Riello Condexa PRO Series Installation, Technical And Maintenance Manual
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Riello Condexa PRO Series Installation, Technical And Maintenance Manual

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Condexa PRO SYSTEM
EN INSTALLATION, TECHNICAL ASSISTANCE SERVICE AND SYSTEM MANAGEMENT MANUAL

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  • Page 1 Condexa PRO SYSTEM EN INSTALLATION, TECHNICAL ASSISTANCE SERVICE AND SYSTEM MANAGEMENT MANUAL...

  • Page 2: Table Of Contents

    CONTENTS 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Block diagram 3 .

  • Page 3: General Information

    GENERAL INFORMATION GENERAL INFORMATION General Safety Information This instruction booklet is an integral part of the instruc- tion manual of the single appliance Condexa PRO, to which you are referred for the GENERAL WARNINGS and for the BASIC SAFETY RULES The instructions provided for the cascade accessories are an integral part of this manual.

  • Page 4: System Layout

    GENERAL INFORMATION System layout 1.3.1 In line lay-out (FRONT) with 2 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 1494 1494 1494 1494 1494 1494 1494 1494 2131 2131 2131 2131 2131 2131 2301 2301 2051 2051 2051 2051...

  • Page 5: In Line Lay-Out (Front) With 3 Modules

    GENERAL INFORMATION 1.3.2 In line lay-out (FRONT) with 3 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 2242 2242 2242 2242 2242 2242 2242 2242 2161 2161 2161 2161 2161 2161 2240 2240 2051 2051 2051 2051 2051 2051...

  • Page 6: In Line Lay-Out (Front) With 4 Modules

    GENERAL INFORMATION 1.3.3 In line lay-out (FRONT) with 4 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 2988 2988 2988 2988 2988 2988 2988 2988 5” N.A. N.A. N.A. N.A. N.A. N.A. 2988 2988 3” 5”...

  • Page 7: In Line Lay-Out (Front) With 5 Modules

    GENERAL INFORMATION 1.3.4 In line lay-out (FRONT) with 5 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 3736 3736 3736 3736 3736 3736 N.A. N.A. 5” N.A. N.A. N.A. N.A. N.A. N.A. 3736 3736 3” 5”...

  • Page 8: In Line Lay-Out (Front) With 6 Modules

    GENERAL INFORMATION 1.3.5 In line lay-out (FRONT) with 6 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 4484 4484 4484 4484 N.A. N.A. N.A. N.A. 5” N.A. N.A. N.A. N.A. 4484 4484 4484 4484 3” 5”...

  • Page 9: In Line Lay-Out (Front) With 7 Modules

    GENERAL INFORMATION 1.3.6 In line lay-out (FRONT) with 7 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 5230 5230 5230 5230 N.A. N.A. N.A. N.A. 5” N.A. N.A. N.A. N.A. 5230 5230 5230 5230 3” 5”...

  • Page 10: In Line Lay-Out (Front) With 8 Modules

    GENERAL INFORMATION 1.3.7 In line lay-out (FRONT) with 8 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 5978 5978 5978 5978 5978 5978 5978 5978 1159 1159 1159 1159 1159 1159 1159 1159 2346 2346 2346 2346 2346 2346...

  • Page 11: In Line Lay-Out (Front) With 9 Modules

    GENERAL INFORMATION 1.3.8 In line lay-out (FRONT) with 9 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 6726 6726 6726 6726 6726 6726 6726 N.A. 1159 1159 1159 1159 1159 1159 1159 N.A. 2376 2376 2376 2376 2376 2376...

  • Page 12: In Line Lay-Out (Front) With 10 Modules

    GENERAL INFORMATION 1.3.9 In line lay-out (FRONT) with 10 modules Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 7472 7472 7472 7472 7472 7472 7472 N.A. 1159 1159 1159 1159 1159 1159 1159 N.A. 2405 2405 2405 2405 2405 2405...

  • Page 13: B2B (Back To Back) Layout With 2 Modules

    GENERAL INFORMATION 1.3.10 B2B (BACK TO BACK) layout with 2 modules back Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 2131 2131 2131 2131 2131 2131 2301 2301 2051 2051 2051 2051 2051 2051 2221 2221 1010 1010 1010 1010...

  • Page 14: B2B (Back To Back) Layout With 3 And 4 Modules

    GENERAL INFORMATION 1.3.11 B2B (BACK TO BACK) layout with 3 and 4 modules back back Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3 modules 3” 1494 1494 1494 1494 1494 1494 1494 1494 3” 1494 1494 1494 1494 1494...

  • Page 15: B2B (Back To Back) Layout With 5 And 6 Modules

    GENERAL INFORMATION 1.3.12 B2B (BACK TO BACK) layout with 5 and 6 modules back back back Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 2242 2242 2242 2242 2242 2242 N.A. N.A. 5 modules 5” N.A. N.A.

  • Page 16: B2B (Back To Back) Layout With 7 And 8 Modules

    GENERAL INFORMATION 1.3.13 B2B (BACK TO BACK) layout with 7 and 8 modules back back back back Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 3” 2988 2988 2988 2988 N.A. N.A. N.A. N.A. 7 modules 5” N.A.

  • Page 17: B2B (Back To Back) Layout With 9 And 10 Modules

    GENERAL INFORMATION 1.3.14 B2B (BACK TO BACK) layout with 9 and 10 modules back back back back back Condexa PRO DESCRIPTION 35 P 50 P 57 P 70 P 7472 7472 7472 7472 7472 7472 7472 N.A. 1159 1159 1159 1159 1159 1159...

  • Page 18: Installation Premises

    GENERAL INFORMATION Installation premises The thermal module must be installed in premises used exclusively for the latter conforming to standards and legislation in force and where combustion exhaust products and combustion air intake is conveyed out of said premises. Where combustion air is instead taken from the installation premises then the latter must be equipped with suitably sized vents conforming to standards.

  • Page 19: Air Vent

    GENERAL INFORMATION Air vent The rooms must be equipped with one or more permanent air vents positioned on external walls, ensuring that the all regulations established in the country of installation are complied with. For Italy: The air vents must not have a surface area less than the minimum value indicated in the table (expressed in cm Rooms above the ground Condexa PRO Model...

  • Page 20: Installation

    INSTALLATION 2 INSTALLATION Preliminary installation measures 2 modules 3 modules To correctly install the modules, the installer must take into consideration a series of tolerances on the installation distances as established during the design stage. In particular: the plates for securing the frames have slots and must only be secured after having fitted the manifolds. if making connections between manifolds, tighten the flange to ensure that the seal adheres and reduce the clearance on the total length of the manifolds.

  • Page 21: Assembly Of The Frames

    INSTALLATION Assembly of the FRAMES Assembly of the cascade frame in-line. Components included in code 20131663 Position of bracket For mod. Component with ≥ 115kW threaded insert on both sides For mod. < 115kW Component without threaded inserts Large hole at the front Component without threaded inserts See not...
  • Page 22 INSTALLATION Assembly of the cascade frame B2B - BACK TO BACK. Components included in code 20131664 Follow the installation stages indicated. Introduce but do not tighten the screws so any necessary adjustments can be still be made. Once installation of the entire frame has been completed, only then can the screws be fully tightened.
  • Page 23 INSTALLATION Fastening the frames to each other. Cascade installation in-line Cascade installation B2B NOTE: For the front configuration, the frame can also be wall mount- Proceed as follows: − trace the fastening points − drill a hole and insert suitable dowels (not supplied); −...
  • Page 24 INSTALLATION Adjusting the feet. Level (*) check the measurements on the table of the dimensions present in the paragraph "System layout".
  • Page 25 INSTALLATION Moving and removing the packing Do not remove the cardboard used for packaging the appliance until it has reached the place of installation. Before carrying out any transport operations or removing the packaging, ensure you are wearing suitable PPE and use tools and means which are appropriate for the dimensions and weight of the appliance.
  • Page 26 INSTALLATION Fitting the thermal module support bracket The bracket is supplied together with the thermal module. Cascade installation B2B Cascade installation in-line...
  • Page 27 INSTALLATION Fitting the thermal module onto the frame Working together with other people, lift the thermal module. Correctly position the module on the bracket which was previously fitted onto the frame.
  • Page 28 INSTALLATION Removing the front panels Remove the lock screw (A) and pull the front panel outwards. Push the front panel upwards to release it from the points (B).

  • Page 29: Positioning The Condensate Pipes

    INSTALLATION Positioning the CONDENSATE PIPES Installation of the condensate outlet pipe. Components included in code 20130222 - 20130223 The figure refers to an installation with 2 modules in line or 3/4 modules B2B. Position the seal on the side of the condensate outlet. Position the plug on the opposite side of the condensate outlet.

  • Page 30: Positioning The 3" Manifolds

    INSTALLATION Positioning the 3" MANIFOLDS Assembly of the gas, delivery and return manifolds. Components included in code 20133220 - 20130220 - 20130221 The figure refers to an installation with 2 modules in line or 3/4 modules B2B. Secure the left support bracket. Secure the right support bracket.
  • Page 31 INSTALLATION Secure the left support bracket. Secure the right support bracket. Position the DELIVERY manifold. Upper SYSTEM DELIVERY manifold identified by the presence of the sensor socket...
  • Page 32 INSTALLATION Position the GAS manifold. Secure the GAS manifold to the frame.
  • Page 33 INSTALLATION Position the manifold closing plugs from the required side. 51mm 22mm...

  • Page 34: Positioning The 5" Manifolds

    INSTALLATION Positioning the 5" MANIFOLDS Assembly of the gas, delivery and return manifolds. Components included in code 20130222 - 20130223 The figure refers to an installation with 2 modules in line or 3/4 modules B2B. Secure the left support bracket. Secure the right support bracket.
  • Page 35 INSTALLATION Secure the left support bracket. Secure the right support bracket. Position the DELIVERY manifold. Upper SYSTEM DELIVERY manifold identified by the presence of the sensor socket...
  • Page 36 INSTALLATION Position the GAS manifold. Secure the GAS manifold to the frame.
  • Page 37 INSTALLATION Position the manifold closing plugs from the required side. 51mm 22mm...

  • Page 38: Positioning The Condensate Outlet

    INSTALLATION Positioning the CONDENSATE OUTLET Assembly of the condensate outlet. Components included in code 20131267 The figure refers to an installation with 2 modules in line or 3/4 modules B2B. Make a siphon using the outlet pipe and secure it using cable ties (not supplied). Connect the pipes to the other thermal modules working in the same way as described for the first.

  • Page 39: Positioning The Gas Pipes

    INSTALLATION Positioning the GAS PIPES CASCADE CONFIGURATION IN-LINE Assembly of the gas pipes. Components included in code 20130658 – 20131121 – 20131122 – 20131123 – 20131124 - 20131125. Install and seal the gas pipe to the thermal module. Install and seal the cock to the pipe and the gas manifold. Fit the plugs onto any unused coupling points ensuring tightness.
  • Page 40 INSTALLATION CASCADE CONFIGURATION B2B (BACK TO BACK) Assembly of the gas pipes. Components included in code 20131787 – 20131788 – 20131789 – 20131790 – 20131791 - 20131792 Positioning the gas pipe.
  • Page 41 INSTALLATION Installing and sealing the gas pipe to the thermal module. Install and seal the cock to the pipe and the gas manifold.

  • Page 42: Positioning The Delivery-Return Pipes

    INSTALLATION 2.8 Positioning the DELIVERY-RETURN PIPES CASCADE CONFIGURATION IN-LINE Assembly of the RETURN pipes. Components included in code 20130658 – 20131121 – 20131122 – 20131123 – 20131124 - 20131125 Install and seal the RETURN unit selected between the thermal module coupling points (A) and (B) the return manifold. Keep the insulation parts to one side and only fit them after testing has been completed.
  • Page 43 INSTALLATION CASCADE CONFIGURATION IN-LINE Assembly of the DELIVERY pipes. Components included in code 20130658 – 20131121 – 20131122 – 20131123 – 20131124 - 20131125 Install and seal the DELIVERY unit selected between the thermal module coupling points (C) and (D) the return manifold. Keep the insulation parts to one side and only fit them after testing has been completed.
  • Page 44 INSTALLATION CASCADE CONFIGURATION B2B (BACK TO BACK) Assembly of the RETURN pipes. Components included in code 20131787 – 20131788 – 20131789 – 20131790 – 20131791 - 20131792 Install and seal the RETURN unit selected between the thermal module coupling points (E) and (F) the return manifold. Keep the insulation parts to one side and only fit them after testing has been completed.
  • Page 45 INSTALLATION CASCADE CONFIGURATION B2B (BACK TO BACK) Assembly of the DELIVERY pipes. Components included in code 20131787 – 20131788 – 20131789 – 20131790 – 20131791 - 20131792 Install and seal the DELIVERY unit selected between the thermal module coupling points (G) and (H) the return manifold. Keep the insulation parts to one side and only fit them after testing has been completed.

  • Page 46: Positioning The Safety Section And Separator

    INSTALLATION Positioning the SAFETY SECTION AND SEPARATOR Assembly of the safety separator and separator. Components included in code 20070910 - 20070912 - 20132873 - 20070699 - 20070701 - 20070702 - 20132874 - 20070703 - 20070704 - 20070705 - 20071190 - 20023104 - 20023106 - 20009486 - 20009482 - 20009483 - 20061640 Install and seal the selected return unit at the return manifold.
  • Page 47 INSTALLATION CASCADE CONFIGURATION IN-LINE Assembly of the FLUE SYSTEM DN 160 - DN 200 - DN 250. Components included in code 20131266 - cod. 20132381 - cod. 20131218 Carefully cut the bends following the measurements indicated. This allows the flue gas outlet duct to slope by at least 3° 3°...
  • Page 48 INSTALLATION Pre-assemble the flue gas outlet duct on the ground. Moisten the seals with non-corrosive lubricant (water-based additive with polymers and silicone oil) and make sure that they can be adjusted during the final positioning operations.
  • Page 49 INSTALLATION Position the flue gas outlet manifold above the thermal modules. Check that a slope of at least 3° towards the condensate outlet siphon is guaranteed. Connect the siphon outlet to the condensate drainage system.
  • Page 50 INSTALLATION CASCADE CONFIGURATION B2B (BACK TO BACK) Assembly of the FLUE SYSTEM DN 160 - DN 200 - DN 250. Components included in code 20131266 - cod. 20132381 - cod. 20131218 Carefully cut the bends following the measurements indicated. This allows the flue gas outlet duct to slope by at least 3° back back back...
  • Page 51 INSTALLATION Pre-assemble the flue gas outlet duct on the ground. Moisten the seals with non-corrosive lubricant (water-based additive with polymers and silicone oil) and make sure that they can be adjusted during the final positioning operations. back back back back back...
  • Page 52 INSTALLATION Position the flue gas outlet manifold above the thermal modules. Check that a slope of at least 3° towards the condensate outlet siphon is guaranteed. Connect the siphon outlet to the condensate drainage system. back back back back back...

  • Page 53: Neutralization Of The Condensate

    INSTALLATION 2.10 Neutralization of the condensate Complete the flue gas outlet pipe sizing it appropriately and taking into consideration the data in the table indicated below. To correctly eliminate the combustion condensate, check if the condensate needs to be neutralized using a designated acces- sory.

  • Page 54: Configuration Of The Main Block Diagrams

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3 CONFIGURATION OF THE MAIN BLOCK DIAGRAMS Operation of the primary system can be: − Mode 0 - With fixed setpoint. This configuration requires the connection of an ambient thermostat or heat request contact (TA). The DHW and heating circuits must be completed with ex- −...

  • Page 55: Configuration Of The Secondary System

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS Configuration of the secondary system For the sake of simplicity, the hydraulic circuits downstream of the separator can be identified as the secondary system. Optimal use of the modules in cascade occurs by placing a hy- The basic configuration of the secondary system takes place draulic separator (available as an accessory) between the pri- using a system circulator (PI).
  • Page 56 CONFIGURATION OF THE MAIN BLOCK DIAGRAMS − Zone sensor (S2) This is required to adjust and control an additional direct zone managed by the “Depending” thermal module in combination with the zone circulator (P2). The zone sensor is used to adjust and control an additional mixed zone in combination with the zone circulator (P2) and the mixer valve (V2).

  • Page 57: Block Diagram 1

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS Block diagram 1 Circuit with thermal modules with their own circulator, connected in cascade. DEPENDING DEPENDING MANAGING Thermal module circulator Primary sensor Storage cylinder circulator Mixer valve zone 2 DHW circulation pump Mixer valve zone 3 System circulator (high temperature zone) Electronic device for zone management (accessory) Zone 2 circulator (low temperature)

  • Page 58: Sensor Connections Block Diagram 1

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3.3.3 Bus connections Block diagram 1 ACCESSORY CONNECTIONS FOR ADDITIONAL ZONE See the section “System management” for a detailed descrip- MIX VALVE PUMP tion of the connections between the modules. SAFETY ROOM FLOW THERMOSTAT THERMOSTAT SENSOR MANAGING CONNECTIONS...

  • Page 59: System Parameters Block Diagram 1

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS System parameters Block diagram 1 Specific parameters to be configured for the block diagram 1: Managing Depending adjust according to Par.79 See the section "Putting into service and maintenance" for requirements a detailed description on parameter operation adjust according to Par.80 requirements...

  • Page 60: Electrical Power Connections Block Diagram 2

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3.5.1 Electrical power connections Block 3.5.2 Sensor connections Block diagram 2 diagram 2 MANAGING CONNECTIONS MANAGING CONNECTIONS MANAGING MANAGING 10 11 12 13 14 15 16 17 18 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 0-10V TA Modbus BUS 1...

  • Page 61: Bus Connections Block Diagram 2

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3.5.3 Bus connections Block diagram 2 System parameters Block diagram 2 See the section “System management” for a detailed descrip- tion of the connections between the modules. See the section "Putting into service and maintenance" for a detailed description on parameter operation MANAGING CONNECTIONS Essential parameters to be configured for the block diagram 2:...

  • Page 62: Block Diagram 3

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS Block diagram 3 Circuit with thermal modules with their own two-way valve, connected in cascade. Primary system with system circulator. DEPENDING DEPENDING MANAGING System circulator Outdoor sensor Storage cylinder circulator Primary sensor DHW circulation pump Two-way valve (accessory) System circulator (high temperature zone) Mixer valve zone 2...

  • Page 63: Sensor Connections Block Diagram 3

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS ACCESSORY CONNECTIONS FOR ADDITIONAL ZONE ACCESSORY CONNECTIONS FOR ADDITIONAL ZONE MIX VALVE PUMP MIX VALVE PUMP SAFETY ROOM FLOW SAFETY ROOM FLOW THERMOSTAT THERMOSTAT SENSOR THERMOSTAT THERMOSTAT SENSOR 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 S3 Zone 3 sensor P3 Zone 3 circulator (low temperature) (12-13-14)

  • Page 64: System Parameters Block Diagram 3

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS System parameters Block diagram 3 Specific parameters to be configured for the block diagram 3: Managing Depending adjust according to Par.79 See the section "Putting into service and maintenance" for requirements a detailed description on parameter operation adjust according to Par.80 requirements...

  • Page 65: Electrical Power Connections Block Diagram 4

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3.9.1 Electrical power connections Block Some electric connections of the power jig have a double diagram 4 function. The hot water tank circulator PB must be connect- ed to the terminals 106-107 of the thermal module config- MANAGING CONNECTIONS ured as the Managing module.

  • Page 66: Bus Connections Block Diagram 4

    CONFIGURATION OF THE MAIN BLOCK DIAGRAMS 3.9.3 Bus connections Block diagram 4 3.10 System parameters Block diagram 4 See the section “System management” for a detailed descrip- tion of the connections between the modules. See the section "Putting into service and maintenance" for a detailed description on parameter operation MANAGING CONNECTIONS Essential parameters to be configured for the block diagram 4:...

  • Page 67: System Management

    SYSTEM MANAGEMENT 4 SYSTEM MANAGEMENT Thermal Module Setting the Dip-switch Configuration Communication between the thermal 2nd module (Depending) modules Communication between all the modules installed is a funda- 3rd module (Depending) mental aspect in a system with multiple thermal modules. The essential steps for configuration are: −...

  • Page 68: Communication With Mixed Zone Controller

    SYSTEM MANAGEMENT Communication with Mixed Zone Controller Mixed zone terminal board The mixed zone controller connected to the system must be set with a specific number of recognition actions, so that the elec- tronic board of the thermal module recognises which zone is making the heat request.

  • Page 69: Zone Control With Depending Module

    SYSTEM MANAGEMENT 4.3.1 Zone control with Depending module 4.3.2 Deleting dependent zone If used on a cascade system, with heating zone control using To remove a Dependent zone operate in the reverse way to its DEPENDING thermal module, after carrying out the connections installation: as described in the Cascade Manual, the following modifications −...

  • Page 70: Setting Parameters Of The Additional Zone

    SETTING PARAMETERS OF THE ADDITIONAL ZONE 5 SETTING PARAMETERS OF THE ADDITIONAL ZONE Controls interface 255x80 point backlit display (106,4x39,0mm) RESET key: restores normal operations after a safety shut-down MENU key: switches on the main menu ESC key: in menu navigation, it enables you to exit a menu item and go back to the previous 5 ÷...

  • Page 71: Menu Structure

    SETTING PARAMETERS OF THE ADDITIONAL ZONE 5.1.1 Menu structure Level 0 Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Home / Menu Information External Zone Status External Zone 1 - 16 Zone Setpoint ” ”...
  • Page 72 SETTING PARAMETERS OF THE ADDITIONAL ZONE Level 0 Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Dep. Zones Program Comfort 1 - 7 Period Disabled Clock Program 2 - 16 Active Day(s) “ “ “...

  • Page 73: Setting Zone's Climatic Curve Parameters (Accessible Only With Installer Password)

    SETTING PARAMETERS OF THE ADDITIONAL ZONE Setting zone's climatic curve parameters Programming the zone (accessible only with installer password) By default the schedule timer is disabled. Menu → “Settings” → “Zone Clim. Curve” In fact, to start a request from the zone just close the contact of the zone request.

  • Page 74: Scheduling The Time Bands

    SETTING PARAMETERS OF THE ADDITIONAL ZONE The programmable periods for each zone are 7 and they can be Entering in “Programming Period”: selected by changing the number that appears beside “pro- gramming period”. External Zone Period Group “ “ ” ”...

  • Page 75: Commissioning And Maintenance

    COMMISSIONING AND MAINTENANCE 6 COMMISSIONING AND MAINTENANCE Putting the system into service The first time the Condexa PRO is used, the following checks and Repositioning the front panels operations must be carried out: − Check that the gas cock and heating water cock are open Before putting the appliance into service, make sure that all the thermal modules have been reassembled with their own front panel:...

  • Page 76: Electronic Control

    COMMISSIONING AND MAINTENANCE Electronic control For further information on the electronic control, refer to the specific section in the user manual of the individual appliance Condexa PRO. switches on the main menu in menu navigation, it enables you to exit a menu item and go back to the previous one supports selecting menus or parameters or decreasing nu- meric values...

  • Page 77: Parameters Specific To Cascade Systems

    COMMISSIONING AND MAINTENANCE 6.3.1 Parameters specific to cascade systems Parameters are listed base on the reference menu. Reference Menu Access type Parameters Menu End user Cascaded module configuration menu Installer Cascaded boiler configuration menu Manufacturer Appliance configuration menu Nr. dis- Par.
  • Page 78 COMMISSIONING AND MAINTENANCE Nr. dis- Par. Factory Access Menu played Description Range Category setting type Display 0 Disabled 1 Power Defines the cascade operation mode. Min burners 2 Cascade Mode Max burners Max. Defines the maximum decrease in the pri- Setp.
  • Page 79 COMMISSIONING AND MAINTENANCE Nr. dis- Par. Factory Access Menu played Description Range Category setting type Display Post- Defines overrun time in seconds at the Pump 0…255 Sec. Cascade end of the cascade heat demand. Period Defines the temperature (detected by the primary sensor) below which the thermal module circulator and the system circula- tor (with cascade configuration) activate.

  • Page 80: Setting The Main Parameters

    COMMISSIONING AND MAINTENANCE 6.3.2 Setting the main parameters 6.3.6 Par.97 – definition of the system with circulator / system with two-way valve Some parameters are essential in order for the system to operate in cascade and setting these parameters is a determining factor The parameter 97 serves to quickly configure the inputs and for correct system operation.

  • Page 81: Parameter 148: Operating Mode Of The Cascade

    COMMISSIONING AND MAINTENANCE 6.6.2 Par 148 = 1 defines the time (from the start of the request) from which the setpoint modulation is started defines the proportional term for setpoint modulation In this mode the system manages the cascade so that the min- defines the integrative term for setpoint modulation imum number of modules is on.

  • Page 82: Par 148 = 2

    COMMISSIONING AND MAINTENANCE 6.6.3 Par 148 = 2 In this mode the system manages the cascade so that the max- imum number of modules is on. This mode is similar to mode 0 apart from the start-up and shutdown rules. In this case the rules based on the information illustrated by the previous graph are still valid, with the following differences (in any case, always applicable to the "balancing"...
  • Page 83 COMMISSIONING AND MAINTENANCE...
  • Page 84 RIELLO S.p.A. Via Ing. Pilade Riello, 7 37045 - Legnago (VR) www.riello.com 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:

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