Elkay HRC4-20W-1C Installation Manual

HRC4-20W-1C

Installation Instructions

HRC4-20W-1C

Refrigeration Packages

NOTICE: This water cooler must be connected to the water supply using a dielectric coupling.

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) 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.

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

97646C (Rev. B - 2/04)

ITEMIZED PARTS LIST

ITEM

PART NO.

NO.

50196C

28180C

23101C

23104C

28178C

28179C

23089C

28175C

27957C

28176C

30235C

30768C

30812C

35882C

35895C

35921C

17*

36074C

30233C

30234C

66632C

66625C

70772C

66204C

66629C

36079C

35845C

35846C

30560C

70482C

70483C

70274C

*INCLUDES RELAY & OVERLOAD. IF UNDER 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.

DESCRIPTION

Grommet Panel Insulation Box (Rear) Panel End Box Insulation (Front) Terminal 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 Drier Heat Exchanger Relay Cap-Capacitor End Bracket-Capacitor Terminal Cover Male Connector Fitting Elbow Fitting Compressor Mounting Sleeve

HRC4-20W-1C

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 shut-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 & MAINTENANCE

Temperature Control: Factory set for 50° F water under normal

conditions. To adjust water temperature, turn screw on Item No. 14

clockwise for colder, counter clockwise for warmer. 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.

WIRING DIAGRAM

11,13,18, 19, 25, 28

16, 26, 27

1, 31

97646C (Rev. B - 2/04)