Rheem Lazer Classic Series Instruction Manual

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
Part No. 316935A

CONTENTS
1. WARNING .....................................................................................................3
2. WATER QUALITY .........................................................................................3
3. INSTALLATION .............................................................................................3
A. Location .................................................................................................3
B. Opening the Unit ....................................................................................3
C. Minimum Clearance ...............................................................................3
D. Mounting ................................................................................................3
E. Water Supply Connection ......................................................................3
F. Overflow / Vent Connection Importance .................................................4
G. Drain Connection ...................................................................................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. Setting The Clock....................................................................................8
B. Setting the Timer to STD/Auto Mode ......................................................8
C. Setting Sleep Delay Times......................................................................8
D. Setting On/Off Times ..............................................................................8
E. Filter Life.................................................................................................9
F. Service Menu ..........................................................................................9
6. FOR UNITS WITHOUT A TIMER.................................................................10
FAULT FINDING GUIDE..................................................................................11
WARRANTY INFORMATION...........................................................................12
2.

LAZER BOILING WATER UNIT
INSTALLATION AND OWNERS GUIDE
Thank you for choosing our Lazer Boiling
Water Unit. Please take a few minutes to
read this booklet because it contains
important information about the correct
installation and operation of your Lazer
unit.
1. WARNING:
This Lazer unit produces boiling water
(third degree burns may occur) and care
should be taken at all times when using it.
This unit is not intended for use by infirm
persons and young children should be
supervised to ensure that they do not play
with the unit.
2. WATER QUALITY
Caution is suggested if the Boiling Water
Unit is to be connected to a water supply
with a high content of silica or calcium.
Water supplies of this nature may be
detrimental to the unit’s operation and
may cause the warranty to become void.
For further information relating to the
guidelines of water quality, contact your
local Rheem office for advice.
3. INSTALLATION
This boiling water unit shall be installed by
a qualified service person. The installation
must comply with AS/NZS 3500.4 and all
relevant statutory and local body
requirements of the state in which the
Boiling Water Unit is installed.
A. LOCATION
This unit is designed for interior
installation only.
B. OPENING THE UNIT
To remove the jacket from models 3, 5,
7.5 & 10 L remove the 4 retaining screws
at the top and bottom and pull the jacket
forward. For models 15, 25 and 40 L
unscrew the lid at the top and service
plate on the left hand side.
C. MINIMUM CLEARANCES
For ventilation reasons, all units require a
minimum clearance of 50mm on all sides.
For ease of servicing (where there is
sufficient space) we recommend 300mm
clearance from the top of all units. For
element replacement reasons we
recommend clearance of 150mm from
the right hand side of 3 to 10 litre units
and 300mm from the left hand side of the
15 to 40 litre units.
D. MOUNTING
The Lazer when installed is suspended
from mounting screws located into
keyhole slots at the back of the unit
(refer to the Mounting Dimension
Specification on page 6).
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 when filled with water, (refer to the
specification table on page 5).
WARNING:
Before drilling into the wall make sure
that the screw positions avoid any pipe-
work or electrical cables. Allow 4 mm
clearance between the screw head and
the wall for locating the unit.
E. WATER SUPPLY CONNECTION
Cold mains pressure water (refer to
specification table on page 5 for minimum
water pressures) must be piped and
connected to the ½” BSP inlet fitting
located on the left hand side underneath
the unit. An accessible isolating valve
must be installed near the unit.
This unit contains an inlet strainer on the
water inlet connection (refer to figure 1).
To ensure continuing satisfactory
operation, it is suggested that the inlet
strainer be serviced every six months by
a qualified service person. Where poor
water quality is present it is
recommended to install an additional
auxiliary filter.
3.

For rear entry connection on 3-10 Litre
models, we recommend that you use a
braided flexible hose with a 90 elbow for
ease of connection.
F. OVERFLOW / VENT
CONNECTION IMPORTANCE
Connect a 15 mm (½”) pipe to the
overflow/vent connection (½”BSP nipple).
This pipe is to be made of a material such
that continuous steam will not degrade it
(i.e. copper). This pipe must have a
continuous fall, not exceeding 3 metres in
length and / or contain no more than 4
bends (refer to figure 2).
Figure 1: Water Connection
If the site situation requires a pipe length
exceeding 3 metres, then discharge the
overflow/drain into a tundish.
The drain pipe work must not exert a
pressure of more than 1 metre of head on
the Lazer boiling unit (refer to figure 2).
During normal operation of the Lazer, the
overflow/vent connection may discharge
small quantities of steam and
condensate, so it is ESSENTIAL that the
drain pipe is attached to the overflow vent
connection. This drain 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 Lazer’s tank is not
designed to be pressurised. Where
freezing may occur, protect the pipes and
install an air break. It is recommended to
install an air break in the overflow/vent
drain line, no more than 300 mm from the
Lazer unit. Also it is important to connect
the overflow/vent and water inlet
correctly. Incorrect connection of pipe
work may damage the unit.
G. DRAIN
WARNING:
Before draining the unit, ensure
the appliance has been switched
off, and water is not hot enough to
scald.
To drain 3-10L models, turn unit off and
open tap until no water flows out.
Remove unit from wall and tip over with
tap open until unit is empty. For 15-40L
units. A drain plug is accessible from the
bottom of the unit (note switch unit off
before draining)
IMPORTANT
Installation and maintenance of the Lazer Boiling Water
unit shall be carried out by a qualified service person.
Your closest Rheem Service Centre can be contacted by
telephoning 0800 657 335
4.

H. TAP OUTLET
To prevent damage during transport the tap
is wrapped and placed inside the unit
enclosure near the solenoid valve & vent
fittings. 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.
• 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.
4. OPERATION
When the installation is complete, first
turn on the water supply before
switching on the power.
On initial start-up, the unit automatically
runs through a set-up cycle to detect the
boiling point of water (calibration cycle)
and during this cycle steam may
discharge from the vent pipe for a short
time. It is important not to operate the
tap during the set-up cycle because it
may affect the operating temperature of
the unit. After the boiling point is
detected the unit automatically starts
incremental filling.
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,
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 water delivery.
Operation based on an inlet water
temperature of 18ºC
LAZER
Size
(Litre)
Calibration
Cycle
(min)
Approx
Recovery
(Litres / Hour)
Approx. Time
to heat full
Capacity (min)
3.0
22
17.5
12
5.0
21
15
7.5
21
22
10
21
29
15
21
40
25
33
40
40
30
41
50
5.
5.

DIMENSION SPECIFICATION
Classic models
Dimension
3 Litre
5 Litre
7.5 Litre
10 Litre
15 Litre
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
G mm
53
53
53
53
103
103
103
H mm
18
18
18
18
32
32
32
N mm
212
245
245
245
249
304
394
M mm
142
167
167
167
245
245
245
7.
Figure 4: Dimension Specification

SPECIFICATION
3 Litre
5 Litre
7.5 Litre
10 Litre
15 Litre
25 Litre
40 Litre
Classic Series
Approx Weight (kg) Empty
6
8
9
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
Classic Models
Dimension
3 Litre
5 Litre
7.5 Litre
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 3: Mounting Dimension Specifications
Figure 2: Overflow / Vent Connection

5. For Units With a Timer
Timer Functions
A. Clock
B. Timer STD/AUTO
C. Set Sleep Delay Time*
D. Set ON/OFF Times*
E. Filter Life
ii. Remaining Life
iii. Filter Reset
iv. 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.
B) Set Timer to STD/AUTO Mode
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.

Display Shows: “SUN” “7:00 –7:00”
“Set OFF 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 OFF Minute”.
Press the (UP) button until the desired
minute appears on the screen and press
the (Accept) button to confirm selection
and advance to the next day.
Display Shows: “MON” “7:30 –15:30”
“Set ON hour”.
Note: Continue with same procedure for
Monday through to Saturday.
E) Filter Life
Select the Appropriate Filter Mode
i. Remaining Life
ii. Filter Reset
iii. Filter Life
i) To Select Remaining Life mode
(Prog>Filter Life>Accept>Remaining Life)
Display Shows: “Remaining Life”
“XXXX litres“
Press the (Cancel) or (Accept) button to
revert back to the main menu.
ii) To Select the Filter Reset mode
(Prog> Filter Life >Accept>filter
reset>Accept)
Display Shows: “Filter Reset”
Press the (Accept) button to confirm
selection at which time you are prompted
“Are you sure?”. Press (Accept) once
more reset the filter and to return to the
Filter Life Menu.
iii) To Select the Filter Life mode
(Prog> Filter Life >Accept>Set Filter
Life>Accept)
Display Shows: “Set Filter Life”
“5000 Litres”.
Pressing the (UP) button increases the
5000 litres value in increments of 500
litres to a maximum value of 12000 litres.
Press the (Accept) button to confirm
selection and the display reverts to the
Filter menu.
F) To Service Menu
Select Appropriate Service Mode
i. Error Codes
ii. Boiling Temp
iii. Chiller Temp
iv. Calib Reset
v. Software Version
vi. Temp Show ON/OFF
i) Product Error Codes
(Prog>Service>Accept>Error Codes)
This function allows easy identification of
problems occurring with the unit by
service technicians.
ii) For Boiling Unit Display Temp mode
(Prog>Service>Accept>Boiling Temp)
Display Shows: “XXX ˚C“
This function displays the current hot
water temperature.
Press the (Cancel) button to revert back
to the main menu.
iii) For Chiller Unit Display Temp Mode
(NOT USED ON LAZER PRODUCTS)
(Prog>Service>Accept>Chiller Temp)
Display Shows: “XXX ˚C“
Press the (Cancel) button to revert back
to the main menu.
iv) For Calibration Reset mode
(Prog>Service>Accept>Calib.Reset>Accep
t)
Display Shows: “Calib. Reset“
This function recalibrates the boiling
water unit to boiling point. Press the
(Accept) button to recalibrate the boiling
point. Press (Accept) again at the “Are
You Sure” prompt. Press the (Cancel)
button to revert back to the Main menu.
v) To Display the Software Version
(Prog>Service>Accept>Software
Version>Accept)
vi) Temp Show On/Off
(Prog>Service>Accept>TempShow
ON/OFF)
This function allows the temperature of
the water within the boiling water unit to
be displayed permanently on the screen.
Press the (Accept) button to confirm
selection and the display reverts to the
main menu.
9.

6. For Units Without a Timer
Decal Functions
A) Cal Reset Button
B) Filter Reset Button
C) Power LED (Red)
D) Ready LED (Green)
E) Filter LED (Orange)
A) Cal Reset Button
The (Cal Reset) button allows the
operator to re-calibrate the boiling
temperature of the boiling water unit.
The reset function is enacted when the
operator switches the boiling water unit
off at the electrical supply, and then turns
the boiling unit back on while holding the
(Cal Reset) button down. The electronic
controller will then go through a series of
procedures that will take approximately
10 minutes, after which time the boiling
water unit will be re-calibrated.
B) Filter Reset Button
The (Filter Reset) button is used to count
the volume of water passed through the
unit, to help determine the life of any filter
attached to the unit. To reset the filter the
operator only has to push the (Filter
Reset) button for 10 seconds.
C) Power LED (Red)
The red Power LED shows that there is
mains voltage going to the electronic
controller.
D) Ready LED (Green)
The green Ready LED shows the status
of the water temperature within the
Boiling Water Unit.
When the green Ready LED is flashing, it
means that the water temperature is
below the operating range of the unit.
When the green Ready LED is
continuous, the water temperature is at
the required operating temperature.
E) Filter LED (Orange)
The orange Filter LED shows the status
of the attached water filter. When the
orange Filter LED is flashing, 4000 Litres
have flowed through the Boiling Water
unit. This then prompts the user to check
the in line water filter to see if it needs
replacing. To reset the filter LED, just
push the (Filter Reset) button for 10
seconds.
10.

**It is strongly recommended that any REMEDY be carried out by a qualified service person**
SYMPTOMS
POSSIBLE CAUSE
REMEDY
1.
The unit does not fill with
water
There is no power supply
Check the electrical supply.
There is no water supply
Check the water supply.
The inlet strainer is
blocked
Check the Inlet Strainer, clean or
replace.
Electronic Controller
failure
Test the electronic controller.
Solenoid Valve failure
Check resistance of the solenoid,
replace if broken.
The Filter is blocked (If
unit is supplied with an
inlet water filter)
Check the filter, replace if blocked
(see section 5E for re setting the
filter)
2.
The unit fills water to low
level and does not heat
Thermal cut-out has
tripped
Reset the thermal cut-out.
Heating element failure
If the heating element is properly
wired, then check its resistance.
Replace if broken.
Electronic Controller
failure
Test the electronic controller.
Thermistor failure
Replace the thermistor.
3.
The unit boils
continuously
Low Air Pressure
Recalibrate the unit (see section 5F
sub section v) for how to recalibrate
the unit
Electronic Controller
failure
Test the electronic controller.
Thermistor failure
Replace the thermistor.
4.
The unit overflows
Incoming water pressure
is too high
Reduce incoming water pressure.
Solenoid valve failure
Turn the unit off. If water still
overflows, replace the solenoid valve.
Level probe failure
Clean the level probe
Replace the level probe
5.
There is no water from
the tap
The unit did not fill with
enough water
See 1. & 2. above.
The tap diaphragm is
disconnected from its
spindle
Drain water out of the unit
(see paragraph 6 on page 4).
When unit is empty, disassemble and
repair the tap.
LAZER BOILING WATER UNIT: FAULT FINDING GUIDE.
11.

WARRANTY
In addition to your legal rights, Rheem New Zealand Limited makes the following promise to the owner. We
will repair or, if necessary, replace a defective boiling water unit or part of it, which has failed due to faulty
manufacture on the following terms and conditions:
WARRANTY PERIOD
AGE OF BOILING WATER UNIT
FROM THE DATE OF INSTALLATION
WARRANTY COVERS ALL BOILING WATER UNITS DOMESTIC,
COMMERCIAL OR INDUSTRIAL
Up to (1) year
Free replacement of failed component, or if necessary, replacement of
the Boiling Water Unit, free of charge, including labour.**
More than (1) year
but less than (5) years
Where an inner tank fails it will be supplied free of charge, installation
and labour cost will be charged to the owner.
** Refer to item 3, Warranty Conditions.
Should your boiling water unit need service under warranty, please call RHEEM SERVICE on
0800 657 335 or refer to the yellow pages under Water Heaters for your nearest local service agent.
WARRANTY CONDITIONS:
1.The Boiling Water Unit must be installed in accordance with the installation instructions, supplied with the
Boiling Water Unit, the NZ Building Code, NZ Electrical Regulations and all relevant statutory requirements
of the area in which the Boiling Water Unit is to be installed.
2.Where a failed component or Boiling Water Unit is replaced under Warranty, the balance of the original Warranty
Period will remain effective. The replaced part or Boiling Water Unit does not carry a new Warranty.
3.Where the Boiling Water Unit is installed outside the boundaries of a metropolitan area as defined by
Rheem New Zealand Ltd, or beyond 25 km from a regional Rheem branch office, or a Rheem Authorised
Service Centre, the cost of transport, insurance and travelling costs between the nearest Rheem Authorised
Service Centre’s premises and the installed site will be for the account of the owner.
4.The Warranty only applies to the Boiling Water Unit and therefore 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.
WARRANTY INFORMATION
WARRANTY EXCLUSIONS:
REPAIR AND REPLACEMENT WORK WILL BE CARRIED OUT AS PER THE RHEEM WARRANTY (ABOVE),
HOWEVER THE FOLLOWING EXCLUSIONS MAY CAUSE THE BOILING WATER UNIT WARRANTY TO
BECOME VOID, AND MAY INCUR A CHARGE FOR SERVICE AND COST OF REPLACED PARTS.
1.Accidental damage; Acts of God; failure due to misuse; incorrect installation, attempts to repair the unit other
than by a Rheem Authorised Service Agent, or the Rheem Service Department.
2.Where it is found that there is nothing wrong with the boiling water unit; where the complaint is related to low
or high water pressure; where there is no flow of hot water due to faulty plumbing or a blocked filter; where
water leaks are related to plumbing work and not the boiling water unit or its components, where there is a
failure of electricity or water supplies.
3.Where the boiling water unit or its component has failed directly or indirectly as a result of high water
pressure.
4.Where the boiling water unit is located in a position that does not comply with the Rheem installation
instructions or relevant statutory requirements causing the need for major dismantling or removal of
cupboards.
5.Subject to any statutory provisions to the contrary claims for damage to furniture, carpets, walls, foundations,
or any other consequential loss either directly or indirectly due to leakage from a boiling water unit.
6. Repairs to the boiling water unit due to scale formation in the waterways when the heater has been
connected to a harmful water supply as outlined in the owners guide.
Contact details: RHEEM SERVICE DEPARTMENT
475, Rosebank Road, Avondale, Auckland
Phone: [phone]; Fax: [phone]
12.