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

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

Elkay EZO & LZO Series Sensor-Operated Water Coolers provide a steady stream of chilled drinking water and a touchless bottle filling station. Ideal for commercial indoor use, these coolers feature a refrigerated drinking fountain and a bottle filler, offering clean, potable water with a simple touch.

Elkay EZO & LZO Series Sensor-Operated Water Coolers provide a steady stream of chilled drinking water and a touchless bottle filling station. Ideal for commercial indoor use, these coolers feature a refrigerated drinking fountain and a bottle filler, offering clean, potable water with a simple touch.

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
F
A
C
L
C
E
B
E
D
17-7/8"
(454mm)
7"
(178mm)
7"
(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)
2"
(51mm) 2"
(51mm)
2-7/8"
(73mm)
FINISHED
FLOOR
2"
(51mm)
51-9/16"
(1310mm)
38-1/2"
(979mm)
28-13/16"
(732mm)
21-7/8"
(556mm)
19"
(483mm)
17-7/16"
(443mm)
7"
(178mm)
7"
(178mm)
2"
(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)
2"
(51mm)
3"
(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






29
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
23
1
5
6
M
S
C
3
12
SOLENOID
VALV E
GREE N
RELAY MALE TERMINAL ON
WHITE SHORT LEAD
ON POWERCORD
GNDGND
OVERLOAD
EMI FILTER
C
OMPRESSOR
Wiring Diagram
12
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.
1
2
Part No.
51300C

Description




11
Basin

1
WATER FILTER EXPLODED VIEW
• 
• 

Figure 9 Figure 10
Figure 8
2


Inlet
11


Page 82000000557 (Rev. B - 06/22)
LZO8WSN_2A
Item No. Part No. Description
NS
NS
NS
NS
29
NS
NS
NS
NS
NS
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
1
2
3

5
6
8
9
10
11
12
13
14
15
16

18
19
20
21
22
23
24
25
NS
26

NS
28
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

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Figure 12
23
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See Figure 9
Figure 11
Sensor Eye Adjustment screw
18 2
See Figure 12
19
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20
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22
Uses R290
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11
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26
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LI
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NMENT
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EGULATO
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SSEMBL
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18
6

Adjustment Screw
19 28
28
19
25
8
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Elkay EZO & LZO Series Sensor-Operated Water Coolers User manual

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

Elkay EZO & LZO Series Sensor-Operated Water Coolers provide a steady stream of chilled drinking water and a touchless bottle filling station. Ideal for commercial indoor use, these coolers feature a refrigerated drinking fountain and a bottle filler, offering clean, potable water with a simple touch.

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