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IMI CORNELIUS REMCOR INC g 500 REGENCY DRIVE g GLENDALE HEIGHTS, IL 60139--2268
Telephone (800) 551--4423 Facsimile (800) 519--4423
CHILLER (“CH” SERIES)
Models: CH 951-A
CH 1500-A
Operator ’ s Manual
CH 1502-A
CH 1503-A
Part No. 92266
December 5, 1995
Revised: July, 1999
Revision C
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; 1995--99
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TABLE OF CONTENTS Page GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 UNPACKING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DESIGN DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
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GENERAL INFORMATION INTRODUCTION The REMCOR ”CH”Series Recirculating Liquid Chiller is designed to provide an accurate, reliable, and user-- friendly system for cooling a continuous flow of pure liquid and keep that liquid at a constant temperature in vari- ous 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 liquid reservoir package provides a complete
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It is very important that the air intake and discharge sides of the chiller are not obstructed by other free standing objects. A minimum of two feet of space on all four sides of the chiller will be sufficient to prevent air flow ob- structions. It is also important to direct any hot air discharge from other equipment away from the air intake side of the chill- er. Condenser air entering the “CH”unit should be below 100_F (38_C) .Condenser air temperatures above 100 _F (38_C) can cause the high
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Chiller Operation WARNING: NEVER OPERATE THE CHILLER WITH THE PANELS REMOVED. ALWAYS USE THE POWER SWITCH TO TURN OFF THE CHILLER WHEN IT IS NOT BEING USED. ALWAYS ENSURE THAT ALL AIR INLETS AND OUTLETS ARE FREE FROM OBSTRUCTION. BE SURE THAT THE RESERVOIR IS FILLED WITH FLUID PRIOR TO POWERING UP THE UNIT. Process Liquid Flow After ensuring that the system piping is free from obstruction, that all valves are open, and the reservoir is full, push the CONTROL POWER switch to the ”ON”position. The
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COOLING OPERATION REMCOR CHXXX SERIES CHILLER CONTROL POWER COOLING SAFETY CONTROL PANEL RED INDICATOR GREEN INDICATOR WHITE INDICATOR/PUSH BUTTON FIGURE 2. CONTROL PANEL Temperature Indicator/Controller (Thermostat) Combines a precise temperature control and easy programmability with a convenient LED temperature readout that indicates system liquid temperature (2_F Differential). To adjust thermostat, see next section. 1. CONTROL POWER SWITCH/LIGHT A simple ON/OFF push--button that switches pow
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START--UP IT IS IMPORTANT THAT THE LIQUID LEVEL SIGHT GLASS READS ”FULL”. IN THE EVENT THAT THE RESERVOIR IS EMPTY, THE UNIT WILL REMAIN OFF UNTIL AN ADEQUATE LEVEL OF LIQUID IS AT- TAINED. MAKE SURE CHILLER POWER IS ”OFF” PRIOR TO FILLING RESERVOIR. Push CONTROL POWER button IN. All alarm indicators should be extinguished and the Chiller system will cycle in order to maintain the established set-point. The Chiller is now ready for normal operation. Thermostat Control _ F up 0 out 7 down set FIG
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Pump Motor The PUMP MOTOR should be lubricated with thirty drops of SAE 20 oil once a year. Circulation System The CIRCULATION SYSTEM should be drained and flushed periodically to avoid build up and possible flow re- striction caused by contaminants. Filters/Strainers The FILTER located inside of the unit at the inlet of the pump should be cleaned periodically depending on ap- plications. If a reduction in flow or cavitation of the pump occurs, remove the in--line FILTER, back-flush it with wate
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TROUBLESHOOTING WARNING: Disconnect electrical power to the Chiller to prevent personal injury before attempting any internal maintenance. Only qualified personnel should service internal components or electrical wiring. TROUBLE PROBABLE CAUSE REMEDY CHILLER DOES NOT A. No Power To Unit. A. Check Main disconnect fuses, OPERATE, CONTROL wiring, and power lead to unit. POWER LIGHT “OFF” B. Defective Control Power B. Replace Switch Switch. C. Defective Control Transformer. C. Replace Transformer D.
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TROUBLE PROBABLE CAUSE REMEDY CHILLER DOES NOT A. Unit is operating under high A. Check for dirty condenser fins or OPERATE, BUT COOLING pressure conditions. obstruction of chiller air intake. LIGHT IS “ON”AND SAFETY Press high pressure manual reset LIGHT IS “ON”. switch. B. Unit is operating under low B. Check sight glass, if bubbles are pressure conditions. seen, leak check unit and recharge with refrigerant. or If no bubbles are seen, replace defective TXV. C. Unit is operating under low C. A
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46 51 48 10 13 44 49 11 32 35 17 24 15 23 39 25 47 33 33 50 45 52 50 35 6 5 27 42 13 16 26 43 17 41 28 36 32 14 39 29 36 30 16 38 37 20 34 40 1 9 3 31 2 17 4 35 7 21 19 22 18 12 16 17 35 8 FIGURE 4. CABINET SECTION EXPLODED VIEW 9 92266
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CABINET SECTION Index Index No. Part No. Qty Name No. Part No. Qty Name 1 15166 1 Frame 23 32807 1 Indicator Light, Red, 24v 2 15207 2 Support Panel (CH 951) 24 32808 1 Indicator Light, Green, 24v 15426 2 Support Panel (CH 1502) 25 32806 1 Switch, White, Lighted 24v 3 61170 1 Pump and Tank Ass’ y (CH 951; See 26 71058 1 Gauge, Pressure (CH 951) Figure 6) 70950 1 Gauge, Pressure (CH 1502) 61167 1 Pump and Tank Ass’ y (CH 1502; See 27 70325 2 Clamp Figure 6) 28 70951 8 Fastener, Clip On 4 70190 2
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24 23 4 18 5 3 22 16 19 18 6 18 2 1 7 14 21 17 20 15 FIGURE 5. ELECTRICAL BOX ASSEMBLY EXPLODED VIEW ELECTRICAL BOX ASSEMBLY Item Part Item Part No. No. Qty. Name No. No. Qty. Name 1 15269 1 Electrical Box 12 33577 1 Wire Harness, Hot Gas (CH 951; Not Shown) 2 309060 1 Terminal Board 33606 1 Wire Harness, Hot Gas (CH 1502; Not 3 31001 1 Thermostat Shown) 4 32804 1 Transformer, 24V 50VA 13 33578 1 Wire Harness, Thermostat (Not Shown) 5 32922 1 Contactor, Compressor 14 50459 1 Heyco Bushing 6 3308
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35 23 18 28 17 44 46 45 3 18 31 16 38 8 17 28 14 2 48 18 22 7 29 35 34 39 9 14 14 40 46 15 22 37 16 1 30 18 28 32 30 26 19 10 24 33 14 43 25 27 11 18 16 12 16 35 35 36 18 47 32 18 33 13 16 35 42 19 18 17 6 35 21 41 4 17 20 30 5 FIGURE 6. PUMP AND TANK ASSEMBLY 92266 12
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PUMP AND TANK ASSEMBLY Item Part Item Part No. No. Qty. Name No. No. Qty. Name 29 41473 1 Nipple, 1/2-NPT, Stainless Steel (CH 951) 1 15162 1 Base 40902 1 Nipple, 1/2-NPT, Brass (CH 1502) 2 53206 1 Tank 30 41477 2 Nipple, 3/4-NPT, Stainless Steel (CH 951) 3 53192 1 Cover 41442 3 Nipple, 3/4-NPT, Brass (CH 1502) 4 27866 1 Thermalwell 31 41478 1 Fitting, 1/2-MPT, Stainless Steel (CH 5 61169 1 Evaporator 951) 6 32382 1 Motor, Pump, 1/3 HP 115/230V 41495 1 Fitting, 1/2-MPT, Brass (CH 1502) 7 53223 1
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WARRANTY IMI Cornelius Inc. warrants that all equipment and parts are free from defects in material and workmanship un- der normal use and service. For a copy of the warranty applicable to your Cornelius, Remcor or Wilshire prod- uct, 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 AUSTRALIAD P.O. 210,D RIVERWOOD,D NSW 2210, AUSTRALIA D (61) 2 533 3122 D
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THIS PAGE LEFT BLANK INTENTIONALLY 15 92266
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IMI CORNELIUS INC. CORPORATE HEADQUARTERS: One Cornelius Place Anoka, Minnesota 55303-6234 (612) 421-6120 (800) 238-3600
