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CONDEXA HPR INSTRUCTIONS FOR THE INSTALLER AND FOR THE TECHNICAL ASSISTANCE CENTRE...
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For a complete list of accessories and information re- Thanks again and all the best for your work. garding how they can be combined, see the Catalogue. Riello S.p.A. The following symbols are used in some parts of this CONFORMITY booklet: Section destined for user also.
GENERAL REMARKS GENERAL REMARKS 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...
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) Condensing boiler WARNING: it is impossible to create modular gener-...
GENERAL REMARKS Structure 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 Detection electrode 10 Burner Flue gas analysis outlet 12 Flue gas exhaust 13 Flue gas probe...
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.
GENERAL REMARKS 1.11 Water circuit Probes in the boiler Safety thermostat NTC delivery probe Flue gas probe NTC return line probe Resistive values of the NTC probes with variations in the temperature Temperature °C Temperature °C Resistance Ω Resistance Ω Tolerance test ±10% Tolerance test ±10% RI Heating return line...
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...
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...
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GENERAL REMARKS Personali- Parame- Scrolling message Password Value set Menu Value ters only if parameter P1.05 = 1 level in the factory values P4.22 MAN AUTO MAIN ZONE DO NOT MODIFY P4.23 ZONE1 ENABLE 0 / 1 INSTALLER P4.24 ZONE1 BE16 ADDRESS 1 - 6 INSTALLER P4.25...
GENERAL REMARKS Winter - Summer function 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. DESCRIPTION PARAMETER P 1.01 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 P1.02 To set TIME and DATE P1.03...
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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...
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 ==>...
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- the boiler works only in HEATING ONLY mode. stem from 2 to 4 boilers.
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, packaged substances in the room where the boiler is in- and protected with cardboard.
INSTALLATION If the machine is left without power for long periods in areas where temperatures may fall below 0°C, and you do not want to drain the heating system, you are advised to add a good quality anti-freeze liquid to the primary circuit to protect the machine from any risk of freezing Carefully follow the manufacturer’s instructions with re- gards not only the percentage of anti-freeze liquid to be...
INSTALLATION Installation on appliances that are old or 2.8 Assembling the boiler that need to be updated The Condexa HPR thermal modules are supplied When the thermal units are installed on old systems or with a bracket for wall-mounting. those requiring modernisation, check that: ...
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INSTALLATION Ø 3/4” 35Nm TIGHTENING TORQUE Ø 1/2” 25Nm Before connecting the boiler, the protection plugs must removed from the delivery, return and con- densate discharge pipes. Before connecting the boiler, the system must be cleaned. This step is vital when a replacement is being made on a pre-existing system.
INSTALLATION Schematic hydraulic systems Layout 1: circuit with boiler directly connected to heating system (check that the pump discharge head is suffi- cient to ensure adequate circulation) Components NOT managed directly by the boiler 10 9 1 Layout 2: circuit with boiler directly connected to heating system and DHW tank (check that the pump discharge head is sufficient to ensure adequate circulation) Components NOT managed directly by the boiler...
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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...
INSTALLATION Layout 5: circuit with boiler connected to heating system and DHW tank via separator Components NOT managed directly by the boiler 1 10 9 1 10 9 1 The domestic hot water and central heating circuits Disconnector valve must be completed with expansion vessels of ade- Non-return valve quate capacity and suitable, correctly-sized safety Anti-burn mixer valve...
INSTALLATION The gas meter flow rate is capable of ensuring the The supply cable is not supplied as standard. The simultaneous use of all the appliances connected connection to the mains supply must be made us- to it. The appliance connection to the gas supply ing FROR 3G1.5 type cables (standardised by CEI 20- line must be made in accordance with the current 27) or the equivalent.
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INSTALLATION (- A B +) Bus 485 Room thermostat 230 V (voltage-free contact) Open therm Outdoor temperature sensor Storage tank probe Storage tank thermostat make the electrical connections using the required connector, as indicated in the detailed drawing after making the connections, insert the connector in its counterpart.
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Modbus 1 connector V Lv PWM signal for fan command Pressure transducer Connection for hydraulic 3-way valve (available upon re- Return probe quest from the Riello price list catalogue) Flow probe Remote alarm (accessory) Safety thermostat Zone valve or additional pump (accessory)
INSTALLATION 2.13 Flue gas exhaust and combustion air suction To prevent contamination of the thermal module, do not install suction line air intakes and flue gas To evacuate the combustion products, refer to UNI 7129- discharge pipes near: 7131. Always comply with the local regulations of the fire −...
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INSTALLATION TYPE “B” INSTALLATION Discharge Ø 80 mm B23P-B53P 60-100 80-80 80-125 Ø Ø Ø Pressure loss Maximum Model length bend 45° bend 90° Ø 80 mm Condexa HPR 35 48 m 1,5 m Condexa HPR 45 33 m 1,5 m With type B installation, the combustion air is taken from the room and delivered via the openings made on the rear panel of the appliance, which must be located...
INSTALLATION The use of a longer pipe causes a loss of output of the boiler. The exhaust pipes can face in the direction most suit- ed to the installation requirements. As envisaged by current legislation, the boiler is de- RESET MENU signed to take in and dispose of flue gas condensate and/or rainwater condensate deriving from the flue...
COMMISSIONING 3 COMMISSIONING Programming the boiler Preliminary checks Turn the main system switch ON. 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.
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.
COMMISSIONING The OPENING OF THE CONTACT does not produce a switch- The venting cycle can be interrupted by pressing and off, but a reduction (parallel translation) of the climatic holding button 2 (the RESET icon lights up on the dis- curve on NIGHT level (16°C).
COMMISSIONING Adjusting the domestic hot water Bring the boiler to OFF by pressing button 1 until cen- temperature tral segments appear on the display. CASE A: heating-only, with no storage tank - adjustment not applicable CASE B: heating-only + external storage tank with ther- mostat - adjustment not applicable CASE C: heating-only + external storage tank with probe - to adjust the temperature of the DHW...
COMMISSIONING 3.12 Screed heater function 3.14 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- ...
COMMISSIONING To carry out the combustion analysis, proceed as follows: METHANE GAS LIQUID GAS Turn the boiler OFF by pressing button 1 Max. CO (G20) (G31) 10,0 10,0 Set the minimum value, then confirm by pressing . The display will show the defined rpm for 10 sec, along with the rpm icon.
COMMISSIONING 3.20 Gas conversion P3.06 minimum fan speed It is easy to make the conversion from one gas to another P3.07 maximum fan speed even after the boiler has been installed. This operation P3.08 slow ignition must be carried out by professionally qualified personnel. P3.09 maximum fan speed - heating The boiler is designed to operate with methane gas (G20)
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COMMISSIONING Reset function Then press RESET. To reset boiler operation in the event of a fault, press the RESET button. At this point, if the correct operating conditions have been restored, the boiler will restart au- tomatically. Up to 5 consecutive reset attempts can be made on the interface, after which the display will show code E099.
COMMISSIONING 3.22 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.
COMMISSIONING 3.24 Switching off for lengthy periods If the boiler is not used for a long time, the following operations must be carried out: set the status of the boiler to Set the system's main switch to "off" ...
MAINTENANCE AND CLEANING 4 MAINTENANCE AND CLEANING 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.
MAINTENANCE AND CLEANING CONDEXA CONDEXA 35-45 HPR 55-70 HPR Cleaning the drain-trap − Disconnect the pipes (A) and (B), take out the clip (C) and remove the drain-trap. − Loosen the lower and upper plugs, then take out the float. −...
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MAINTENANCE AND CLEANING Loosen the nut of the gas train (B). Disassembling the burner Switch off the electricity supply by turning the main Take out and rotate the gas train. system switch OFF. Remove the 4 nuts (C) that hold the combustion unit. ...
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MAINTENANCE AND CLEANING Disassembling the heat exchanger Disassembling the circulator Disconnect the power supply by placing the main swi- Remove the components as described in the chapter tch of the system on “off”. “REMOVING THE COMBUSTION UNIT”. Empty the system. ...
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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.