Ferroli ECONCEPT 35 C Fehlerbehebungshandbuch

)

cod. 3540F320 — 02/2007 (Rev. 00)

ECONCEPT 35 C

INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE

INSTRUCTIONS D'UTILISATION, D'INSTALLATION ET D'ENTRETIEN

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KULLANMA, KURULUM VE BAKøM TALIMATLARø

ECONCEPT 35 C

2GB

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 90/396

• Efficiency Directive 92/42

• Low Voltage Directive 73/23 (amended by 93/68)

• Electromagnetic Compatibility Directive 89/336 (amended by 93/68)

President and Legal Representative

Cav. del Lavoro

Dante Ferroli

BThis symbol indicates "Caution" and is placed next to all safety warnings. Strictly follow

these instructions in order to avoid danger and damage to persons, animals and things.

AThis symbols calls attention to a note or important notice.

cod. 3540F320 - 02/2007 (Rev. 00)

• Carefully read the warnings in this instruction book-

let since they provide important information on safe

installation, use and maintenance.

• This instruction booklet is an integral part of the

product and must be carefully kept by the user for fu-

ture reference.

• If the unit is sold or transferred to another owner or if

it is to be moved, always make sure that the booklet

accompanies the boiler so that it can be consulted

by the new owner and/or installer.

• Installation and maintenance must be carried out by

professionally qualified personnel, according to cur-

rent 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 the switch and/or the special cut-off de-

vices.

• In case the unit breaks down and/or functions poorly,

deactivate it, do not make any attempt to repair it or

directly intervene. Contact professionally qualified

personnel. Any repair/replacement of products must

only be carried out by qualified professional person-

nel using exclusively genuine parts. Failure to com-

ply with the above could affect the safety of the unit.

• Periodical maintenance carried out by qualified per-

sonnel is essential for guaranteeing good operation

of the unit.

• This unit must only be used for the purpose for which

it was designed. Any other use is considered im-

proper and therefore hazardous.

• After removing the packing, check the integrity of the

contents. Packing materials must not be left within

the reach of children as they are potentially hazard-

ous.

• In case of doubt do not use the unit, and contact the

supplier.

• The images shown in this manual are a simplified

representation of the product. In this representation

there may be slight, unimportant differences with the

supplied product.

ECONCEPT 35 C

) cod. 3540F320 - 02/2007 (Rev. 00)

1 Operating instructions ............................................................................................................ 4

1.1 Introduction.............................................................................................................................................4

1.2 Control panel ..........................................................................................................................................4

1.3 Turning on and off ..................................................................................................................................5

1.4 Adjustments............................................................................................................................................5

2 Installation................................................................................................................................ 8

2.1 General Instructions ...............................................................................................................................8

2.2 Place of installation ................................................................................................................................8

2.3 Plumbing connections ............................................................................................................................9

2.4 Gas connection ....................................................................................................................................10

2.5 Electrical connections...........................................................................................................................10

2.6 Flues.....................................................................................................................................................12

2.7 Condensate outlet connection..............................................................................................................16

3 Service and maintenance......................................................................................................17

3.1 Adjustments..........................................................................................................................................17

3.2 Start-up.................................................................................................................................................18

3.3 Maintenance.........................................................................................................................................18

3.4 Troubleshooting....................................................................................................................................20

4 Technical characteristics and data ...................................................................................... 22

4.1 Dimensions and connections ...............................................................................................................22

4.2 General view and main components ....................................................................................................23

4.3 Plumbing circuit ....................................................................................................................................24

4.4 Technical data table .............................................................................................................................25

4.5 Diagrams ..............................................................................................................................................26

4.6 Wiring diagram .....................................................................................................................................27

ECONCEPT 35 C

4GB

cod. 3540F320 - 02/2007 (Rev. 00)

1. Operating instructions

1.1 Introduction

Dear Customer,

Thank you for choosing ECONCEPT 35 C, a FERROLI wall-mounted boiler featuring advanced design, cutting-edge

technology, high reliability and quality construction. Please read this manual carefully since it provides important infor-

mation on safe installation, use and maintenance.

ECONCEPT 35 C is a high-efficiency and low emissions, sealed chamber premix condensing heat generator for heat-

ing and domestic hot water production, running on natural gas or LPG and equipped with a microprocessor control sys-

tem.

The boiler shell consists of an aluminium laminar exchanger and a premix burner (ceramic) equipped with electronic

ignition and ionisation flame control, modulating speed fan and modulating gas valve.

1.2 Control panel

fig. 1 - Control panel

1Summer/Winter mode selection key

3Economy/Comfort mode selection key

4System temperature adjustment

5Reset key

6Appliance On/Off key

7DHW (domestic hot water) temperature adjust-

ment

8"Sliding Temperature" menu key

9Parameter edit key

11 DHW outlet temperature

13 Operation request

15 Appliance in lighting phase

16 Burner On indication

18 Heating delivery temperature

19 Remote Control connected indication (optional)

20 Summer mode indication

21 System circulating pump operation indication

22 Antifreeze operation indication

23 Heating operation indication

24 Appliance on standby after heating operation

26 Appliance on standby after DHW operation

27 DHW operation indication

28 Eco (Economy) mode indication

30 Heating system pressure indication

34 TEST mode operation

35 Fault indication

36 External sensor connected (optional)

37 External sensor temperature (with optional ex-

ternal sensor)

38 DHW circulating pump operation indication

OFF

15 13 16 1118 20 19

36 3734

ECONCEPT 35 C

5GB cod. 3540F320 - 02/2007 (Rev. 00)

1.3 Turning on and off

Lighting

• Open the gas cock upstream of the boiler.

• Switch on the power to the appliance.

• Press the ON/OFF switch (ref. 6 fig. 1).

• Turn the heating and DHW knob to the required temperature settings.

• The boiler is ready to operate automatically whenever there is a room thermostat request or a demand for domestic

hot water.

BIf the burners do not light and fault code F1 appears, press the RESET button. The controller will repeat the

ignition cycle in the next 30 seconds. If the burners do not light after the third attempt, consult sec. 3.4.

AIn case of a power failure while the boiler is working, the burners will go out and re-ignite automatically when

the mains power is restored.

Turning off

Press the ON/OFF key (ref. 6 fig. 1).

When the boiler is turned off with this key, the electronic card is no longer powered and the antifreeze system is off.

Close the gas cock ahead of the boiler and disconnect the electrical power.

BTo avoid damage caused by freezing during long shutdowns in winter, it is advisable to drain all water from

the boiler, the tap water and the system water.

1.4 Adjustments

Summer/Winter switchover

Press the key to select Summer or Winter mode. In Winter mode, heating and domestic hot water production are

activated, whereas in Summer mode, only domestic hot water production is activated and the symbol is displayed.

In Summer mode the antifreeze system remains activated.

Eco/Comfort selection

In Comfort mode, the boiler delivers hot water at the set temperature. In ECO mode, domestic hot water is off and the

boiler operates only for heating. To turn comfort mode on or off, press the button - ref. 3 -fig. 1). When Comfort

mode is deactivated, the message ECO appears on the display.

Heating temperature setting

Turn the knob part 4 fig. 1 (the display briefly shows the temperature being set), the temperature can be varied from a

minimum of 20°C to a maximum of 90°C.

DHW temperature adjustment

Operate the knob detail 7 fig. 1.

Room temperature adjustment (with optional thermostat)

Using the room thermostat, set the temperature desired in the rooms. If the room thermostat is not installed the boiler

will keep the system at the set system delivery setpoint temperature.

Room temperature adjustment (with optional remote timer control)

Using the remote timer control, set the temperature desired in the rooms. The boiler unit will set the system water ac-

cording to the required room temperature. For information on the remote timer control, please refer to its user's manual.

AIf the boiler is hooked up with the optional remote timer control, the system temperature, hot water temperature

and compensation curve adjustments can be made solely with the remote timer control. The user menu on the

boiler panel is disabled and functions solely as a display.

ECONCEPT 35 C

6GB

cod. 3540F320 - 02/2007 (Rev. 00)

Sliding Temperature

When the optional outside sensor is installed the display shows the outside temperature (part 37 - fig. 1) detected by

the sensor. The boiler adjustment system works with “Sliding Temperature.” In temperature compensation mode, the

temperature setting of the heating system is automatically adjusted to suit outdoor temperatures. This ensures maxi-

mum comfort and maximum energy savings all year round. In particular, as the outside temperature increases the sys-

tem delivery temperature decreases according to a specific “compensation curve”.

With the Sliding Temperature adjustment, the temperature set with the heating adjustment knob becomes the maximum

system delivery temperature. It is recommended to set a maximum value to permit system adjustment throughout its

useful working range.

The boiler must be regulated at the time of installation by qualified personnel. Any adjustments can anyhow be made

by the user to improve comfort.

Compensation curve and curve shift

Press the button “M” (detail 8 fig. 1) once to display the compensation curve (from 1 to 10) which can be modified with

the “+” and “-” buttons (detail 9 fig. 1). Press the button “M” again to access the parallel curve shift (see fig. 3), mod-

ifiable with the “+” and “-” buttons (detail 9 fig. 1). Press the button “M” again to exit parallel curve adjustment mode.

If the room temperature is lower than the required value it is advisable to set a curve of higher order and vice versa.

Proceed by increasing or decreasing in steps of one and check the result in the room.

fig. 2 - Screen display

Key (fig. 2)

1Parameter

2Curve number

3Outside temperature

fig. 3 - Example of parallel curve offset

Key (fig. 3)

ASystem delivery temperature

BOutside temperature -°C

CParallel curve shift

DCompensation curves

1 2 3

20 10 0 -10 -20

10 9 8 7 6

°C

ECONCEPT 35 C

7GB cod. 3540F320 - 02/2007 (Rev. 00)

System water pressure adjustment

The filling pressure with system cold, shown on the display (detail 30 - fig. 1), must be approx. 1.0 - 1.5 bar. If the system

pressure falls to values below the minimum, restore the initial value by operating the filler cock. At the end of the oper-

ation always close the filler cock.

fig. 4 - Filler cock

1Filler cock

ECONCEPT 35 C

8GB

cod. 3540F320 - 02/2007 (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 PRE-

SCRIPTIONS OF NATIONAL STANDARDS AND LOCAL REGULATIONS AND THE RULES OF PROPER WORK-

MANSHIP

2.2 Place of installation

The unit's combustion circuit is sealed with respect to the place of installation, therefore the appliance can be installed

in any room. Nevertheless, the place of installation must be adequately ventilated to prevent the creation of dangerous

conditions in case of even small gas leaks. This safety standard is laid down by EEC Directive 90/396 for all gas appli-

ances, including those with sealed chamber.

Therefore the place of installation must be free of dust, flammable materials or objects, or corrosive gases. The room

must be dry and not subject to freezing.

The boiler is arranged for wall-mounting and is equipped standard with a hooking bracket and a metal template for mark-

ing the drilling points on the wall. Wall fixing must ensure a stable and effective support for the generator.

• Assemble the template (details 2 and 3 fig. 5) with the hooking bracket (detail 1 fig. 5).

• Place the assembled template on the wall. Using a spirit level, check that the bottom bracket is perfectly horizontal.

• Temporarily fix the template to the wall with screws or nails in the holes "4".

• Mark the fixing points "A", where the hooking bracket "1" will be fixed with anchor screws. Mark the water and gas

connection points “B” then remove the parts "2" and "3" from the template. Fix the bracket "1" to the wall and hook

the boiler on it.

fig. 5 - Fitting the metal template

AIf the unit is enclosed inside cabinets or installed next to them, adequate space for removing the casing and

for normal maintenance operations must be ensured.

ECONCEPT 35 C

9GB cod. 3540F320 - 02/2007 (Rev. 00)

2.3 Plumbing connections

The heating capacity of the unit must be previously established by calculating the building's heat requirement according

to current regulations. The system must be provided with all the components for correct and regular operation. It is ad-

visable to install on-off valves between the boiler and heating system allowing the boiler to be isolated from the system

if necessary.

BThe safety valve outlet must be connected to a funnel or collection pipe, to prevent water spurting onto the

floor in case of overpressure in the heating circuit. Otherwise, if the discharge valve cuts in and floods the

room, the boiler manufacturer cannot be held liable.

Do not use the water system pipes to earth electrical appliances.

Before installation, carefully wash all the pipes of the system to remove any residuals or impurities that could affect prop-

er operation of the unit.

BA filter must also be installed on the system return piping to prevent impurities or sludge from the system clog-

ging and damaging the heat generators.

The filter must be installed when replacing the generators in existing systems. The manufacturer declines any

liability for damage to the generator caused by failure to install or inadequate installation of this filter.

Carry out the relevant connections according to the diagram in sec. 4.1 and the symbols given on the unit.

The connection kits given in fig. 6 are supplied standard.

fig. 6 - Connecting Kit

AFemale sleeve

BOT 58 nipple

CO-ring

DOT 58 clamping ring

ECopper washer

FOt 58 fitting

GBall cock

System water charcteristics

In the presence of water harder than 25° Fr (1°F = 10ppm CaCO3), the use of suitably treated water is advisable in order

to avoid possible scaling in the boiler. The treatment must not in any case reduce the hardness to values below 15°F

(Decree 236/88 for uses of water intended for human consumption). Water treatment is indispensable in the case of

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.

C D E

FEDB CA

ECONCEPT 35 C

10 GB

cod. 3540F320 - 02/2007 (Rev. 00)

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 under 6°C. The device will not come on if the electricity and/or gas supply to the unit are cut off. If it

becomes necessary, it is permissible to use antifreeze fluid, additives and inhibitors only if the manufacturer of these

fluids or additives guarantees they are suitable for this use and cause no damage to the heat exchanger or other com-

ponents and/or materials of the boiler unit and system. It is prohibited to use generic antifreeze fluid, additives or inhib-

itors that are not expressly suited for use in heating systems and compatible with the materials of the boiler unit and

system.

2.4 Gas connection

BBefore 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. 19) in conformity with current standards, with rigid metal

pipes or with continuous flexible s/steel wall tubing, placing a gas cock between the system and the boiler. Make sure

that all the gas connections are tight. The capacity of the gas meter must be sufficient for the simultaneous use of all

equipment connected to it. The diameter of the gas pipe leaving the boiler does not determine the diameter of the pipe

between the unit and the meter; it must be chosen according to its length and loss of head, in conformity with current

standards.

BDo not use the gas pipes to earth electrical appliances.

2.5 Electrical connections

Connection to the electrical grid

BThe 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. The manufacturer is not responsible for any damage caused by failure

to earth the system. Also make sure that the electrical system is adequate for the maximum power absorbed

by the unit, as specified on the boiler dataplate.

The boiler is prewired and provided with a Y-cable and plug for connection to the electricity line. The connections to the

grid must be made with a permanent connection and equipped with a bipolar switch whose contacts have a minimum

opening of at least 3 mm, interposing fuses of max. 3A between the boiler and the line. It is important to respect the

polarities (LINE: brown wire / NEUTRAL: blue wire / EARTH: yellow-green wire) in making connections to the electrical

line. During installation or when changing the power cable, the earth wire must be left 2 cm longer than the others.

BThe 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)

BCAUTION: The room thermostat must have clean contacts. CONNECTING 230 V. TO THE TERMINALS OF

THE ROOM THERMOSTAT WILL IRREPARABLY DAMAGE THE ELECTRONIC CARD.

When connecting a remote timer control or a timer switch, do not take the power supply for these devices from

their cut-out contacts. Their power supply must be taken with a direct connection from the mains or with bat-

teries, depending on the kind of device.

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