Thermann 16NG50/16LP50 User manual

GAS CONTINUOUS FLOW
WATER HEATERS
OPERATING
INSTRUCTIONS
GAS CONTINUOUS FLOW
FOR MODELS
16NG50/16LP50, 16NG60/16LP60, 20NG50/20LP50,
20NG60/20LP60, 26NG50/26LP50, 26NG60/26LP60

2 OPERATING INSTRUCTIONS

3OPERATING INSTRUCTIONS
1. Do not hang washing or other
materials adjacent to the unit.
2. Do not store flammable
materials within 2 metres
of the unit.
3. Do not touch the flue outlet of the unit
during or immediately after operation.
4. If any gas smell comes from the unit,
do not use naked flames to test for gas leaks
Turn o the gas supply and power and
contact your plumber or reece customer
care on 1800 080 055.
5. If a power failure occurs the remote controls will not function and the
thermann unit will not supply hot water until power is restored.
IMPORTANT SAFETY INSTRUCTIONS
1
CLOSE
1
CLOSE
No Fire Prohibited
1
CLOSE
1
CLOSE
1
CLOSE

4 OPERATING INSTRUCTIONS
DO NOT INSTALL CLOSE TO ELECTRIC APPLIANCES
If installed close to appliances such as TV or radio, it may cause picture or
sound disturbance.
Install away from the appliance.
MEASURES TO BE TAKEN DURING
ELECTRICAL STORMS
Power surges caused by lightning can damage the electronic parts.
Therefore, turn o the main power during electrical storms
IMPORTANT SAFETY INSTRUCTIONS
SECURE SERVICE SPACE
Make sure there is enough space around the unit for
checking, service and maintenance.
5
Check

5OPERATING INSTRUCTIONS
WATER INLET PRESSURE
Maximum working water pressure is 1200kPa
CAUTION TO PREVENT SCALDING
Check the water temperature by hand
first before using shower.
DO NOT INSTALL INDOORS
(May cause oxygen deficiency accident or incomplete
combustion)
This unit is designed for outdoor installation. Never install
indoors. It will be extremely dangerous because it will
cause oxygen deficiency and incomplete combustion.
If the unit has been installed indoors turn o the gas
supply and contact your plumber immediately.
DO NOT DISASSEMBLE, REPAIR OR MODIFY
Do not disassemble or modify the units. As this
may cause fire, electric shock and other accidents.
Always use a licensed plumber for installation,
relocation or connection to solar units.
IMPORTANT SAFETY INSTRUCTIONS
Caution
Pull
No wet hand
CloseClose
Caution
Pull
No wet hand
CloseClose
FREEZE PREVENTION
This unit comes equipped with internal electric heaters that prevent the
water inside the unit from freezing.
To enable this freeze prevention system to operate there must be an
electrical power supply connected to the unit.
The freeze prevention devices will not operate if the electrical power
source is not connected.
The electric defrost heaters are installed inside the water heater only.
All External Hot and Cold water supply pipes and fittings connected to
the water heater should be properly insulated.
FLAMMABLE ITEMS
(May cause fire or explosion)
Do not place any flammable items near the unit
or use them around the unit.
Caution
Pull
No wet hand
CloseClose
Danger
Warning
Warning
Caution
Pull
No wet hand
CloseClose

5
5
Prohibited
Prohibited
Warning
Check
6 OPERATING INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
ELECTRICAL CONNECTION
MEASURES TO BE TAKEN IN
CASE OF EMERGENCY
The procedure to follow in an emergency such
as earthquake, flood or fire is:
1. Close all hot water taps in the house.
2. Close the gas valve and the main water valve.
3. Turn o the main power.**
Caution
Pull
No wet hand
CloseClose
**In case of gas leakage, first close the gas valve then wait for
the leaked gas to disperse then turn o the main power supply**
Caution
Pull
No wet hand
CloseClose
This appliance is not intended for use by persons (including children)
withreduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning use
of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with theappliance.
DANGER OF WET HANDS
Do not touch power plug with wet hands.
It can cause electric shock.
INSERT POWER PLUG FULLY
INTO POWERPOINT
Check that the power plug is clean and undamaged,
then fully insert into the power point.
DO NOT PULL POWER CORD
Do not remove the power plug by pulling the cord
as it may generate heat by wire breakage and cause
fire. Hold the plug when removing the power cord.
DO NOT USE POWER CORD BUNDLED
Never use power cord in a bundled condition.
It may cause heat generation and fire.
DO NOT REPLACE POWER CORD
If the power supply cord is damaged, it should be replaced by a cord
available from REECE agents. The power cord must be replaced by an
authorised person to prevent accidents.
Caution

7OPERATING INSTRUCTIONS
Up to three remote controls are able to be installed with your Thermann unit
for complete control of your hot water.
Please note, units without remote control will be set at either 50°C or 60°C
(the exception is if the unit is installed as a solar booster. Your plumber will
have set the unit to 70°C)
REMOTE CONTROL
Digital Monitor
Indicates the selected
water temperature. Error
messages flash in the
event of a failure.
ON Indicator
Indicates power is
on to the system.
ON/OFF Button
Power switch to
operate this control.
PRIORITY Indicator
Indicates this
controller has priority
control over the other
controller.
CMR-2254
(Main remote Controller)
This remote controller is intended to be used
in the kitchen, laundry room or utility area.
Flame Logo Indicator
Indicates that a hot
water faucet is open
and that control of
the temperature is by
another controller.
UP/DOWN Button
Increase or decrease
the desired water
temperature.

8 OPERATING INSTRUCTIONS
REMOTE CONTROL
YST-2254
(Bathroom controller)
YST-2254S
(Ensuite controller)
These remote controllers are intended for
installation in a bathroom and ensuite.
ON Indicator
Indicates power
is on to the
system.
ON/OFF Button
Power switch
to operate this
control.
Digital Monitor
Indicates the selected
water temperature.
Error messages flash
in the event of failure.
Flame Logo Indicator
Indicates that a hot water
faucet is open and that
control of the temperature is
by another controller.
UP/DOWN Button
Increase or decrease
the desired water
temperature.
PRIORITY
Button
PRIORITY
Button to set
the water
temperature
on this remote
controller.
PRIORITY
Indicator
Indicates this
controller has
priority control
over the other
controller.

9OPERATING INSTRUCTIONS
REMOTE CONTROL
Operation of Main / Bathroom / Ensuite Controller
Please read these instructions carefully before using this appliance.
1. Turn on the ON/OFF button
2. The temperature display will read 42°C.
3. The priority indicator will illuminate.
4. Select hot water temperature by pushing UP/DOWN or button
on the controller.
5. Turn on the hot water tap or shower. Flame logo indicator will illuminate
after a short delay.
This indicator will remain illuminated until the hot water tap or shower
is turned o.
6. The hot water temperature can be altered at any time during the
operation by pushing
UP/DOWN button or located on the controller.
Main Remote Controller Bathroom / Ensuite Remote Controller
Energy-saving Mode
If no data is adjusted within a period of approximately 25 minutes the
display becomes dim. This is energy-saving mode and not a failure.

10 OPERATING INSTRUCTIONS
REMOTE CONTROL
Priority Control (Change)
The temperature can only be controlled by the remote controller which has
the priority indication.
Priority button is only located on the bathroom / ensuite remote controllers.
When the priority button is turned ON, that controller takes priority control
over the temperature settings.
To return priority control to the main controller, either:
- press priority button on bathroom/ensuite remote controller OR
- turn main controller OFF then ON again
HINTS FOR USING REMOTE CONTROLS
FOR SAFETY AND ENERGY SAVINGS
1. Set the Kitchen/Main CONTROL to a maximum of 42°C for normal
bathroom use and to prevent small children from scalding.
2. For kitchen and laundry use set the MAIN CONTROL to 60°C or the
desired temperature
3. For showering, use settings between 37°C - 39°C and no cold water
will be needed to be mixed, and if other hot or cold water taps are
used the temperature will be maintained.
4. When bathroom remote controller is turned ON the temperature can
be adjusted between:
 •37to48°C(16/20model)
 •37to47°C(26model)
UP TO 50°C THE TEMPERATURE WILL INCREASE BY 1°C WITH EACH
PRESS OF THE UP/DOWN BUTTONS. THE TEMPERATURE CAN BE
ADJUSTED CONTINUOUSLY BY KEEPING THE BUTTON PRESSED.
BETWEEN 50°C AND 75°C, THE TEMPERATURE IS CONTROLLED
BY 5°C INCREMENTS. PLEASE NOTE ABOVE 50°C SCALDING CAN
OCCUR WITHIN SECONDS.
Warning
Do not turn o the water heater or change the water temperature while someone
is bathing or washing. That may result in scalds or burns.

11OPERATING INSTRUCTIONS
FAULT MONITOR
When installed with remote controllers the THERMANN HOT WATER UNIT
HAS A SELF DIAGNOSING FUNCTION FOR FAULTS.
When the unit does not operate correctly an error code is displayed on
the MAIN and BATHROOM or ENSUITE remote controls TEMPERATURE
DISPLAY INDICATOR.
The cause of the fault can be determined after checking the fault numbers
display on the remote control display.
DISPLAY PROBLEM REMEDY
111 GAS BURNER FAILS TO IGNITE CHECK GAS SUPPLY
721 FALSE FLAME DETECTION CALL REECE CUSTOMER
CARE 1800 080 055
121 LOSS OF COMBUSTION CHECK GAS SUPPLY
AND PRESSURE
141 RESIDUAL FLAME SAFETY
DEVICE
CALL REECE CUSTOMER
CARE 1800 080 055
311, 321 THERMISTOR WIRE BREAKAGE CALL REECE CUSTOMER
CARE 1800 080 055
611 COMBUSTION FAN FAILURE CALL REECE CUSTOMER
CARE 1800 080 055
740/750/760
COMMUNICATION FAILURE
BETWEEN REMOTE
CONTROLS & PCB.
TURN OFF POWER AND
TURN ON AGAIN
MAINTENANCE
These units can be cleaned using warm soapy water and a soft cloth. Unit
should be kept free of insect infestations.
NOTE: Do not spray chemical insecticides directly into or onto the unit.
Maintain all plant growth to ensure it does not eect the operation of the
unit by blocking or interfering with air intake or flue terminal.
It is recommended the unit is checked for safe operation by a licensed
tradesman as an annual service.

12 OPERATING INSTRUCTIONS
Warranty Conditions
• This warranty will apply only under all of the following conditions:
• The item has been installed by a licensed plumber
• Failure is due to a fault in the manufacture of the product
• Proof of purchase (including the date of purchase) is provided
• The installation of the product is in accordance with the instructions
provided
• This warranty does not cover products purchased as an ex-display
without being fully checked and tested for sale by the manufacturer.
This warranty does not include faults caused by:
• Unsuitable or improper use
• Incorrect installation or installation not in accordance with the
instructionsprovided
• Installation or part installation by the purchaser or any person other than
a LICENSED PLUMBER or tradesperson licensed to install this product.
• Normal wear and tear
• Inadequate or complete lack of maintenance
• Chemical, electrochemical or electrical influences
• Harsh detergents or abrasive cleaners used on product finishes
EXCLUSIONS
To the fullest extent permitted by law, Reece excludes all liability for
damage or injury to any person, damage to any property, and any indirect
consequential or other loss or damage.
CLAIM PROCEDURE
For all warranty queries customers are to contact the branch where the
product was purchased. These details can be found on your purchase
invoice.
Our goods come with guarantees that cannot be excluded under the
Australian Consumer Law. You are entitled to a replacement or refund for
a major failure and for compensationfor anyother reasonably foreseeable
loss or damage. You are also entitled to have the goods repaired or replaced
if the goods fail to be of acceptable quality and the failure does not amount
to a major failure.
WARRANTY

13OPERATING INSTRUCTIONS
All Thermann water heaters must be installed in accordance with
manufacturer’s installation instructions and in accordance with local
regulations, building codes
and AS/NZS3000, AS/NZS3500 and AS5601.
Where a component may have failed under warranty and is replaced, the
component replaced will only be covered by the warranty for the balance of
the appliance warranty period.
Water Quality must be within limits specified in table below.
Warranty Terms
Thermann Gas Continuous Flow Hot Water Units are covered by Reece for
any cost of labour and parts in the event of a component failure due to any
defects that may arise either from workmanship and/or faulty material.
The Warranty commences on the date of Installation:
Domestic
Heat Exchanger 10 years parts
All components 3 years parts & labour
Commercial
All components 1 year parts & labour
WARRANTY
pH 6.5 to 8.5
Sodium Up to 150 mg/litre or ppm
TDS (Total Dissolved Solids) Up to 600 mg/litre or ppm
Chlorides Up to 300 mg/litre or ppm
Iron Up to 1 mg/litre or ppm
Magnesium Up to 10 mg/litre or ppm
Alkalinity (as CaCO3) Up to 200 mg/litre or ppm
Dissolved (free) CO2 Up to 25 mg/litre or ppm
Total Hardness CaCO3 Up to 200 mg/litre or ppm

14 OPERATING INSTRUCTIONS

15OPERATING INSTRUCTIONS

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www.reece.com.au/thermann
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