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5. For Units With a Timer 

B) Set Timer to STD/AUTO Mode 

Timer Functions 

A. Clock 
B. Timer 

STD/AUTO 

C.  Set Sleep Delay Time* 
D. Set 

ON/OFF 

Times* 

E. Filter 

Life 

i. Remaining Life 

ii. Filter Reset 

iii. Filter Life 

F. Service 

Menu 

 

* ON/OFF times & Sleep Delay Time 
only operate in AUTO Mode. 

To select a Timer Mode 

 

Press the (

Prog

) button until the desired 

mode is displayed on the screen. Press 
the (

Accept)

 button to confirm 

selection.

 

Pressing (

Cancel

) button at 

any time returns the unit to the main 
menu. Any functions previously 
accepted will be retained.

 

Note: The display will revert back to 
main menu from any mode if a button 
has not been pressed for 1 minute.

 

A) Setting the Clock 

 

Select the clock mode  
(Prog>

Clock

>Accept) 

Display Shows

:  “Set Clock Day”. 

 Press the (

UP

) button until the desired 

day appears on the screen and press 
the (

Accept

) button to confirm 

selection. 

 

Display Shows

: “Set Clock HOUR” 

Press the (

UP

) button until the desired 

hour (24 Hour Time) appears flashing 
on the screen and press the (

Accept

button to confirm selection. 

 

Display Shows

: “Set Clock MIN” 

Press the (

UP

) button until the desired 

minute appears flashing on the screen. 
Press the (

Accept

) button to confirm 

selection and the display reverts to the 
main menu. 
 
 
 
 
 

 

Select the Timer STD/AUTO mode 
(Prog>

Timer STD/AUTO

>Accept)

 

 

Display Shows

:  “STD” 

Pressing the (

UP

) button alternates the 

“STD”/“AUTO” icons. STD operation means 
that the unit operates 

24 hours

 a day, Auto 

mode reverts the unit to operate at the pre 
set times on the timer. Press the (

Accept

button to confirm selection and the display 
reverts to the main menu. If the timer is in 
AUTO mode, pushing any Timer key will 
reactivate the unit. The unit will operate 
normally until the next programmed “Off” 
time. 

 

C) To Set Sleep Delay Time. 

 

Select the Sleep on/off mode (Prog>

Sleep 

DelayTime

>Accept)

 

Display Shows

:  “Sleep DelayTime”                             

“ OFF”.  

The sleep function puts the unit in a 
standby mode after user defined period. 
The Sleep Delay will be factory set to OFF 
as the default setting. Pressing the (

UP

button increases the delay time up to 6 
hours. Press the (

Accept

) button to confirm 

selection and the display reverts to the 
main menu. The unit will go into “Sleep” 
mode if it has 

 not

 been used for the “Sleep 

Delay Time” period. To exit “Sleep”, push 
any Timer key.

 

 

D) To Set ON/OFF Times 

 

Select the Timer ON/OFF mode  
(Prog>

Set ON/OFF times

>Accept) 

Note: to set the unit to be in off mode for an 
entire day, set the “on” and “off” times to be 
the same eg: On = 0:00 Off = 0:00 

 
 

Display Shows

:  “SUN” “7:00 – 7:00”              

“Set ON hour”.  

Press the (

UP

) button until the desired hour 

appears on the screen and press the 
(

Accept

) button to confirm selection. 

 

Display Shows

:  “SUN” “7:00 – 7:00”               

“Set ON minute”.  

Press the (

UP

) button until the desired 

minute appears on the screen and press 
the (

Accept

) button to confirm selection. 

 
 
 

8. 

 

H. TAP OUTLET 

4. OPERATION 

 

 

To prevent damage during transport the 
tap is wrapped and placed inside the 
carton. 

When the installation is complete, first turn on 
the water supply before switching on the 
power. The unit is programmed to 
automatically operate 24 hours a day, 7 days 
a week. It is highly recommended for the user 
to program the timer (if the unit supplied has 
one), as this will increase the life of the unit,  

The tap is connected to the tap extension 
by a chrome-plated nut and tightened 
using a 29 mm AF spanner. 

J. ELECTRICAL REQUIREMENTS: 

WARNING:

 

If this boiling water unit is to be installed 
in a newly constructed building, ensure 
that all electrical tests including 
insulation tests have been performed 
prior to plugging in and switching on 
your new Boiling Water Unit. Failure to 
do so could damage the electronics. 

and consume less power (see Section 5 for 
how to program the timer).  
The electronic controller constantly monitors 
and controls the water level and water 
temperature to optimise the boiling wate 
delivery. 
 
 

 

 

• 220 –240 Volts AC, 50 Hz, Single Phase 
• 10 Amps on 3, 5, 7.5,10 & 15 litre models 
• 15 Amps on 25 litre model 
• 20 Amps on 40 litre model 

A flexible cord complete with a plug is 
supplied on all 3, 5, 7.5, 10 and 15 Litre 
models. Do not loosen the cord grip or 
pull excess cord into the Lazer. If the 
supply cord of this unit is damaged, it 
must be replaced by the manufacturer or 
a qualified service person. 

The 25 and 40 litre models must be 
installed with fixed wiring. A means of 
disconnection from all active (phase) 
conductors of the power supply must be 
incorporated during installation in 
accordance with the wiring rules. 

 

Operation based on an inlet water 

temperature of 18ºC 

Lazer 
Size

 

Approx Recovery  

Litres / Hour 

Approx. Time to heat 

full Capacity 

(in minutes) 

3.0 L 

17.5 

12 

5.0 L 

21 

15 

7.5 L 

21 

22 

10 L 

21 

29 

15 L 

21 

40 

25 L 

33 

40 

40 L 

41 

50 

 

 

 

 

 

 

 

 

SPECIFICATION 

  

3 Litre 

5 Litre 

7.5 Litre

10 Litre  15 Litre  25 Litre  40 Litre 

  Classic Series 

 

  

  

 

  

  

  

 Approx Weight (kg) Empty 

10 

15 

17 

19 

 Approx Weight (kg) Full 

10 

15 

19 

22 

34 

47 

67 

 Minimum Water Pressure kPa 

50 

50 

50 

50 

75 

75 

100 

 Maximum Water Pressure kPa 

1000 

1000 

1000 

1000 

1000 

1000 

1000 

 

Element 

Size 

kW 

 

 

 

 

 

 

 

1.8

2.4

2.4

2.4

2.4

3.6

4.6

5. 

 

Summary of Contents for 10 Litre

Page 1: ...Part No 316937A OWNERS GUIDE INSTALLATION INSTRUCTIONS CLASSIC SERIES POWDER COATED Models 3 5 7 5 10 15 25 40 Litre STAINLESS STEEL Models 7 5 10 15 25 40 Litre IMPORTANT PLEASE LEAVE WITH THE OWNER...

Page 2: ...ction 4 H Tap Outlet 5 J Electrical Requirements 5 4 OPERATION 5 MOUNTING DIMENSION SPECIFICATION FOR ALL MODELS drawing 6 DIMENSION SPECIFICATION FOR ALL MODELS drawing 7 5 FOR UNITS WITH A TIMER 8 A...

Page 3: ...ct your local Rheem office for advice Be sure that the mounting screws are securely inserted into the keyhole slots The screws MUST be anchored in such a way that they will hold the weight of the unit...

Page 4: ...n pipe must discharge to waste at a point where no scald injury nuisance nor inconvenience is caused to people in the immediate vicinity WARNINGS Ensure the overflow vent line remains open because the...

Page 5: ...mise the boiling wate delivery 220 240 Volts AC 50 Hz Single Phase 10 Amps on 3 5 7 5 10 15 litre models 15 Amps on 25 litre model 20 Amps on 40 litre model A flexible cord complete with a plug is sup...

Page 6: ...tre 10 Litre 15 Litre 25 Litre 40 Litre J mm 46 46 46 46 75 75 75 K mm 189 241 241 241 340 340 340 L mm 31 31 31 31 20 20 20 MOUNTING DIMENSION SPECIFICATION All models Figure 2 Overflow Vent Connecti...

Page 7: ...e 25 Litre 40 Litre A mm 283 334 334 334 490 490 490 B mm 143 176 176 176 180 235 325 C mm 400 430 515 615 615 615 615 D mm 234 267 267 267 271 326 416 E mm 15 15 15 15 8 8 8 F mm 50 50 50 50 32 32 32...

Page 8: ...hows STD Pressing the UP button alternates the STD AUTO icons STD operation means that the unit operates 24 hours a day Auto mode reverts the unit to operate at the pre set times on the timer Press th...

Page 9: ...XXX C Press the Cancel button to revert back to the main menu Display Shows Remaining Life XXXX litres iv For Calibration Reset mode Press the Cancel or Accept button to revert back to the main menu...

Page 10: ...ement is properly wired then check its resistance Replace if broken Electronic Controller failure Test the electronic controller 2 The unit fills water to low level and does not heat Thermistor failur...

Page 11: ...NOTES 11...

Page 12: ...re does not cover any plumbing or electrical parts supplied by the installer and not an integral part of the Boiling Water Unit e g pressure limiting valve stop cock electrical switches pumps or fuses...

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