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Summary of Contents for Ferroli Rendimax 16 EL CE
- Page 1 S.p.A. RENDIMAX EL CE GAS-FIRED CAST-IRON BOILERS WITH ELECTRONIC IGNITION AND FLAME RECTIFICATION MONITORING INSTALLATION AND MAINTENANCE INSTRUCTIONS...
- Page 2 S.p.A. 1. DESCRIPTION 1.01 Introduction RENDIMAX EL CE boilers are heat generators for central heating and domestic hot water production with electronic injection. The standard version is designed to work with natural gas. To use the boiler with L.P.G., on-site conversion must be carried out following the instructions given below.
- Page 3 S.p.A. 2.02 Components description View with open door Fig. 2 1 Boiler thermostat 2 Boiler temperature / pressure gauge 3 Flue thermostat 4 Gas valve 5 Circulation pump (only PV version) 6 Boiler drain cock 7 Spark/ionistation electrodes 8 Control panel 9 Gas-manifold 10 Boiler main switch 11 Filling cock (PV version)
- Page 4 2.03 Technical data (Max. working temperature 100 Heat output Heat rate Section Boiler Rated Adjiustable up to: Rated Min. kcal/h kcal/h kcal/h kcal/h Rendimax 16 EL CE 16,2 14.000 11,0 9.500 18,0 15.500 12,7 11.000 Rendimax 23 EL CE 23,0 19.800 16,0 13.800...
- Page 5 S.p.A. 3. INSTALLATION Installation must be carried out by specialist companies only in accordance with all instructions and current regulations. You are advised to include gate valves between the boiler and the C.H. system so that the boiler can be isolated from the system if necessary. Notes: If the path followed by the C.H.
- Page 6 S.p.A. ELECTRICAL DIAGRAM WITH HONEYWELL S 4561A 1015 PCB BASIC ELECTRICAL WIRING DIAGRAM 230V 50Hz S 4561 A 1015 HONEYWELL DIAGRAM OF ELECTRICAL CONNECTION S 4561 A 1015 HONEYWELL Legenda 24 - Spark electrode 25 - Pilot burner 32 - C.H. pump (if fitted) 44 - Gas valve coil 49 - Safety thermostat 63 - Boiler thermostat...
- Page 7 S.p.A. 3.02 Checking and controlling the evacuation of combustion products (total security) The boiler is fitted with a FLUE GAS THERMOSTAT . This thermostat prevents gas from reaching the burner if the flue is not drawing properly, providing greater security and control over the discharge of combustion products.
- Page 8 S.p.A. 3.05 C.H. pump head characteristics (only P.V. version)(Fig. 5b) Fig. 5b NB - The diagram refers to maximum pump flow rate. (Fig. 5a pos. 3). 4. STARTUP AND SHUTDOWN 4.01 Checks to be carried out at first startup It is good practice to check the following at first startup: that the cutoff valves between the boiler and heating system are open;...
- Page 9 S.p.A. Note: If after having closely followed the startup procedure the burners fail to light and the reset button warning light on the electronic control unit is lit, it means that the board has locked out and you should wait about 15 seconds before pressing the reset button. After resetting, the board repeats the startup cycle.
- Page 10 S.p.A. 4.06 Vanne gas HONEYWELL VR 4605 CA Ø 1/2" (fig. 6) DECREASE INCREASE VIEW OF PRESSURE REGULATOR Fig. 6 1. gas valve operator connectors 2. gas valve operator connectors Outlet pressure test point Inlet pressure test point Main burner adjustment screw 4.07 Gas consumption The rated gas flow is shown on the technical-table at pag.
- Page 11 S.p.A. 5. GAS CONVERSION The following adjustment and conversion operations must be carried out by qualified personnel only. Standard the boilers are calibrated for N.G. 5.01 Conversion from Natural Gas G20 to L.P.G. G31 To convert from Natural gas to L.P.G. replace injectors andtight the screw of pressure regulator 5 (fig.
- Page 12 S.p.A. 5.04 Heat output variability characteristics To adjust furnace heat input, simply regulate the main burner via the gas valve (fig. 6). This in turn varies the heat output to the C.H. water. The diagrams in Fig. 8a and 8b show the variations in heat output to the water in relation to variations in burner working pressure.
- Page 13 S.p.A. 6. MAINTENANCE AND CLEANING The following operations must be carried out by qualified personnel only. The boiler requires no particular maintenance other than general control of boiler and chimney once a year.Each three years the at the end of heating season boiler burner and chimney has to be cleaned.
- Page 14 S.p.A. 6.03 Cleaning the boiler and burner To clean the boiler and burner , proceed as follows: a) turn off the gas and the electricity supply upstream of the boiler. b) take out the boiler cover and the draft diverter cover (fig.10). c) disconnect the electric power supply cable to the valve.
- Page 15 S.p.A. INJECTOR JOINT Fig. 11...
- Page 16 S.p.A. 7. FAULT FINDING Fault Cause and Corrective Action After a few startup attempts, Check that the gas flow to the boiler is normal the electronic control unit fails to and that air in the pipes has been removed. ignite the boiler Check that the electrodes are in their correct posi- tion and free from scales.
- Page 17 S.p.A. Replace the thermostat . with too high a temperature difference Check that the boiler is not running at too low a tem- Boiler forms condensate perature. Check that gas consumption is normal. Make sure the burner flame is well adjusted. Boiler becomes dirty quickly Check that the burner flame is adjusted properly and that gas consumption is in proportion to the boiler...
- Page 20 37047 SAN BONIFACIO - VR - ITALY tel. 045/6139411 - tlx. 480172 S.p.A. fax 045/6100233-6100933...
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