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Ferroli ECONCEPT TECH 25 A, Инструкция по использованию, установке и обслуживанию

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ECONCEPT TECH 25 A

4

EN

cod. 3540I301  -  05/2008  (Rev. 00)

1. Operating instructions

1.1 Introduction

Dear Customer,
Thank you for choosing a 

ECONCEPT TECH 25 A

 wall-mounted boiler featuring 

FERROLI

advanced design, cutting-

edge technology, high reliability and quality construction. Please read this manual carefully as it provides important in-
formation on safe installation, use and maintenance.

ECONCEPT TECH 25 A

 is a high-efficiency sealed chamber 

premix 

condensing heat generator for heating and do-

mestic hot water production (with optional external hot water tank) with extremely low emissions, running on natural gas
or LPG and equipped with a microprocessor control system.
The 

boiler shell

 consists of an aluminium lamellar exchanger and a ceramic 

premix burner

 equipped with electronic

ignition and ionisation flame control, modulating speed fan and modulating gas valve.
The sealed chamber appliance is suitable for indoor installation or outdoors in a partially protected place (according to
EN 297/A6) with temperatures to -5°C (-15°C with optional antifreeze kit).
The boiler is arranged for connection to an 

external storage tank for hot water production

 (optional). In this manual

all the functions relevant to domestic hot water production are only active with the optional hot water tank connected as
indicated in sec. 2.3.

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

4 =

Heating system temperature setting increase
button

5 =

Display

6 =

Summer/Winter mode selection - Reset button -
"Sliding Temperature" Menu

7 =

Unit On/Off - Economy/Comfort mode selection
button

8 =

DHW symbol

9 =

DHW circuit operation

10 =

Summer mode

11 =

Multifunction (blinking during the exchanger pro-
tection function)

12 =

Eco (Economy) mode

13 =

Heating operation

14 =

Heating symbol

15 =

Burner On and actual power (blinking during the
flame protection function)

eco

comfort

reset

8

9

15

13

14

12

11

10

2

1

4

3

6

7

5

Содержание ECONCEPT TECH 25 A

Страница 1: ...3540I301 cod 3540I301 05 2008 Rev 00 ECONCEPT TECH 25 A INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE ...

Страница 2: ... regulations and the manufacturer s instructions Incorrect installation or poor maintenance can cause damage or physical injury The manufacturer de clines any responsibility for damage caused by er rors in installation and use or by failure to follow the manufacturer s instructions Before carrying out any cleaning or maintenance op eration disconnect the unit from the electrical power supply using...

Страница 3: ... 2 3 Plumbing connections 11 2 4 Gas connection 13 2 5 Electrical connections 14 2 6 Fume ducts 15 2 7 Condensate drain connection 19 3 Service and maintenance 20 3 1 Adjustments 20 3 2 Start up 22 3 3 Maintenance 22 3 4 Troubleshooting 24 4 Technical data and characteristics 26 4 1 Dimensions and connections 26 4 2 General view and main components 27 4 3 Plumbing circuit 28 4 4 Technical data tab...

Страница 4: ...e is suitable for indoor installation or outdoors in a partially protected place according to EN 297 A6 with temperatures to 5 C 15 C with optional antifreeze kit The boiler is arranged for connection to an external storage tank for hot water production optional In this manual all the functions relevant to domestic hot water production are only active with the optional hot water tank connected as ...

Страница 5: ...hot water under the tap de tails 8 and 9 fig 1 The display detail 11 fig 1 shows the actual hot water outlet temperature and during DHW standby time the mes sage d1 fig 3 Exclude hot water storage tank economy Hot water storage tank temperature maintaining heating can be excluded by the user If excluded domestic hot water will not be delivered The hot water tank can be deactivated by the user ECO ...

Страница 6: ...ready to operate automatically whenever domestic hot water is drawn or in case of a room thermostat demand Turning the boiler off Press the button detail 7 fig 1 for 5 seconds fig 5 Turning the boiler off 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 relight the boiler press the b...

Страница 7: ...nter changeover Press the button detail 6 fig 1 for 2 seconds fig 7 The display activates the Summer symbol detail 10 fig 1 the boiler will only deliver domestic hot water The anti freeze system remains activated To deactivate Summer mode press the button detail 6 fig 1 again for 2 seconds Heating temperature adjustment Operate the heating buttons details 3 and 4 to adjustfig 1the temperature from...

Страница 8: ...f the heat ing system is decreased according to a fixed compensation curve With Sliding Temperature adjustment the temperature set with the heating buttons details 3 and 4 fig 1 becomes the maximum system delivery temperature It is advisable to set a maximum value to allow system adjustment throughout its useful operating range The boiler must be adjusted at the time of installation by qualified p...

Страница 9: ...made from the Remote Timer Control menu and the boiler control panel Summer Winter changeover Summer mode has priority over a possible Remote Timer Control heating demand Eco Comfort selection On disabling DHW from the Remote Timer Control menu the boiler selects the Economy mode In this condition the button detail 7 fig 1 on the boiler panel is disabled On enabling DHW from the Remote Timer Contr...

Страница 10: ... minimum the boiler card will activate fault F37 fig 14 fig 14 Low system pressure fault Operate the filling cock detail 1 fig 15 and bring the system pressure to a value above 1 0 bar fig 15 Filling cock A Once the system pressure is restored the boiler will activate the 120 second air venting cycle indicated on the display by FH At the end of the operation always close the filling cock detail 1 ...

Страница 11: ...ng and for normal maintenance operations 2 3 Plumbing connections Important The heating capacity of the unit must be previously established by calculating the building s heat requirement according to the current regulations The system must be provided with all the components for correct and regular operation It is advisable to install shutoff valves between the boiler and heating system allowing t...

Страница 12: ... very large systems or with frequent replenishing of water in the system If partial or total emptying of the system be comes necessary in these cases it is advisable to refill it with treated water Antifreeze system antifreeze fluids additives and inhibitors The boiler is equipped with an antifreeze system that turns on the boiler in heating mode when the system delivery water temperature falls un...

Страница 13: ... delivery 210 Boiler return 2 4 Gas connection B Before making the connection ensure that the unit is arranged for operation with the type of fuel available and carefully clean all the pipes of the gas system to remove any residues that could affect good functioning of the boiler The gas must be connected to the relative connector see fig 31 in conformity with current standards with rigid metal pi...

Страница 14: ...he others B The user must never change the unit s power cable If the cable gets damaged switch off the unit and have it changed solely by professionally qualified personnel If changing the electric power cable use solely HAR H05 VV F 3x0 75 mm2 cable with a maximum outside diameter of 8 mm Room thermostat optional B CAUTION The room thermostat must have clean contacts CONNECTING 230 V TO THE TERMI...

Страница 15: ...onfigurations may be expressly limited or not permitted by local regulations standards or laws Before proceeding with installation check and carefully observe the above mentioned prescriptions Also comply with the provisions concerning the positioning of wall and or roof terminals and the minimum distances from windows walls ventilation openings etc B This C type unit must be installed using the f...

Страница 16: ...d causing dripping fig 22 Starting accessory for coaxial ducts Before proceeding with installation check with table 2 that the maximum permissible length is not exceeded bearing in mind that every coaxial bend gives rise to the reduction indicated in the table 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 du...

Страница 17: ...mum permissible length has not been exceeded by means of a simple calculation 1 Establish the layout of the system of split flues including accessories and outlet terminals 2 Consult the table 4 and identify the losses in meq equivalent metres of every component according to the instal lation position 3 Check that the sum total of losses is less than or equal to the maximum permissible length in t...

Страница 18: ...lar or quadrangular cross section with a vertical progression and with no constrictions Have the ducts conveying the hot fumes adequately distanced or isolated from combustible materials Be connected to just one unit per floor Be connected to just one type of unit or all and only forced draught units or all and only natural draught units Have no mechanical suction devices in the main ducts Be at a...

Страница 19: ...oiler is equipped with a trap to drain condensate Fit the inspection connection A and the flexible tube B pressing it in about 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 elimination system fig 26 Condensate drain connection ...

Страница 20: ...hamber 3 Release the fixing clip C and remove the gas pipeA from the fan venturi assembly 4 Replace the nozzle B inserted in the gas pipe with that contained in the conversion kit 5 Reassemble the gas pipe A with the clip and check the seal of the connection 6 Apply the plate contained in the conversion kit near the dataplate 7 Refit the sealed chamber and casing 8 Modify the parameter for the typ...

Страница 21: ...ill be displayed alongside fig 28 TEST mode heating power 100 To deactivate TEST mode repeat the activation sequence In any case the TEST mode is disabled automatically after 15 minutes Heating power adjustment To adjust the heating power switch the boiler to TEST mode see sec 3 1 Press the heating buttons de tails 3 and 4 fig 1 to increase or decrease the power min 00 max 100 Press the RESET butt...

Страница 22: ...er production phases 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 CO2 content in the fumes with the boiler operating at max and min output corresponds to that given in the technical data table for the corresponding type of gas Make sure the fuel con...

Страница 23: ...points shown in fig 30 To take the measurement 1 Open the air and fume sampling points 2 Insert the probes 3 Press the and buttons for 5 seconds to activate TEST mode 4 Wait 10 minutes for the boiler to stabilise 5 Take the measurement For natural gas the CO2 reading must be between 8 7 and 9 For LPG the CO2 the reading must be between 9 5 and 10 A Analyses made with an unstabilised boiler can cau...

Страница 24: ... Card fault Check the card A03 Overtemperatureprotection activated Heating sensor damaged Check the correct positioning and operation of the heating sensor No water circulation in the sys tem Check the circulating pump Air in the system Vent the system A04 Fume exhaust duct safety activated Fault F07 generated 3 times in the last 24 hours See fault F07 A05 Fan protection activated Fault F15 genera...

Страница 25: ...ly trouble Check the electrical system F35 Mains frequency fault Power supply trouble Check the electrical system F37 Incorrect system water pressure Pressure too low Fill the system Water pressure switch not con nected or damaged Check the sensor F39 External probe fault Probe damaged or wiring shorted Check the wiring or replace the sensor Probe disconnected after acti vating the sliding tempera...

Страница 26: ...chnical data and characteristics 4 1 Dimensions and connections fig 31 Dimensions and connections 1 Heating system delivery 3 Gas inlet 5 Heating system return 6 Safety valve drain 700 400 82 74 56 48 84 56 44 180 232 118 180 229 80 80 120 120 195 330 1 3 6 5 ...

Страница 27: ...r 36 Automatic air vent 44 Gas valve 56 Expansion tank 74 Heating system cock 82 Detection electrode 95 Diverter valve 114 Water pressure switch 161 Condensing heat exchanger 186 Return sensor 188 Ignition electrode 191 Fume temperature sensor 193 Trap 196 Condensate tray 201 Mixing chamber 209 Boiler delivery 210 Boiler return 250 System delivery filter 278 Double sensor Safety Heating 201 56 22 ...

Страница 28: ...6 Automatic air vent 44 Gas valve 56 Expansion tank 74 Heating system cock 95 Diverter valve 114 Water pressure switch 154 Condensate outlet 161 Condensing heat exchanger 186 Return sensor 193 Trap 196 Condensate tray 209 Boiler delivery 210 Boiler return 210 Boiler return 241 By pass 278 Double sensor Safety Heating 56 44 32 11 10 7 95 241 114 36 186 161 278 193 154 16 250 196 209 210 74 14 ...

Страница 29: ...t water production kW 5 2 Gas supply pressure G20 mbar 20 Max gas delivery G20 m3 h 2 86 Min gas delivery G20 m3 h 0 56 Gas supply pressure G31 mbar 37 Max gas delivery G31 kg h 2 11 Min gas delivery G31 kg h 0 41 Efficiency class directive 92 42 EEC NOx emission class 5 NOx Max working pressure in heating bar 3 PMS Min working pressure in heating bar 0 8 Max heating temperature C 95 tmax Heating ...

Страница 30: ...NCEPT TECH 25 A 30 EN cod 3540I301 05 2008 Rev 00 4 5 Diagrams Loss of head Head of circulators A Boiler losses of head 1 2 3 Circulator speed 0 1 2 3 4 5 6 7 0 500 1 000 1 500 2 000 Q l h H m H2O A 3 2 1 ...

Страница 31: ...g pump 44 Gas valve 72 Room thermostat 82 Detection electrode 95 Diverter valve 114 Water pressure switch 138 External probe 139 Remote timer control 155 DHW temperature probe optional 186 Return sensor 188 Ignition electrode 191 Fume temperature sensor 278 Double sensor heating safety 256 Modulating heating circulating pump signal 72 95 155 114 191 16 186 188 82 T T 278 139 138 256 32 16 44 N L 2...

Страница 32: ...FERROLI S p A Via Ritonda 78 a 37047 San Bonifacio Verona ITALY www ferroli it ...

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