Riello Condexa Pro3 Series Installation Instructions Manual
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Riello Condexa Pro3 Series Installation Instructions Manual

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Condexa Pro3 230-345-460 IN-EXT
EN INSTALLATION INSTRUCTIONS

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  • Page 1 Condexa Pro3 230-345-460 IN-EXT EN INSTALLATION INSTRUCTIONS...

  • Page 2: Table Of Contents

    RANGE CONTENTS 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 MODEL CODE 2 WARNINGS .

  • Page 3: General Information

    GENERAL INFORMATION GENERAL INFORMATION The appliance in its original packing may be exposed to temperatures between 4°C and 40°C. Do not expose the Dear Customer, appliance to bad weather conditions after it has been un- congratulations on your choice and thank you for placing your packed, anyhow to temperatures below 4°C or above 40°C confidence in our products.

  • Page 4: Technical Features

    TECHNICAL FEATURES 3 TECHNICAL FEATURES It is forbidden to use electrical devices or equipment, such as switches, appliances, etc. if there is a smell of gas or un- burnt products. If so: 3.1 Main features − ventilate the room, opening doors and windows; −...

  • Page 5: Advantages

    TECHNICAL FEATURES 3.2 Advantages The combustion system includes: − gas electro valve in B+C class for each thermal element, − Totally pre-mixed micro-flame jet burner; with gas flux pneumatic compensation according to the − condensing stainless steel exchanger, with efficiency up inlet air flow ( air/gas 1:1 ratio);...
  • Page 6 TECHNICAL FEATURES EXHAUST FLUE DUCT COMBUSTIBLE SYSTEM INLET SYSTEM OUTLET CONDENSATE OUTLET Figure 2 Heat exchanger Gas manifold Burner 12 Gas pipe Pump (or 2-way valve) 13 Condensate drain manifold Smoke-exhaust flue non-return valve 14 Condensate drainpipe 15 Flue Manifold Venturi tubes 16 Exhaust flue duct Gas valve...
  • Page 7 TECHNICAL FEATURES SYSTEM COMPONENTS Figure 4 Frame 14 Automatic vent valve Control panel 15 Safety thermostat Exchanger 16 Gas cock Air inlet pipe 17 Venturi tubes 18 Flow probe Return detection tap 19 Exhaust flue duct Pump (or 2-way valve) 20 Gas manifold Unit Switch 21 Water flow manifold...

  • Page 8: Installation

    INSTALLATION 4 INSTALLATION − Efficiency according to 92/42/EEC Directive (η) − Max pressure and temperature (Pms) − Primary system (T) − NOx class (NOx) Condexa Pro3 IN-EXT heating units must be installed in conformity to the latest provisions of the law and standards in force concerning heating units, condensing boilers and/ or other applicable regulatory provisions.

  • Page 9: Water Connections

    INSTALLATION 4.3 Water connections If the old generator is not present or available, use a pump to circulate the water + additive through the system for about 10 Condexa Pro3 IN-EXT thermal modules are made up of 2, 3 or 4 days and perform a final washing as described in the previous thermal elements which are common to all the boilers belong- paragraph.

  • Page 10: Condensate Outlet

    INSTALLATION 4.6 Condensate outlet 4.7 Water circuit The condensate water produced by Condexa Pro3 IN-EXT a nor- WORKING PRESSURE mal running conditions is evacuated into a special manifold. The maximum working pressure of the boiler is 6 bar (600 kPa) whilst the minimum is 0.5 bar (50 kPa).

  • Page 11: Installation Diagrams

    INSTALLATION DIAGRAMS If you decide to bring together in one manifold the discharges of each unit, the diameter of the pipe to be used for one or two units Condexa Pro3 IN-EXT series connected in series is Ø200 mm (see Figure 8). For cascade installations where there are more than two machines the diameter of the exhaust manifold must be properly sizing, or simply connect up to two Condexa Pro3 IN-EXT using multiple lines Ø200 separated.

  • Page 12: Electrical System

    ELECTRICAL SYSTEM 6 ELECTRICAL SYSTEM Always refer to the data given in the diagrams in this handbook for operations of an electrical nature. Remember that is not to be held liable for any damages 6.1 Power supply caused by ignoring the information given in the wiring diagrams of this manual.

  • Page 13: Master Board Connection

    ELECTRICAL SYSTEM 6.2.2 Master board connection Follow the instructions reported on the previous paragraph in order to connect the Master Board independently to the elec- tricity network. The Master Board needs to be connected to the related equipment (or to the equipment battery) by means of a special Bus connection with bi-polar cable (cable not supplied).

  • Page 14: Connection To Thermoregulators

    ELECTRICAL SYSTEM 6.2.3 Connection to thermoregulators For example, by connecting the low temperature circulator to a timer and/or external room thermostat the electrical installation Condexa Pro3 IN-EXT heating units are equipped with an ex- will be the one shown in Figure 18. By this system is possible to tremely versatile control and operating system, able to operate power on circulators (external devices) directly from the network three independent systems functioning at different tempera-...
  • Page 15 ELECTRICAL SYSTEM Initials Jumper N. Description J11 (1-2) Flow temp. probe (HT) J11 (3-4) Water tank temp. Probe J11 (5-6) Flow temp. probe (LT) J11 (7-8) External temp. Probe J12 (9-10) Room thermostat (HT) J12 (11-12) Room thermostat (LT) J12 (13-14) 0-10V analogic device J12 (15-17) Remote control...

  • Page 16: Frost Protection

    ELECTRICAL SYSTEM 6.2.7 Frost protection Qualified personnel only may work on the electrical system and in compliance to provisions of the law, with particular The heating unit electronic control includes a frost protection attention to rules on safety. function. When the flow temperature sinks to below a mini- The following procedure must be adopted to enable the “Emer- mum value, the burners start working at minimum power ac- gency”...

  • Page 17: Cascade Installation

    ELECTRICAL SYSTEM Figure 22 Figure 21 6.5 Position of the flow probe 6.4 Cascade installation Each unit upper water manifold is equipped with two pock- ets where the temperature probe has to be inserted. The latter probe continuously checks the flow temperature of the heating 6.4.1 Connection to mains circuit.

  • Page 18: First Operating

    FIRST OPERATING 7 FIRST OPERATING JUMPER J10 SLAVE ADDRESS To complete the start-up of the boiler, the following operations are necessary, that should only be performed by an authorized Service − verification of the installation; − slave board setting − combustion analysis. 7.1 Slave board setting Following table shows the possible combinations of the jumpers (J17) we have the settings for the maximum (15) number of block.

  • Page 19: Gas Valve Calibration

    FIRST OPERATING Figure 25 7.2 Gas valve calibration Gas valve calibration jobs must be done by the Technical As- sistance Service authorized by only. The procedure for calibrating the gas valve is given here below: − place the exhaust flue probe of the combustion analyzer into the socket on the clapet;...

  • Page 20: Use And Adjustment

    USE AND ADJUSTMENT 8 USE AND ADJUSTMENT The control panel was designed to enable the user to enter the various user modes; each one of these has a set of correspond- ing functions, activated by pressing a button or combination of 8.1 Control panel: description two buttons pressed together.

  • Page 21: Display Mode

    USE AND ADJUSTMENT 8.2 Display mode The red (error) LED turns on in the case of faults that involve the permanent block of a heating element (normal operation can be reset by pressing the Master or Slave reset button). The green (on) LED indicates the presence of the electric power supply. The 3 digits with seven segments display the system statuses: SYSTEM STATUS DISPLAY...

  • Page 22: Changing The User Parameters

    USE AND ADJUSTMENT 8.4 Changing the user parameters Pressing displays the following values in succession: − manifold delivery temperature T1 − DHW temperature T3 − low temperature circuit delivery temperature T6. To change the relative setpoints: − press the “Set/esc” button: the relative value will appear, the two digits on the right will flash −...

  • Page 23: Installer Programming Mode

    USE AND ADJUSTMENT The following values for each single unit can be visualized with POS. DIMENSIONS DISPLAY Flow temperature (e.g. 70° C) Return temperature (e.g. 50° C) Exhaust flue temperature (e.g. 60° C) Ionization current (index from 0 to 99). E.g.

  • Page 24: Test Mode

    USE AND ADJUSTMENT 8.7 Test mode In test mode it is possible to generate a high temperature heating demand at maximum power and at minimum power. All system fans must be activated. If the installer turns off the switch for some Slaves, the others, connected to the Master, must continue to operate.

  • Page 25: Setting Functioning Parameters

    SETTING FUNCTIONING PARAMETERS 9 SETTING FUNCTIONING PARAMETERS The heating functions can be set for the high temperature, low temperature and DHW circuits based on the system requirements by setting the functional parameters. The first three parameters can be accessed on the user level. The next three require a password (“22”, see the "INSTALLER PROGRAM- MING mode"...

  • Page 26: Setting The Dhw Parameters

    SETTING FUNCTIONING PARAMETERS Setpoint_T_CH_Low Low temperature circuit setpoint (parameter 3) If the "fixed point" operating mode is set (par. 22=CH_type_low=0), it is the target temperature. If the "climatic control" operating mode is set (par. 22=1) , it is the maximum target temperature with minimum outdoor tempera- ture (T_out_min=par.

  • Page 27: Heat Control Setting

    SETTING FUNCTIONING PARAMETERS DHW_Priority With the high temperature circuit attenuation parameter, Par. DHW priority (parameter 9) 21≠0, the high temperature thermostat contact is ignored and a heat demand is present for the high temperature circuit when: 0 = Shifting priority A Manifold temperature <=Setpoint –...
  • Page 28 SETTING FUNCTIONING PARAMETERS The burner is on when: Summer Mode Manifold temperature <=Setpoint – ignition hysteresis. Summer function (parameter 38.) Ignition hysteresis can be set, CH_Low_hyst_on = Par. 26, preset The Summer Mode function is used to deactivate requests re- to 5°C, can be set between 0 and 20°C.
  • Page 29 SETTING FUNCTIONING PARAMETERS System power modulation is controlled by a PID regulator, which Low load controls the manifold temperature and the setpoint is that of the The low load function prevents burner ignition and shut off in active circuit (high or low temperature circuit setpoint or DHW the case of a low heat demand.
  • Page 30 SETTING FUNCTIONING PARAMETERS The burner ignited when: − Delivery temp. ≤ Setpoint_ch_high (Par.1) – Ch_high_hist_ on (Par.19) − (Delivery temp. ≤ Setpoint_ch_low (Par.3) – Ch_low_hist_ on (Par.26)) The burner shuts off when: − Delivery temp. > Setpoint_ch_high (Par.1) + Ch_high_hist_ off (Par.20) −...
  • Page 31 SETTING FUNCTIONING PARAMETERS Mix delivery temperature (°C) default Par. 31 = 10 Fig. 34 Safety functions of the Slave cards If the delivery temperature > 90°C for 5s, the slave card is blocked (no. 46). If the return temperature > 80°C for 5s, the slave card is blocked (no.

  • Page 32: List Of Parameters

    LIST OF PARAMETERS 10 LIST OF PARAMETERS The list of parameters for Condexa Pro3 IN-EXT is given here below. The user may only alter the first three parameters, whilst the Technical Assistance Service must be called in for the others. User parameters Factory set- Parameter name...
  • Page 33 LIST OF PARAMETERS Factory set- Parameter name Lower limit Upper limit Description ting CH1 max. Temp. 80°C 10°C 80°C Max. settable value for high system CH1 min. Temp. 50°C 10°C Par.1 Min temp. value high system (at max. external T.). Burner re-ignites after said differential.

  • Page 34: Error List

    ERROR LIST 11 ERROR LIST A and E type errors possibly encountered with Condexa Pro3 IN-EXT are given in the tables below. In this sense it should be specified that an E-type error (volatile error) is a fault which automatically disappears as soon as the fault is resolved;...
  • Page 35 ERROR LIST No. on the PC Cause Troubleshooting Internal error Replace the Slave card. Internal software error Press the rest button. Internal error Replace the Slave card. The limit thermostat contact is open with Connector disconnected or defective. the burner off Limit thermostat defective.

  • Page 36: Wiring Diagrams

    WIRING DIAGRAMS 12 WIRING DIAGRAMS...
  • Page 37 WIRING DIAGRAMS Valvola 2 vie / Circolatore...

  • Page 38: Technical Specifications

    TECHNICAL SPECIFICATIONS 13 TECHNICAL SPECIFICATIONS Detail 230 IN-EXT 345 IN-EXT 460 IN-EXT Certifications Boiler typology B23, B53, B53p, C13, C33, C53, C63 CE Certification Nr. 0085CL0333 Number of heat exchangers 2 (x128 kW) 3 (x128 kW) 4 (x128 kW) Overall dimensions and Connections Height x Width x Depth 1550x900x750 1550x1700x750...
  • Page 39 TECHNICAL SPECIFICATIONS Detail 230 IN-EXT 345 IN-EXT 460 IN-EXT Maximum rated heat input Minimum rated heat input 25,6 25,6 25,6 Domestic hot water maximum rated thermal input (80-60) Domestic hot water minimum rated thermal input (80-60) PARAMETER Seasonal heating energy efficiency class Water heating energy efficiency class Rated input Prated...

  • Page 40: Water In Central Heating Systems

    WATER IN CENTRAL HEATING SYSTEMS 14 WATER IN CENTRAL HEATING SYSTEMS General note on water used to top up systems: − If softened water is used to top up a system, 8 weeks of INTRODUCTION functioning after topping up, verify that the water in the system respects the above limits, in particular for electri- Water used in central heating systems MUST be suitably treated cal conductivity.
  • Page 41 WATER IN CENTRAL HEATING SYSTEMS 3.2 Stray current corrosion Corrosion from stray currents can occur due to the differing elec- trical potentials between water in the boiler and the metallic mass of the boiler or piping. This process leaves unmistakeable traces i.e.
  • Page 42 WATER IN CENTRAL HEATING SYSTEMS...
  • Page 43 WATER IN CENTRAL HEATING SYSTEMS...
  • Page 44 RIELLO S.p.A. 37045 Legnago (VR) - Italy Tel. 0442630111 - Fax 044222378 - 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 pro3 230 in v02Condexa pro3 345 in v02Condexa pro3 230 ext v02Condexa pro3 460 ext v02Condexa pro3 460 in v02Condexa pro3 345 in c a ... Show all

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