Elkay ERW20-1B User's Manual
Contents
1. ERW20 1B 2B Installation Instructions ERW20 1B 2B Refrigeration Packages 211 16 545 mm T 179 mm Mie 27 mm 19 va i 260 mm 1 ie 40 mm I 25 mm TOP VIEW TEMPERATURE ADJUSTMENT 32 mm 5 5 8 4 573g 06 mm ELECTRICAL 3 8 0 D TUBE WATER OUTLET 2 Vet 54 mm LEGEND A 3 8 O D TUBE WATER OUT B 3 8 O D TUBE WATER INLET C 3 8 O D TUBE TANK DRAIN NOTE It is important to insure proper ventilation Allow a minimum clearance of 12 inches 305 mm in front and 3 inches 76mm in the rear of the unit If unit is to be installed in an enclosure allow the following clearances around unit 1 inch 25mm each side 3 inches 76mm in the rear 3 inches 76mm inches above wall This chiller has been designed for use with potable water and includes an o ring seal on the drain plug The fitting should be replaced if the unit is to be used with more aggressive fluids For use with photo processing applications adjust cold control to warmer settings 97560C REV B 4 00 ITEMIZED PARTS LIST DESCRIPTION 100806740570 19037000 23088C 23100C 23101C 23104C 26706C 26707C 26708C 26709C 27597C 28108C 30235C 30768C 35880C 35882C 35895C 35977C 35986C 30233C 30234C 66226C 66563C 70772C 1 2 3 4 5 6 T 8 9 Grommet Clip Bracket Conduit Panel Insulation Box Rear Panel End Box Insulation Front Ter2. minal Box Grille Cover Terminal Box Rear Panel Cover Insulation Box Base Ass y Terminal Cover Solenoid Valve Overload Cold Control Cold Control Freeze Protect Capacitor Compressor Service Pak Overload Spring Clip Compressor Condenser Evaporator Drain Plug ERW20 2B 220 240V 50 HZ Na DESCRIPTION INCLUDES RELAY amp OVERLOAD IF UNDER Terminal Cover Solenoid Valve Overload Capacitor run Capacitor start Compressor Serv Pak Overload Spring Relay Gasket WARRANTY REPLACE WITH SAME COMPRESSOR USED IN ORIGINAL ASSEMBLY NOTE All correspondence pertaining to any of the above water cooler or orders for repair parts MUST include model number and serial number of cooler name and part number of replacement part ERW20 1B 2B INSTALLATION 1 Potable water inlet and outlet are 3 8 9 mm O D tube located on top of unit Water cooled condenser inlet and outlet are 3 8 9 mm O D tube located on right front of unit Installer to provide air gap at condenser water outlet to comply with local plumbing specifications Contractor to supply connections as required 2 Connecting lines to be of copper thoroughly flushed to remove all foreign matter before being connected to cooler If flushing does not remove all particles a water strainer should be installed in supply line 3 Connect cooler to building supply line with a shu
3. t off valve and install a union connection between the valve and cooler 4 Electrical Make sure power supply is identical in voltage cycle and phase to that specified on cooler serial plate Never wire compressor directly to the power supply START UP 1 Open supply line valve 2 Purge air from all water lines by operating bubbler valve of fountain 3 Connect to electrical power TROUBLE SHOOTING amp MAINTENANCE Temperature Control Factory set for 50 F water 5 under normal conditions For colder water adjust screw on item no 16 CW Ventilation Cabinet louvers should be periodically cleaned with brush air hose or vacuum cleaner Excess dirt or poor ventilation can cause no cold water and compressor cycling on the compressor overload protector Lubrication Motors are lifetime lubricated 16 174148 9 7 3LACK FR GRN wae CO 22 RED OR EES COLD CONTROL SOLENOID m x VALVE CAPACITOR COMPRESSOR BLK O L 14 RED s R eag WHITE 19 WIRING DIAGRAM e 13 15 20 21 3 97560C REV B 4 00 24 12 8 1 2 ELKAY MANUFACTURING COMPANY 2222 CAMDEN COURT OAK BROOK IL 60523 630 574 8484 FOR PARTS CONTACT YOUR LOCAL DISTRIBUTOR OR CALL 1 800 323 0620
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