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EN
1. GENERAL INFORMATION
•
Read the warnings in this instruction booklet carefully since they provide important
information on safe installation, use and maintenance.
•
This instruction booklet is an integral and essential part of the product and must be
kept with care by the user for future reference.
•
If the unit is sold or transferred to another owner or if it is to be moved, always make
sure the booklet stays with 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 person-
nel, according to current regulations and the manufacturer's instructions.
•
Incorrect installation or inadequate maintenance can result in damage or injury. The
manufacturer declines any liability for damage caused by errors in installation and
use or by failure to follow the instructions provided.
•
Before carrying out any cleaning or maintenance operation, disconnect the unit from
the power supply using the system switch and/or the special cut-off devices.
•
In case of a fault and/or poor operation, deactivate the unit and do not try to repair
it or directly intervene. Contact professionally qualified personnel. Any repair/re-
placement of the products must only be carried out by qualified personnel using gen-
uine parts. Failure to comply with the above can compromise the safety of the unit.
•
Periodic maintenance performed by qualified personnel is essential in order to en-
sure proper operation of the unit.
•
This unit must only be used for its intended purpose. Any other use is deemed im-
proper and therefore hazardous.
•
After unpacking, check the good condition of the contents. The packing materials
are potentially hazardous and must not be left within the reach of children.
•
The unit can be used by children aged at least 8 years and by persons with reduced
physical, sensory or mental capabilities, or lacking experience or the necessary
knowledge, only if under supervision or they have received instructions on its safe
use and the related risks. Children must not play with the unit. Cleaning and main-
tenance intended to be done by the user can be carried out by children aged at least
8 years only if under supervision.
•
In case of doubt, do not use the unit. Contact the supplier.
•
The unit and its accessories must be appropriately disposed of in compliance with
current regulations.
•
The images given in this manual are a simplified representation of the product. In
this representation there may be slight and insignificant differences with respect to
the product supplied.
THE CE MARKING CERTIFIES THAT THE PRODUCTS MEET THE ESSENTIAL REQUIREMENTS
OF THE RELEVANT DIRECTIVES IN FORCE.
THE DECLARATION OF CONFORMITY MAY BE REQUESTED FROM THE MANUFACTURER.
2. OPERATING INSTRUCTIONS
2.1 Introduction
Dear Customer,
Thank you for choosing PEGASUS 56, a floor-standing boiler FERROLI featuring ad-
vanced design, cutting-edge technology, high reliability and quality construction. Please
read this manual carefully and keep it for future reference.
PEGASUS 56 is a high-efficiency heat generator for central heating using natural gas or
liquefied gas (configurable at the time of installation) and regulated by an advanced elec-
tronic control system.
The boiler shell consists of cast-iron elements whose particular shape guarantees high
exchange efficiency under all operating conditions and an open-flue burner equipped
with electronic ignition and ionization flame control.
The boiler is also equipped with a temperature limiter (safety thermostat) and a fume
evacuation control device (fume thermostat).
Thanks to the electronic flame control and ignition system, boiler operation is mostly au-
tomatic.
The user only has to set the temperature required inside the home (by means of the op-
tional room thermostat, whose installation is recommended) or adjust the temperature of
the system.
28
EN
2.2 Control panel
Key
1
Thermostatic Controller arrangement
2
Boiler pressure/temperature gauge
3
Fume thermostat cover
4
Flame controller reset button with shutdown indicator
5
Boiler control thermostat
6
0-1-Test switch
7
Automatic reset safety thermostat (inside the panel)
2.3 Turning on and off
Lighting
•
Open the gas cock ahead of the boiler
•
Turn on the switch or insert the plug (if present) ahead of the boiler
•
Turn the main switch "6" to position 1 (fig. 46).
•
Turn the knob "5" to the selected temperature and that of the room thermostat (if
present) to the required temperature value. The burner will light and the boiler be-
gins to function automatically, controlled by its adjustment and safety devices.
•
If the boiler is equipped with an electronic thermostatic controller fitted in position 1
of fig. 46, the user must also take into account the manufacturer's instructions.
If the burners do not light and the pushbutton-shutdown indicator 4 comes on
A
after correctly carrying out the lighting procedures, wait about 15 seconds and
then press the above pushbutton. The reset controller will repeat the lighting cy-
cle. If the burners do not light even after several attempts, contact an authorised
service centre or qualified personnel.
Turning off
Close the gas cock ahead of the boiler, turn knob "6" to 0 and disconnect the power to
the unit.
To avoid damage caused by freezing during
B
long idle periods in winter, it is advisable to
drain all water from the boiler and system; or
add a suitable antifreeze to the heating sys-
tem.
The boiler switch 6 has 3 positions "0-1-
TEST"; the first two have the on-off function,
the third (unstable) must only be used for
service and maintenance purposes.
2.4 Adjustments
System temperature adjustment
Turn the knob 5 of fig. 46 clockwise to increase the heating water temperature, or anti-
clockwise to decrease the temperature. The temperature can be varied from a minimum
of 30°C to a maximum of 90°C. However, it is advisable not to operate the boiler below
45°C.
Room temperature adjustment (with optional room thermostat)
Using the room thermostat, set the required room temperature. Controlled by the room
thermostat, the boiler lights and brings the system water to the temperature set by boiler
control thermostat 5 of fig. 46. The generator turns off when the required temperature in
the rooms is reached.
If the room thermostat is not present, the boiler will keep the system at the temperature
set by the boiler control thermostat.
Water system pressure adjustment
The filling pressure with system cold, read on the boiler water gauge detail 2 of fig. 46,
must be approx. 1.0 bar. If, during operation, the system pressure falls (due to the evap-
oration of gases dissolved in the water) to values below the minimum described above,
the User must bring it to the initial value by operating the filling cock. At the end of the
operation always close the filling cock.
2.5 Maintenance
The user must have the heating system serviced by qualified personnel at least once a
year and combustion checked at least every two years. Consult sec. 19.3 of this manual
for more information.
The boiler casing, panel and aesthetic parts can be cleaned with a damp soft cloth, if nec-
essary soaked in soapy water. Do not use abrasive detergents and solvents.
cod. 3540S424 - Rev. 00 - 10/2020
PEGASUS 56
1
2
3
fig. 1 - Control panel
4
5
6
7
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