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Summary of Contents for Thermann TH26ENG5L
- Page 1 INSTALLER’S MANUAL Gas Continuous Flow Water Heaters Installation Details Warranty Models TH26ENG5N TH26ENG5L TH26ENG6N TH26ENG6L TH21ENB5N TH21ENB5L TH21ENB6N TH21ENB6L TH17ENB5N TH17ENB5L TH17ENB6N TH17ENB6L GISI087 FB9M002 Rev. 05/21...
- Page 2 Thermann Installer’s Manual Gas Continuous Flow Water Heaters To be installed and serviced only by an authorised person. This appliance is not suitable for use as a pool heater. The “authorised installing person” is responsible for: 1. Correct commissioning of this appliance 2.
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Page 3: Table Of Contents
CONTENTS Before Installation About the Water Heater Choosing an Installation Location Installation Clearances Installation of the Water Heater Connecting the Gas Supply Connecting the Water Supply Connecting Electricity Remote Controller Trial Operation Maintenance... -
Page 4: Before Installation
Thermann Installer’s Manual Gas Continuous Flow Water Heaters 1. Before Installation WARNING CAUTION Check the Gas Do Not Use Appliance for Purposes Other Than Those Specified • Check that the data label (left side of casing). • Check that the gas supply pipe is sized for... -
Page 5: About The Water Heater
2. About the Water Heater 2.1 Included Accessories The following accessories are included with the Water Heater. Check for any missing items before starting installation. Anchoring Screw (× 5) Owner’s Guide, Installation Manual (this document) (1 each) - Page 6 Thermann Installer’s Manual Gas Continuous Flow Water Heaters 2.2 Specifications • Specifications may be changed without prior notice. • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Model Name TH26ENG5(6)N TH26ENG5(6)L TH21ENB5(6)N TH21ENB5(6)L TH17ENB5(6)N TH17ENB5(6)L...
- Page 7 2.3 Dimensions TH26ENG series < Unit: mm > GAS INLET(R3/4) HOT WATER OUTLET(R3/4) COLD WATER INLET(R3/4) WIRING THROUGHWAYS (VIEW FROM TOP) 2×6×24 OBLONG HOLE 2× 20.5 FLUE COLLAR AIR INLET STATUS DISPLAY AIR INLET WATER DRAIN VALVE AIR INLET (WATER FILTER) 2×...
- Page 8 Thermann Installer’s Manual Gas Continuous Flow Water Heaters TH21ENB series, TH17ENB series <Unit : mm> VIEW FROM TOP GAS INLET(R3/4) TH21ENB Series WIRING HOT WATER OUTLET(R3/4) THROUGHWAYS COLD WATER INLET(R3/4) 4-φ13 2-6 13 OBLONG HOLE FLUE EXHAUST TH17ENB Series FLUE EXHAUST...
- Page 9 2.4 Component Details Example TH26ENG series Flue collar High Limit Switch Heat Exchanger Freeze Preven on Heater Thermal Fuse Freeze Preven on Heater Flame Rod Igni on Plug Igniter Burner manifold & gas valve Thermistor-Cold Water Circuit board Water Flow Sensor Water Servo Status Display Fan Motor...
- Page 10 Thermann Installer’s Manual Gas Continuous Flow Water Heaters TH21ENB series, TH17ENB series Flue exhaust High limit switch Heat exchanger Anti-frost heater Thermal fuse Flame rod Ignition plug Igniter Burner manifold & gas valve Freeze protection thermostat Circuit board Anti-frost heater...
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Page 11: Choosing An Installation Location
3. Choosing an Installation Location DANGER CAUTION Consideration to the surroundings • This Water Heater is for outdoor installation only. Do not install indoors. • Do not install the Water Heater where the • Do not enclose the termination with exhaust will blow on outer walls, other walls corrugated metal or other materials. -
Page 12: Installation Clearances
Thermann Installer’s Manual Gas Continuous Flow Water Heaters 4. Installation Clearances WARNING Before installing, check for the following: The location of the flue terminal must comply with the clearances shown on this page. If you are unsure about clearances not indicated here, in general refer to AS/NZS 5601, or your local authority. In Western Australia refer to the WA Office of Energy rules and regulations. -
Page 13: Installation Of The Water Heater
5. Installation of the Water Heater 3. Determine the positions for the remaining four 5.1 Securing the Water Heater to the screws (two for the top bracket and two for the wall bottom), and remove the Water Heater. Loca on of Screw Hole WARNING Moun ng Bracket (upper) -
Page 14: Connecting The Gas Supply
Thermann Installer’s Manual Gas Continuous Flow Water Heaters 6. Connecting the Gas Supply Pressure Test Follow the instructions from the gas supplier. The appliance and its gas connections must be leak Gas Type tested before placing the appliance in operation. - Page 15 NOTE • Ensure that the gas pipe size 2. • Determine the gas type used and supply gas is correct. If undersized the Pressure, and enter it. appliance will not operate • Determine the piping material and enter it to correctly.
- Page 16 Thermann Installer’s Manual Gas Continuous Flow Water Heaters 4. • Enter the demand which is the amount of gas 5. • Enter the input rating for each appliance in the flowing through a section of pipe in the table table below.
- Page 17 [Gas pipe sizing tables] • These tables are for reference only. Consult gas pipe manufacturer for actual pipe capacities. • It is an example of Copper Pipe (AS 1432 TypeB) and Natural Gas. • Values in Table are in MJ of Gas per Hour. 1.
- Page 18 Thermann Installer’s Manual Gas Continuous Flow Water Heaters 4. Maximum Natural Gas Delivery Capacity (For supply pressure around 5-10 kPa) - COPPER PIPE (AS 1432 TYPE B) [MJ/h] 1.5 kPa Pressure Drop Pipe Length (including fittings) : metres Size –...
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Page 19: Connecting The Water Supply
7. Connecting the Water Supply • Installation and service must be performed by a NOTE • Avoid using joints as much as qualified plumber. possible to keep the piping simple. • Observe all applicable codes. • Avoid piping in which an air holdup can occur. - Page 20 Thermann Installer’s Manual Gas Continuous Flow Water Heaters Hot water supply 7.2 Freeze Prevention WARNING Perform the following insulation measures for prevention of freezing. For any sanitary fixture used for personal • Take appropriate heat insulation measures (e.g. hygiene, the delivered hot water temperature wrapping with heat insulation materials, using shall not exceed 50˚C for Australia and 55˚C for...
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Page 21: Connecting Electricity
8. Connecting Electricity Ground Water Heater To prevent electrical shock, always plug power lead into an earthed point. WARNING Electrical Shock Hazard Do not connect the electrical power to the appliance until all Remote Controllers have been connected. It may result in death or serious injury from electrical shock. -
Page 22: Remote Controller
Thermann Installer’s Manual Gas Continuous Flow Water Heaters 9. Remote Controller Remote controller to install: Main Bath Room Controller Controller Operation ECM1T ECB1T ECB2T Works Remote Won't work Controller Won't work Cord Clamp Terminals Works (TH26ENG series) Works (× 2) - Page 23 The changing procedure of the maximum Display temperature setting MODE button [TH26ENG series] NOTE This setting (“F03”) must be done with all hot water fixtures closed within the first 10 minutes of UP button connecting the electrical power to the Water Heater. DOWN button 1.
- Page 24 Thermann Installer’s Manual Gas Continuous Flow Water Heaters (°C) Main Maximum Bath Room Controller MODE Without Controller TH26ENG series Temperature button Controller Setting ECM1T ECB1T ECB2T Factory 37-48, 50 37-48, 50 Setting 50°C model TH26ENG5 N/L ⁞ ⁞ ⁞ ⁞...
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Page 25: Trial Operation
10. Trial Operation The installer should test operate the Water Heater, 1) Close the water supply valve. explain to the customer how to use the Water Heater, and give the owner this manual before Sealing leaving the installation. Trial Operation DANGER Inlet water filter Water Supply Valve... -
Page 26: Maintenance
Thermann Installer’s Manual Gas Continuous Flow Water Heaters 11. Maintenance Handling after trial operation 11.1 Periodic Check If the Water Heater will not be used immediately, close all gas and water valves, and drain all of the • Check the following to ensure proper operation water out of the Water Heater and the plumbing of the Water Heater periodically . - Page 27 11.2 WATER QUALITY All Thermann water heating appliances are constructed from high quality materials and components and all are certified for compliance with relevant parts of Australian and New Zealand gas, electrical and water standards. Whilst Thermann water heaters are warranted against defects, the warranty is conditional upon correct installation and use, in accordance with detailed instructions provided with the heater.
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Questions and answers
What are the error codes eg 11 and 32
How do you reignite after replacing gas bottle
To reignite a Thermann TH26ENG5L after replacing the gas bottle, follow these steps:
1. Read the safety information in the installation manual or on the right side of the Water Heater.
2. Turn off all electrical power to the Water Heater.
3. Do not attempt to light the burner by hand.
4. Turn the gas control manual valve (external to the Water Heater) clockwise to the off position.
5. Wait five minutes to clear out any gas. If the smell of gas remains, stop and follow the safety instructions.
6. Turn the gas control manual valve counterclockwise to the on position.
7. Turn on the electrical power to the Water Heater.
8. The Water Heater will now operate whenever hot water is needed.
If the Water Heater does not operate, follow shutdown instructions and contact a service technician.
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