Related Manuals for Thermona THERM 24 KDNS
Summary of Contents for Thermona THERM 24 KDNS
- Page 1 Manual for installation, operation and maintenance of boiler THERM 24 KDNS Stationary gas condensing boiler...
- Page 2 Manual for installation, service and maintenance of boiler THERM 24 KDNS...
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Page 3: Table Of Contents
CONTENTS 1. General information ................. . 4 1.1 Use . -
Page 4: General Information
Please note that it is necessary to follow the notifications given. 1.1 Use The stationary condensing boilers THERM 24 KDNS are gas hot water boilers that burn natural gas. They are constructed as consumer appliances using condensed water steam in the combustion process with excellent efficiency, minimum emissions into the air and the minimum consumption of electricity. -
Page 5: Simplified Hydraulic Diagram And Functional Diagram (Is Not Source Material For Assembly)
1.2.3 Simplified hydraulic diagram and functional diagram (is not source material for assembly) THERM 24 KDNS 1 - Gas valve 2 - De-aerating valve 3 - Circulation pump 4 - Expansion heating vessel 5 - Ventilator 6 - Pressure sensor... -
Page 6: Technical Parameters
1.4 Technical parameters Technical description Unit THERM 24 KDNS Fuel natural gas propane Consumer appliance category , II , II 2H3P 2H3P Nominal thermal input for heating Q 24.5 24.5 Minimal thermal input for heating Q Δt = 80/60 °C 24.0... -
Page 7: Set Of Boiler
1.5 Set of boiler THERM 24 KDNS 1 - Condensing body 2 - Ventilator 3 - Heating temperature probe 4 - Condensate pumping station (optional equipment) 5 - Pressure sensor 6 - Circulation pump 7 - Gas valve 8 - De-aerating valve... -
Page 8: User Manual
Winter mode – active heating and heating of DHW Summer mode – active only heating of DHW, heating is OFF Resetting the fault conditions of the boiler – it is done by pressing down the button RESET THERM 24 KDNS... - Page 9 Flashing - the burner is being activated an error code Flashing - the boiler requires service Forced heating function Flashing (every 4 s) - active communication of OpenTherm with a superior regulator Boiler reset required Flashing alternately - the boiler is off (standby) THERM 24 KDNS...
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Page 10: Information Menu
Fan speed (x100) Required temperature of heating water Measured temperature of heating water - an outdoor temperature display is only available in the case of the correction of the outside sensor and the selection of equithermic regulation THERM 24 KDNS... -
Page 11: Error Messages
* The boiler is blocked. To reactivate the boiler, manually reset by pressing the button The error code is saved into the memory of the processor where it is also saved in the case of a supply failure. The service technician can check the memory and ascertain the history of failure statuses. THERM 24 KDNS... -
Page 12: Commissioning Of The Boiler To Operation
Any full disconnection of the boiler (closing of gas supply, disconnection from electricity network) must be done with respect to the ambient temperature of the environment in the respective season! There is a risk of the heating system or DHW circuit freezing due to damage to the boiler or other elements of the heating system. THERM 24 KDNS... -
Page 13: Regulation
(the reference room). For control according to room temperature, Thermona delivers and recommends the whole series of room thermostats: e.g. THERM Home S, THERM Home SR (wireless version), BT52 WiFi etc. -
Page 14: Operation Of The Boiler Using Built-In Equithermic Regulation
Using this mode of regulation, a further decrease of operating costs can be achieved while improving thermal comfort (continuous heating of heating bodies). Finally, this option can be appreciated as pre-regulation of the primary heating circuit when using zone regulation (by mixing valves), etc. THERM 24 KDNS... -
Page 15: Operation Of The Boiler Using Master Equithermic Regulation
This system is characterized by many adjustable and displayed parameters for optimal control of the heating equipment with modulation of the boiler output. The mentioned add-in regulators are not (with the exception of short-term special offers) included in the delivery of the boiler! THERM 24 KDNS... -
Page 16: Heating Of Utility Water (Dhw)
2.4.5 Heating of utility water (DHW) THERM 24 KDNS boilers may be used, when the required additional equipment is installed, for heating water in an external indirect-heating storage tank. DHW HEATING ACTIVITY DESCRIPTION The operating phase of DHW storage tank heating starts when the storage tank sensor or thermostat detects a decreased DHW temperature. -
Page 17: Selected Protective And Additional Functions Of The Boiler
(two or three days). When activated, the storage tank is automatically heated to 60 °C, then the function is deactivated. The default setting of the function is OFF, it may be activated in the service menu of the boiler. THERM 24 KDNS... -
Page 18: Maintenance And Service
Location of the heating system manometer The external casing of the boiler can be cleaned with a damp cloth and mild detergent. Do not use cleaning agents based on sand and solvents that could damage the finish. THERM 24 KDNS... -
Page 19: Additionally Filling The Heating System
In such cases the service organisation may require that the client pays for the repair. THERMONA spol. s r. o. provides a warranty according to the stated in the Warranty Certificate delivered with the product. Terms for application of the warranty 1. -
Page 20: Installation Manual
Necessary accessories (collection of gases, regulation, outside sensor, etc.) can be ordered on request. Detailed information can be found in the catalogue of products and accessories or at www.thermona.cz. To collect smoke it is necessary to exclusively use equipment to collect gases delivered by the producer of the boiler. -
Page 21: Location Of The Boiler
(remove the network fork from the socket). Do not place any flammable objects on the boiler and within a distance that is smaller than the safe distance of the boiler. THERM 24 KDNS... -
Page 22: Installation Of The Boiler
3.4 Installation of the boiler THERM 24 KDNS stationary condensing boilers are installed on a load-bearing floor without significant unevenness. Minor floor unevenness can be compensated using the adjustable feet. The adjustable feet provide optimal height levelling while maintaining high stability. -
Page 23: Graphs Of The Connecting Overpressure Of Heating Water (On The Output For Heating Water)
3.5.2 Graphs of the connecting overpressure of heating water (on the output for heating water) Notification: The curves of the connecting over-pressures of heating water are designed for Wilo Yonos PARA 15/7 pumps for the outside regulation stage. Connecting over-pressure THERM 24 KDNS Wilo Yonos Para 15/7 Water flow (m The piping system must be located to prevent the origination of air bubbles with the aim to make de-aeration easy. -
Page 24: Expansion Tank
The manufacturer is not liable for any damage caused by unqualified setting. After the termination of the assembly of the gas lines to the boiler, it is necessary to consistently check the tightness of all joints! THERM 24 KDNS... -
Page 25: Filling And Discharging Of The Heating System
(in the case of blocking the collection of the condensate, there is resonance of the combustion chamber of the boiler chamber). Condensate analysis Impurities Unit of measure Value mg.l < 0,01 Copper (Cu) mg.l < 0,13 Lead (Pb) mg.l < 0,0066 Cadmium (Cd) mg.l < 0,0001 Zinc (Zn) mg.l 0.253 Pointer Value THERM 24 KDNS... -
Page 26: Design Of Gas Exhaust
The second and subsequent further knees shorten the maximum length by: 0,5 m - knee 45° 0,75 m - knee 90° The maximum total pressure loss of gas collection is 95 Pa. THERM 24 KDNS... - Page 27 Example of gas collection Divided system (2 x 80) Coaxial system (80/125) Divided system Flex (2 x 80) THERM 24 KDNS...
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Page 28: Connection Of The Boiler To The Storage Tank
3.10 Connection of the boiler to the storage tank THERM 24 KDNS boiler (after expansion by a three-way valve) can efficiently and reliably resolve heating water together with the heating system. A detailed description of the water heating is in Chapter 2.4.5. -
Page 29: Connection Of The Boiler To The Electricity Network
The connecting cable must not run in parallel or cross the power lines! The cable shielding must be mutually interconnected and grounded to the faston grounding to the automatic boiler system (the shielding must not be grounded to the body in several places!). For example, a SYKFY cable is recommended. THERM 24 KDNS... -
Page 30: Variants For The Installation Of The Boiler
- The current vertical piping, e.g. reconstructed chimney, is used as combustion air inlet pipeline. The minimal usable diameter / effective area of the cross section of the vertical piping used for combustion air must be 75 cm . The area for delivering combustion air must be free from all impurities (ash, dust etc.). THERM 24 KDNS... -
Page 31: Additional Information For Service
Coils are connected in the connector for the connecting cable in parallel (i.e. they are connected at the same time). The supply voltage of the coils is 230 V AC (alternate). The configuration must be secured against unauthorised use. THERM 24 KDNS... -
Page 32: Adjusting Boiler Combustion
Correction is required in the case of a deviation from the prescribed value. Correction is executed using Allen key no. 2.5 (position A). The CO concentration decreases when turning clockwise and vice versa. THERM 24 KDNS... - Page 33 Leave the service menu by pressing down buttons 3, 4 and 5 for a period of 10 s at the same time. Prescribed setting values THERM 24 KDNS Fuel: Natural gas H group Screen...
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Page 34: Electrical Connection Diagram
4.3 Electrical connection diagram THERM 24 KDNS THERM 24 KDNS... -
Page 35: Record Of Warranty And Post-Warranty Repairs And Annual Controls
5 to 50 °C, air moisture up to 75 %, with the prevention of biological influences, shocks and vibrations). To comply with the ecological parameters of the product, it is necessary to ensure inspection and maintenance each year. This inspection includes complete cleaning of the boiler and adjustment of the burner. THERM 24 KDNS... -
Page 36: Production Information Sheets
(**) 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). www.thermona.cz Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic THERM 24 KDNS... - Page 37 THERM 24 KDNS...
- Page 38 NOTE THERM 24 KDNS...
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Page 39: Certificate Of Quality And Completeness Of The Product
Technical Testing Institute s.p., EC notified body, identification number 202. The following certificates have been issued for THERM 24 KDNS boilers: 1015-GAR-02143-19, 1015-BED-02144-19, LVD-B-02145-19, EMC-B-02146-19, B-02147-19, B-02148-19. - Page 40 © THERMONA 2022 12/2022 THERMONA, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, ( 544 500 511• FAX 544 500 506 • * thermona@thermona.cz • www.thermona.cz...
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