Thermona THERM 35 KD Manual For Installation, Operation And Maintenance
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Thermona THERM 35 KD Manual For Installation, Operation And Maintenance

Hanging gas condensing boiler
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Manual for installation,
operation and maintenance
of boiler
THERM 18 KD, KDZ, KDC, KDZ 5
THERM 25 KD, KDZ, KDC, KDZ 5
THERM 35 KD, KDZ, KDC, KDZ 5
Hanging gas condensing boiler

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  • Page 1 Manual for installation, operation and maintenance of boiler THERM 18 KD, KDZ, KDC, KDZ 5 THERM 25 KD, KDZ, KDC, KDZ 5 THERM 35 KD, KDZ, KDC, KDZ 5 Hanging gas condensing boiler...
  • Page 2 Manual for installation, service and maintenance of boiler THERM 18 KD, KDZ, KDC, KDZ 5 THERM 25 KD, KDZ, KDC, KDZ 5 THERM 35 KD, KDZ, KDC, KDZ 5...

  • Page 3: Table Of Contents

    CONTENTS 1. General information ................. . 4 1.1 Use .

  • Page 4: General Information

    ƒ electric ignition (saving of fuel) ƒ built-in automatic by-pass 1.2.2 Construction variants THERM 18 KD, 25 KD, 35 KD ƒ closed combustion chamber – TURBO variant ƒ variant designed only for heating ƒ air for combustion is sucked in from the open air THERM 18 KDZ, 25 KDZ, 35 KDZ ƒ...

  • Page 5: General Description

    1.2.4 Simplified hydraulic and functional diagrams (are not source materials for assembly) THERM 18 KD, 25 KD, 35 KD 1 - Gas valve 2 - Safety valve...
  • Page 6 THERM 18 KDZ, 25 KDZ, 35 KDZ 1 - Gas valve 2 - Safety valve 3 - Circulation pump 4 - Expansion heating vessel 5 - Ventilator 6 - Emergency thermostat 7 - Thermal probe 8 - Flue gas temperature probe 9 - Mixer 10 - Gulley trap (siphon) 11 - Hydroblock...

  • Page 7: Operational Safety

    THERM 18 KDZ 5, 25 KDZ 5, 35 KDZ 5 1 - Gas valve 2 - Safety valve 3 - Circulation pump 4 - Expansion heating vessel 5 - Ventilator 6 - Emergency thermostat 7 - Thermal probe 8 - Flue gas temperature probe 9 - Mixer 10 - Gulley trap (siphon) 11 - Hydroblock...

  • Page 8: Technical Parameters

    1.4 Technical parameters Technical description Unit THERM 18 KD THERM 18 KDC Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q...
  • Page 9 Technical description Unit THERM 18 KDZ THERM 18 KDZ 5 Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q 18,0 18,0 18,0 18,0...
  • Page 10 Technical description Unit THERM 25 KD THERM 25 KDC Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q 23,5 23,5 23,5 23,5 Minimal thermal input for heating Q...
  • Page 11 Technical description Unit THERM 25 KDZ THERM 25 KDZ 5 Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q 23,5 23,5 23,5 23,5...
  • Page 12 Technical description Unit THERM 35 KD THERM 35 KDC Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q 35,0 35,0 35,0 35,0 Minimal thermal input for heating Q...
  • Page 13 Technical description Unit THERM 35 KDZ THERM 35 KDZ 5 Fuel natural gas propane natural gas propane Consumer appliance category , II , II , II , II 2H3P 2H3P 2H3P 2H3P Construction Nominal thermal input for heating Q 35,0 35,0 35,0 35,0...

  • Page 14: Set Of Boilers

    1.5 Set of boilers THERM 18 KD, 25 KD, 35 KD 1 - Condensing chamber 2 - Ventilator 3 - Heating temperature probe 4 - Expansion heating vessel 5 - Emergency thermostat 6 - Energy saving pump 7 - Gas valve...
  • Page 15 THERM 18 KDC, 25 KDC, 35 KDC 1 - Condensing chamber 2 - Ventilator 3 - Heating temperature probe 4 - Expansion heating vessel 5 - Emergency thermostat 6 - Energy saving pump 7 - Gas valve 8 - Safety valve 9 - Control panel 10 - Compound ignition and ionising electrode 11 - Three-way valve...

  • Page 16: User Manual

    2. USER MANUAL 2.1 Control and signalling This appliance may be used by children at the age of 8 and above and by people with impaired physical, sensory or mental abilities, or lack of experience and knowledge provided that they are supervised or that they have been instructed on the safe use of the appliance, and that they understand the potential risks.

  • Page 17: Lcd Display

    Information about heating water pressure – hold the button for 1 second to display the current heating water pressure (5 seconds) Setting the heating temperature – rotary control knob for user setting of the output temperature of water in the heating system within the range 30 –...

  • Page 18: Custom Menu

    Description of symbols shown on the display SYMBOL MEANING Display of temperatures, failure statuses and service values Permanent light – the boiler is in the summer or winter mode Flashing – water is being heated, or the required water temperature needs to be set Permanent light –...
  • Page 19 List of displayed parameters Order Description Unit Information menu „In“ SW automatics version Outside temperature °C Temperature of heating water °C Flue gas temperature °C DHW temperature °C Temperature of return water °C The required heating temperature °C Boiler output Inactivited Pressure of heating water In10...

  • Page 20: Error Messages

    2.1.4 Error messages Any potential failure or other anomaly is indicated by alternating flashing of the failure code with the text E or rE and illumination of the LCD display. Error code displayed on LCD and the meaning: ERROR CODE MEANING E 02 Low pressure of heating water...

  • Page 21: Activation And Deactivation Of The Boiler

    2.2 Activation and deactivation of the boiler 2.2.1 Commissioning of the boiler The boiler must only be commissioned by a service employee authorised by the producer! The list of service technicians is attached to the product. Action to be taken before and during the activation of the boiler. Before the first activation of the boiler it is necessary to take the following measures: ƒ...

  • Page 22: Regulation

    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 23: Operation Of The Boiler Using Built-In Equithermal Regulation

    2.3.3 Operation of the boiler using built-in equithermal regulation This regime is accessible in the boiler in the standard variant but is not activated. The activation and the primary setting of the regulation is performed at the request of the client by an authorized service technician. During equithermal regulation the boiler changes the temperature of the heating water automatically according to the changes in the outside temperature.
  • Page 24 It results from the mentioned facts that using the knob to set the temperature of the heating on the control panel, in this regime, the requested temperature of the heating space is indirectly set. At the beginning (in the production) the equithermal curve is set for „K“...

  • Page 25: Operation Of The Boiler Using Built-In Equithermal Regulation

    2.3.4 Operation of the boiler using built-in equithermal regulation After ensuring “full value“ equithermal regulation (including setting the time programmes, etc. ) it is recommended to use intelligent programmable regulator CR 04 or PT 59, which regularly communicates with the microprocessor of the automatic boiler system.

  • Page 26: The Heating Of Water In The Accumulator Storage Tank Is In The Connection With Solar Panels

    The informative connection diagram of the indirect heating storage tank to the gas boiler 1 – Gas boiler THERM 18 KDZ, 25 KDZ, 35 KDZ 2 – Indirect heating storage tank 3 – Air release valve 4 – Heating system 5 –...

  • Page 27: Selected Protective Functions Of The Boiler

    2.4 Selected protective functions of the boiler Notification: All the above-mentioned security and registered functions are in activity only if the boiler is connected to the electricity! Anti-locking pump function After 24 hours of inactivity, the pump runs for 30 seconds to prevent any blocking (zalehnutí). After 24 hours of inactivity. the three-way valve relay is activated for 10 seconds (if the boiler is fitted with it) due to the same reason.

  • Page 28: Maintenance And Service

    In such cases the service organisation may require that the client pays for the repair. THERMONA Ltd provides a warranty according to the stated in the Warranty Certificate delivered with the product. Terms for application of the warranty: 1.

  • Page 29: 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 30: Location Of The Boiler

    3.3 Location of the boiler The condensing boilers THERM can be installed in the basic AA5/AB5 environment according to ČSN 33 2000-3 and ČSN 33- 2000-5-51 ed. 3 (range of temperature +5 to 40°C, moisture depending on the temperature up to a maximum of 85 %, without harmful chemical influences).

  • Page 31: Suspending The Boiler

    Around the boiler, due to service inspection or potential service intervention, leave a manipulation area so to be able to easily work with your hands around the boiler using standard hand held tools. 3x180 THERM 18 KD, KDZ, KDC THERM 18 KDZ 5 THERM 25 KD, KDZ, KDC...

  • Page 32: Dimensions And Connection

    3.5.1 Dimensions and connection 60/100 60/100 THERM 18 KD, KDZ, KDC; 25 KD, KDZ, KDC THERM 18 KDZ 5, 25 KDZ 5, 35 KDZ 5 * THERM 35 KD, KDZ, KDC THERM 18 KDC, 25 KDC, 35 KDC THERM 18 KD, 25 KD, 35 KD...

  • Page 33: Graphs Of The Connecting Overpressures Of Heating Water (On The Output For Heating Water)

    3.5.2 Graphs of the connecting overpressures of heating water (on the output for heating water) Notice: 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 18 KD, 25 KD, 35 KD (limited bypass) Wilo Yonos Para 15/7 Water flow (m Connecting over-pressure THERM 18 KDZ, KDZ 5;...

  • Page 34: Expansion Tank

    The piping system must be located to prevent the origination of air bubbles with the aim to make de-aeration easy. The de-aerating elements should be mounted on all the highest located parts of the heating system and also on all heating bodies. Before testing and commissioning, according to ČSN 06 0310, the assembly must include perfect flushing of the heating system up to fully clean status.

  • Page 35: Connection Of The Boiler To The Gas Distribution

    3.7 Connection of the boiler to the gas distribution Prior to connecting gas, it is required to check that the connecting conditions (connecting gas pressure, gas type etc.) correspond with the terms and conditions approved for this type of boiler. The boiler must only be connected to gas by an authorized firm according to ČUBP Regulation and ČBU 21/1979 Coll.

  • Page 36: Condensate Outlet

    3.9 Condensate outlet The boiler is fitted with an odour closure (siphon), which must be flooded before running the boiler with about 100 ml of water. Firstly, it is necessary to connect neutralizing equipment to the outlet for the condensate and then to discharge the condensate to the sewerage piping.
  • Page 37 Example of gas collection Divided system (2 x 80) Coaxial system (60/100, 80/125) Divided system Flex (2 x 80) T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...

  • Page 38: Connection Of The Boiler To The Storage Tank

    The THERM 18 KDZ, 25 KDZ and 35 KDZ boiler (after expansion by the three-way valve and in the version only for heating – THERM 18 KD, 25 KD, 35 KD) may be reliably and efficiently resolved together with the heating for the heating system and heating of water (DHW).

  • Page 39: Variants For The Installation Of The Boiler

    3.13 Variants for the installation of the boiler Construction: - Coaxial horizontal variant with termination to the peripheral wall. The piping can be double, the termination is either concentrical or closely located (location inside the square with the side 50 cm), so it is affected by the same atmospheric conditions.

  • Page 40: Additional Information For Service

    4. ADDITIONAL INFORMATION FOR SERVICE 4.1 Gas fitting B&P SGV - setting SGV (Smart Gas Valve) is an electronically controlled gas valve that ensures an ideal mixture for optimal combustion in all operating statuses in cooperation with the multiphase fan, mixer and control automatics of the boiler. SGV is automatically set during commissioning of the boiler by activating the auto-calibration function with optional manual corrections.
  • Page 41 To deactivate the combustion calibration function, hold buttons 2 and 3 at the same time for 5 seconds. The boiler combustion may only be adjusted by an employee of an authorised service organisation! Prescribed setting values THERM 18 KD, KDZ, KDZ 5 Fuel:...
  • Page 42 Prescribed setting values THERM 18 KDC Fuel: Natural gas H group Screen diameter Output Fan speed [mm] [kW] [rpm] 23,5 6250 8,6 - 9,1 5,4 - 4,7 13,5 3600 8,6 - 9,1 5,4 - 4,7 1025 8,6 - 9,1 5,4 - 4,7 Fuel: Propane P group...

  • Page 43: Electrical Connection Diagram

    4.3 Electrical connection diagram THERM 18 KD, 25 KD, 35 KD T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 44 THERM 18 KDZ, 25 KDZ, 35 KDZ THERM 18 KDZ 5, 25 KDZ 5, 35 KDZ 5 T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 45 THERM 18 KDC, 25 KDC, 35 KDC T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...

  • Page 46: Record Of Warranty And Post-Warranty Repairs And Annual Controls

    5. RECORD OF WARRANTY AND POST-WARRANTY REPAIRS AND ANNUAL CONTROLS Performed action Contractual organisation Signature of client Date of record Notification of package and product disposal after termination of its service life: All materials used are fully harmonized with the requirements stated in Section 10 of Act No. 185/2001 Coll. and section 6 of Act No. 477/2001 Coll..

  • Page 47: Production Information Sheets

    Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 48 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 49 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 50 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 51 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 52 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 53 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 54 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 55 Thermona, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, Czech Republic T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 56 T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 57 T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...
  • Page 58 NOTE T H E R M 18 K D, K DZ , K D C , K DZ 5; 25 K D, K DZ , K D C , K DZ 5; 35 K D, K DZ , K D C , K DZ 5...

  • Page 59: Certificate Of Quality And Completeness Of The Product

    Technical Testing Institute in Piešťany, Slovak Republic, EC notified body, identification number 202. The following certificates have been issued for boilers THERM 18 KD, KDZ, KDZ 5 and KDC: E-30-00753-18-rev.1, E-30-00754- 18-rev.1, E-30-00802-18-rev.1, E-30-00803-18-rev.1, B-30-00968-18-rev.1, B-30-00969-18-rev.1.
  • Page 60 © THERMONA 2022 12/2022 THERMONA, spol. s r.o., Stará osada 258, 664 84 Zastávka u Brna, ( +420 544 500 511• FAX +420 544 500 506 • * thermona@thermona.cz • www.thermona.cz...

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