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Related Manuals for Ferroli ECONCEPT SOLAR ST
Summary of Contents for Ferroli ECONCEPT SOLAR ST
- Page 1 ECONCEPT SOLAR ST INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE...
- Page 2 ECONCEPT SOLAR ST • Carefully read the warnings in this instruction book- • In case the unit breaks down and/or functions poorly, let since they provide important information on safe deactivate it, do not make any attempt to repair it or installation, use and maintenance.
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Page 3: Table Of Contents
ECONCEPT SOLAR ST 1 Operating instructions ......................4 1.1 Introduction............................. 4 1.2 Control panel ............................5 1.3 Lighting and turning off ........................... 7 1.4 Adjustments............................8 2 Installation ..........................13 2.1 General Instructions ..........................13 2.2 Place of installation ..........................13 2.3 Plumbing connections .......................... -
Page 4: Operating Instructions
, for maximising the saving obtainable from a solar panel system. Regarding the production of hot water for heating, ECONCEPT SOLAR ST it is fitted standard with a double internal circulation, enabling the simultaneous and independent management of two heating zones: a low temperature zone (floor system) and a high temperature zone (radiators, towel warmers, etc.). -
Page 5: Control Panel
ECONCEPT SOLAR ST 1.2 Control panel ecomfort fig. 1 - Control panel DHW temperature setting decrease button 23 = Heating delivery temperature / setting - high DHW temperature setting increase button temperature zone (flashing during “Exchanger Heating system temperature setting decrease protection”... - Page 6 ECONCEPT SOLAR ST 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 actual heating delivery temperature and, during heating standby time, the mes- sage "d2".
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Page 7: Lighting And Turning Off
ECONCEPT SOLAR ST 1.3 Lighting and turning off Boiler not electrically powered fig. 4 - Boiler not powered 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 winter, it is advisable to drain all the water from the boiler, DHW circuit and system;... -
Page 8: Adjustments
ECONCEPT SOLAR ST 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. - Page 9 ECONCEPT SOLAR ST 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 optional remote timer control installed The heating temperature adjustment for the low temperature zone is fixed at 40°C.
- Page 10 ECONCEPT SOLAR ST 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).
- Page 11 ECONCEPT SOLAR ST 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 the room.
- Page 12 ECONCEPT SOLAR ST 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).
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Page 13: Installation
The unit has a specific internal circuit for connection to one or more external solar collectors. The internal circuit of ECONCEPT SOLAR ST comprises: stratified solar hot water tank with solar coil, flow limiter, filling unit, solar safety valve, variable-speed pump and solar expansion tank. Make the corresponding connections , respecting the instructions given below. -
Page 14: Gas Connection
ECONCEPT SOLAR ST • 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. •... -
Page 15: Electrical Connections
ECONCEPT SOLAR ST 2.5 Electrical connections Connection to the electrical grid 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 suitability of the earthing system checked by professionally qualified personnel. -
Page 16: Fume Ducts
ECONCEPT SOLAR ST 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. - Page 17 For example, a Ø 60/100 duct comprising a 90° bend + 1 horizontal metre has a total equivalent length of 2 metres. Table. 2 - Max. length coaxial ducts ECONCEPT SOLAR ST 18 ECONCEPT SOLAR ST 25 Coaxial 60/100...
- Page 18 3. Check that the sum total of losses is less than or equal to the maximum permissible length in table 3. Table. 3 - Max. length separate ducts Separate ducts ECONCEPT SOLAR ST 18 ECONCEPT SOLAR ST 25 Max. permissible length...
- Page 19 = 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 must be expressly designed by professionally qualified technical personnel in conformity with the cur- rent standards and be suitable for airtight chamber units equipped with a fan.
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Page 20: Condensate Drain Connection
ECONCEPT SOLAR ST 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 water and connect the flexible tube to the drainage system. -
Page 21: Service And Maintenance
Personnel (meeting the professional technical requirements prescribed by current regulations) such as those of the Local After-Sales Technical Service. FERROLI declines any liability for damage and/or injury caused by unqualified and unauthorised persons tampering with the unit. 3.1 Adjustments... -
Page 22: Starting
ECONCEPT SOLAR ST 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. - Page 23 ECONCEPT SOLAR ST • 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 content in the fumes, with the boiler operating at max.
- Page 24 ECONCEPT SOLAR ST 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) .
- Page 25 ECONCEPT SOLAR ST 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.
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Page 26: Maintenance
ECONCEPT SOLAR ST 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 function correctly. -
Page 27: Trouble Shooting
ECONCEPT SOLAR ST 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). - Page 28 ECONCEPT SOLAR ST Fault Fault Possible cause Cure code Check the system The pressure is reaching the maximum Incorrect system water pressure Check the safety valve value Check the expansion tank System protection activation Fault F40 generated 3 times in the last hour See fault F40...
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Page 29: Technical Data And Characteristics
ECONCEPT SOLAR ST 4. Technical data and characteristics 4.1 Dimensions and connections Mod. 18 Mod. 25 327 - Ø 3/4” 328 - Ø 3/4” 192 - Ø 3/4” 8 - Ø 3/4” 323 - Ø 3/4” 321 - Ø 3/4” 11 - Ø 3/4”... -
Page 30: General View And Main Components
ECONCEPT SOLAR ST 4.2 General view and main components 318a 317a 319a 315a fig. 34 - Main components cod. -- - 11/2010 (Rev. 00) -
Page 31: Water Circuit
ECONCEPT SOLAR ST 4.3 Water circuit 315a 317a 318a 319a Valvola regolazione portata Indicatore di portata fig. 35 - Water circuit cod. -- - 11/2010 (Rev. 00) - Page 32 ECONCEPT SOLAR ST Key fig. 34-35-36 Sealed chamber 186 Return sensor Gas inlet 188 Ignition electrode Cold water inlet 191 Fume temperature sensor System delivery 193 Trap System return 194 Exchanger 14a Safety valve 196 Condensate tray 14b Safety valve...
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Page 33: Technical Data Table
ECONCEPT SOLAR ST 4.4 Technical data table ECONCEPT SOLAR ECONCEPT SOLAR ST 18 ST 25 Data Unit Value Value Max. heating capacity 25.2 Min. heating capacity Max. Heat Output in heating (80/60°C) 17.7 24.6 Min. Heat Output in heating (80/60°C) Max. -
Page 34: Diagrams
ECONCEPT SOLAR ST 4.5 Diagrams High Temperature zone circulating pumps Head/Pressure loss (ECONCEPT SOLAR ST 18) H [m H Q [l/h] 1.000 1.500 2.000 Boiler pressure losses 1 - 2 - 3 Circulating pump speed Low Temperature zone circulating pumps Head/Pressure loss (ECONCEPT SOLAR ST 18) - Page 35 ECONCEPT SOLAR ST High Temperature zone circulating pumps Head/Pressure loss (ECONCEPT SOLAR ST 25) H [m H Q [l/h] 1.000 1.500 2.000 Boiler pressure losses 1 - 2 - 3 Circulating pump speed Low Temperature zone circulating pumps Head/Pressure loss (ECONCEPT SOLAR ST 25)
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Page 36: Wiring Diagram
ECONCEPT SOLAR ST 4.6 Wiring diagram T° T° fig. 36 - Wiring diagram cod. -- - 11/2010 (Rev. 00) - Page 37 ECONCEPT SOLAR ST Attention: Before connecting the collector temperature sensor, remove the resistance between terminals 5 and 6 of controller DBM29. Attention: Before connecting the room thermostat on the direct zone, remove the jumper on the terminal block . Attention: The boiler is arranged for operation with room thermostat on the low temperature zone. On con- necting the remote timer control it will be necessary to configure the controller FZ4B.
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Page 38: Dbm29 (Ecotronic Tech) - Solar Controller
ECONCEPT SOLAR ST 4.7 DBM29 (ECOTRONIC tech) - Solar Controller User interface 21 22 fig. 38 Activated: solar collector temperature sufficient for exchange, normal operation Flashing: solar collector cold recognition Activated: solar collector antifreeze function Activated: shutter closed for hot water tank max. temperature reached... - Page 39 ECONCEPT SOLAR ST 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 faults and/or higher priority demands, the regulator goes to standby mode. The following information is displayed: •...
- Page 40 ECONCEPT SOLAR ST 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 Solar Collector Sensor S3 and the temperature of Solar Collector Return Sensor S4 is less than or equal to the Deactivation temperature differen- tial parameter value (Installer parameter , default value equal to 4°C) then the ECOTRONIC tech regulator deactivates...
- Page 41 ECONCEPT SOLAR ST 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 Hot Water Tank), the latter has priority over the Hot Water Tank Cooling Function .
- Page 42 ECONCEPT SOLAR ST 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 fuse. The fuse is located inside the regulator : to access it, follow steps 1 and 2 of the section "Accessing internal terminal blocks".
- Page 43 ECONCEPT SOLAR ST Sensor characteristics The temperature sensors can be checked with a digital multimeter : disconnect the sensor from regulator and check correspondence with the following tables . PT 1000 T(°C) T(°C) T(°C) 54932 961.5 1462 42080 980.75 1481.25...
- Page 44 ECONCEPT SOLAR ST 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 “In” - Information Menu The regulator can display the following information: S1: PT1000 sensor - Not used (°C) S2: Hot water tank NTC sensor (°C) Only with parameter P26=1, Stand alone S3: Solar collector PT1000 sensor (°C) between 01 and 175°C...
- Page 46 ECONCEPT SOLAR ST “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.
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Page 47: Fz4B Low Temperature Zone Card
ECONCEPT SOLAR ST 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 to select: "tS" = Transparent Parameters Menu "In" = Information Menu "Hi" = History Menu (of the zone controller) "rE"... - Page 48 ECONCEPT SOLAR ST 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 range and be modulated by the Remote Control during operation; in case of Chronothermostat: on closing of the contact, the delivery temperature adjustment will be set to the "Max.
- Page 49 ECONCEPT SOLAR ST "In" - Information Menu The card can display the following information: NTC sensor (T1) between 05 and 125°C NTC sensor (T2) between 05 and 125°C NTC sensor (T3) between 05 and 125°C NTC sensor (T4) between -30 and 70°C (Negative values flash)
- Page 50 ECONCEPT SOLAR ST 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- mote Control of the corresponding temperature zone.
- Page 52 FERROLI S.p.A. Via Ritonda 78/a 37047 San Bonifacio - Verona - ITALY www.ferroli.it...