Related Manuals for Robur Caldaia 35 Tech
Summary of Contents for Robur Caldaia 35 Tech
- Page 1 Installation, use and maintenance manual Caldaia 35 Tech Outdoor condensing boiler Powered by natural gas/LPG...
- Page 2 The rights of those who have legitimately filed the registered trademarks contained within this publication are not affected. With the aim of continuously improving the quality of its products, Robur S.p.A. reserves the right to modify the data and contents of this Installation, use and maintenance manual without prior notice.
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Page 3: Table Of Contents
System pressure restore ..........p. 29 Fuel gas supply .............. p. 17 Error codes ............... p. 29 4 Electrical installer 9 Appendices .............. p. 18 ................p. 31 Warnings ................p. 18 Product fiche..............p. 31 Electrical power supply ..........p. 18 Installation, use and maintenance manual – Caldaia 35 Tech... -
Page 4: Iintroduction
RECIPIENTS Manual This Manual is intended for: This Manual is an integral part of the Caldaia 35 Tech End user, for appropriate and safe use of the appliance. ▶ unit and must be handed to the end user together with Qualified installer, for correct appliance installation. -
Page 5: Iii.2 Conformity
70 kW. compliance with current exhaust regulations. EN 483 Type C boilers of nominal heat input not exceeding ▶ 70 kW. EN 15502 Gas-fired central heating boilers. ▶ Installation, use and maintenance manual – Caldaia 35 Tech... -
Page 6: Iii.3
Warnings Other applicable provisions and standards instructions shall be disclaimed. The design, installation, operation and maintenance of the sys- tems shall be carried out in compliance with current applicable In particular, the warranty on the appliance may be ren- regulations, depending on the Country and location, and in ac- dered void by the following conditions: cordance with the manufacturer's instructions. -
Page 7: Features And Technical Data
The limit thermostat has manual reset. Operation Mechanical and thermo-hydraulic components The Caldaia 35 Tech units have been designed and built to meet Integrated spiral single tube stainless steel heat exchanger. ▶ the needs of space heating. These boilers (external modules) can Premix modulating burner with 1:9 ratio. -
Page 8: Components
Features and technical data COMPONENTS Figure 1.2 Boiler internal front view SYstem filling tap Heat exchanger Burner unit Flame detector Heating return probe Blower Safety valve Air vent valve Modulating circulator Gas valve System drain tap Heating delivery probe Safety thermostat Ignition electrode Expansion tank Ignition transformer... -
Page 9: Technical Characteristics
Water content inside the apparatus expansion tank volume width Dimensions depth height Weight in operation Relative to NCV (net calorific value). Installation, use and maintenance manual – Caldaia 35 Tech... - Page 10 Features and technical data 1.4.1 Circulating pump characteristic curves Figure 1.4 Circulating pump characteristic curves p/kPa Q/m³/ h Q/l/s Q/Igpm max. Q/m³/ h...
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Page 11: Electrical Wiring Diagram
Connector for optional outdoor temperature Orange Ignition transformer probe Yellow Safety thermostat Connector for optional room thermostat White Pacq Water pressure switch Standby contact Grey Heating delivery probe Line Blower Neutral Installation, use and maintenance manual – Caldaia 35 Tech... -
Page 12: Transport And Positioning
Transport and positioning TRANSPORT AND POSITIONING WARNINGS MINIMUM CLEARANCE DISTANCES Damage from transport or installation Keep the appliance away from combustible or flam- mable materials or components, in compliance with ap- plicable regulations. The manufacturer shall not be liable for any damage dur- ing appliance transport and installation. -
Page 13: Hydraulic Connections
9. If, after the above operations, a decrease in system water the condensing block (Figure 3.4 p. 14 ) to release the air pressure is observed, open again the system filling valve Installation, use and maintenance manual – Caldaia 35 Tech... - Page 14 Heating engineer until the system pressure reaches 1,2 bar. Figure 3.3 Pressure gauge and system filling tap 10. Repeat steps 7, 8 and 9 until the pressure has stabilised (at least 1,2 bar). 11. After the operation, make sure that the system filling tap (Figure 3.3 ...
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Page 15: Combustion Products Exhaust
Ø 80 mm, on the upper side of the boiler (Figure 1.1 p. 7 ). Table 3.2 Chemical and physical parameters of water ▶ The Caldaia 35 Tech is supplied with a flanged socket, equipped Acidity 7 < pH < 8,5 with a socket for flue gas analysis (detail PF in Figure 5.6 p. 24 ), Conductivity <... -
Page 16: Pump Antifreeze And Anti-Lock Function
Heating engineer 3.4.3 means of special louvres located in the lower part of the casing. Possible flue In case of extension of the duct, follow the instructions below: 3.4.2 How to realize the flue gas exhaust Use ducts and terminals (Ø 80 mm) suitable for forced draft ▶... -
Page 17: Fuel Gas Supply
Perform connection in compliance with applicable regula- ▶ tions. In order to prevent the circulation pump from locking, the Caldaia 35 Tech is equipped with an anti-lock function which, Gas pipes sizing every 24 hours of inactivity, operates the circulation pump for 30 seconds. -
Page 18: Electrical Installer
Electrical installer Gas supply pressure [mbar] Product category Countries of destination G25.3 AT, BE, CH, CZ, DE, ES, FR, GB, HU, IS, NL, SK AL, BE, BG, CH, CZ, ES, FR, GB, GR, HR, IE, IT, LT, NL, LV, MK, PL, PT, SI, SK, TR AT, CZ, DE, NL, RO The appliance gas supply pressure, both static and dynamic, must comply with the values in the Table, with a tolerance of ±... -
Page 19: Control Device
At about 1,5 m from the floor, protected against air draughts, ▶ direct exposure to sun rays and direct heat sources (lamps, hot air flow from the unit itself, etc.). Installation, use and maintenance manual – Caldaia 35 Tech... -
Page 20: Operation Via Centralised External Request
For further information on the operation and use of OPERATION VIA CENTRALISED boilers in this mode, please contact the Robur technical EXTERNAL REQUEST service. The unit's operation can also be controlled by means of an ex- ternal request. -
Page 21: Electronic Board Parameters Setting
2. Unscrew the four fixing screws 1 and remove the cover 6. To exit the parameter menu, hold down the keys upwards. simultaneously and wait for the symbol to appear on the Installation, use and maintenance manual – Caldaia 35 Tech... - Page 22 Parameter Description Range Default Setting Boiler model selection 0 - 10 9 = Caldaia 35 Tech Boiler type selection 0 - 5 5 = heating only Gas type selection 0 = G20, G25, G25.3 WARNING: before changing the parameter value, read the instructions in Para-...
- Page 23 Kd = 25 Kd = 30 Kd = 20 45 MAX Kd = 15 Kd = 10 Kd = 5 Kd = 0 25 MIN Te (°C) Tm Delivery temperature Heating control value Outdoor temperature Installation, use and maintenance manual – Caldaia 35 Tech...
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Page 24: Combustion Parameters Check
First start-up Figure 5.5 Heat input/blower frequency diagram G25.3 Freq (Hz) Thermal input Freq Frequency Table 5.2 Minimum and maximum blower frequencies in heating mode Figure 5.6 Socket for flue gas analysis and gas valve Frequency in heating mode Gas type Minimum maximum G25.3 COMBUSTION PARAMETERS CHECK The CO... -
Page 25: Gas Changeover
9. Replace the sticker indicating the gas type on the appliance key; the fixed symbol will appear on the dis- with the sticker for the new gas type. play, indicating that the function has been activated. Installation, use and maintenance manual – Caldaia 35 Tech... -
Page 26: Switching Off
NORMAL OPERATION This section is for the end user. after the Robur authorised TAC has completed the first start-up. The use of the device by the end user is only permitted Figure 6.1 External module control panel... -
Page 27: Warnings
(if any). When the correct pressure is First start-up by TAC restored, the error code disappears. First start-up may exclusively be carried out by a Robur TAC (Chapter 5 p. 20 ). OPERATION WITHOUT REMOTE Never power the appliance off while it is running... -
Page 28: Remote Control Operation (Optional)
Maintenance 3. If the boiler does not start up, the relative error will be indi- and the pump anti-lock function can be activated. cated both on the remote control and on the internal panel 6.3.5 Pump antifreeze and anti-lock function of the boiler. -
Page 29: Diagnostics
Remove the cause of the lack of heat exchange Flue safety thermal Manual reset (press Thermal fuse fault Replace fuse (102 °C) key) (1) Thermal fuse cable disconnected Check the electrical connection Installation, use and maintenance manual – Caldaia 35 Tech... - Page 30 Diagnostics Code Fault Possible cause Remedial action Reset Insufficient water pressure in the system (less Load the system at the required pressure. than 0,3 bar) Low system water Automatic pressure Water pressure cable disconnected Check the electrical connection Water pressure switch fault Replace Probe fault or out of calibration (nominal resist- Replace...
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Page 31: Appendices
(**) Low temperature means for condensing boilers 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet). Additional information required by COMMISSION REGULATION (EU) No 813/2013, Table 1: Emissions of nitrogen oxides: Installation, use and maintenance manual – Caldaia 35 Tech... - Page 32 Robur mission Robur is dedicated to dynamic progression in research, development and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur S.p.A. advanced technologies for climate conditioning via Parigi 4/6 24040 Verdellino/Zingonia (BG) Italy +39 035 888111 - F +39 035 884165 www.robur.it robur@robur.it...
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