOWN) . . . . . . . . . 4 FIGURE 2. DISPENSER COMPONENTS (FOUR-FLAVOR UNIT SHOWN) . . . FIGURE 3. PARTS IDENTIFICATION (FOUR-FLAVOR UNIT SHOWN) . . . . . . . FIGURE 4. FLOW DIAGRAM (FOUR-FLAVOR UNIT SHOWN) . . . . . . . . . . . . . . FIGURE 5. CO2 GAS CHECK VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURE 6. WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 potentially 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. Safety signs with signal word DANGER or WARNING are typically near specific hazards.
THIS PAGE LEFT BLANK INTENTIONALLY 309989004 2
GENERAL INFORMATION TO THE USER OF THIS MANUAL This Manual is a guide for servicing and maintaining this equipment. Refer to Table of Contents for page location of detailed information pertaining to questions that may arise. This Unit must be installed and serviced by a qualified Service Person. This Unit contains no User serviceable parts. CLAIMS INSTRUCTIONS Claims: In the event of shortage, notify the carrier as well as IMI Cornelius immediately. In the event of damage, notify the carrier.
Table 1. Design Data (cont’d) Dispensing Rate: 12-oz. drinks 8/minute 724 (see NOTE) NOTE: *Number of 12-oz. drinks that can be dispensed at 40°F or below with 75°F product inlet temperature and 75°F ambient. Refrigerant Requirement See Unit Nameplate Ambient Operating Temperature 40°F to 100°F Electrical Requirements: See Unit Nameplate UNIT DESCRIPTION The Unit (see Figure 1) is equipped with manually operated self-closing dispensing valves.
SERVICE AND MAINTENANCE This section describes the service and maintenance procedures to be performed on the Unit. IMPORTANT: Only qualified Personnel should service the Unit internal components or electrical wiring. WARNING: Disconnect electrical power from the Unit to prevent personnel injury before attempting any internal maintenance. Only qualified personnel should service the internal components or electrical wiring. CAUTION: This Unit is intended for indoor installation only.
Set product tank CO2 regulators, using Cornelius PRE-MIX COMPUTER slide rule or bottling room chart. Enter equilibrium pressure for highest temperature encountered between product tank storage area and cooling unit plus 5 psig operating pressure for lines 10 feet in length or less and no vertical lift. Add one pound for every 10 feet over initial 10 feet of product tank to cooling unit line length and one pound for every 2 feet of vertical lift. Add one pound for every product tank on line over three tanks.
UNIT PRODUCT INLET LINES POWER CORD UNIT POWERSWITCH (115 VAC, 60 HZ UNIT ONLY) DRIP TRAY DRAIN HOSE PLUG WATER TANK OVERFLOW TUBE WATER TANK DRAIN HOSE TOP COVER DISPENSING VALVE (4) COVER RETAINING SCREW (4) COMPENSATOR ADJUSTING SCREW CUP REST VALVE TRIM PANEL DRIP TRAY DRAIN HOSE RETAINING SCREW (4) ACCESS GRILLE (4) DRIP TRAY AIR INTAKE FIGURE 2.
UNIT PRODUCT INLET LINES ELECTRICAL CONTROL BOX POWER CORD TERMINAL BLOCK RETAINING SCREW CONDENSER COIL CONDENSER FAN MOTOR ACCESS GRILLE UNIT POWERSWITCH (115 VAC, 60 HZ UNIT ONLY) COMPRESSOR FIGURE 3.
9 309989-000 GAS CHECK VALVE (4) CO2 CYLINDER PRODUCT TANKS PRIMARY CO2 REGULATOR CO2 PRODUCT LINE LEDGEND PRODUCT TANK (4) 4 3 2 1 PRODUCT COOLING COIL (4) FIGURE 4.
PRODUCT FLAVOR CHANGE Sanitize applicable system as instructed, then install full tank of new flavor product. CLEANING CONDENSER COIL (see Figure 3) NOTE: Air circulation through the condenser coil, required to cool the coil, is drawn in through grille on Unit front panel and is exhausted out through grilles on sides and back of the Unit. Restricting air flow through the condenser coil will decrease cooling efficiency of the Unit.
1. Unplug Unit power cord from electrical outlet. 2. Remove screws securing the Unit top cover, then remove cover. 3. Remove four screws securing either the side or the back access grille, then remove the grille. 4. Route water tank drain hose out hole in back of the Unit to a waste container or to a drain. 5. Remove plug from end of the drain hose and allow water to drain from the water tank. NOTE: If ice bank is clear and contains no foreign particles, it does not have to be melted down.
SANITIZING PRE-MIX SYSTEMS IMPORTANT: Only qualified Service Personnel should perform sanitizing procedure on the pre-mix product systems. The pre-mix product systems should be sanitized every 90-days using a non-scented household liquid bleach such as Hi-Lex or Chlorox containing a 5.25% sodium hypochlorite concentration. Proceed as follows to sanitize the pre-mix product systems. 1. Disconnect product tanks from the product systems. 2. Rinse product tanks quick disconnects with warm potable water. 3.
20. Remove product tank containing flush water from the product system, then connect a clean empty product tank into the system. 21. Place waste container under applicable dispensing valve. 22. Activate the dispensing valve to purge all water from the product system. 23. Repeat steps 20 and 22 preceding to purge all water from the remaining product systems. 24.
FIGURE 6.
TROUBLESHOOTING IMPORTANT: Only qualified personnel should service internal components or electrical wiring. WARNING: If repairs are to be made to a product system, remove quick disconnects from the applicable product tank, then relieve the system pressure before proceeding. If repairs are to be made to the CO2 system, stop dispensing, shut off the CO2 supply, then relieve the system pressure before proceeding.
Trouble Probable Cause Remedy TROUBLESHOOTING REFRIGERATION SYSTEM COMPRESSOR DOES NOT OPERATE. COMPRESSOR WILL NOT STOP AFTER SUFFICIENT ICE BANK IS FORMED. (NOTE--ICE BANK SHOULD JUST COVER CONTROL BULB). COMPRESSOR OPERATES CONTINUOUSLY BUT DOES NOT FORM SUFFICIENT ICE BANK. A. Ice bank sufficient. A. Refrigeration not called for. B. Unit power cord unplugged or Unit power switch in ‘‘OFF’’ (down) position. B. Plug in power cord or place power switch in ‘‘ON’’(up) position. C.
Trouble Probable Cause Remedy CONDENSER FAN MOTOR NOT OPERATING. A. Jumper cord loose or disconnected from motor or terminal block. Broken wire in cord. A. Tighten connections or replace cord. CONDENSER FAN MOTOR NOT OPERATING. (cont’d) B. Fan blade obstructed. B. Remove obstructions. C. Inoperative condenser fan motor. C. Replace condenser fan motor. A. Unit power cord or agitator motor power cord disconnected or Unit power switch in ‘‘OFF’’position. A.
WARRANTY IMI Cornelius Inc. warrants that all equipment and parts are free from defects in material and workmanship under normal use and service. For a copy of the warranty applicable to your Cornelius, Remcor or Wilshire product, 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. IMI Cornelius Offices AUSTRALIA D P.O.
THIS PAGE LEFT BLANK INTENTIONALLY 19 309989004
IMI CORNELIUS INC.
