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Summary of Contents for Rotex R2TND012A4AA
- Page 1 Installation manual Wall-mounted condensing boiler R2CND024A4AA R2TND012A4AA Installation manual R2TND018A4AA English Wall-mounted condensing boiler R2TND024A4AA...
- Page 2 2P475131-2B...
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Page 3: Table Of Contents
Damage caused by non- observance of these instructions are not under the responsibility of Central heating system requirements........10 ROTEX. Underfloor heating requirements..........11 Residual pump lift graph............11 ▪ The original documentation is written in English. All other Connections ................ -
Page 4: Symbols On The Package
About the unit Maximum central heating pressure (bar) Maximum central heating pressure (MPa) This ROTEX unit is a wall-mounted gas-fired condensing boiler that Maximum domestic hot water pressure (bar) Maximum domestic hot water pressure (MPa) can supply heat to central heating systems, as well as supply Country of destination(s) domestic hot water. -
Page 5: Dimensions
71.9 65.1 reset after supply voltage is above 180 Volt. It is recommended to Bottom view of models R2TND012A4AA, R2TND018A4AA and use a voltage regulator of suitable power and type in locations with R2TND024A4AA voltage fluctuations below this limit for faultless operation. -
Page 6: Components
3 About the unit Components Components of model R2CND024A4AA Components of models R2TND012A4AA, R2TND018A4AA and R2TND024A4AA Automatic air vent (heat exchanger) Flow temperature sensor Automatic air vent (heat exchanger) Expansion vessel (8 litres) Flow temperature sensor Gas valve Expansion vessel (8 litres) -
Page 7: Technical Specifications
3 About the unit Technical specifications Technical specifications Unit R2TND012A4AA R2TND018A4AA R2TND024A4AA R2CND024A4AA Heat Input Range(Qn) 2.9~11.2 2.9~17.0 2.9~23.5 2.9~23.5 Nominal Heat Output Range (Pn) at 80-60°C 2.8~10.9 2.8~16.6 2.8~22.8 2.8~22.8 Nominal Heat Output Range (Pn) at 50-30°C 3.1~12.0 3.1~18.0 3.1~24.0... -
Page 8: To Open The Unit
4 Installation Energy-related products (ErP) specifications Symbol Unit R2TND012A4AA R2TND018A4AA R2TND024A4AA R2CND024A4AA Daily electricity consumption — — — 0.166 elec Annually electricity consumption — — — Water heating energy efficiency η — — — Water heating energy efficiency class —... -
Page 9: Minimum Installation Clearances
Condensate hose Cable glands 2×PG 7, 1×PG 9 Energy label Storage tank temperature sensor (only for models R2TND012A4AA, R2TND018A4AA and R2TND024A4AA) 2 Check the contents of the package. If any of them is damaged or missing, contact your dealer. CAUTION Store the remaining parts of the package (cardboard, plastic, etc.) in a place children cannot reach. -
Page 10: To Mount The Unit
4 Installation To mount the unit Central heating system requirements 1 The mounting template shows the position for the horizontal flue. If there is no hole in the wall for the flue piping, drill one. If Expansion vessel sizing there is already a hole in the wall for the flue piping, you can The boiler is equipped with an 8 litre expansion vessel that has initial use this hole as a starting point to determine the position of the charge pressure of 1 bar. -
Page 11: Underfloor Heating Requirements
1200 1400 1600 1800 Ensure that necessary gaskets are placed. B (l/h) Note: Optional ROTEX connection kit can be used and it is Residual pump lift (mbar) recommended to use it. Flow (l/h) Piping connections of models R2TND012A4AA, Connections R2TND018A4AA and R2TND024A4AA Below, find the piping connections of the unit. -
Page 12: Guidelines When Connecting The Gas Piping
Ensure that necessary gaskets are placed. ▪ The materials used in the installation must be in compliance with Note: Optional ROTEX connection kit can be used and it is the applicable legislation, standards, and regulations. recommended to use it. -
Page 13: Guidelines When Connecting The Electrical Wiring
4 Installation ▪ The maximum pressure in the domestic hot water circuit is 10 bar. ▪ A main switch or other means for disconnection, having a contact Inspect the piping taking this in to consideration. If the water separation in all poles providing full disconnection under pressure of the main water supply is excessive, use an overvoltage category III, shall be installed in the fixed wiring. - Page 14 4 Installation Wiring of the options that are to be connected to the X2M connector must pop out from the inside of the unit via cable glands. Cable glands that are sent with the unit must be assembled to the bottom sheet of the boiler in case connection of these options.
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Page 15: Wiring Diagram
4 Installation 4.8.6 Wiring diagram DANGER: RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes before servicing Model R2CND024A4AA Models R2TND024A4AA, R2TND018A4AA and R2TND012A4AA R2CND024A4AA + R2TND012~024A4AA Installation manual Wall-mounted condensing boiler 3P469346-4E – 2017.07... -
Page 16: Guidelines When Connecting The Condensate Piping
Flue temperature sensor NTC5 Domestic hot water temperature sensor (for models R2CND024A4AA) NTC5 Domestic hot water storage tank sensor (for models R2TND012A4AA, ≥450 mm R2TND018A4AA and R2TND024A4AA) Air breaker NTC6 Solar domestic hot water Internal soil and vent stack temperature sensor... -
Page 17: Guidelines When Connecting The Boiler To The Flue Gas System
4 Installation Open end direct into gully, below ground but above water NOTICE level Optional parts shown in rectangular area are used where Terminating into an external purpose made soakaway needed. Type C13x (concentric flue system) The boiler draws combustion air from outside via a concentric coaxial pipe fitted to the external wall and expels flue gas to the outside via the external wall. - Page 18 4 Installation Flue length determination Flue duct length (L) is measured from lip of the elbow to end of the flue terminal. Flue duct length Distance of outer lip of terminal to outer wall, a≤50 mm Note: Flue ducts are inserted 45 mm into elbows and extensions. Type C33x (concentric flue system) The boiler draws combustion air from the outside and expels flue gas to the outside through a concentric coaxial pipe via the roof.
- Page 19 ▪ The boiler must be connected to a system with the following system must be obtained via ROTEX. characteristics: T120 P1 W ▪ Maximum allowable temperature of combustion air: 50°C ▪...
- Page 20 CE marking. The connection between the boiler and the shaft and, the connection between the boiler and the air intake system must be obtained via ROTEX. In C83x type units, condensate flow into the unit is not allowed.
- Page 21 4 Installation Allowable flue length for C93x (for R2CND* ) DN 80 Flex circular and rough 33.8 DN 80 Flex circular and rough 12.8 DN 80 Flex square and rough 19.6 69.2 DN 80 Flex square and rough 17.0 60.0 DN 80 Flex square and rough 12.2...
- Page 22 45° elbow 60 mm 1.0 m Required flue kits and/or additional parts can be ordered from 90° elbow 80 mm 2.0 m ROTEX with the order codes given in the table below: 45° elbow 80 mm 1.0 m Flue part Order code Subtract equivalent length value of bends from the allowable flue...
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Page 23: To Fill The System With Water
Water filling must be done while the boiler is in standby mode. Method 1 Use a disconnector or a double check valve according to (For models R2TND012A4AA, R2TND018A4AA local regulations. R2TND024A4AA) After all system connections are performed with care, perform the following steps: 1 Connect the appliance to the main power supply. -
Page 24: To Convert The System For Use With A Different Type Of Gas
5 Commissioning DANGER To fill the condensate trap Isolate the boiler from the power mains before gas INFORMATION conversion operation. Water must be poured into the inner tube. 4.10.1 To convert the system for use with a Fill the condensate trap by pouring 0.2 litres of water from the boiler different type of gas flue outlet. -
Page 25: To Commission The Central Heating
6 Hand-over to the user 5.4.2 To commission the central heating capacity setting The boiler's central heating capacity can be adjusted form the control panel. If the heat loss of installation is much less than that of the boiler nominal capacity, it is recommended to reduce the boiler nominal capacity to the installation capacity. - Page 28 Unsere Partner im Ausland Our partners abroad • Unsere Partner im Ausland Nos partenaires à l’étranger • Le nostre sedi all'estero Neustros representantes en el extranjero Nasi partnerzy za granicą • Naši partneři v zahraničí http://de.rotex-heating.com > ueber-rotex > international 3P469346-4E 2017.07...
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