Table of Contents
Troubleshooting
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Summary of Contents for Ferroli Tempra 12
- Page 1 TEMPRA 12 / 18 Wall-Hung, Gas-Fired, System Boiler, for Central Heating TEMPRA 12: G.C. NO: 41-267-11 TEMPRA 18: G.C. NO: 41-267-12 INSTALLATION, MAINTENANCE AND USER INSTRUCTIONS Supplied By www.heating spares.co Tel. 0161 620 6677...
- Page 2 Certification This symbol indicates “Warning” The CE Mark attests that Ferroli gas-fired and is placed near all warnings appliances conform to the requirements regarding safety. Such provisions specified in the corresponding European must be strictly adhered to so as directives.
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Page 3: Table Of Contents
Tempra 12 / 18 1. User/operating instructions..............4 1.1 Introduction......................4 1.2 Control panel ......................5 1.3 Ignition and shut down ...................5 1.4 Setting........................6 1.5 Maintenance......................6 1.6 Troubleshooting ......................6 2. Installation ....................7 2.1 General instructions....................7 2.2 Place of installation ....................7 2.3 Water connections ....................9 2.4 Gas connection .....................10... -
Page 4: User/Operating Instructions
Please carefully read this manual and leave it with the end user. The Tempra 12/18 is a high efficiency heat generator for central heating systems, operating on natural gas or LPG. The boiler can be connected to an external hot water cylinder for the production of domestic hot water. -
Page 5: Control Panel
Tempra 12 / 18 1.2 Control panel To access the control panel, open the drop down cover. Table 1 POS. DESCRIPTION OFF/ON/RESET switch Burner on signal Central heating temperature Lock-out warning signal setting Stand-by in central heating operation (light flashing) -
Page 6: Setting
Tempra 12 / 18 1.4 Settings Summer/Winter setting and system temperature control With knob “B” Fig. 1 in the position of the symbol (Summer), the central heating function is deactivated. This is only for use with optional water control kit. With the knob “B” Fig. 1 in the position of... -
Page 7: Installation
Tempra 12 / 18 2. INSTALLATION 2.1 General instructions This appliance must only be used for the purposes it has been specifically designed for. This appliance is used to heat water to below boiling temperature at atmospheric pressure and must be connected to a central heating and/or hot warm distribution system, according to its characteristics, performance and heating capacity. -
Page 8: Fixing To The Wall
Tempra 12 / 18 Table 3 Minimum Recommended 30 mm 150 mm 150 mm 300 mm 150 mm 300 mm 15 mm > 500 mm (from opening panels) fi g. 2 fi g. 3a Fixing to the wall For Top Flue connections. -
Page 9: Water Connections
Tempra 12 / 18 2.3 Water connections The heat capacity of the appliance should be established in advance by calculating the heating requirements of the building according to the standards in force. For correct operation and long-life of the boiler, the hydraulic system must be suitably proportioned and always fitted with all the accessories that guarantee regular operation. -
Page 10: Gas Connection
Tempra 12 / 18 Water treatment if water treatment is used Ferroli Ltd recommend only the use of Fernox or Sentinel water treatment products, which must be used in accordance with the manufacturers instructions. For further information contact: VESSEL CHARGE PRESSURE (bar) Fernox Manufacturing Co. -
Page 11: Electrical Connections
Tempra 12 / 18 2.5 Electrical connections Connection to the mains power supply The boiler should be connected to a single-phase, 230 Volt-50 Hz electrical line. The electrical safety of the appliance is ensured only when the appliance is correctly connected to an effective earth system, as prescribed by the safety standards in force. - Page 12 Tempra 12 / 18 Tempra 12/18 “S” Plan Pipe layout A.A.V FERROLI TEMPRA BOILER 12/18 This Radiator must not be turned off D.H.W. Zone Valve C.H. Zone Valve Fig. 6c Wiring diagram Tempra 12/18 Junction Box 10 9 230 Vac...
- Page 13 Tempra 12 / 18 Tempra 12/18 “Y” Plan Pipe layout Auto air vent FERROLI TEMPRA Radiator used as heat sink 12/18 must not be turned off Fig. 6e Wiring diagram Tempra 12/18 Junction Box Honeywell V4073H mid position The heating system must have a bypass capable of...
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Page 14: Flue Connections
fi g. 8a fi g. 7 The Ø37 for Tempra 12 and Ø43 for Tempra 18 restrictor is fitted as standard on the boilers. Before inserting the flue gas outlet pipe, check that the correct restrictor is installed (when this needs to be used) and correctly positioned. - Page 15 Tempra 12 / 18 Connection using concentric flue For side outlet or roof outlet concentric air/flue gas pipe can be connected directly to the top of the boiler, or a special back flue outlet kit is available for Rear outlet. Numerous accessories are available upon request for the various different installation requirements.
- Page 16 Tempra 12 / 18 The total length in linear metres of the Vertical outlet concentric pipes must not exceed the maximum length indicated in the table below, considering that each bend gives rise to the reduction indicated. For example, a D= 60/100 pipe Roof terminal with 1 x 90°...
- Page 17 Tempra 12 / 18 Take off the four screws which fix the back plate on sealed chamber, remove and rotate the plate through 90° and fit it to the top of the boiler to cover the original flue outlet. Secure it in place with the four screws removed previously.
- Page 18 Tempra 12 / 18 1. Core drill 127mm hole (5"). 2. Push through the outer fl ue. 3. Gently pull back until wall seal is fl ush with the wall. Fig. 11i Fig. 11l Fig. 11m 4. Place wall plate on outer fl...
- Page 19 Tempra 12 / 18 Flue Connection using two pipe system gases The appliance may be connected to a system of separate air/flue gas pipes with wall or roof outlet, as shown in drawings 14-15 to the side. Numerous accessories are available upon request for the various different installation requirements.
- Page 20 Pipes and fittings reduction table Reduction Reduction Flue Flue Table 7 Table 8 Description Description Ø Table 9 Ø Ø The pressure drop values described refer to original Ferroli pipes and accessories. Supplied By www.heating spares.co Tel. 0161 620 6677...
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Page 21: Flue Terminal Positions
Tempra 12 / 18 Flue terminal positions D, E Fig. 14 Minimum dimensions of flue terminal positions (alltypes)(see fig. 14) Tab. 10 Balanced flues room Open flues sealed Dimensions Terminal position (kW input expressed in net) Natural Fanned Natural Fanned... -
Page 22: Service And Maintenance
All the adjustment and conversion operations must be performed by Qualified Personnel, such as personnel from the Local Customer Service Centre. FERROLI Ltd. declines all liability for damage to persons and/or things deriving from tampering with the appliance by non-authorised persons... - Page 23 Tempra 12 / 18 Adjustments on the electronic board Follow the indications shown in the figure to access the electronic board. fi g. 16a fi g. 16b Potentiometer position and functions P1 = Central heating temperature adjustment P2 = Domestic hot water temperature control...
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Page 24: Commissioning
Tempra 12 / 18 Adjusting the maximum heating output (not normally required) This adjustment may only be performed electronically using the adjustment potentiometer “P3”, starting with cold heating system. Connect a suitable pressure gauge to the pressure test point B located on the gas valve; turn the temperature control knob to the maximum value, then adjust the pressure to the value required, using the pressure-output diagram in the chapter on technical specifications. -
Page 25: Maintenance
Tempra 12 / 18 If, after correctly having performed the ignition operations, the burners do not ignite and the shut-down warning light is on, wait around 15 seconds and then turn knob “A” (Fig. 1) to the RESET position and release it. The control unit will be reset and will repeat the ignition cycle. If, after a number of attempts, the burners do not ignite, refer to the paragraph “Troubleshooting”. - Page 26 Tempra 12 / 18 Opening the casing To open the boiler casing: 1 Using a screwdriver, completely remove the 2 screws, “A” 2 Open the control panel “B” by pulling down 3 Unscrew the 2 screws “C” 4 Remove the casing “D”.
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Page 27: Replacement Of Parts
Tempra 12 / 18 3.4 Replacement of Parts Initial procedure a) The boiler is cold, electricity supply is isolated, and the gas supply is turned off at the inlet of the boiler b) For replacement of parts where water connections are broken, it will be necessary to isolate and drain either or both the central heating or domestic hot water circuits of the boiler only. - Page 28 Tempra 12 / 18 Gas valve (fig. 23) • Isolate gas and electricity supplies • Remove outer case (two screws bottom rear corners) • Remove the two securing screws and lower control panel • Disconnect electrical connections from valve ("A") •...
- Page 29 Tempra 12 / 18 Removal of burner (fig. 26) • Isolate gas and electricity supplies • Remove outer case (two screws bottom rear corners) • Remove room sealed cover • Disconnect ignition and flame rectification leads "A" • undo gas rail union "B"...
- Page 30 Tempra 12 / 18 Spark or flame detect electrode (fig. 28) • Isolate gas and electricity supply • Remove outer case (two screws bottom rear corners) • Open room sealed compartment and combustion chamber • Identify electrode from fig. 28 •...
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Page 31: Troubleshooting
Tempra 12 / 18 3.5 Troubleshooting Flow Diagram 1 Checking Power Supply-System Pressure and Anti-freeze Protection Chek the following carefully before starting • Gas supply is turned on, is adequate and purged • Electricity supply is turned on • Polarity is correct •... - Page 32 Tempra 12 / 18 Flow diagram 2 Checking Central Heating Operation Is relay RY101 Does CH pump run? switch on Put CH temperature selector to maximum Go to chart 4 Check pump Check and if wiring necessary replace Ensure external controls...
- Page 33 Tempra 12 / 18 Flow diagram 4 Checking Ignition Is LED1 light on? Is LED2 on Does sparking start without at burner? the boiler sparking Does burner light? Go to chart 4 Re-check air pressure switch Check and if necessary...
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Page 34: Characteristics And Technical Specifi Cations
Tempra 12 / 18 4. CHARACTERISTICS AND TECHNICAL SPECIFICATIONS 4.1 Dimensions and fittings TOP VIEW Central heating outlet Gas inlet Central heating inlet BOTTOM VIEW fi g. 30 Supplied By www.heating spares.co Tel. 0161 620 6677... -
Page 35: Overall View And Main Components
Tempra 12 / 18 4.2 Overall view and main components Sealed compartment Gas inlet Central heating outlet Central heating inlet Safety valve Combustion chamber Burner assembly Main nozzle Burner Combustion chamber insulation Copper heat exchanger Flue gas outlet manifold Central heating pump... -
Page 36: Hydraulic Diagram
Tempra 12 / 18 4.3 Hydraulic diagram Room sealed compartment Gas supply Central Heating fl ow outlet Central Heating return inlet Safety valve Combustion chamber Burner box Burner Copper heat exchanger Tube fl ue outlet fi g. 32 Flue collector Pump C.H. -
Page 37: Technical Data Table
Tempra 12 / 18 4.4 Technical data table Table 11 Tempra 12 Tempra 18 Output Pmax Pmin Pmax Pmin Nominal Heat Input (Net) 13,3 19,9 Nominal Heat Input (Gross) 14,8 22,1 12,0 18,0 Nominal Heat Output Gas supply Pmax Pmin... -
Page 38: Diagrams
Tempra 12 / 18 4.5 Diagrams Pressure - output diagrams (LPG) (LPG) (Natural Gas) (Natural Gas) Tempra 12 Tempra 18 fi g. 32 Discharge head available to system C.A. Tempra 12 Tempra 18 Legenda 1 - 2 - 3 = Pump switch positions Boiler pressure drop fi... -
Page 39: Wiring Diagram
Tempra 12 / 18 4.6 Wiring diagram Supplied By www.heating spares.co Tel. 0161 620 6677... - Page 40 ALL SPECIFICATIONS SUBJECT TO CHANGE Lichfi eld Road, Branston Industrial Estate, Burton Upon Trent, Staffordshire DE14 3HD Tel. 08707 282 885 - Fax 08707 282 886 Supplied By www.heating spares.co Tel. 0161 620 6677...
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