CHILLERS MODELS: CH750, CH751 & CH951 Operator’s & Installation Manual Release Date: April 19, 2002 Publication Number: 91256 Revision Date: May 5, 2010 Revision: D Visit the IMI Cornelius web site at www.cornelius.com for all your Literature needs.
CH SERIES CHILLER OPERATOR’S & INSTALLATION MANUAL The products, technical information and instructions contained in this manual are subject to change without notice. These instructions are not intended to cover all details or variations of the equipment, nor to provide for every possible contingency in the installation, operation or maintenance of this equipment.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CH Series Chiller Operator’s & Installation Manual INTRODUCTION The Cornelius “CH” Series Water Chillers (Models CH750-A, CH751-A, and CH951-A) are specifically designed to cool clean liquid before it is circulated to the cooling application. The Unit includes a complete refrigeration system and associated controls housed in a sturdy sheet metal enclosure with perforated panels for air circulation.
CH Series Chiller Operator’s & Installation Manual 1. 2. Permanently wired by means of conduit from the junction box on the rear of the chiller cabinet to a properly fused disconnect of proper amperage or; Wired to a properly rated power cord and plugged into an outlet with appropriate disconnect and amperage rating. START-UP/OPERATION Before the Unit can be operated, it is important that the circulating system be filled with water (See Fluid Recommendations page).
CH Series Chiller Operator’s & Installation Manual MAINTENANCE WARNING: Disconnect electrical power from the unit before performing any of the following maintenance procedures. The chiller requires very little normal maintenance. The condenser fins should be cleaned by blowing compressed air through the condenser. from the fan side as required to prevent blockage of air flow by dirt and debris that may accumulate over time.
CH Series Chiller Operator’s & Installation Manual FLUID RECOMMENDATIONS Cornelius chillers are designed to operate with water to provide maximum performance for temperatures of 40° F (4.4° C) to 100° F (37.8° C).
CH Series Chiller Operator’s & Installation Manual TROUBLESHOOTING Trouble Chiller does not operate, Power Light “OFF” No Circulation of Chilled Water Inadequate Cooling Problem Cause Remedy A. No Power to unit A. Check main disconnect fuses, wiring and power lead to unit. B. Loose or poor wire connection B. Check wiring. Correct loose or poor wire connection C. Defective Control Power Switch C. Replace Switch D. Overload device open. D.
CH Series Chiller Operator’s & Installation Manual PARTS LIST Figure 2. CH750, CH751 and CH951 Exploded View Table 1. Item No. 1 2 3 4 5 6 7 Part No. 31934 31935 32386 620603707 62063706 620603711 620603712 620603713 * Not Used 620603703 620603704 620603705 Publication Number: 91256 Description Switch, Illuminated (115V) Switch, Illuminated (230V) Thermostat, Eliwell No.
CH Series Chiller Operator’s & Installation Manual Table 1. Item No. Part No. Description 8 9 * Relay * Capacitor 61001 TXV CH750, CH751 10 61003 TXV CH951 11 60514 Sight Glass 12 60502 Control, Low Pressure 13 60204 Filter Drier 14 * Receiver 15 Not Used 16 * Pump, Circulating 17 32378 Transformer, Thermostat 32606 Relay (115V) 18 32607 Relay (230V) * Contact the Service Dept. for the Appropriate Part Numbers. © 2002-2010, IMI Cornelius Inc.
Ice Frost Operator’s Manual 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 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. Publication Number: M620919596OPR -8- © 2004-2007, IMI Cornelius Inc.
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