Fondital ITACA CH KR Series Installation & Use Manual
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Fondital ITACA CH KR Series Installation & Use Manual

Modular heat generators ,module on frame, indoor installation only
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MODULAR HEAT GENERATORS
INDOOR INSTALLATION ONLY
It is compulsory to read this manual before proceeding with the product installation, use and
maintenance operations.
This system is intended for production of hot technical water only:
• For heating of residential, commercial and industrial rooms.
• For heating of industrial process water.
• For indirect production of domestic hot water.
Any other use is forbidden.
ITACA CH KR
MODULE ON FRAME
INSTALLATION, USE
EN

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  • Page 1 MODULAR HEAT GENERATORS ITACA CH KR MODULE ON FRAME INDOOR INSTALLATION ONLY INSTALLATION, USE It is compulsory to read this manual before proceeding with the product installation, use and maintenance operations. This system is intended for production of hot technical water only: •...
  • Page 2 Dear Sirs, thank You for choosing and buying one of our products. Please read these instructions carefully in order to properly install, operate, and maintain the product. WARNING We inform users that: • Boilers shall be installed by an authorised company under the requirements set forth by the prevailing rules, in full compliance with the prevailing regulations and standards.
  • Page 3 General notes for installing and maintenance technicians, and users This instruction manual is an integral and essential part of the product. It shall be supplied by the installer to the user who shall keep it carefully to consult it whenever necessary. This document shall be supplied together with the equipment in case the latter is sold or transferred to others.
  • Page 4 DANGER Carefully read the instructions relating to air intake and flue gas venting systems in the specific section of this manual. DANGER This boiler must be connected to a gas distribution system which complies with the existing technical standards. Check the gas system state of conservation before installing the boiler. Any connection to a gas system which does not comply with the existing technical standards is forbidden.
  • Page 5 DANGER Before starting the boiler, and each time it is at a standstill for several days, make sure the trap is full of water. If the trap is empty, fill it by pouring water into the boiler through the flue gas venting duct. WARNING The boiler must be serviced periodically as indicated in the relevant section of this manual.

  • Page 6: Table Of Contents

    Load-bearing frame overall dimensions ......................... Warning on modular generator configuration ......................Direct left/right collector configuration ........................Left/right hydraulic separator configuration ......................Left/right plate exchanger configuration ....................... Positioning of generators on the frame ........................ Assembling the hydraulic and gas components of the head module ..............Assembling the hydraulic and gas components of the expansion module ............
  • Page 7 Fig. 1 Load-bearing frame image with values..............Fig.
  • Page 8 Tab. 1 Pump matching ..................Tab.

  • Page 9: Load-Bearing Frame Overall Dimensions

    WARNING MODULAR GENERATORS ON LOAD-BEARING FRAME DESCRIBED IN THIS MANUAL ARE ONLY INTENDED FOR IN- DOOR, INSTALLATIONS, OUTDOOR INSTALLATIONS ARE NOT PERMITTED. Load-bearing frame overall dimensions Fig. 1 Load-bearing frame image with values A = starting frame B = expansion frames to always be positioned to the right of the head frame regardless of the cascade direction C = first frame to be positioned Warning on modular generator configuration The installation configuration of modular heat generators allows to install:...

  • Page 10: Direct Left/Right Collector Configuration

    Direct left/right collector configuration 1286 274,5 Fig. 2 Combination of left 45-60 direct collectors Description DN 80 PN 6 flanged primary circuit flow DN 80 PN 6 flanged primary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain MODULAR CH KR HEAT GENERA- MAXIMUM SYSTEM...
  • Page 11 1260 1886 274,5 Fig. 3 Combination of left 85-120 direct collectors Description DN 80 PN 6 flanged primary circuit flow DN 80 PN 6 flanged primary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain MODULAR GEN- CH KR HEAT GENERATORS MAXIMUM SYS- FLUE GAS VENT...
  • Page 12 2079 1260 1890 2520 3150 3796 1730 1761 Fig. 4 Combination of left 120-150 direct collectors...
  • Page 13 Description DN 80 PN 6 flanged primary circuit flow DN 80 PN 6 flanged primary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain MODULAR GEN- CH KR HEAT GENERATORS MAXIMUM SYS- FLUE GAS VENT FLUE GAS VENT ERATOR MODEL TEM PRESSURE MINIMUM DIAM-...

  • Page 14: Left/Right Hydraulic Separator Configuration

    Left/right hydraulic separator configuration 1286 274,5 Fig. 5 Combination of left 45-60 hydraulic separator Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR CH KR HEAT GENERA-...
  • Page 15 550,5 1297 274,5 Fig. 6 Combination of right 45-60 hydraulic separator Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR CH KR HEAT GENERA- MAXIMUM SYSTEM...
  • Page 16 550,5 1260 1886 274,5 Fig. 7 Combination of left 85-120 hydraulic separator Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR GEN- CH KR HEAT GENERATORS...
  • Page 17 1260 1886 550,5 274,5 Fig. 8 Combination of right 85-120 hydraulic separator Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR GEN- CH KR HEAT GENERATORS...
  • Page 18 2079 1260 1890 2520 3150 3796 1730 1761 Fig. 9 Combination of left 120-150 hydraulic separator...
  • Page 19 Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR GEN- CH KR HEAT GENERATORS MAXIMUM SYS- FLUE GAS VENT FLUE GAS VENT...
  • Page 20 2079 3796 3150 2520 1890 1260 1730 1761 Fig. 10 Combination of right 120-150 hydraulic separator...
  • Page 21 Description DN 80 PN 6 flanged secondary circuit flow DN 80 PN 6 flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain Circuit breaker drain G 1 1/2 F MODULAR GEN- CH KR HEAT GENERATORS MAXIMUM SYS- FLUE GAS VENT FLUE GAS VENT...

  • Page 22: Left/Right Plate Exchanger Configuration

    Left/right plate exchanger configuration 1293 274,5 Fig. 11 Combination of left 45-60 plate exchanger Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**)
  • Page 23 1094 1293 274,5 Fig. 12 Combination of right 45-60 plate exchanger Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**) tional...
  • Page 24 1260 1090 1886 274,5 Fig. 13 Combination of left 85-120 plate exchanger Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**) tional...
  • Page 25 1260 1886 1090 274,5 Fig. 14 Combination of right 85-120 plate exchanger Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**) tional...
  • Page 26 2079 1090 1260 1890 2520 3150 3796 1730 1761 1062 Fig. 15 Combination of left 120-150 plate exchanger...
  • Page 27 Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**) tional MODULAR GEN-...
  • Page 28 1061 2079 3796 3150 2520 1890 1260 1090 1730 1761 Fig. 16 Combination of right 120-150 plate exchanger...
  • Page 29 Description DN 80 PN 6 (**) flanged secondary circuit flow DN 80 PN 6 (**) flanged secondary circuit return DN 50 PN 6 flanged gas inlet DN 50 condensate drain ATTENTION: flow and return manifolds to be connected to the secondary circuit of the plate exchanger are op- (**) tional MODULAR GEN-...

  • Page 30: Positioning Of Generators On The Frame

    Positioning of generators on the frame Fit the vent stub pipes and the relevant flue gas caps on all generators, as shown in the figure. Fasten the generators to the rack as shown in the figure. 25 25 25 25 Check that the two generators are positioned on the rack according to the values indicated in the figure.

  • Page 31: Assembling The Hydraulic And Gas Components Of The Head Module

    Assembling the hydraulic and gas components of the head module Assemble the condensate drain following the instructions in the figure above. ~150 Check that the condensate drain is approximately positioned according to the value indicated in the figure. Fasten the cap to the gas collector using the gasket supplied. Position the gas collector as shown in the figure above. Check that the gas collector is approximately positioned according to the value indicated in the figure.
  • Page 32 Using screws, fasten the bracket to the condensate trap. Using screws, fasten the bracket with the trap to the lower part of the boiler as shown in the figure. Metal clamp Fasten the trap with the metal clamp as shown in the figure. Connect the trap drain to the drain pipe.
  • Page 33 ....Fit the gasket and the gas fitting only for boiler models from 45 to 85. Use teflon Utilizzare teflon Fit the gas tap. Fasten the gas pipe by placing the gaskets supplied in-between.
  • Page 34 ...."YES FITTING" Fitting the gas pipe in case of boiler models from 45 to 85. 120 ÷ 150 "NO FITTING" Fitting the gas pipe in case of models from 120 to 150. In case of boilers models from 120 to 150, it is not necessary to install the gas fitting. Fasten the insulating material and the cap to the return collector by placing the proper gasket supplied in-between.
  • Page 35 Only for models from Use teflon 45 to 85 Use teflon Use teflon Check that the return collector is approximately positioned according to the value indicated in the figure. WARNING For 120 and 150 boiler models: before mounting the pump under the boiler it is necessary to mount the supplied wiring to the pump.
  • Page 36 Using a clip, fasten the safety valve drain pipe to the boiler. Insert the pipe in the condensate drain branch. Fasten the insulating material and the caps in the rear part of the flow collector. Place the flow collector in the position shown in the figure. The direction does not change according to the expansion direction of the right or left cascade.
  • Page 37 Only for models from 45 to 85 Use teflon 1” connector for expansion vessel installation Use teflon Fasten the components shown in the figure. Use teflon Use teflon Use teflon...
  • Page 38 Fit the just-assembled unit to the boiler and the flow collector. Fasten the cap to the return collector. WARNING Fitting for connection of expansion tank and/or filler/drain cock. In case of hydraulic separator installation, the drain can be made on the pre-arranged connection on the hydraulic separator.

  • Page 39: Assembling The Hydraulic And Gas Components Of The Expansion Module

    Assembling the hydraulic and gas components of the expansion module Assemble the condensate drain following the instructions in the figure above.
  • Page 40 Fasten the cap to the gas collector with the gasket supplied. Fasten the gas collector with screws and nuts by placing the gasket between the two collectors.
  • Page 41 Fit the trap on the boiler as described on page 32. Connect the boiler condensate drain to the drain pipe. Use teflon Fit the gas tap. The fitting operations of an hydraulic unit for 120 - 150 boiler model are described below. If a boiler with output up to 85 is installed, refer to the figures above.
  • Page 42 Fasten the insulating material and the cap to the return collector by placing the proper gasket supplied in-between. Fix the tap on the return collector before positioning it on the structure. Fasten the return collector with screws and nuts by placing the gasket between the two collectors.
  • Page 43 Use teflon Use teflon WARNING For 120 and 150 boiler models: before mounting the pump under the boiler it is necessary to mount the supplied wiring to the pump. DIRECTION DIRECTION TOWARDS THE TOWARDS THE BOILER BOILER Fasten the components of the hydraulic part paying attention to the installation direction of the non return valve and the installation direction of the circulation pump.
  • Page 44 Using a clip, fasten the safety valve drain pipe to the boiler. Insert the pipe in the condensate drain branch. Fasten the insulating material and the caps in the upper and rear part of the flow collector. Place the flow collector in the position shown in the figure. WARNING 1”...
  • Page 45 Fasten the flow collector with screws and nuts by placing the gasket between the two collectors. 1” connector for expansion vessel installation Use teflon Fasten the components shown in the figure.
  • Page 46 Use teflon Use teflon Fit the just-assembled unit to the boiler and the flow collector.
  • Page 47 Fasten the cap to the return collector. WARNING Fitting for connection of expansion tank and/or filler/drain cock. In case of hydraulic separator installation, the drain can be made on the pre-arranged connection on the hydraulic separator. If expansion modules are not installed, it is necessary to close the flow and return collectors, the gas collector and the drain with the components shown in the figure.

  • Page 48: Operations To Close Flow And Return Taps

    Operations to close flow and return taps To close the flow-return circuit between collectors and boiler, proceed as follows: • Reach the control panel of the ‘Master’ boiler of the cascade. • Set the system to ‘OFF’ to turn off the boiler burner. •...

  • Page 49: Assembling The Hydraulic Separator

    1.11 Assembling the hydraulic separator Fasten the plate with the proper screw. Screw the feet to the lower part of the hydraulic separator. Cascade probe Bleed valve Cascade probe port 1/4" - 1/2” adapter Use teflon Use teflon Use teflon Use teflon Use teflon WARNING...
  • Page 50 546,5 Description DN 80 PN 6 CASCADE FLOW CONNECTION DN 80 PN 6 CASCADE RETURN CONNECTION DN 80 PN 6 SECONDARY CIRCUIT FLOW CONNECTION DN 80 PN 6 SECONDARY CIRCUIT RETURN CONNECTION CONNECTION FOR 1 1/2 " F DRAIN Fasten the hydraulic separator with screws and nuts by placing the gaskets between the two flow and return collectors of the head unit.

  • Page 51: Plate Exchanger Technical Data

    1.12 Plate exchanger technical data POSITION FOR CONNECTION DN 65 FLANGED 102,5 A (2 : 5) ACCESSORY PLATE EXCHANG- PLATES TIGHTENING PRIMARY SECOND- EMPTY WEIGHT CODE L VALUE WATER ARY WATER WEIGHT AT FULL VOLUME VOLUME LOAD 0SCAMPIA27 UP TO 120 KW 27,5 0SCAMPIA28 UP TO 205 KW...
  • Page 52 WARNING DUE TO THE COMPACT DIMENSIONS, TO CONNECT THE FLANGES TO THE EXCHANGER IT IS NECESSARY TO LATER- ALLY CUT THE FLANGES AS SHOWN IN THE FIGURE ABOVE, FONDITAL CONNECTION ACCESSORIES ARE PRESET TO THIS PURPOSE. MATERIALS AND CONNECTIONS Frame...

  • Page 53: Assembling The Plate Exchanger

    1.13 Assembling the plate exchanger Fasten the plates with screws and nuts. Screw the feet to the lower part of the exchanger.
  • Page 54 Fasten the secondary system return collector (optional) with screws and nuts by placing the gasket between collector and plate ex- changer.
  • Page 55 Fasten the secondary system flow collector (optional) with screws and nuts by placing the gasket between collector and plate ex- changer.
  • Page 56 Fasten the boiler return collector with screws and nuts by placing the gasket between collector and plate exchanger.
  • Page 57 Use teflon Cascade probe Use teflon WARNING APPLY CONDUCTIVE PASTE TO THE SURFACE OF THE COMPONENT SENSITIVE ELEMENT Use teflon Fasten the boiler flow collector with screws and nuts by placing the gasket between collector and plate exchanger. Fasten the components shown in the figure to the upper part of the collector. Fasten the cap in the rear part of the collector.
  • Page 58 Fasten the collectors with screws and nuts by placing the gasket between collectors of the hydraulic unit and collectors of the plate exchanger. To align collectors of the plate exchanger and collectors of the head hydraulic unit, adjust the feet fastened to the lower part of the exchanger.

  • Page 59: Flue Gas Collector Assembly And Configuration Tables

    1.14 Flue gas collector assembly and configuration tables D.160 Fig. 17 45-60 flue gas collector assembly Fig. 18 85-120 flue gas collector assembly 1 = D.200/160 flue gas collector depending on battery power. In case of D.200 collector, a D.200 connection extension between the two adjacent collectors is required.
  • Page 60 Fig. 19 120-150 flue gas collector assembly 1 = D.250/200 flue gas collector depending on the battery power 2 = D.250/200 connection extension depending on the battery power...
  • Page 61 WARNING To connect the collectors to the flue gas vent of the boilers in series and provide a slope of approx. 3°, it is necessary to use a D100 extension to be cut according to increasing height values shown in the table below, where A is the minimum value and F the maximum value.
  • Page 62 Code Image 0COLLFUM03 D.160 0COLLFUM02 D.200 0PROLUNG25 D.200 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0RIDUZIO13 0GRIGASP01 0GRIGASP02 Tab. 5 85-120 range generator configurations...
  • Page 63 Code Image 0COLLFUM03 D.160 0COLLFUM02 D.200 0PROLUNG25 D.200 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0RIDUZIO13 0GRIGASP01 0GRIGASP02 Tab. 6 120-150 range generator configurations...
  • Page 64 Code Image 0COLLFUM02 D.200 0PROLUNG25 D.200 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0GRIGASP02 Tab. 7 120-150 range generator configurations...
  • Page 65 Code Image 0COLLFUM04 D.250 0PROLUNG26 D.250 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0GRIGASP02 Tab. 8 120-150 range generator configurations...
  • Page 66 Code Image 0COLLFUM04 D.250 0PROLUNG26 D.250 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0PROLUNG28 * 0GRIGASP02 Tab. 9 120-150 range generator configurations...
  • Page 67 Code Image Description 80 M 0RIDUZIO13 M - F adapter diameter 80 - 100 100 F 0GRIGASP01 D 80 suction opening 0GRIGASP02 D 100 suction opening Trap for flue gas collector condensate 0SIFCOND00 drain 0PROLUNG28* D 100 L 300 extension (to be cut) Tab.
  • Page 68 Code Image Description 0COLLFUM03 Flue gas collector for D 160 heat module 0PROLUNG31 L 500 D 160 extension 0PROLUNG10 L 1000 D 160 extension 0CURVAXX12 90° elbow M/F D 160 Tab. 11 D.160 accessories (I)
  • Page 69 Code Image Description 0CURVAXX14 45° elbow M/F D 160 0CURVAXX28 30° elbow M/F D 160 0CURVAXX30 15° elbow M/F D 160 0RACCORT04 T-shaped fitting M/M/F D 160 Cap for D 160 collector with condensate 0SCARCON01 drain hole Tab. 12 D.160 accessories (II)
  • Page 70 Code Image Description 0COLLFUM02 Flue gas collector for D 200 heat module 0PROLUNG25 Connection extension D 200 L 370 mm 0PROLUNG15 D 200 L 475 m extension 0PROLUNG13 D 200 L 1000 m extension 0CURVAXX13 90° elbow M/F D 200 Tab.
  • Page 71 Code Image Description 0CURVAXX15 45° elbow M/F D 200 0CURVAXX27 30° elbow M/F D 200 0CURVAXX29 15° elbow M/F D 200 0RACCORT05 T-shaped fitting M/M/F D 200 Cap for D 200 collector with condensate 0SCARCON02 drain hole Tab. 14 D.200 accessories (II)
  • Page 72 Code Image Description 0COLLFUM04 Flue gas collector for D 250 heat module 0PROLUNG26 Connection extension D 250 L 370 mm 0PROLUNG29 D 250 L 500 mm extension 0PROLUNG30 D250 L 1000 mm extension 0CURVAXX26 D250 90° elbow Tab. 15 D.250 accessories (I)
  • Page 73 Code Image Description 0CURVAXX25 D250 45° elbow 0CURVAXX24 D250 30° elbow 0CURVAXX23 D250 15° elbow 0RACCORD28 T-shaped fitting M/M/F D 250 Cap for D 250 collector with condensate 0SCARCON04 drain Tab. 16 D.250 accessories (II)

  • Page 74: Nominal Data Tables

    * it is necessary to cut the number of stub pipes as defined in the previous tables according to the measures indicated below L [mm] Tab. 17 Stub pipe lengths 1.15 Nominal data tables NOMINAL DATA C13-C33-C43-C53-C63-C83-C93-C13X-C33X-C43X-C63X-C93X- Type of installation B23-B23P-C(10)-C(11) Nominal heat input Qn Nominal heat output (80 –...
  • Page 75 NOMINAL DATA C13-C33-C43-C53-C63-C83-C93-C13X-C33X-C43X-C63X-C93X-B23- Type of installation B23P-C(10)-C(11) Nominal heat input Qn Nominal heat output (80 – 60 °C) Pn 302,5 360,3 384,6 408,9 472,3 Nominal heat output (50 – 30 °C) Pn 328,8 392,7 419,4 446,1 514,7 Reduced heat input Qr 11,5 11,5 11,5...

  • Page 76: Nominal Electrical Data Tables

    NOMINAL DATA C13-C33-C43-C53-C63-C83-C93-C13X-C33X-C43X-C63X-C93X- Type of installation B23-B23P-C(10)-C(11) Nominal heat input Qn Nominal heat output (80 – 60 °C) Pn 681,5 720,6 744,9 793,5 817,8 Nominal heat output (50 – 30 °C) Pn 743,5 785,4 812,1 865,5 892,2 Reduced heat input Qr 22,5 11,5 11,5...

  • Page 77: Tables Of Dimensions, Weights, Connections And Volumes

    NOMINAL ELECTRICAL DATA Input voltage Frequency Module power consumption 1122 1181 1240 1314 1373 1432 1491 Module power consumption in standby condition 17,5 17,5 17,5 17,5 Degree of electrical protection of rack modules Tab. 26 Nominal electrical data for configurations from 540 to 720 NOMINAL ELECTRICAL DATA Input voltage Frequency...
  • Page 78 DIMENSIONS – WEIGHTS – CONNECTIONS – VOLUMES Height of modules in the rack (without flue gas vent) 1761 Depth of modules in the rack Width of modules in the rack with separator 1211 1211 1841 1841 1841 1841 1841 Width of modules in the rack with exchanger 1750 1750 2380...
  • Page 79 DIMENSIONS – WEIGHTS – CONNECTIONS – VOLUMES Height of modules in the rack (without flue gas vent) 1761 Depth of modules in the rack Width of modules in the rack with separator 3101 3101 3101 3731 3731 3731 3731 Width of modules in the rack with exchanger 3640 3640 3640...

  • Page 80: Tables Of Flue - Shared Collector Dimensioning

    1.18 Tables of flue - shared collector dimensioning FLUE - SHARED COLLECTOR DIMENSIONING Drain rating B23P Qn - CO2 Qn - Flue gas temperature - Air temperature °C 57,0 45,3 Qn - Flue mass flow g/sec 27,3 37,2 46,2 Qn - Residual head available Qr - CO2 Qr - Flue gas temperature - Air temperature °C...

  • Page 81: Design Data Tables

    FLUE - SHARED COLLECTOR DIMENSIONING Drain rating B23P Qn - CO2 Qn - Flue gas temperature - Air temperature °C 52,6 53,5 53,2 52,8 52,6 Qn - Flue mass flow g/sec 339,2 350,7 373,7 385,2 Qn - Residual head available Qr - CO2 Qr - Flue gas temperature - Air temperature °C...
  • Page 82 DESIGN DATA Qn - Casing heat loss with burner on 0,09 0,14 0,27 0,38 0,11 Qn - Casing heat loss with burner off 0,08 0,09 0,09 0,09 0,08 0,09 Qn - Flue system heat loss with burner on 2,64 2,59 2,47 2,36 2,27...

  • Page 83: Pressure Loss

    1.20 Pressure loss 4.000 8.000 12.000 16.000 20.000 24.000 28.000 32.000 36.000 40.000 Fig. 20 Hydraulic separator flow resistance on system side 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000 5.500 Fig. 21 120 kW plate exchanger flow resistance on primary side and secondary side ΔP .
  • Page 84 1.000 2.000 3.000 4.000 5.000 6.000 7.000 8.000 9.000 Fig. 22 205 kW plate exchanger flow resistance on primary side and secondary side 1.000 2.000 3.000 4.000 5.000 6.000 7.000 8.000 9.000 10.000 11.000 12.000 13.000 Fig. 23 300 kW plate exchanger flow resistance on primary side and secondary side ΔP .
  • Page 85 1.000 2.000 3.000 4.000 5.000 6.000 7.000 8.000 9.000 10.000 11.000 12.000 13.000 14.000 15.000 16.000 Fig. 24 360 kW plate exchanger flow resistance on primary side and secondary side 2.000 4.000 6.000 8.000 10.000 12.000 14.000 16.000 18.000 20.000 Fig.
  • Page 86 2.000 4.000 6.000 8.000 10.000 12.000 14.000 16.000 18.000 20.000 22.000 24.000 Fig. 26 540 kW plate exchanger flow resistance on primary side and secondary side 2.000 4.000 6.000 8.000 10.000 12.000 14.000 16.000 18.000 20.000 22.000 24.000 26.000 Fig. 27 600 kW plate exchanger flow resistance on primary side and secondary side ΔP .
  • Page 87 3.000 6.000 9.000 12.000 15.000 18.000 21.000 24.000 27.000 30.000 Fig. 28 690 kW plate exchanger flow resistance on primary side and secondary side 3.000 6.000 9.000 12.000 15.000 18.000 21.000 24.000 27.000 30.000 33.000 36.000 Fig. 29 780 kW plate exchanger flow resistance on primary side and secondary side ΔP .
  • Page 88 3.000 6.000 9.000 12.000 15.000 18.000 21.000 24.000 27.000 30.000 33.000 36.000 39.000 Fig. 30 900 kW plate exchanger flow resistance on primary side and secondary side ΔP ... Hydraulic resistance (mbar) Q .

  • Page 89: Wiring Diagrams

    1.21 Wiring diagrams Fig. 31 Wiring diagram for models from 45 to 60...
  • Page 90 PI (+24V) PI (PWM) PI (GND) PI (+6V) SOLS 10VDC IN + 10VCD IN - FUSE 5X20mm 4A-250V T4AL250V 230 Vac - 50 Hz INAIL Fig. 32 Connections performed by the installer...
  • Page 91 Internal connections ACC: ..Ignition/detection electrode IGN: ..ignition transformer VG: ..gas valve V: .
  • Page 92 Fig. 33 Wiring diagram for models from 85 to 120...
  • Page 93 Fig. 34 Wiring diagram for models from 150...
  • Page 94 PI (+24V) PI (PWM) PI (GND) PI (+6V) SOLS 10VDC IN + 10VCD IN - FUSE 5X20mm 4A-250V T4AL250V 230 Vac - 50 Hz INAIL Fig. 35 Connections performed by the installer...
  • Page 95 Internal connections ACC: ..Ignition electrode RIL: ..Detection electrode IGN: ..ignition transformer VG: .

  • Page 96: Cascade Connections

    1.22 Cascade connections It is possible to connect up to 6 boilers in a cascade-type connection. The boilers connected with a cascade-type connection work with the MASTER-SLAVE logic: the first boiler (MASTER) controls the entire cascade. The cascade operating devices (optional) must be connected to the MASTER boiler: cascade pump, cascade probe, external probe, ambient thermostat, 0-10V input, water heater pump, water heater probe.
  • Page 97 1.22.2 Cascade programming Once the electrical connections are ready, proceed with the cascade system configuration. • Reach the control panel of the MASTER boiler. • Access the TECHNICIAN MENU (see TECHNICIAN MENU in the boiler manual). • Select "6. CASCADE” and press •...
  • Page 98 Access the technical menu, parameter 3.1.5: Technician menu Sub-menu 1 Sub-menu 2 Factory value Settable values 3. SYSTEM SET- 1. Boiler parameters 5. Pump speed min 15 ÷ 100% TINGS Change the 3.1.5 parameter on each module of the cascade system according to the table: CASCADE GENERATOR PARAMETER 3.1.5 1.22.3 Self-configuration...
  • Page 99 Example 1 4 generators having the same heat output (No 150 kW) and allocated to CH requests. Water heater probe or thermostat Cascade pump Cascade probe Water heater Water heater pump MASTER SLAVE SLAVE SLAVE menu menu menu menu Lunedi, 24. Settembre 2012 Lunedi, 24.
  • Page 100 1.22.5 Faulty cascade In case of “failure” of one of the two SLAVE generators, which causes a lack of communication among the various boilers, it is nec- essary to exclude the generator from the cascade and restore the sequence by connecting the generator before the faulty one to the generator subsequent to the faulty one.

  • Page 101: Decommissioning, Disassembly And Disposal

    1.23 Decommissioning, disassembly and disposal Warning If you decide to definitively decommission the boiler, have decommissioning, disassembly and disposal procedures car- ried out by qualified personnel, only. The user is not authorised to carry out such operations. Decommissioning, disassembly and disposal operations must be performed with boiler cold and disconnected from gas and power mains.
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  • Page 104 Fax +39 0365 878 304 e-mail: info@fondital.it www.fondital.com The manufacturer reserves the right to modify his/her products as deemed necessary, without altering the basic characteristics of the products themselves. Uff. Pubblicità Fondital IST 03 C 1321 - 02 | Maggio 2020 (05/2020)

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