Table of Contents
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Summary of Contents for Cornelius CH750
- Page 1 CH750, CH751 & CH951 CHILLERS Operator’s & Installation Manual Release Date: April 19, 2002 Publication Number: 91256 Revision Date: March 25, 2014 Revision: F Visit the Cornelius web site at www.cornelius.com for all your Literature needs.
- Page 2 Commercial Warranty. Cornelius will not be responsible for any repair, replacement or other service required by or loss or damage resulting from any of the following occurrences, including but not limited to, (1) other than normal and proper use and normal...
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Page 3: Table Of Contents
TABLE OF CONTENTS Safety Instructions..............1 Read and Follow ALL Safety Instructions . -
Page 5: Safety Instructions
Only trained and certified electrical, plumbing and refrigeration technicians should service this unit. ALL WIRING AND PLUMBING MUST CONFORM TO NATIONAL AND LOCAL CODES. FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY, DEATH OR EQUIPMENT DAMAGE. © 2002-2014, Cornelius Inc. - 1 - Publication Number: 91256... -
Page 6: Safety Precautions
Before shipping, storing, or relocating the unit, the unit must be sanitized and all sanitizing solution must be drained from the system. A freezing ambient environment will cause residual sanitizing solution or water remaining inside the unit to freeze resulting in damage to internal components. Publication Number: 91256 - 2 - © 2002-2014, Cornelius Inc. -
Page 7: Introduction
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. -
Page 8: Installation Instructions
1. 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; 2. Wired to a properly rated power cord and plugged into an outlet with appropriate disconnect and amperage rating. Publication Number: 91256 - 4 - © 2002-2014, Cornelius Inc. -
Page 9: Start-Up/Operation
3. Press the fnc button twice to exit the program. The current liquid temperature is displayed. The thermostat has a range that is pre-set at the factory. The range is 40° F (5° C) to 100° F (38° C). If operation outside of this range is required, please contact the Cornelius Technical Service Department. out1 Figure 1. -
Page 10: Maintenance
The circulation system should be drained and flushed periodically to avoid build up and possible restriction of flow by contaminants. Following these simple procedures will ensure many trouble free hours of chiller operation. Publication Number: 91256 - 6 - © 2002-2014, Cornelius Inc. -
Page 11: Service
4. Disconnect the wire leads from the pump motor and remove the pump. 5. Remove all fittings from the pump and install them on the new pump. 6. Install the pump and re-connect wire leads and hoses. 7. Install the wrapper. © 2002-2014, Cornelius Inc. - 7 - Publication Number: 91256... -
Page 12: Fluid Recommendations
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). Distilled Water Acceptable De-Ionized Water Acceptable ohms) -
Page 13: Troubleshooting
Replace fan blade and/or motor if necessary. Inadequate Cooling C. Water not circulating C. See “No Circulation of Chilled Water” Unit low on refrigerant. Charge system with refrigerant. Inoperative temperature control. Replace thermostat. © 2002-2014, Cornelius Inc. - 9 - Publication Number: 91256... -
Page 14: Parts List
CH1001-A Chiller Operator’s & Installation Manual PARTS LIST Figure 2. CH750, CH751 and CH951 Exploded View Table 1. Table 1. Item Part No. Description Item Part No. Description 61001 TXV CH750, CH751 31934 Switch, Illuminated (115V) 61003 TXV CH951 31935... - Page 16 Cornelius Inc. www.cornelius.com...
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