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16

alarm code is present, see the troublesho-

oting table to solve the problem;
• 

Press repeatedly the buttons 4 or 6 to 

see in real time the operation parame-

ters of the generator, one of them is 

“Water Pressure”. The charge pressu-

re, with the system cold and the stove 

off, must be between 800 and 1200 

mBar. Slowly open the filling hose on 

the pipework, water should start to 

come through the system. Allow  the 

system  to  fill,  controlling  the  pressu-

re level on the display. Close the hose 

when finished; 

•  To reduce pressure, bleed a radiator 

or drain some water out of the system 

using a drain point;

•  Press SET to return to the main menu, 

press ESC to exit.

The same operations can be taken as a re-

ference to fix  small pressure drops during 

the entire life of the thermostove. After 

some working cycles of the heat genera-

tor it’s recommended to check the water 

pressure.

6.2 Before Ignition
Every time before starting the thermostove 

make sure that:

• 

The pellet hopper is full;

• 

The combustion chamber and the bur-

ner are clean, the burner perfectly fits 

in place (if there is no self-cleaning 

burner);

• 

The ash pan and the inspection box are 

in their place and well-screwed;

• 

The tecnical door and the glass door 

are closed.

After having chosen the heating system 

configuration, set the temperatures in the 

menu “Thermostats”. Press once the key 

“Set”, use the arrows key to scroll to the 

menu “Thermostats”.  Set the temperatu-

re in the heating system in the submenu 

“Boiler”. If the buffer tank is installed, set 

the domestic hot water temperature in the 

submenu “Buffer tank”. Completed the 

settings, press and hold the ON button to 

start.
6.3 Ignition 
Press and hold the power botton until  the 

signal “Check Up” appears on the display. In 

this phase the thermostove carries out au-

tomatic cleaning (if present on the model), 

components and security test and draft 

checking. Completed the test phase, on 

the display will appear “Ignition” (“PA1”). 

The pellet starts falling in the burner and in 

few minutes the flame appears.  Once the 

flame is present, the display shows  “PB”,  

which means stabilisation of the flame,  at 

the end of this phase the message “Nor-

mal” will appear on the display. The opera-

tion power varies automatically from “P1” 

to “P6” basing on the water temperature in 

the heating system.

7. Maintenance

 

To ensure smooth operation and maintain 

high performance, clean the boiler/thermo-

stove regularly. The frequency of cleaning 

is determined by the length of time the boi-

ler has been running and by the type of 

pellet. (The poorer the quality of the fuel, 

the more frequently will intervention be ne-

cessary for cleaning.)

Protect the floor from ash before cleaning 

the boiler/thermostove.

Faulty  boiler/thermostove  and  flue 

pipe maintenance can alternate pro-

per functioning and void the warran-

ty, with the manufacturer declining 

all related liability;

Maintenance should be performed 

only on a boiler/thermostove shut 

down and cooled;

Don’t clean the glass when it is hot.

7.1 Automatic Burn Pot Cleaning 

 

In the models with Automatic Brasier Cle-

aner the combustion residues are conveyd 

into the ash box automatically during the 

ignition phase (fig. 17).

fig. 17 - Self-cleanin burner

Summary of Contents for FIT C 4-15

Page 1: ...luenth2 0 F INSTALLATION AND OPERATION MANUAL...

Page 2: ...y and sustainability of each model according to the most stringent European standards regulating emissions and safety In order to get the best performance please read carefully this manual before usin...

Page 3: ...uality of pellets used Please use pellets that meet requirements of the standard ISO 17225 2 class A1 To ensure good combustion pellets must be stored in an area that is free of humi dity ATTENTION Th...

Page 4: ...ible after installation of the appliance The power cable must not be in contact with hot parts Do not pull twist or disconnect the elec tric cables of the boiler thermostove even if power supply is di...

Page 5: ...n Heating system booklet Documentation for the installation The technical documentation includes Reference to the current standards Manufacturers installation indications A rough description or scheme...

Page 6: ...e length is 3 meters with an upward slope of 3 Flue gasses discharge on the wall is not permitted by current regulations Failure to comply can lead to the ter mination of the guarantee and of the manu...

Page 7: ...section fig 5 Existing Flue Models Yncas fig 6 These models need careful planning at an early stage of the installation process Po sition the appliance bearing in mind all the instructions and conside...

Page 8: ...tem Compliance Certificate must be issued under the responsi bility of the installer Please follow up local regulations and directives es regional building regulations requirements for hea ting device...

Page 9: ...sheme on fig 11 the generator is connected to an external vessel The mo therboard manages both the boiler and the buffer Set the temperature required in the buffer tank The boiler heats the water in...

Page 10: ...in Check Up phase Cleaning A careful cleaning of the hea ter is necessary Appears au tomatically after some hours of work Block state name The message appears if the appliance was shut down not manual...

Page 11: ...oiler With the climatic function enabled the value can t be modified manually it s regulated by the heater according to the outside temperature Buffer tank The menu is for setting the temperature in t...

Page 12: ...day Friday Mon Fri Sat Sun Night Mode In this menu can be set the time slot for Night Mode the reduced operation mode The programming is similar to the one described in the Chrono Mode To program the...

Page 13: ...Enabled ON OFF Boiler thermostat set manually Comfort is available only with the Climatic function enabled It gives the possibility to modify the ther mostat temperature in the range 20 C The Comfort...

Page 14: ...ode Once the automatic power is enabled all the menus of the combustion settings will no longer be visible Loading the menu is for autimatic pellet loading It will stops automatically after 300 second...

Page 15: ...tion Illustrate how to turn on and off theap pliance and adjust water temperature through the User Menu Demonstrate where and how to fill the ap pliance with fuel and advise of the correct quality of...

Page 16: ...installed set the domestic hot water temperature in the submenu Buffer tank Completed the settings press and hold the ON button to start 6 3 Ignition Press and hold the power botton until the signal...

Page 17: ...s intervention 7 4 Exchanger Manual Cleaning Remove the butterfly screw pull and push intensively several times the grate of exchanger cleaner fig 19 This operation should be performed each three days...

Page 18: ...eline cleaning Exhaust fan base cleaning Motherboard cleaning Floor protection cleaning Hot air tangential fan cleaning Ignition resistance Burning pot s integrity Gearmotor integrity Expansion vessel...

Page 19: ...p is blocked Shut off valves are closed If domestic hot water kit is installed and the display shows false hot water re quest contact Technical Support The temperature in the hopper is too high To tur...

Page 20: ...pection compartment where the exhaust fan is situated Inspect the chimney Er07 Er08 Incorrect operation of exhaust fan or control panel Contact Customer Support in your area Er09 Low water pression Co...

Page 21: ...e Only authorized Ungaro personnel may ac cess to the electrical or mecanical parts of the appliance Contact your retail shop with questions regarding installation operation or service 10 1 Technical...

Page 22: ...3 Documents to ask to Authorized Technician At the end of intervention the technician will give 1 Service Log signed 2 Invoice for the used spare parts for out of warranty interventions fig 24 Serial...

Page 23: ...19 3 23 1 Min kW 6 5 8 6 5 8 3 6 2 4 9 6 5 4 4 6 6 Efficiency P Max 91 5 90 90 5 90 5 93 91 8 91 5 91 2 92 5 93 P Min 94 95 5 95 5 95 95 1 96 6 94 90 6 90 6 93 Power to water P Max kW 19 5 24 19 5 28...

Page 24: ...A1 4 15 4 20 4 25 kW 580 60 entrata aria ritorno impianto 3 4 1300 calda sanitaria 1 2 fredda sanitaria 1 2 560 80 100 uscita fumi 104 259 322 5 197 8 64 8 64 8 115 99 2 mandata impianto 3 4 valvola...

Page 25: ...s Classic FIT CS X 4 15 4 20 4 25 kW 139 110 5 183 151 865 1220 28 280 483 4 82 1 418 5 43 451 9 138 5 322 5 475 5 65 115 65 134 7 AQA F CS 4 15 4 20 4 25 kW AQA F Plus 6 24 kw MAIA F PLUS 6 24 kW A B...

Page 26: ...fumi 581 1120 1206 5 104 65 65 115 99 110 198 169 259 257 148 322 5 AQA X 6 24 8 30 kW 60 Entrata aria 80 Uscita fumi 3 4 Mandata impianto 1 2 Calda sanitaria 1 2 Fredda sanitaria 3 4 Ritorno impianto...

Page 27: ...30 620 600 1120 A B C D 144 349 153 129 148 275 163 Fit I 6 24 kW Uscita fumi 100 Uscita fumi 100 Entrata aria 60 82 82 80 Smoke Exhaust 60 Air inlet 3 4 Heating Flow 3 4 Heating return 100 Smoke Exh...

Page 28: ...28 YNCAS L 6 24 kW 871 5 758 899 776 135 81 100 caduta pellet 100 uscita fumi 326 182 5 60 entrata aria 43 250 100 145 280 620 620 100 Smoke Exhaust 100 Pellet hopper 60 Air inlet...

Page 29: ...29 INSTALLATION AND OPERATION MANUAL Kucina 5 20 600 890 950 110 170 604 97 5 65 115 65 147 208 C E F D 600 605 9 86 120 A B...

Page 30: ...c glass painted fini shes and other external finishes The Customer is in charge of eventual costs re pair transport arising from improper exercise of warranty rights Ungaro S r l is not responsible fo...

Page 31: ...uch data available to a data processor under the terms and conditions set out by the Personal Data Protection Act I acknowledge my right to access the personal data edit it and to withdraw this consen...

Page 32: ...0 SAN MANGO D AQUINO CZ Italy Tel 39 0968 926838 Tel 39 0968 96484 Fax 39 0968 926635 www caldoungaro it Under no circumstances shall Ungaro S r l assume liability for imprecise contents or eventual e...

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