Elkay ERW20-1C Wiring Diagram, Installation, Start-Up, Trouble Shooting & Maintenance

Models: ERW20-1C

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INSTALLATION

ERW20-1C

ITEMIZED PARTS LIST

ITEM

PART NO.

DESCRIPTION

NO.

 

 

 

 

 

1

50196C

Grommet

2

28180C

Panel Insulation Box (Rear)

3

23101C

Panel End

4

23104C

Box Insulation (Front)

5

28178C

Terminal Box

6

28179C

Grille

7

23089C

Cover Terminal Box

8

28175C

Rear Panel

9

27957C

Cover Insulation Box

10

28176C

Base Ass'y

11

30235C

Terminal Cover

12

30768C

Solenoid Valve

13

30812C

Overload

14

35882C

Cold Control

15

35895C

Cold Control Freeze Protect

16

35921C

Capacitor

17*

36074C

Compressor Service Pak

18

30233C

Overload Spring

19

30234C

Clip Compressor

20

66632C

Condenser

21

66625C

Evaporator

22

70772C

Drain Plug

23

66204C

Drier

24

66629C

Heat Exchanger

25

36079C

Relay

26

35845C

Cap-Capacitor End

27

35846C

Bracket-Capacitor

28

30560C

Terminal Cover

29

70482C

Male Connector Fitting

30

70483C

Elbow Fitting

31

70274C

Compressor Mounting Sleeve

 

 

 

*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.

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

WIRING DIAGRAM

Lubrication: Motors are lifetime lubricated.

 

24

 

 

9

14

15

7

 

21

2

4

22

17

6

1, 31

 

 

 

10

 

 

5

3

20

23

12

30

29

8

11,13,18, 19, 25, 28

16, 26, 27

ELKAY MANUFACTURING COMPANY • 2222 CAMDEN COURT • OAK BROOK, IL 60523 • 630.574.8484

REPAIR SERVICE INFORMATION TOLL FREE NUMBER 1.800.260.6640

FOR PARTS, CONTACT YOUR LOCAL DISTRIBUTOR OR CALL 1.800.323.0620

97644C (Rev. B - 2/04)

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Elkay ERW20-1C installation instructions Wiring Diagram, Installation, Start-Up, Trouble Shooting & Maintenance