Place Of Installation; Plumbing Connections; Connection Instructions - Ferroli ECONCEPT 51 Instrucciones De Uso, Instalación Y Mantenimiento

If the Remote Timer Control (optional) is connected to the boiler, the above ad-
A
justments are managed according to that given in table 1.
Table. 1
Heating temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler
control panel.
DHW temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler
(with optional hot water tank control panel.
installed)
Summer/Winter Switchover Summer mode has priority over a possible Remote Timer Control heating
demand.
Eco/Comfort selection (with On disabling DHW from the Remote Timer Control menu, the boiler selects the
optional hot water tank installed) Economy mode. In this condition, the button detail 7 - fig. 1 on the boiler panel is
disabled.
On enabling DHW from the Remote Timer Control menu, the boiler selects the
Comfort mode. In this condition it is possible select one of the two modes with
the button detail 7 -fig. 1.
Sliding Temperature Both the Remote Timer Control and the boiler card manage Sliding Temperature
adjustment: of the two, the Sliding Temperature of the boiler card has priority.
System water pressure adjustment
The filling pressure with the system cold must be approx. 1.0 bar. If the system pressure
falls to values below minimum, the boiler card will activate fault F37 (fig. 14). Flashing of
the arrows (details 18 and 24 - fig. 1) together with the error code indicates which boiler
shell is in fault status.
fig. 14 - Low system pressure fault
Once the system pressure is restored, the boiler will activate the 120-second
A
air venting cycle indicated on the display by FH.
3. INSTALLATION
3.1 General Instructions
THE BOILER MUST ONLY BE INSTALLED BY QUALIFIED PERSONNEL, IN COMPLI-
ANCE WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANUAL, THE
PROVISIONS OF CURRENT LAW, THE NATIONAL AND LOCAL REGULATIONS,
AND THE RULES OF PROPER WORKMANSHIP.
ECONCEPT 51/51i - 101/101i is a high-efficiency heat generator arranged to operate
alone or in cascade (bank). When two or more generators ECONCEPT 51/51i - 101/101i
are installed in cascade with the original kits FERROLI, respecting the prescriptions of
this manual, they can be considered as a single heat generator of total power equal to
the sum of the powers of all the units connected in cascade.
All the requirements of the current standards and regulations applicable to this "equiva-
lent" generator with total heating capacity must be met. In particular the place of instal-
lation, safety devices and fume exhaust system must be adequate for the total heating
capacity of the bank of units.
In fact, each ECONCEPT 51/51i - 101/101i is a complete and independent heat gener-
ator, equipped with its own safety devices. In case of overtemperature, a lack of water
or no circulation in the unit, the protection devices cause the unit to switch off or shut
down, preventing it from working.
The installation instructions given in the following paragraphs concern both single units
and connection in cascade.

3.2 Place of installation

The generator can be installed directly outside or in a suitable room with ventilation open-
ings to the outside as prescribed by the current regulations. If there are several burners
or extraction units that can work together in the same room, the ventilation openings
must be sized for simultaneous operation of all the units. The place of installation must
be free of flammable objects or materials, corrosive gases, volatile substances or dusts.
For positioning, leave enough space around the modules for normal maintenance oper-
ations. Make sure the front door opens without hindrance.
B
The air necessary for combustion enters through special openings in the bot-
tom and top part of the unit. Make sure these air passages are not obstructed
in any way.
fig. 15 - Air inlet
48
EN
eco
reset
comfort
cod. 3540S576 - Rev. 01 - 02/2015
ECONCEPT 51/51i - 101/101i
3.3 Gas and water connections

Plumbing connections

Make the relevant connections according to the instructions given below. Make the gen-
erator connection in such a way that its internal pipes are free of stress. For proper op-
eration and long life of the generator, the plumbing system must be of suitable size and
complete with all the accessories that guarantee regular operation and running.
In particular, provide for all the protection and safety devices prescribed by current reg-
ulations for the complete modular generator. They must be installed on the hot water cir-
cuit delivery piping, immediately downstream of the last module, within a distance of 0.5
m, with no shut-off devices in between. A "Safety Device and Circuit Breaker module"
equipped with internal hydraulic circuit breaker and safety units with ISPESL certification
is available by request. Refer to the price-list or contact our sales network. The unit is not
supplied with an expansion tank; its connection must therefore be made by the Installer.
B
A filter must also be installed on the system return piping to prevent impurities
or sludge from the system clogging and damaging the heat generators.
The filter must necessarily be installed when replacing generators in existing
systems. The manufacturer declines any liability for damage caused to the gen-
erator by failure to install or inadequate installation of this filter.
Water system characteristics
In the presence of water harder than 25° Fr, it is advisable to use suitably treated water,
in order to avoid possible scaling in the boiler caused by hard water, or corrosion pro-
duced by aggressive water. Due to its low thermal conductivity, scaling even just a few
mm thick causes significant overheating of the generator walls, with consequent serious
problems.
Water treatment is indispensable in case of very large systems (containing large
amounts of water) or with frequent introduction of replenishing water in the system. If par-
tial or total emptying of the system becomes necessary in these cases, it is advisable to
refill with treated water.
Gas connection
The gas must be connected to the corresponding union with a rigid metal pipe.
The gas meter must be adequate for the simultaneous use of all units connected to it.
Carry out the generator gas connection in accordance with current regulations. The di-
ameter of the gas pipe leaving the generator does not determine the diameter of the pipe
between the unit and the meter; it must be chosen according to its length and pressure
loss.
B
Make sure to install a fuel shutoff valve externally with respect to the modules,
enabling the gas to be turned off even without opening the single modules
equipped with key closing.

Connection instructions

ECONCEPT 51/51i - 101/101i is equipped inside with 3 manifolds (gas, system delivery
and return) and a condensate drain pipe that facilitate cascade connection and also con-
nection of a single module to the system. The manifolds are sized for connecting up to 5
modules in series. The cabinet contains a set of flanges, seals and screws for the con-
nection.
To connect a single module - fig. 16
• After determining on which side of the module to make the water and gas connec-
tions, connect the flanges with the joining section contained in the kit on that side
after suitably welding them to the system pipes. Make sure to correctly to fit the
seals contained in the kit.
• Connect a Ø40 pipe to the condensate drain pipe for removing the condensate pro-
duced during operation (see fig. 37).
• Fit the blind flanges contained in the kit on the opposite side of the module, inserting
the special seals.
To connect several modules in cascade - fig. 17
• Connect the first module to the system and gas pipes, as described above, but with-
out fitting the blind flanges on the opposite side to that of the connection.
• Place the second module on this side, making sure to align the connection flanges
and the condensate drain pipe. Insert the seals contained in the kit between the
flanges of the two modules.
• Fit the bolts contained in the kit on the flanges from inside the first module, making
them come out of the flanges inside the second module. Partially tighten the nuts on
the bolts from inside the second module.
• Before tightening the nuts, make sure all the seals are correctly positioned and join
the condensate drain pipes of the two modules (see fig. 38).
• Tighten the nuts and repeat the connection operations for the following modules
(max.5).
If using a water trap
• At the end, fit the blind flanges on the last module, inserting the special seals (fig. 16
and fig. 17).
If using a direct pump
• Connect the delivery to the return on the last module (see fig. 18).