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2.1 Technical  features

This is a floor-standing gas or oil 
boiler with a cast iron heat exchan-
ger with 3 smoke passes, working 
with oil or gas free-standing blown-
air burners. The following models 
are available:

23 with 24 kW heat output
33 with 33 kW heat output
43 with 43 kW heat output
53 with 53 kW heat output
63 with 63 kW heat output
73 with 73 kW heat output

The boilers comply with the basic 
requirements of the following EEC 
directives:
- Gas Directive 90/396/EEC of 29 
June 1990
- Thermal Efficiency Directive 
92/42 EEC of 21 May 1992
- EMC Directive 89/336/EEC of 3 
May 1989 amended by Directive 
92/31/EEC of 28 April 1992 
- European Community’s Low 
Voltage Directive 73/23/EEC of 
19 February 1973 amended by 
Directive 93/68/EEC of 22 July 
1993

and are fitted with all the safety 
features required by the applicable 
laws.

The main technical features of the 
boilers are listed below.

* High-efficiency cast iron heat 
exchanger with 3 smoke passes 
* Extra thick glass wool insulation 
(50 mm) with aluminium craft 
* Epoxy-coated zinc-plated metal 
casing
* Main switch with light
* Lights indicating power on, hea-
ting pump on, burner on, and ove-
rheating shutdown
* Heating temperature control 
(49/82°C).
* Safety thermostat (110°C)
* Wiring system with printed cir-
cuit 
* Designed for electrical connec-
tion to a heating pump
* Designed for electrical con-
nection to a low water pressure 
switch

* Designed for connection to a 
remote D.H.W. storage tank con-
trol board (optional kit) 
* Designed for connection to a cli-
mate control unit (optional kit) 
* Designed for connection to a 
control board for managing up to 
three heating areas (optional kit)
* Thermometer
* Drain cock

2 Technical features and dimensions

7

Summary of Contents for ELBA DUAL 23

Page 1: ...INSTALLATION USE AND MAINTENANCE ELBA DUAL GB IST 03 C 202 01...

Page 2: ...hank you for choosing our boilers Please read these installation and maintenance instructions with care Please note that the boiler must only be installed repaired and serviced by qualified personnel...

Page 3: ...All the packaging mate rials can be recycled and should be sent to specific waste management sites Keep the packaging out of the reach of children as it constitutes a serious hazard In the event of a...

Page 4: ...Packaging page 10 3 2 2 Choosing where to install the boiler page 10 3 2 3 Installing the boiler page 10 3 2 4 Room ventilation page 10 3 2 5 Flue gas system page 10 3 2 6 Choosing and installing the...

Page 5: ...s light is on it means the safety thermostat has cut in due to overheating and needs to be reset manually Burner light yellow E This light indicates that the burner is in operation Thermometer F The t...

Page 6: ...t a quali fied technician or an authorised Service Centre 1 2 3 Shutdown due to overhea ting If red light D comes on due to overheating it means the safety thermostat has cut in due to a recurrent mal...

Page 7: ...22 July 1993 and are fitted with all the safety features required by the applicable laws The main technical features of the boilers are listed below High efficiency cast iron heat exchanger with 3 sm...

Page 8: ...285 4 FORI M8 110 150mm 65mm 57 486 5 mm mm mm 82 5 mm 235 mm 627 mm 225 mm 65mm 82 5 mm MODEL L Flow A Return B 23 400 1 1 4 1 33 525 1 1 4 1 43 625 1 1 4 1 53 700 1 1 4 1 63 800 1 1 4 1 73 900 1 1 4...

Page 9: ...rate l h 680 950 1230 1520 1800 2150 Combustion chamber length mm 208 308 408 508 608 708 Flue gas temperature C 210 190 188 202 181 175 Flue gas flow rate Kg h 40 53 2 69 3 8 1 97 7 114 5 Working pr...

Page 10: ...allet pic 3 Pass belts or cables underneath the boiler and around the legs lift it off the pallet and place it in position on the ground Attention when lifting the boiler from the pallet hold it to pr...

Page 11: ...gs when the boi ler is running at a steady state 3 2 8 Connecting to the gas mains for boilers with gas bur ners The cross section of the gas sup ply pipe must be equal to or grea ter than that of the...

Page 12: ...Gradually open the water inlet tap and check that the relief valves in the system if there are any are working properly Close the radiator air vents as soon as water starts to come out Check on the p...

Page 13: ...Room thermostat connection Water pressure switch connection Electric feeding 3 5 2 General layout a light blue bl blue bk black br brown g grey gn green r red v purple y yellow ygn yellow green IG F...

Page 14: ...L5 Overheating light L6 Burner stop light optional MT Programming clock motor optional indicated with TIMER on the PCB TM Programming clock contact optional indicated with TIMER on the PCB PA Water pr...

Page 15: ...iler cold the boiler as a whole the burner this may also need to be reset according to the manu facturer s instructions see combu stion check boiler room ventilation grille flue gas side of the heat e...

Page 16: ...Fax 39 0365 878 576 e mail info fondital it www fondital it The MANUFACTURER reserves the right to implement any necessary and or useful variation to products without modifying fundamental characteri...

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