Cornelius CH251 Installation Manual
CHILLERS
MODELS: CH250 AND CH251
Operator’s & Installation Manual
Release Date: April 19, 2004
Publication Number: 620914801
Revision Date: April 29, 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. This manual assumes that the person(s)
working on the equipment have been trained and are skilled in working with electrical,
plumbing, pneumatic and mechanical equipment. It is assumed that appropriate safety
precautions are taken and that all local safety and construction requirements are being
met, in addition to the information contained in this manual.
To inquire about current revisions of this and other documentation or for assistance with
any Cornelius product contact:
www.cornelius.com
1-800-551-4423
This document contains proprietary information and it may not be
reproduced in any way without permission from Cornelius.
Printed in U.S.A.
Copyright © 1999-2010, All Rights Reserved, IMI Cornelius Inc.
General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Design Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Data Plate Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chiller Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Location of Chiller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Process Water Flow, Units and Pump and Tank (Standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Standard Thermostat Eliwell IC902 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chiller Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pump Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Circulation System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Fluid Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CH Series Chiller Operator’s & Installation Manual
GENERAL INFORMATION
INTRODUCTION
The Cornelius “CH” Series Recirculating Water Chiller is designed to provide an accurate, reliable and user-friendly system for cooling a continuous flow of water and keep it at a constant tempe rature in various closed loop
or tank cooling applications.
The “CH” Series Chiller consists of an air--cooled refrigeration system housed in a sturdy sheet metal frame and
cabinet. A standard pump and insulated water reservoir package provides a complete liquid cooling and
circulating system.
The “CH” Series Chiller is designed to operate in a clean laboratory or industrial environment where ambient
temperatures range from 40 to100° F (5 to 38° C). With prope r in stallation, operation and maintenance , th e “ CH”
Series Chiller will provide years of trouble free service.
UNPACKING AND INSPECTION
This 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 the time of delivery and immediately reported to the carrier. Request
a written inspection report from the Claims Inspector to substantiate any necessary claims. In the event that an
immediate replacement is necessary, please contact Cornelius Chiller Sales at 1-800-551-4423.
DESIGN DATA
The voltage and the frequency are indicated on the serial number plate, located behind the drip tray and on the
right hand side near the controls.
CH250 CH251
Cooling Capacity:
BTU/hr (W) at 80° F (27° C) and 70°
F (21° C) Liquid Temperature
Compressor Horsepower .25 (.2 kW) .25 (.2 kW)
Electrical Data:
Voltage/Phase/Hertz/Amperage
Refrigerant Type R134a R134a
Physical Dimensions, Width X Depth
X Height
Fittings:
Process Connections 1/2” FPT (S/S) 1/2” FPT (S/S)
Optimum Process Liquid Flow GPM
(Liters/Min)
Condenser Air Flow (CFM) 225 225
3,000 (879) 3,000 (879)
115/1/60
7.5 Amps
17.125” X 14.125” X 13.375”
(43.5 cm X 35.9 cm X 34 cm)
0.6 (2.72) 0.6 (2.72)
230/1/60
3.8 Amps
17.125” X 14.125” X 13.375”
(43.5 cm X 35.9 cm X 34 cm)
DATA PLATE INFORMATION
© 1999-2010, IMI Cornelius Inc. - 1 - Publication Number: 620914801
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