Riello TAU 115 N Installation, Operation, Maitenance Manual
Stainless steel condensing boiler
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Summary of Contents for Riello TAU 115 N
- Page 1 STAINLESS STEEL CONDENSING BOILER 115 N ÷ 1450 N 150 NC ÷ 1450 NC INSTALLATION, OPERATION, MAINTENANCE AND SYSTEM MANAGEMENT MANUAL...
- Page 2 Compatibility Directive 2014/30/UE and Low Voltage Directive 2014/35/UE. Models up to 400 kW conform to the Energy-Related Products Directive 2009/125/EC and to the EU Delegated Regulation 813/2013. RANGE MODEL CODE TAU 115 N 20120144 TAU 150 N 4031860.0 TAU 210 N 4031861.0 TAU 270 N 4031862.0...
- Page 3 Technical Assistance Centres also stock any original spare parts that might be required. This instruction manual contains important instructions and precautions that must be observed to ensure the trouble-free installation and efficient functioning of your r TAU boiler. Please accept our renewed thanks for your purchase. Riello S.p.A.
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Page 4: Table Of Contents
CONTENTS GENERAL Page General safety information Safety precautions Product description Control panels Recommended burners and technical specifications 8 Product identification Accessories SYSTEM MANAGER Initial start-up Preparing for extended periods of disuse Cleaning Maintenance Useful information INSTALLER Unpacking the product Overall dimensions and weights Handling Place of installation Water in the central heating circuit... -
Page 5: General
GENERAL SAFETY INFORMATION TAU boilers are delivered in separate crates. Periodically check that operating pressure in the Check that the appliance is complete and unda- heating circuit is over 1 bar but below the maxi- maged as soon as you receive it. Report any mum limit specified for the appliance. -
Page 6: Product Description
PRODUCT DESCRIPTION Le caldaie in acciaio r TAU steel boilers are triple flue TAU boilers feature lightly pressurised combustion cham- bers for a smoother burner action, and high tempera- pass, condensing boilers for installation in a boiler room. ture resistant, stainless steel turbulators inside the tube While they are designed primarily for central heating bundle for maximum burner efficiency. -
Page 7: Control Panels
CONTROL PANELS The r control panels that can be used with r steel boilers are listed below. These control panels cater for all the needs of the heating system and of all the devices installed in it. TECH CLIMA TOP for central TECH CLIMA COMFORT for heating (1 direct zone and 2 central heating (1 direct zone... -
Page 8: Recommended Burners And Technical Specifications
RECOMMENDED BURNERS AND TECHNICAL SPECIFICATIONS TAU N NB with power <400 kW Burners recommended 115 NB 150 NB 210 NB 270 NB 350 NB 210 NB 270 NB 350 NB 350 NB MODEL CODE BS 3/M 3762350 • • RS 25/M BLU TC FS1 3910510 •... - Page 9 Technical specifications BOILER TAU NB M/E DESCRIPTION 115 NB 150 NB 210 NB 270 NB 350 NB 3M-E 3M-E 25M-E 25M-E 25M-E Device type Condensing boiler for central heating Fuel All gas fuels Device category See Burner Rated heat input (Qmax) HCV (LCV) 127,6 (115) 166,5 (150) 233,1 (210)
- Page 10 TAU N PREMIX with power <400 kW Burners recommended ACCESSORIES BURNER TAU N PREMIX MODEL CODE 270 GPL BURNER PLATE RX 150 P/SV 20037457 • RX 180 S/PV 3790330 • 4031894 RX 250 S/PV 3790320 • 4031894 RX 360 S/PV 20067700 •...
- Page 11 Technical specifications BOILER TAU N PREMIX DESCRIPTION Device type Condensing boiler for central heating B23- B23P(*) Fuel All gas fuels Device category See Burner Rated heat input (Qmax) HCV (LCV) 127,6 (115) 166,5 (150) 233,1 (210) 299,7 (270) 388,5 (350) Rated heat input (Qmin) HCV (LCV) 88,8 (80) 123,2 (111)
- Page 12 TAU N with power >400 kW Burners recommended BURNER TAU N ACCESSORIES KIT BURNER MODEL CODE 1000 1250 1450 LONG HEAD PLATE RS 50 TC 3784702 • RS 70 TC 3785102 • RS 100 TC 3785302 • • RS 130 TC 3785500 •...
- Page 13 Technical specifications BOILER TAU N DESCRIPTION 1000 1250 1450 Device type Condensing boiler for central heating B23- B23P(*) Fuel All gas fuels Device category See Burner Rated heat input (Qmax) HCV (LCV) 499,4 (450) 665,5 (600) 887,9 (800) 1110 (1000) 1387 (1250) 1609 (1450) kW Rated heat input (Qmin) HCV (LCV) 389,6 (351) 500,6 (451)
- Page 14 IMPORTANT NOTES FOR BURNER INSTALLATION L < S Before fixing the burner to the boiler, make sure that: - The door opens the right way (see the relevant sections for details on how to reverse the door). - The length (L) of the burner fixing bolts is less than (S), i.e.
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Page 15: Product Identification
TAU boilers are identified by two plates: Tipo di Apparecchio Paese di destinazione - Serial number plate 067654IT RIELLO S.p.A. Via Ing.Pilade Riello 7 37045 Legnago (VR) - ITALY Pressione massima Matricola di esercizio This is located on the boiler body and specifies the... -
Page 16: System Manager
INITIAL START-UP may need to re-start it without involving the Technical Have r’s Technical Assistance Service start-up your Assistance Service. r TAU boiler for the first time. Once this has been To do so, perform the following checks and operations: done, the boiler can be left to function automatically. -
Page 17: Preparing For Extended Periods Of Disuse
The burner should now ignite and remain in operation If a “LOCKOUT SHUTDOWN” occurs, wait about 30 until the set temperature is reached. seconds before resetting the burner. The burner will then switch off and on automatically to maintain the set temperature without further operator To reset the burner, press the red button light on the action. -
Page 18: Cleaning
CLEANING Use a cloth damped in soapy water to clean the boiler’s external panelling. The combustion chamber and flues must be cle- To remove stubborn marks, use a cloth damped in a 50% aned periodically by r’s Technical Assistance mix of water and denatured alcohol or a suitable cleaning Service or by a qualified technician (see page product. -
Page 19: Useful Information
USEFUL INFORMATION Seller: Installer: ....................................................................................................................Address Address ......................................................Tel. Tel............................................................Technical Assistance Service: ............................................Address ............................Tel............................... Date Work done SYSTEM MANAGER... -
Page 20: Installer
UNPACKING THE PRODUCT r TAU steel boilers come in 2 separate crates: 1) BOILER BODY CRATE, bearing the documentation envelope (A) and containing: - Instruction manual; - Data label (to be applied to the panelling on com- pletion of the installation); - Water test certificate;... -
Page 21: Overall Dimensions And Weights
OVERALL DIMENSIONS AND WEIGHTS DESCRIPTION BOILER model 1450 115 N 800 N 1000 N 1250 N N-NC N-NC N-NC N-NC N-NC N-NC N-NC A - Base width 1070 1130 B - Overall width 1060 1060 1180 1225 L - Depth 1455 1455 1455... -
Page 22: Place Of Installation
PLACE OF INSTALLATION steel boilers must be installed in a dedicated In Belgium, boilers must be installed according boiler room, with adequately sized vents, in compliance to standards NBN D51.003, NBN D30.003, NBN with applicable laws and standards. B61.002 (heat output < 70 kW), and NBN B61.001 If at all possible, the boiler should be installed on a raised (heat output >70 kW). -
Page 23: Water In The Central Heating Circuit
Contact RIELLO’s Technical Assistance Service for fur- ther information on water additives and their use. WATER IN CENTRAL HEATING SYSTEMS: INSTRUCTIONS FOR THE DESIGN, INSTALLATION AND MANAGEMENT OF CENTRAL HEATING SYSTEMS 1. - Page 24 2. Central heating systems Do not use automatic filling devices to add water to central heating systems. Use a manual device instead and record top-ups in the system service book. If a system comprises a number of boilers, when that system is first put into service, make sure that all the boilers function simultaneously or on a short interval rotation basis in order to evenly distribute initial limescale deposits.
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Page 25: Water Connections
WATER CONNECTIONS boilers are designed and made for use in central heating installations, but can also be used for domestic hot water production if connected to suitable sub-systems. Water fittings are as specified in the following table: TAU 115÷1250 N and TAU 150÷600 NC models Mod. - Page 26 Description BOILER model 1000 1250 1450 115 N N-NC N-NC N-NC N-NC N-NC N-NC N-NC 1 - Heating flow (*) 2 - Heating return 1 (Low Temperature) (*) 3 - Heating return 2 (High Temperature) (*) 4 - Safety device fitting 1”...
- Page 27 INSTALLER...
- Page 28 INSTALLER...
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Page 29: Condensate Drain
DRAINING THE CONDENSATE TAU condensing boilers produce a flow of condensate that varies according to operating conditions. The maxi- mum hourly production of condensate is shown in the technical specifications table for each individual model. The condensate drain system must be suitably dimen- sioned to cope with the flow produced. - Page 30 If it ever proves necessary to neutralise the condensate that HN2-NH3 forms in the flue gas stack, connect the condensate drain fittings of the boiler and flue gas stack together using a ‘T’ union and connect the leg of the ‘T’ to the inlet of the N2 or N3 neutralisation unit.
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Page 31: Combustion Gas Exhaust
The table below specifies maximum permissible flue back-pressure. Make sure that flue pipes are of a suitable class for the values specified in the table. Maximum flue pressure (*) BOILER model PREMIX BURNER model Boiler noise level (**) (db(A)) (Pa) TAU 115 N RX 150 S/PV TAU 150 N-NC RX180S/PV TAU 210 N-NC RX250S/PV TAU 270 N-NC... -
Page 32: Door Hinges
DOOR HINGES TAU boilers are pre-fitted with three hinges so that the Smaller sizes (system A) direction of opening of the door can be rapidly reversed. Once you have checked that the default direction of ope- ning is as required, or have reversed the direction of ope- ning as instructed in the ‘Changing the direction of door Axis of door opening’... -
Page 33: Removing The Hinge Assembly "B
Larger sizes (system B) Open the door and with the aid of a Remove the plug (1) taking care not to lose the compressed small hacksaw or a file remove the spring inserted in the threaded tube. knockout on the side opposite the le- ading edge of the door (both top and bottom). -
Page 34: Earth Connection
EARTH CONNECTION - Connect the other end of the cable to the system’s A terminal is provided on the front boiler head to connect earth bar. the boiler body to an efficient earth system. Proceed as follows. Another hole (*) in the left side of the boiler head - Unscrew the nut and washer (1) from the earth termi- can also be used to earth the appliance. -
Page 35: Fitting The Panelling
FITTING THE PANELLING To mount the panelling, proceed as follows: On models 450 N-NC, 600 N-NC, 800 N, 1000 N, 1250 - Push out the pre-formed slots in the boiler’s side panel N, 1450 N-NC, also fit side panels (6) and (7). (2) or (3) depending on what side you want to install the - Secure the side panels in place using the top cross control panel) corresponding to the oval cable grom-... -
Page 36: Preparing For Initial Start-Up
PREPARING FOR INITIAL START-UP It is essential to perform the following checks before starting up or testing the functioning of the boiler. In par- ticular, check that: - The turbulators (1) are correctly positioned (vertical posi- tion) inside the heat exchanger tubes and the clips (2) are resting against the wall (3) of the heat exchanger. -
Page 37: Initial Start-Up
INITIAL START-UP Once you have completed all the preparatory steps, proceed as follows to start up the boiler for the first time: - Since the control panel incorporates a temperature control function, make sure that the control panel is switched on. - Adjust the timer thermostat (if installed) or the temperatu- re control to the desired temperature (~20°... -
Page 38: Checks During And After Initial Start-Up
CHECKS DURING AND AFTER INITIAL START-UP Once the boiler has started up, make sure that it shuts down and re-starts properly too. Proceed as follows: - Set the boiler thermostat to the required setting (mak- ing sure that the temperature control is in manual mode). -
Page 39: Maintenance
MAINTENANCE Regular maintenance is a legal requirement. It is also es- Have your boiler serviced either by r’s Technical Assi- sential for the safety, efficiency and durability of the boiler. stance Service or by a qualified professional. Proper maintenance keeps consumption and emissions down, and ensures that the boiler continues to operate Analyse the combustion fumes before commencing any reliably over time. -
Page 40: Cleaning The Boiler
CLEANING THE BOILER Clean the boiler and remove any carbon deposits from the surfaces of the heat exchanger at least once a year. This not only extends the boiler’s working life, but also keeps it efficient in terms of heat output and consumption. -
Page 41: Troubleshooting
TROUBLESHOOTING PROBLEM CAUSE CORRECTIVE ACTION The boiler does not reach its Heat exchanger dirty Clean the flue gas pipes set temperature Heat exchanger and burner Check specifications and set- mismatched tings Insufficient gas flow to burner Check and adjust the burner Check the functioning of the Control thermostat problem thermostat... - Page 42 GENERAL...
- Page 43 GENERAL...
- Page 44 RIELLO S.p.A. 37045 Legnago (VR) Tel. 0442630111 - Fax 0442630371 - www.riello.it As part of the company’s ongoing commitment to perfecting its range of products, the appearance, dimensions, technical data, equipment and accessories may be subject to variation.
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