Elkay EZO & LZO Series Sensor-Operated Water Coolers User manual

Page 1 2000000557 (Rev. B - 06/22)

LZO8WSN_2A

Combination Refrigerated Drinking Fountain (Cooler) and Bottle Filling Station delivers chilled, clean potable drinking water. Top Bottle





• Electrical: 220-240 Vac, 50/60 Hz, (See Nameplate for Amperage),

1 phase

• Ambient Air Temperature: 50-89.6 °F (10-32 °C)

• 

• 

• 

• Refrigerant: R290

• Ingress Protection: IP20

• 

• 

• 

DANGER 

WARNING

CAUTION

Denitions

Authorized Service Personnel



Safety

DANGER

• 



• After installation, keep these instructions in a safe location for future reference.

• 

• 

• 



Description

Ratings

WARNING

• Keep clear of obstructing all ventilation openings in the appliance enclosure or in the structure for building-in.

• Place in a well ventilated area to prevent accumulation of refrigerant.

• 

• 



• Installation and connection to water and electrical mains must be in compliance with local and national laws.

• 

Notice: 





Installation & Use Manual

Original Instructions

Model: EZO & LZO Series Sensor-Operated Water Coolers

Page 22000000557 (Rev. B - 06/22)

LZO8WSN_2A

Installation



• 

• 

• Unit not suitable for installations where water jets could be used.

DANGER

WARNING

• 

• 

• 

• 

• 

CAUTION

• 

• 

• 

Installation: Cooler Mounting

1. 

2. 

NOTE:



3. 

4. 

aside.

5. Connect water inlet line. Install trap. Remove the slip nut and gasket from the trap and install them on the cooler waste line making sure that



IMPORTANT:

Installation: Water Line connection

1. 

2. 



NOTE:

3. 



IMPORTANT:

• Hose-sets are not to be used for connecting to water mains.

• 



• 

CAUTION

• 





without supervision.

• 





• 

• 

• 

• Flammable gas monitor

• 

Page 3 2000000557 (Rev. B - 06/22)

LZO8WSN_2A

Figure 1

17-7/8"

(454mm)

(178mm)

6-3/8"

(162mm) 6-3/8"

(162mm) 15"

(381mm)

7/16" X 3/4"

(11mm X 19mm)

OBROUND

HOLES (6)

ACTIVATION

SENSOR

Ø 9/32" HOLES

(7mm)

(12)

(51mm) 2"

(51mm)

2-7/8"

(73mm)

FINISHED

FLOOR

(51mm)

51-9/16"

(1310mm)

38-1/2"

(979mm)

28-13/16"

(732mm)

21-7/8"

(556mm)

19"

(483mm)

17-7/16"

(443mm)

(178mm)

(51mm)

3-7/8"

(98mm)

5-3/4"

(146mm)

32-7/8"

(835mm)

ORIFICE

HEIGHT

31-5/16"

(796mm)

RIM

HEIGHT

5-7/8"

(150mm)

(51mm)

(77mm)

12-1/2"

(318mm)

27"

(686mm)

ADA

REQUIREMENT

HANGER

BRACKET

8-1/16"

(205mm)

19"

(483mm)

3-9/16"

(90mm)

18-7/8"

(479mm)

28-13/16"

(732mm)

13-15/16"

(354mm)

*ADA REQUIREMENT

REDUCE HEIGHT BY 3” (76MM) INCHES FOR INSTALLATION OF CHILDREN’S ACCESSIBLE COOLER















Installation: Waste Line connection

1. Install waste trap. Remove the slip nut and gasket from the waste trap and install them on the cooler waste line making sure that the end of



• IMPORTANT:

2. 

Page 42000000557 (Rev. B - 06/22)

LZO8WSN_2A

Operation: Start-Up

Figure 6

BOTTLE FILLING UNIT

WALL MOUNTING PLATE

1. 

holding top cover to Bottle Filler (see Fig 3). Remove top cover.

          

reinstall top cover.

2. Remove wall mounting plate from Bottle Filler. Place wall plate

against wall on top of basin. Center the wall plate side to side with



3. 

         



4. 

obround mounting holes (mounting bolts not included)



5. 

          

(10mm) tube, but do not discard. Feed the power cord (not provided)

       

prevent scratching the basin place a towel or soft cloth over the

entire basin when working above it.

6.           

bracket & (2) screws (See Fig 5).

 

basin gasket (See Fig 4).

8. 



wall and line up top cover two (2) holes.

1. 

2. 



WARNING

3. 

• 

NOTE:

4. 

5. Replace the lower panel ensuring that the metal wrapper is secured inside of the



6. 

Filler and unit into wall. Be sure to reinstall fuse to the circuit or switch the circuit



       



8. 

    



purged from the line.

9. 

for use.

Installation: Bottle Filler Mounting

Figure 2 Figure 3

Figure 4













Figure 5



9. Reinstall Top Cover on Bottle Filler (See Fig. 3) with two mounting screws from step 1 above.

Caution: Do not over tighten screws.

10. 



11. 

              



                

98568C is used on single cooler unit, the cooler is no longer

ADA compliant.

12. 

Installation: Electrical connection

1. 



BLK

COLD CONTROL

GND

FA N

WHT

RED

SENSOR

WHT

BLK

SOLENOID

VALV E

GREE N

RELAY MALE TERMINAL ON

WHITE SHORT LEAD

ON POWERCORD

GNDGND

OVERLOAD

EMI FILTER

OMPRESSOR

Wiring Diagram

Page 5 2000000557 (Rev. B - 06/22)

LZO8WSN_2A

Operation: Bottle Filler BF12 Control Board Set-Up

VERIFY CONTROL BOARD SOFTWARE



need to be shut down and restarted. The chiller (if present) does

not need to be shut down and restarted.

2) The units lower panel must be open to access the power cord and

wall outlet.





4) 



designation of BF12.

ACCESSING THE PROGRAMMING BUTTON

1) To access the program button remove the top cover of the bottle-



 

 

top cover after programming operations are completed. The

programming button is located at the top right side of the unit on

the control board.

RESET THE FILTER MONITOR







scroll through two messages:









back to bottle count and be back in run mode.











SETTING RANGE OF THE IR SENSOR WHERE APPLICABLE





scroll through two messages:





back to bottle count and be back in run mode.



















scroll through value of 1 – 10. Select the desired range setting,

 







make sure water is dispensed.

SETTING UNIT TYPE



 change and scroll

through two messages:





back to bottle count and be back in run mode.

2) 







Continued from below:





3) 

 

 selected the

 



rate is estimated at 1.0 gallon per minute (3.8 lpm).





 

20 oz (590 ml).

5) 

bottle counter and be in run mode.

RESETTING BOTTLE COUNT

NOTE: Once the bottle count is reset to zero there is no way to

return to the previous bottle count.



through two messages:









back to bottle count and be back in run mode.

















3) 









00000000 bottles.

5) Testing the bottle counter:









 



SETTING FILTER CAPACITY

 change and scroll

through two messages:





back to bottle count and be back in run mode.











“RST BCNT“ - Reset bottle count



3) 







bottle counter and be in run mode.

Page 62000000557 (Rev. B - 06/22)

LZO8WSN_2A

B CA

SIMPLY PUSH IN

TUBE TO ATTACH

TUBE IS SECURED

IN POSITION

PUSH IN COLLET

TO RELEASE TUBE

OPERATION OF QUICK CONNECT FITTINGS

PUSHING TUBE IN BEFORE

PULLING IT OUT HELPS TO

RELEASE TUBE







TUBE IS SECURED













A B C

2. Bubbler





3. Ventilation





4. 



5. 

6. 









Service: Adjustments

1. Temperature Control



2. 







3. Stream Regulator:

regulator part number.

4. 

5. Cooler Sensor Range Adjustment:



- Using a small tip screwdriver, locate range adjustment screw through the small hole between the sensor lenses. Turn this screw clockwise

to increase range and counterclockwise to decrease range.

6. Sensor Control:

- Ensure there are no obstructions within a 40 inch (1016mm) radius in front of cooler.

- Check wire connections at the solenoid valve and sensor.





Service: Inspection/Cleaning

• 

• 

1. Cleaning





Service

• 

• Protective gloves



DANGER

• 







• 

• 

CAUTION

• To prevent scratching the basin, place a towel or soft cloth over the entire basin when working above it.

• Do not puncture tubing.

• 

• 

• Place in a well ventilated area to prevent accumulation of refrigerant.

• 

CAUTION

• 

• 

CAUTION



CAUTION



 2000000557 (Rev. B - 06/22)

LZO8WSN_2A

Service: Inspection/Replacement

1. 

cooler to remove the lower shroud. To remove the upper shroud for access to the sensors, regulator, solenoid valve or other

components located in the top of the unit, remove lower shroud, disconnect drain, remove four screws from tabs along lower

edge of upper shroud, unplug two wires and water tube.

2. Bubbler







Replacement Parts: WaterSentry Filter Parts List

Item No.

Part No.

51300C



Description









Basin



WATER FILTER EXPLODED VIEW

• 



Figure 9 Figure 10

Figure 8





Inlet





Page 82000000557 (Rev. B - 06/22)

LZO8WSN_2A

Item No. Part No. Description

98631C

98544C



98546C



98549C

98551C

98552C

1000001813

98568C

Kit - Electrical Package 220V

Kit - IR Sensor

Kit - BF Solenoid Valve Replacement 220V

Kit - Aerator Replacement

Kit - Top Cover Replacement











Replacement Parts: Bottle Filler Parts List

Parts List

Item

No.

Part No. Description









28401C



36028C

2000000453

55994C

56228C





55996C









1100000005







1100000003



98898C

1100000004



1000004564

36066C

56213C

1000004564





0000001339

40319C

1100000002

2000000621

Hanger Bracket

Basin - Stainless Steel

Sensor-EE

Compressor Serv. Pack





Drier









Kit - Vandal Resistant Bubbler



Kit - Cold Control/Screws



Kit - Condenser/Drier





Push Front (EE)

Kit - Hardware for Panels





Kit - Regulator w/Holder & Nut



Panel - Access

Kit - Regulator w/Holder & Nut





Ferrule-Drain (BF)



Compressor Service Kit





same







Serial No. of cooler, name and part number of replacement part.

Page 9 2000000557 (Rev. B - 06/22)

LZO8WSN_2A





Figure 12

See Figure 9

Figure 11

Sensor Eye Adjustment screw

18 2

See Figure 12





Uses R290

refrigerant



NMEN

NAP

NMENT

EGULATO

SSEMBL



Adjustment Screw

19 28

Elkay EZO & LZO Series Sensor-Operated Water Coolers User manual

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