Thermann 26NG50C User manual

OWNER'S
GUIDE
Gas Continuous Flow Condensing Water Heaters
Models
26NG50C/26LP50C
26NG60C/26LP60C
Owner's Information
Warranty

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters

33
Important Safety Instructions 4-7
Electrical Connection 7
Remote Controller 8-10
Fault Monitor 11-12
Warranty 13-14
CONTENTS

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
4
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, any connected remote controllers will not function and the
unit will not supply hot water until power is restored.
1
CLOSE
1
CLOSE
No Fire Prohibited
1
CLOSE
1
CLOSE
1
CLOSE
IMPORTANT SAFETY INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONS

555
IMPORTANT SAFETY INSTRUCTIONS
DO NOT INSTALL INDOORS
These units are 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.
MEASURES TO BE TAKEN DURING ELECTRICAL STORMS
Power surges caused by lightning can cause damage to the electrical components
of the unit. Turn o the main power during electrical storms.
SECURE SERVICE SPACE
Make sure there is enough space around the unit for checking, service and maintenance.
5
Check
Caution
Pull
No wet hand
CloseClose
Danger

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
6
CAUTION TO PREVENT SCALDING
Check the water temperature by hand first before using shower.
WATER INLET PRESSURE
Maximum working water pressure is 1200kPa
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,
repair or connection to solar units.
FREEZE PREVENTION
This unit comes equipped with internal anti-frost 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 anti-frost heaters are installed inside the water heater only. All external hot and cold
water supply pipes, drain pipe and fittings connected to the water heater shoud be properly
insulated to prevent freezing. Freezing of the drain pipe can cause clogging and cause the unit
to stop operating.
FLAMMABLE ITEMS
Do not place any flammable items on, near, or around the unit,
as this can cause fire or an explosion to occur.
Caution
Pull
No wet hand
CloseClose
Caution
Pull
No wet hand
CloseClose
Warning
Warning
Caution
Pull
No wet hand
CloseClose
IMPORTANT SAFETY INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONSIMPORTANT SAFETY INSTRUCTIONS
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.

777
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, wait for the
leaked gas to disperse then turn o the main power supply
Caution
Pull
No wet hand
CloseClose
5
5
Prohibited
Prohibited
Warning
Check
DO NOT REPLACE POWER CORD, REMOTE CONTROLLER CABLE AND CASCADE CABLE
If the cord or cable is damaged, it must be replaced by a cord (or cable) available
from your local Reece branch. The cord or cable must be replaced by an authorised
tradesperson.
DO NOT USE POWER CORD BUNDLED
Never use power cord in a bundled condition.
It can cause heat generation and fire.
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.
INSERT POWER PLUG FULLY INTO POWERPOINT
Check that the power plug is clean and undamaged,
then fully insert into the power point.
DANGER OF WET HANDS
Do not touch power plug with wet hands.
It can cause electric shock. Caution

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
8
REMOTE CONTROLLER
Up to three remote controllers are able to be installed with your Thermann unit for
complete control of your hot water.
Please note, units without remote controllers 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).
YST-2807
(Universal Controller)
This remote controller is intended to be used in the kitchen, laundry room, bathroom
and ensuite.
The unit will deliver the selected temperature as follows:
Kitchen Controller:
37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49*, 50*, 55*, 60*, 65*, 70* and 75°C*
Bathroom Controller:
37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48°C
*Only for 60°C model
ON Indicator
Indicates power is on
to the system.
UP/DOWN Button
Increase or decrease the
desired water temperature.
ON/OFF Button
Power switch to operate
this remote controller.
In Use Indicator
Indicates that a hot
water tap is open.
High Temp. Indicator
Indicates the setting
temperature is higher
than 50゜ C.
Digital Monitor
Indicates the selected water temperature.
Error messages flash in the event of failure.
PRIORITY Indicator
Indicates this remote
controller has priority
control over the other
remote controllers.
PRIORITY Button
PRIORITY Button to set the
water temperature on this
remote controller.

999
REMOTE CONTROLLER
Operation of Remote Controller
Please read these instructions carefully before using this appliance.
1. Turn on the ON/OFF button.
2. The temperature display will read 40°C.
3. The priority indicator will illuminate.
4. Select hot water temperature by pushing or button on the remote controller.
5. Turn on the hot water tap or shower. The ``In Use´´ 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 or button located on the remote controller.
Remote Controller
Energy-saving Mode
If no data is adjusted within a period of approximately 5 minutes the display becomes
dim. This is energy-saving mode and not a failure.

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
10
Priority Control (Change)
The temperature can only be controlled by the remote controller which has the
priority indication.
When the priority button is turned ON, that remote controller takes priority control over
the temperature settings. While hot water is being supplied, other remote controllers
cannot be turned o.
Whilst hot water outlets are open, transfer of ``priority´´ to other remote controllers
is not possible. This is safety feature.
HINTS FOR USING REMOTE CONTROLLERS FOR SAFETY AND ENERGY SAVINGS
1. Set the remote controller 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 remote controller 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°C - 48°C.
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. The
temperature setting cannot be increased above 42°C while the hot water tap is open.
PLEASE NOTE: FOR TEMPERATURES ABOVE 50°C SCALDING CAN OCCUR
WITHIN SECONDS.
REMOTE CONTROLLER
Warning
Do not turn o the remote controller or change the water temperature while someone
is bathing or washing. That may result in scalds or burns.

111111
FAULT MONITOR
When installed with remote controllers the unit has a self diagnosing function for faults.
When the unit does not operate correctly an error code is displayed on the remote
controller TEMPERATURE DISPLAY INDICATOR.
The cause of the fault can be determined after checking the fault numbers display on the
remote controller display.
DISPLAY PROBLEM REMEDY
111 GAS BURNER FAILS TO IGNITE CHECK GAS SUPPLY
121 LOSS OF COMBUSTION CHECK GAS SUPPLY
AND PRESSURE
141 RESIDUAL FLAME SAFETY DEVICE CALL REECE CUSTOMER CARE
1800 080 055
290 CLOGGING OF NEUTRALIZER CALL REECE CUSTOMER CARE
1800 080 055
311, 321, 341 THERMISTOR WIRE BREAKAGE CALL REECE CUSTOMER CARE
1800 080 055
510, 511 GAS VALVE FAILURE CALL REECE CUSTOMER CARE
1800 080 055
611 COMBUSTION FAN FAILURE CALL REECE CUSTOMER CARE
1800 080 055
651 WATER FLOW CONTROL VALVE
FAILURE
CALL REECE CUSTOMER CARE
1800 080 055
700 PCB FAILURE CALL REECE CUSTOMER CARE
1800 080 055
721 FALSE FLAME DETECTION CALL REECE CUSTOMER CARE
1800 080 055
732 MEMORY PCB FAILURE CALL REECE CUSTOMER CARE
1800 080 055
733 FAILURE OF PCB AND MEMORY PCB CALL REECE CUSTOMER CARE
1800 080 055
735 CASCADE COMMUNICATION FAILURE CALL REECE CUSTOMER CARE
1800 080 055

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
12
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 serviced annually by a licensed tradesperson to ensure safe
and proper operation.
For servicing and spare parts information contact Reece Customer Care on 1800 080 055 .
FAULT MONITOR
When installed with remote controllers the unit has a self diagnosing function for faults.
When the unit does not operate correctly an error code is displayed on the remote
controller TEMPERATURE DISPLAY INDICATOR.
The cause of the fault can be determined after checking the fault numbers display on the
remote controller display.
DISPLAY PROBLEM REMEDY
740, 750, 760 COMMUNICATION FAILURE BETWEEN
REMOTE CONTROLLERS AND PCB
TURN OFF POWER AND TURN
ON AGAIN
920 REPLACEMENT OF NEUTRALIZER CALL REECE CUSTOMER CARE
1800 080 055

131313
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
• Condensate damage or any other consequential loss either directly or indirectly
• Removal of the neutralizer
• Not replacing the neutralizer at the end of it's life (by a licensed plumber).
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 please 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

Thermann Owner’s Guide
Gas Continuous Flow Condensing Water Heaters
14
WARRANTY
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 12 years parts
All components 3 years parts & labour
Commercial
All components 1 year parts & labour
All Thermann water heaters must be installed in accordance with manufacturer’s
installation instructions and in accordance with local regulations, building codes
and AS/NZS 3000, AS/NZS 3500 and AS/NZS 5601.
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.
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

20832260 (K)