Riello Condexa HPR 35 Instructions For The Installer And For The Technical Assistance Centre
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Riello Condexa HPR 35 Instructions For The Installer And For The Technical Assistance Centre

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Condexa HPR 35 - 45
Condexa HPR 55 - 70
CONDEXA HPR
INSTRUCTIONS FOR THE INSTALLER AND FOR THE TECHNICAL ASSISTANCE CENTRE
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Summary of Contents for Riello Condexa HPR 35

  • Page 1 Condexa HPR 35 - 45 Condexa HPR 55 - 70 CONDEXA HPR INSTRUCTIONS FOR THE INSTALLER AND FOR THE TECHNICAL ASSISTANCE CENTRE...
  • Page 2 MODEL CODE quality and safety for many years to come. Condexa HPR 35 20190064 This booklet provides the necessary information which, Condexa HPR 45 20190066 combined with your own knowledge and expertise, will...

  • Page 3: Table Of Contents

    CONTENTS GENERAL REMARKS ............4 General warnings .

  • Page 4: General Remarks

    GENERAL REMARKS GENERAL REMARKS ƒ the operating pressure of the hydraulic system must be checked regularly to make sure it is be- General warnings tween 1.5 and 2.0 bar; if this is not the case, con- tact the Aftersales Service or professionally qual- ified personnel The boilers produced in our plants are built paying If the boiler is not used for a long time, you are...

  • Page 5: Boiler Description

    (up to 4 It indicates the technical and performance data. in-line boilers), or front-and-back configuration (up to 4 boilers - 2+2). RIELLO S.p.A. - Via Ing. Pilade Riello, 7 - 37045 Legnago (Vr) Caldaia a condensazione G20=20mbar G31=37mbar II2H3P...

  • Page 6: Structure

    GENERAL REMARKS Structure Condexa HPR 35-45 Gas valve Degassing unit/boiler discharge tap Differential heating pressure switch Pressure transducer with minimum pressure function NTC delivery probe Safety thermostat with manual reset by means of a board reset Suction line Heat exchanger...

  • Page 7: Technical Data

    GENERAL REMARKS Technical data CONDEXA HPR DESCRIPTION 34,90 45,00 55,00 70,00 Heating Rated heat input 30.014 38.700 47.300 60.200 kcal/h Nominal heat output (80°/60°) 33,99 43,88 53,60 68,24 kcal/h 29.234 37.733 46.099 58.683 37,31 47,30 58,25 74,19 Nominal heat output (50°/30°) kcal/h 32.085 40.674...
  • Page 8 (*) Average value of various hot water operating conditions (**) Check made with concentric pipe Ø 60-100 (CONDEXA HPR 35-45) - Ø 80-125 (CONDEXA HPR 55-70), length 0.85 m - in heating, water temperature 80-60°C - values measured with the casing completely closed The data indicated must not be used to certify the system;...
  • Page 9 GENERAL REMARKS Description Condexa HPR boiler type Temperature of the flue gases in nominal conditions 59,8 48,8 56,9 72,2 75,5 68,8 76,0 55,3 56,7 45,9 54,4 (at 80/60°C) [°C] Mass flow rate [m /h] @ nominal output [kW] 3,77 4,864 5,989 7,702 3,816 4,849 5,799 7,486...
  • Page 10 GENERAL REMARKS CONDEXA PARAMETERS METHANE GAS (G20) LIQUID PROPANE GAS (G31) Lower Wobbe index (at 15°C-1013 mbar) MJ/m³S 45,67 70,69 Net calorific value MJ/m³S 34,02 Nominal supply pressure mbar (mm H2O) 20 (203,9) 37 (377,3) Minimum supply pressure mbar (mm H2O) 10 (102,0) HPR 35 Burner: diameter/length...
  • Page 11 GENERAL REMARKS HPR 35 HPR 45 Unit Parameter Symbol Seasonal space heating energy efficiency class Water heating energy efficiency class Rated heat output Pnominal Seasonal space heating energy efficiency ηs Useful heat output At rated heat output and high-temperature regime (*) 34,0 43,9 11,3...

  • Page 12: Circulator Residual Discharge Head

    GENERAL REMARKS Circulator residual discharge head The boiler has an anti-lockout system that launches The boiler is equipped with a high-efficiency modulat- an operating cycle after 24 hours of stoppage in any ing circulator (already hydraulically and electrically con- operating status. nected) whose effective available performance values are indicated in the graphs below.

  • Page 13: Water Circuit

    GENERAL REMARKS 1.11 Water circuit Probes in the boiler Safety thermostat Condexa HPR 35-45 NTC delivery probe Flue gas probe NTC return line probe Condexa HPR 35-45 Condexa HPR 55-70 Condexa HPR 55-70 Resistive values of the NTC probes with variations in the temperature Temperature °C...

  • Page 14: Control Panel

    GENERAL REMARKS 1.12 Control panel Indicates the connection to a remote device (OT or RS485) lndicates the connection to a wi-fi device Indicates the presence of an outdoor tem- perature sensor Indicates the activation of special DHW functions, or the presence of a solar thermal RESET MENU management system...

  • Page 15: Structure Menu

    GENERAL REMARKS The following table lists the programmable parameters; if the adjustment board does not support the relative func- tion, the interface returns an error message. 1.13 Structure menu For a detailed explanation of the parameters, refer to paragraph “1.14 Description of the parameters”. Personali- Parame- Scrolling message...
  • Page 16 GENERAL REMARKS Personali- Parame- Scrolling message Password Value set Menu Value ters only if parameter P1.05 = 1 level in the factory values P4.18 WEATHER COMP ENABLE 0 (default)/1 INSTALLER 1,0-3,0 P4.19 WEATHER COMP CURVE INSTALLER 0,2-0,8 P4.20 NIGHT COMPENSATION 0 / 1 INSTALLER P4.21...

  • Page 17: Description Of The Parameters

    GENERAL REMARKS 1.14 Description of the parameters Some of the following functions might not be available depending on the type of machine and the access level. PARAMETER DESCRIPTION To set the desired language 0 IT - 1 RO - 2 FR - 3 EN - 4 SR - 5 HR - 6 ES - 7 EL - 8 BG - 9 PL - 10 SL P 1.01 P1.02 To set TIME and DATE...
  • Page 18 GENERAL REMARKS When P4.23 = 1, this parameter allows you to set the address of the BE16 board of zone 1. P4.24 The factory setting is 1 and can be set within the 1 - 6 range. Note: see the instruction sheet of the BE16 accessory board for more information about the use of this parameter. When P4.23 = 1, this parameter allows you to set the hydraulic confi...

  • Page 19: Configuring A System With Rec10

    GENERAL REMARKS Parameter for confi guring solar collector pump operation; you can choose between the following three options: 0 = OFF (factory setting) ==> the solar collector pump is always off P6.13 1 = ON ==> the solar collector pump is always on 2 = AUTO ==>...

  • Page 20: Boiler Cascade Configuration

    GENERAL REMARKS 1.16 Boiler cascade configuration When the boiler is identified as part of a cascade system, some functions/displays are simplified or inhibited: Condexa HPR can be inserted in a cascade control sy- ƒ the boiler works only in HEATING ONLY mode. stem from 2 to 4 boilers.

  • Page 21: Installation

    INSTALLATION 2 INSTALLATION It is forbidden to cover or reduce the size of the ventilation openings in the installation room, as Consignment of the appliance they are essential to ensure correct combustion. It is forbidden to leave flammable containers and The Condexa HPR boiler is delivered on a pallet, pack- substances in the room where the boiler is in- aged and protected with cardboard.

  • Page 22: Minimum Clearance Areas Recommended

    − heat-sensitive walls (e.g. wooden walls) must be protected with good insulation. When installing Condexa HPR 35-45 models, it is ESSENTIAL to consider the clearance required for the Minimum clearance areas recommended use of the combustion analysis tool. The drawing...

  • Page 23: Installation On Appliances That Are Old Or That Need To Be Updated

    ƒ fasten the plate to the wall. has no blockages or constrictions. Refer to paragraph “2.13 Flue gas exhaust and combustion air suction” for CONDEXA HPR 35-45 further information ƒ The electrical system is installed by qualified person- nel and complies with the specific standards ƒ...
  • Page 24 This step is vital when a replacement is being made on a pre-existing system. If the old generator is still installed in the system, when cleaning you are advised to: Condexa HPR 35-45 − add a de-scaling additive Condexa HPR 35-45 diverting valve −...

  • Page 25: Schematic Hydraulic Systems

    Outdoor temperature sensor It is forbidden to operate the boiler and circulators High-temperature system delivery without water. High-temperature system return Cold water inlet On Condexa HPR 35-45 models, the diverting valve DHW outlet (12) can be installed in the boiler.
  • Page 26 INSTALLATION Layout 3: circuit with boiler connected to heating system via separator Components NOT managed directly by the boiler 10 9 1 Layout 4: circuit with boiler connected to DHW tank and heating system via separator Components NOT managed directly by the boiler 1 10 9 1 The domestic hot water and central heating circuits Disconnector valve...
  • Page 27 Outdoor temperature sensor It is forbidden to operate the boiler and circulators High-temperature system delivery without water. High-temperature system return Cold water inlet On Condexa HPR 35-45 models, the diverting valve DHW outlet (12) can be installed in the boiler.

  • Page 28: Removing The Casing

    INSTALLATION 2.10 Removing the casing While it is normal for the intake pressure to decrease while the appliance is operating, it is a good idea to check that To access the internal components, remove the casing as there are no excessive pressure fluctuations. In order to explained below: limit the extent of these variations, the diameter of the ƒ...
  • Page 29 INSTALLATION is suitably earthed; the manufacturer will not be liable for any damage resulting from an incorrect or absent earth connection. The length of the wires between the cable fixing point and the terminals must be such that, if the cable slips out of its fixing point, the live wires are pulled taut prior to the earthing one.
  • Page 30 INSTALLATION Connecting the mains voltage The connection to the mains supply must be made on the M01 terminal board, as shown in the detailed drawing and in the wiring diagram. 230 V To connect the power supply cable − remove the casing as explained in paragraph “2.10 Removing the casing”...
  • Page 31 PWM signal for pump command Connection for hydraulic 3-way valve (available V Lv PWM signal for fan command Pressure transducer upon request from the Riello price list catalogue) Return probe Remote alarm (accessory) Flow probe Zone valve or additional pump (accessory)

  • Page 32: Flue Gas Exhaust And Combustion Air Suction

    − photo-processing facilities − body-shops − plastics manufacturing plants − furniture construction areas and plants. CONDEXA HPR 35-45 The condensing appliances described in this man- ual must be installed with flue gas pipes complying with current legislation and purposely designed for this specific use.
  • Page 33 INSTALLATION CONDEXA HPR 35-45 CONDEXA HPR 35-45 − Make sure the 4 tabs (A) are inserted in the groove (B). B23P - B53P Ø60-100 − Fully tighten the screws (C) that hold the two lock- ing terminals of the flange, so the bend is held against the flange itself.
  • Page 34 1,6 m Complete the installation using the bend and extension Condexa HPR 45 10 m 1,3 m 1,6 m Ø 80-125 available as an accessory in the Riello catalog. Condexa HPR 55 1,3 m 1,6 m Condexa HPR 70 1,3 m 1,6 m Separated pipes Ø...

  • Page 35: Filling The Heating System And Eliminating Air

    2.14 Filling the heating system and system degassing/discharge tap (C) and close the valve. eliminating air Condexa HPR 35-45 In the case of a new installation or replacement of the boil- er, it is necessary to clean the heating system beforehand.

  • Page 36: Commissioning

    COMMISSIONING 3 COMMISSIONING Programming the boiler Preliminary checks ƒ Turn the main system switch ON. ƒ Open the gas tap to allow fuel to flow. The first ignition should be carried out by expert per- sonnel from an authorised Technical Assistance Service Centre.

  • Page 37: Setting The Temperature Control

    COMMISSIONING The display shows the message -AIR and the RESET icon If the calculation gives an intermediate value between two bends, you are advised to choose the temperature lights up. control bend closest to the value obtained. Example: if the value obtained from the calculation is 1.3, this is between curve 1 and curve 1.5.

  • Page 38: Initial Start-Up

    COMMISSIONING In this case, when the CONTACT is CLOSED, the heat re- ƒ The boiler will start up and then continue working quest is made by the flow sensor on the basis of the until the set temperatures are reached, after which it outdoor temperature, to obtain a nominal temperature will go back to standby.

  • Page 39: Adjusting The Heating Water Temperature Without An Outdoor Temperature Sensor Connected (Only In The Case Of A Boiler With Sensor)

    COMMISSIONING Adjusting the heating water temperature 3.8 Adjusting the domestic hot water without an outdoor temperature sensor temperature connected (only in the case of a boiler with CASE A: heating-only, with no storage tank - adjustment sensor) not applicable CASE B: heating-only + external storage tank with ther- If there is no outdoor temperature sensor, the boiler mostat - adjustment not applicable works with a fixed point.

  • Page 40: Screed Heater Function

    COMMISSIONING 3.11 Screed heater function 3.13 Anti-legionella function (only if a storage tank with probe is connected) For a low temperature system the boiler has a “screed heater” function that can be activated in the following way: The appliance has an automatic ANTI-LEGIONELLA func- ƒ...
  • Page 41 COMMISSIONING ƒ Check the max CO2 value shown on the analyser com- CONDEXA HPR 35-45 plies with the indications in the table. If it doesn’t, ƒ Remove the screw and cover on the upper wall (A-B). calibrate the gas valve - see paragraph “3.17 Gas valve ƒ...

  • Page 42: Adjustments

    ƒ release the instrument panel and rotate it forwards. 1.850 1.750 1.850 1.750 For CONDEXA HPR 35-45 models ƒ Loosen the nut of the gas train (A). ƒ Remove the nozzle (B) inside the gas valve, and re- table 3 place it with the one in the kit.

  • Page 43: Signalling And Faults

    COMMISSIONING If the reset attempts fail to activate boiler opera- tion, contact the Aftersales Service. Fault E020: in the event of frequent intervention of the limit thermostat (especially in the CONDEXA HPR 55 and 70 boilers), check whether parameter P4.11 is programmed at 1 and take it to 0 to reset the timings envisaged for the heating phases.
  • Page 44 COMMISSIONING List of anomalies ERROR CODE ERROR MESSAGE DESCRIPTION OF TYPE OF ALARM Flame lockout Condensate drain obstructed E010 defi nitive Flue gas exhaust/air suction obstructed Diff erential pressure switch E011 Extraneous fl ame transitional E020 Limit thermostat defi nitive E030 Fan fault defi...

  • Page 45: Info Menu

    COMMISSIONING 3.20 INFO menu Press button 3 from the initial display screen to see a series of information items relating to boiler operation, listed according to the parameter name and value. To switch between parameters, press the buttons. Press to see the selected parameter; press to return to the main screen.

  • Page 46: Switching Off For Lengthy Periods

    COMMISSIONING 3.22 Switching off for lengthy periods If the boiler is not used for a long time, the following operations must be carried out: ƒ set the status of the boiler to ƒ Set the system's main switch to "off" ƒ...

  • Page 47: Maintenance And Cleaning

    MAINTENANCE AND CLEANING 4 MAINTENANCE AND CLEANING ƒ Remove the siphon connecting pipe from the conden- sate drain fitting of the heat exchanger and connect a Regular maintenance is an obligation required by the temporary collecting pipe. At this point proceed with law and is essential to the safety, efficiency and dura- the heat exchanger cleaning operations.
  • Page 48 MAINTENANCE AND CLEANING CONDEXA 35-45 HPR Ionisation electrode The detector electrode play an important role in the boiler ignition phase and maintaining an efficient com- bustion; in this regard it is necessary to check its in- tegrity and ensure that it is correctly positioned, strictly respecting the reference position indicated in the figure.

  • Page 49: Disassembling The Internal Components

    MAINTENANCE AND CLEANING CONDEXA 55-70 HPR To access the check valve: ƒ remove the fan by unscrewing the 4 screws (D) fixing it Replacing the burner insulating panel to the conveyor ƒ Remove the burner insulating panel (A) by inserting a ƒ...
  • Page 50 MAINTENANCE AND CLEANING Disassembling the heat exchanger CONDEXA 55-70 HPR CONDEXA 35-45 HPR ƒ Remove the components as described in the chapter “REMOVING THE COMBUSTION UNIT”. ƒ Disconnect the power supply by placing the main swi- tch of the system on “off”. ƒ...
  • Page 51 MAINTENANCE AND CLEANING ƒ Take out the upper train. 2 screws (B). ƒ Take out the circulator (N). ƒ Loosen the nut and rotate the gas train (C). ƒ Loosen the 4 screws (O) that hold the heat exchanger ƒ Loosen the 4 screws (D) and take out the combustion in place.
  • Page 52 RIELLO S.p.A. Via Ing. Pilade Riello, 7 37045 - Legnago (VR) www.riello.it The manufacturer strives to continuously improve all products. Appearance, dimensions, technical specifications, standard equipment and accessories are therefore liable to modification without notice.

This manual is also suitable for:

Condexa hpr 45Condexa hpr 55Condexa hpr 70201900642019006620190067 ... Show all

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