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  5. Instructions For Use, Installation And Maintenance

Ferroli ECONCEPT SOLAR ST Instructions For Use, Installation And Maintenance

Summary of ECONCEPT SOLAR ST

  • Page 1

    Cod. - - — 11 /2 010 ( r e v. 0 0 ) econcept solar st instructions for use, installation and maintenance.

  • Page 2: Declaration of Conformity

    Econcept solar st 2 en b declaration of conformity manufacturer: ferroli s.P.A. Address: via ritonda 78/a 37047 san bonifacio vr italy declares that this unit complies with the following eu directives: • gas appliance directive 2009/142 • efficiency directive 92/42 • low voltage directive 73/23 (ame...

  • Page 3

    Econcept solar st 3 cod. -- - 11/2010 (rev. 00) 1 operating instructions ............................................................................................................ 4 1.1 introduction.......................................................................................................

  • Page 4: 1. Operating Instructions

    Econcept solar st 4 en cod. -- - 11/2010 (rev. 00) 1. Operating instructions 1.1 introduction thank you for choosing econcept solar st, a floor-standing boiler with incorporated solar hot water tankfer- roli featuring advanced design, cutting-edge technology, high reliability and quality constructio...

  • Page 5

    Econcept solar st 5 en cod. -- - 11/2010 (rev. 00) 1.2 control panel fig. 1 - control panel key 1 = dhw temperature setting decrease button 2 = dhw temperature setting increase button 3 = heating system temperature setting decrease button (high temperature zone) 4 = heating system temperature settin...

  • Page 6

    Econcept solar st 6 en cod. -- - 11/2010 (rev. 00) indication during operation heating a heating demand (generated by the room thermostat or remote timer control) is indicated by flashing of the hot air above the radiator (details 24 and 25 - fig. 1). The display (detail 23 - fig. 1) shows the actua...

  • Page 7

    Econcept solar st 7 en cod. -- - 11/2010 (rev. 00) 1.3 lighting and turning off boiler not electrically powered fig. 4 - boiler not powered b the antifreeze system does not work when the power and/or gas to the unit are turned off. To avoid damage caused by freezing during long idle periods in winte...

  • Page 8

    Econcept solar st 8 en cod. -- - 11/2010 (rev. 00) when the boiler is turned off, the electronic board is still powered. Domestic hot water and heating operation are disabled. The antifreeze system remains activated. To re-light the boiler, press the button (detail 9 fig. 1) again for 1 second. Fig....

  • Page 9

    Econcept solar st 9 en cod. -- - 11/2010 (rev. 00) heating temperature adjustment (low temperature zone) with optional remote timer control installed use the "heating temperature adjustment" button (see relevant manual) to adjust the temperature from a min. Of 10°c to a max. Of 40°c. Without optiona...

  • Page 10

    Econcept solar st 10 en cod. -- - 11/2010 (rev. 00) compensation curve and curve offset - high temperature zone press the button (detail 10 - fig. 1) once to display the actual compensation curve (fig. 11), which can be modified with the dhw buttons (details 1 and 2 - fig. 1). Adjust the required cu...

  • Page 11

    Econcept solar st 11 en cod. -- - 11/2010 (rev. 00) references for compensation curve and curve offset if the room temperature is lower than the required value, it is advisable to set a higher order curve and vice versa. Pro- ceed by increasing or decreasing in steps of one and check the result in t...

  • Page 12

    Econcept solar st 12 en cod. -- - 11/2010 (rev. 00) system water pressure adjustment the filling pressure with system cold, read on the boiler water gauge, must be approx. 1.0 bar. If the system pressure falls to values below minimum, the boiler card will activate fault f37 (fig. 15). Fig. 15 - low ...

  • Page 13: 2. Installation

    Econcept solar st 13 en cod. -- - 11/2010 (rev. 00) 2. Installation 2.1 general instructions boiler installation must only be performed by qualified personnel, in accordance with all the instructions given in this technical manual, the provisions of current law, the prescriptions of national standar...

  • Page 14

    Econcept solar st 14 en cod. -- - 11/2010 (rev. 00) • the solar circuit must be perfectly tight. Check all the joins between pipes and correct execution of any welds. Use pressure fittings only of the thermal resistance guaranteed by their manufacturer is equal to 200ºc. • the presence of air in the...

  • Page 15

    Econcept solar st 15 en cod. -- - 11/2010 (rev. 00) 2.5 electrical connections connection to the electrical grid b the unit's electrical safety is only guaranteed when correctly connected to an efficient earthing system exe- cuted according to current safety standards. Have the efficiency and suitab...

  • Page 16

    Econcept solar st 16 en cod. -- - 11/2010 (rev. 00) accessing the electrical terminal block follow the instructions given in fig. 18 to access the electrical connections terminal block. The layout of the terminals for the various connections is given in the wiring diagram in fig. 36. Fig. 18 - acces...

  • Page 17

    Econcept solar st 17 en cod. -- - 11/2010 (rev. 00) connection with coaxial pipes fig. 20 - examples of connection with coaxial pipes ( = air / = fumes) for coaxial connection, fit the unit with one of the following starting accessories. For the wall hole dimensions, refer to sec. 4.1. Any horizonta...

  • Page 18

    Econcept solar st 18 en cod. -- - 11/2010 (rev. 00) connection with separate pipes fig. 22 - examples of connection with separate pipes ( = air / = fumes) for connection of the separate ducts, fit the unit with the following starting accessory: fig. 23 - starting accessory (code 041039x0) for separa...

  • Page 19

    Econcept solar st 19 en cod. -- - 11/2010 (rev. 00) table. 4 - accessories connection to collective flues fig. 24 - examples of connection to flues ( = air / = fumes) if you are then going to connect the econcept solar st boiler to a collective flue or a single flue with natural draught, the flue mu...

  • Page 20

    Econcept solar st 20 en cod. -- - 11/2010 (rev. 00) 2.7 condensate drain connection the boiler is equipped with an internal trap to drain condensate. Fit the inspection union a and flexible tube b, pressing it in for approx. 3 cm and securing it with a clamp. Fill the trap with approx. 0.5 l. Of wat...

  • Page 21: 3. Service and Maintenance

    Econcept solar st 21 en cod. -- - 11/2010 (rev. 00) 3. Service and maintenance all adjustment, conversion, commissioning and maintenance operations described below must only be carried out by qual- ified personnel (meeting the professional technical requirements prescribed by current regulations) su...

  • Page 22

    Econcept solar st 22 en cod. -- - 11/2010 (rev. 00) test mode activation press the heating buttons (details fig. 13 and 4 - ) together for 5 seconds to activate the test mode. The boiler lights at the maximum heating power set as described in the following section. The heating symbol (detail 24 - fi...

  • Page 23

    Econcept solar st 23 en cod. -- - 11/2010 (rev. 00) • check proper boiler lighting by doing several tests, turning it on and off with the room thermostat or remote control. • using a combustion analyser connected to the boiler fume outlet, check that the co 2 content in the fumes, with the boiler op...

  • Page 24

    Econcept solar st 24 en cod. -- - 11/2010 (rev. 00) 1. Solar circuit tightness test open the venting device in the solar collector circuit (ref. 17 - fig. 28). Remove the boiler casing front panels. Open the solar circuit filling cock (ref. 1 - fig. 28) and drain cock (ref. 11 - fig. 28) . Fit a hos...

  • Page 25

    Econcept solar st 25 en cod. -- - 11/2010 (rev. 00) 5. Adjusting the flow limiter econcept solar st is equipped with a variable-speed solar pump controlled by an advanced control system, which optimises the flow rate in the solar circuit according to working conditions and heat demands. For correct ...

  • Page 26

    Econcept solar st 26 en cod. -- - 11/2010 (rev. 00) 3.3 maintenance periodical check to ensure proper operation of the unit over time, have qualified personnel carry out a yearly check, providing for the following: • the control and safety devices (gas valve, flowmeter, thermostats, etc.) must funct...

  • Page 27

    Econcept solar st 27 en cod. -- - 11/2010 (rev. 00) 3.4 trouble shooting diagnostics the boiler is equipped with an advanced self-diagnosis system. In case of a boiler fault, the display will flash together with the fault symbol (detail 22 - fig. 1) indicating the fault code (detail 21 - fig. 1). Th...

  • Page 28

    Econcept solar st 28 en cod. -- - 11/2010 (rev. 00) list of faults dbm29 solar card low temperature zone card fault fz4b the controller indicates the boiler operating mode and its faults through the incorporated display: "st" means standby (no demand in progress), "ch" means that the zone controller...

  • Page 29

    Econcept solar st 29 en cod. -- - 11/2010 (rev. 00) 4. Technical data and characteristics 4.1 dimensions and connections fig. 33 - dimensions and connections 7 gas inlet 8 cold water inlet 10 system delivery 11 system return 192 recirculation 320 low temperature delivery 321 low temperature return 3...

  • Page 30

    Econcept solar st 30 en cod. -- - 11/2010 (rev. 00) 4.2 general view and main components fig. 34 - main components 5 29 191 56 82 188 22 161 14a 36 246 32 95 196 278 16 193 44 194 179 14b 14c 318a 315a 180 74 310 130 312 308 40 316 314 233 186 179 317a 319a.

  • Page 31

    Econcept solar st 31 en cod. -- - 11/2010 (rev. 00) 4.3 water circuit fig. 35 - water circuit 56 44 14a 32 11 10 7 95 241 246 36 186 161 278 16 196 145 179 179 194 193 154 97 191 233 155 130 311 309 310 valvola regolazione portata 314 313 180 321 316 315a 317a 319a 320 318a 40 322 323 8 179 14b 308 ...

  • Page 32

    Econcept solar st 32 en cod. -- - 11/2010 (rev. 00) key fig. 34-35-36 5 sealed chamber 7 gas inlet 8 cold water inlet 10 system delivery 11 system return 14a safety valve 14b safety valve 14c safety valve 16 fan 22 burner 29 fume outlet manifold 32 heating circulating pump 36 automatic air vent 40 d...

  • Page 33

    Econcept solar st 33 en cod. -- - 11/2010 (rev. 00) 4.4 technical data table econcept solar st 18 econcept solar st 25 data unit value value max. Heating capacity kw 18 25.2 (q) min. Heating capacity kw 3 5.3 (q) max. Heat output in heating (80/60°c) kw 17.7 24.6 (p) min. Heat output in heating (80/...

  • Page 34

    Econcept solar st 34 en cod. -- - 11/2010 (rev. 00) 4.5 diagrams high temperature zone circulating pumps head/pressure loss (econcept solar st 18) a boiler pressure losses 1 - 2 - 3 circulating pump speed low temperature zone circulating pumps head/pressure loss (econcept solar st 18) b boiler press...

  • Page 35

    Econcept solar st 35 en cod. -- - 11/2010 (rev. 00) high temperature zone circulating pumps head/pressure loss (econcept solar st 25) a boiler pressure losses 1 - 2 - 3 circulating pump speed low temperature zone circulating pumps head/pressure loss (econcept solar st 25) b boiler pressure losses 1 ...

  • Page 36

    Econcept solar st 36 en cod. -- - 11/2010 (rev. 00) 4.6 wiring diagram fig. 36 - wiring diagram 72 a 95 155 191 16 186 188 82 t° t° 278 139 a 138 dbm05d dsp05 256 310 314 319a 318a 317a dbm29 fz4b 72 31 1 3.9 kohm 32 16 44 n l 230v 50hz 130 246 gnd out +5v 123456 modul direct sensor 78 mix 123456789...

  • Page 37

    Econcept solar st 37 en cod. -- - 11/2010 (rev. 00) a attention: before connecting the collector temperature sensor, remove the resistance between terminals 5 and 6 of controller dbm29. A attention: before connecting the room thermostat on the direct zone, remove the jumper on the terminal block . A...

  • Page 38

    Econcept solar st 38 en cod. -- - 11/2010 (rev. 00) 4.7 dbm29 (ecotronic tech) - solar controller user interface fig. 38 1 activated: solar collector temperature sufficient for exchange, normal operation flashing: solar collector cold recognition 2 activated: solar collector antifreeze function 3 ac...

  • Page 39

    Econcept solar st 39 en cod. -- - 11/2010 (rev. 00) lighting whenever the power to the regulator is switched on, the display activates all the symbols for 2 seconds; in the next 5 seconds, the display will show the regulator software version. Standby mode after the lighting stage, if there are no fa...

  • Page 40

    Econcept solar st 40 en cod. -- - 11/2010 (rev. 00) solar circulating pump deactivation if the temperature of the hot water tank sensor is lower than the tank max. Temperature parameter (installer param- eter, default value equal to 60°c) and if the difference (positive) between the temperature of s...

  • Page 41

    Econcept solar st 41 en cod. -- - 11/2010 (rev. 00) hot water tank cooling function (solar collector overheating prevention) this function depends on the tank cooling parameter value (installer parameter, default value equal to 0=off); also, if the system cooling function is active (collector and ho...

  • Page 42

    Econcept solar st 42 en cod. -- - 11/2010 (rev. 00) faults lcd display off make sure the regulator is powered: using a digital multimeter, check the presence of voltage at terminals 24 and 25 . In case of no voltage, check the wiring. In case of sufficient voltage (range 195 – 253 vac), check the fu...

  • Page 43

    Econcept solar st 43 en cod. -- - 11/2010 (rev. 00) sensor characteristics the temperature sensors can be checked with a digital multimeter : disconnect the sensor from regulator and check correspondence with the following tables . Ntc pt 1000 t(°c) r ( ) t(°c) r ( ) t(°c) r ( ) -10 54932 -10 961.5 ...

  • Page 44

    Econcept solar st 44 en cod. -- - 11/2010 (rev. 00) service menu the regulator service menu is accessed by pressing the info button for 10 seconds . Press the up/down buttons to select “ts”, “in”, “hi” or “re” . Ts" means transparent parameters menu, "in" information menu, "hi" history menu, and "re...

  • Page 45

    Econcept solar st 45 en cod. -- - 11/2010 (rev. 00) “in” - information menu the regulator can display the following information: press the up/down buttons to scroll the list of information. To display the value just press the enter button in relation to the parameter . In case of damaged sensor, the...

  • Page 46

    Econcept solar st 46 en cod. -- - 11/2010 (rev. 00) “re” - history reset press the on/off button for 3 seconds to delete all the information stored in the history menu : the card will automat- ically exit the service menu, in order to confirm the operation. Press the info button for 10 seconds to ex...

  • Page 47

    Econcept solar st 47 en cod. -- - 11/2010 (rev. 00) 4.8 fz4b low temperature zone card service menu press the ok button for 5 seconds to access the zone controller service menu. Press the buttons and to select: "ts" = transparent parameters menu "in" = information menu "hi" = history menu (of the zo...

  • Page 48

    Econcept solar st 48 en cod. -- - 11/2010 (rev. 00) description of parameters the "min. Zone temperature" and "max. Zone temperature" parameters define the delivery temperature adjustment range for each zone; in case of remote control, the user delivery temperature adjustment will come within this r...

  • Page 49

    Econcept solar st 49 en cod. -- - 11/2010 (rev. 00) "in" - information menu the card can display the following information: press the + and - buttons to scroll the list of information in increasing or decreasing order respectively. To display the value of a parameter, press the ok button after selec...

  • Page 50

    Econcept solar st 50 en cod. -- - 11/2010 (rev. 00) user settings the settings for heating, such as max. Delivery temperature, external probe curve (with optional external probe con- nected to boiler), weekly time programming, etc., are independent for each zone; these are modified through the re- m...

  • Page 52

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