Ferroli ROMA 55 FF Installation And Servicing Instructions
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Ferroli ROMA 55 FF Installation And Servicing Instructions

Ferroli ROMA 55 FF Installation And Servicing Instructions

Wall mounted, fanned flue boiler
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Installer ________________________
Service Engineer _________________
°
Serial N
________________________
These Instructions are to be left with the User or adjacent to the gas meter.
FERROLI
WALL MOUNTED,
FANNED FLUE BOILER
ROMA 55 FF
INSTALLATION
& SERVICING
INSTRUCTIONS
G.C. Appliance No. 4126705
Please read these Instructions
thoroughly before using
the appliance
FERROLI HELPINE
FOR SERVICE INFORMATION OR
HELP TELEPHONE: 08707 282 885
ALWAYS QUOTE SERIAL NUMBER
FOR IMMEDIATE ASSISTANCE

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  • Page 1 ROMA 55 FF FERROLI WALL MOUNTED, FANNED FLUE BOILER INSTALLATION & SERVICING INSTRUCTIONS G.C. Appliance No. 4126705 Please read these Instructions thoroughly before using the appliance Phone numbers: FERROLI HELPINE FOR SERVICE INFORMATION OR HELP TELEPHONE: 08707 282 885 Installer ________________________...
  • Page 2 ROMA 55 FF...

  • Page 3: Table Of Contents

    ROMA 55 FF LIST OF CONTENTS 14.4 Prepare the flue and air pipes General description and information Technical data 14.5 Mouting the boiler Boiler flow diagram 14.6 Connections services Key boiler flow diagram Commissioning Installation data Fault finding 5.01 Water systems 16.1 Fault finding...

  • Page 4: General Description And Information

    3. To avoid the possibility of injury, care must be taken when handling sheet metal componets. 1.2 General description The ROMA 55 FF is a wall mounted fanned flue boiler, sultable for connection to sealed or open vented water systems, supplying central heating and/or indirect (stored) domestic hot water.

  • Page 5: Technical Data

    ROMA 55 FF 2. Technical data MAXIMUN OF RANGE MINIMUM OF RANGE HEAT INPUT 20 KW 68,200 Btu/h 10 kW 34,100 Btu/h HEAT OUTPUT 16 KW 55,000 Btu/h 7.3 kW 25,000 Btu/h BURNER PRESSURE 12 mbar 4.7 in wg 2.4 mbar 1.0 in wg...

  • Page 6: Boiler Flow Diagram

    ROMA 55 FF 3. Boiler flow diagram...

  • Page 7: Key Boiler Flow Diagram

    ROMA 55 FF 4. Key boiler flow diagram POS. G.C. No. DESCRIPTION Q.ty Flue/air intake (side outlet) Complete fan RL 85/0034A1 3025LH 422 21a. Main injector N.G. 1.25 21b. Main injector L.P.G. 0.72 Thermocouple Complete spark electrode Pilot Copper heat exchanger...

  • Page 8: Installation Data

    5.1 Water System General 1. The ROMA 55 FF will supply central heating and, via an indirect cylinder, stored hot water. 2. All water systems must be in accordance with the Bye-Laws of the Local Water Undertaking. 3. Only fully pumped systems can be used.

  • Page 9: Sealed Systems

    ROMA 55 FF ROMA ROMA SEALED SYSTEM SEALED SYSTEM PUMP ON THE FLOW PUMP ON THE FLOW 5.3 Sealed System 1. Further guidance: BS 5449, BS 6798, BS 7074 Part 1, British Gas Publications. 2. Two typical sealed systems are shown, above.

  • Page 10: Pump Selection

    ROMA 55 FF Boiler pressure loss mbar litres/sec gal/min 5.4 Pump selection Suitable pump should be fitted taking due account of the pressure loss across the boiler. Pump to comply with BS 1394. A minimum flow rate of 6 litres/min (1.3 gal/min) is required.

  • Page 11: Flue System

    ROMA 55 FF 5.9 Flue system 1. Further guidance: BS 5440 Part 1. 2. Flue types: Fanned. Balanced, and hence appliance is room sealed. 3. Termination: Outside. Horizontal. Vertical. 4. Direction: From boiler, to rear, either side and vertical (side & vertical required optional flue turret).

  • Page 12: Terminal Position (Outside)

    ROMA 55 FF 6. Terminal position (outside) A Quinnell Barratt and Quinnell guard (part. no. C2) should be screwed to the wall centrally over the terminal, when the distance is less than 2 m above a balcony, above ground or above a flat roof to which people have access.
  • Page 13 ROMA 55 FF 7. Terminal position horizontal, seduct, u duct Standard se duct or u duct Terminal position - The terminal must be situated relative to the Seduct or U Duct as shown. Horizontal Only. Flue lengths - Two lengths are available.

  • Page 14: Location

    ROMA 55 FF 8. Location 1. Further guidance: BS 6798. 2. Not suitable for external installation. 3. Must be mounted on a suitable load bearing flat wall. 4. Combustable walls are not suitable. 5. Dimensions of the boiler. WEIGHT EMPTY...

  • Page 15: Boiler Location

    ROMA 55 FF 8.1 Boiler location Dimensions (mm) Minimum Clearances (mm)

  • Page 16: Boiler Connection

    ROMA 55 FF 9. Boiler connections Gas, Water and Electrical Front View. All Connections at rear. Side View. (with optional side flue turret) Air pipe for flue System 4" (100 mm) PLASTIC Gas Service Cock Connection 1/2" BSP FEMALE Flow...

  • Page 17: Electricity Supply And Connections

    ROMA 55 FF 10. Electricity supply and connections All electrical installation work must be carried out by a qualified electrician, and all work shall be in accordance with the current issue of the IEE wiring regulations. Supplied for use on 230 V ~ 50 Hz supply, protected by a 3 Amp fuse.

  • Page 18: Boiler Flow Diagram

    ROMA 55 FF 11. Boiler flow diagram 16. Fan 63. C.H. boiler thermostat 66. Microswitch combination gas valve 23. Thermocouple 24. Spark electrode 67. Ignition transformer 32. Pump (not fitted) 68. Control box with P.C.B. 79. Capacitor 43. Air pressure switch 46.

  • Page 19: Electrical Functional

    ROMA 55 FF 12. Electrical functional drawing 230 V ~ 50 Hz FUSE F 2A (2 Amp Fast) EXTERNAL CONTROLS PUMP RELAY RELAY COIL GAS VALVE SOLENOID RELAY LIMIT CONTROL IGNITER PRESSURE THERMOSTAT THERMOSTAT SWITCH MICROSWITCH PUMP OVERRUN 1.0 micro...

  • Page 20: Illustrated Wiring Diagram

    ROMA 55 FF 13. Illustrated wiring diagram Microswitch Ignition transformer Fan capacitor Pump Spark electrode Pump overrun 230 V Mains thermostat ~ 50 Hz Supply External Controls High limit thermostat 16. Fan 50. Heat exchanger limit thermostat 24. Spark electrode 63.

  • Page 21: Installation Procedure

    ROMA 55 FF 14. Installation procedure In most cases it will be easy and desireable to install the boiler with only the front section of the outer case and the lower cover removed. However, if it is wished to install the flue system without the boiler on the wall, the upper rear frame is easily detached from the boiler, the framed fixed to the wall, and the flue system fully assembled to the frame.

  • Page 22: Prepare The Wall

    ROMA 55 FF 14.3 Prepare the wall 1. Using the template provided decide upon the position of the boiler. 2. Mark and drill four holes 10 mm diameter 60 mm deep. 3. Insert wall plugs provided and screw in the hexagon headed screws provided into the upper holes to within about 5 mm of the wall face.

  • Page 23: Prepare The Flue And Air Pipes

    ROMA 55 FF 14.4 Prepare the flue and air pipes rear and side flue outlet 1. Measure the wall thickness, W. 2. For rear flues; cut the plastic air pipes to length: W + 125 + 100 mm including terminal;...
  • Page 24 ROMA 55 FF 14.5 Vertical flue 1. Fit the side vertical flue turret bend (facing upwards) to the upper frame, using the fibre gasket and four self tapping screws provided. Discard the rear flue socket. 2. Measure the length for the plastic air pipe vertically from the appliance turret inner stop to the base of proposed terminal position (See drawing for minimum height).

  • Page 25: Connections Services

    ROMA 55 FF 14.6 Mounting the boiler / completing the flue system Note - If access is restricted, then pre-plumb the boiler flow and return connections at this stage. 1. Lift the boiler or upper frame only if removed, and locate the upper key hole slots in the back panel over the upper mounting screws, and gently lower onto the screws.
  • Page 26 ROMA 55 FF The pump is connected as follows (3 wire electrical lead). Brown - Live Blue - Neutral Green/yellow - Earth If external controls are not required remove tha supplied 5 core electrical lead and replace with a 3 core lead to supply the permanent 230 V live supply to the appliance.

  • Page 27: Commissioning

    ROMA 55 FF 15. Commissioning Carry out preliminary electrical system checks i.e. EARTH CONTINUITY, RESISTANCE TO EARTH, SHORT CIRCUIT AND POLARITY using a suitable test meter. 1. Remove the outer case and lower cover (17.2.1 & 3). 2. Test for gas soundness up to the boiler service cock - BS 6891.
  • Page 28 ROMA 55 FF 10. Inlet pressure test point 15. Pilot adjustment screw clockwise to decrease 11. Thermostat knob 17. Adjustment screw burner pressure clockwise to 12. Electricity supply increase 18. Burner pressuretest point 13. Control valve knob 18. After 10 minutes, adjust the heat input to the required value. (Anticlockwise to decrease).
  • Page 29 ROMA 55 FF...

  • Page 30: Fault Finding

    ROMA 55 FF 16. Fault finding Carry out initial fault finding checks i.e. check that gas, water and electrical supplies are available at the boiler. Before starting, carry out preliminary electrical system checks i.e. earth continuity, resistance to earth, short circuit and polarity with a suitable test meter.
  • Page 31 ROMA 55 FF 16.1 Fault finding Pilot alight does main burner light on demand? Is there 230 V at terminals Rectify supply and N? fault Is there 20 mbar gas Check pressure at inlet to gas valve? supply Is control thermostat Check electrical functioning.

  • Page 32: Fault Finding

    ROMA 55 FF 16.2 Fault finding From previous Continue over Is fan running at low Are any external Is there 230 V at controls calling or speed? terminals L and N? heat? Replace PCB Has PCB fuse Rectify supply fault...

  • Page 33: Replacement Of Parts

    ROMA 55 FF 17. Replacement of parts 17.1 General procedures and notes 1. Replacement of parts must be out by a competent person. 2. Isolate the electrical supply and turn off the gas supply (gas service cock). 3. Upon completion always: •...

  • Page 34: Fan

    ROMA 55 FF 17.3 Fan 1. Refer to 17.1, then remove the outer and inner cases (17.2, 1 & 2). 2. Disconnect the pressure sensing tube. 3. Withdraw fan complete with collector hood then remove 4 screws. 4. Disconnect 3 electrical leads.

  • Page 35: Pilot Burner Assembly

    ROMA 55 FF 17.4 Pilot burner assembly 1. Refer to 17.1, then remove the outer and inner cases, the lower cover, and the combustion chamber front cover (17.2.1 to 4). 2. Disconnect the thermocouple and withdraw. 3. Unscrew the pilot pipe at both ends, and withdraw the pipe from the burner (the injector may fall out).

  • Page 36: Thermocouple

    ROMA 55 FF 17.5 Electrode 1. Refer to 17.1, then remove the outer and inner cases, and the combustion chamber front cover. (17.2.1, 2 & 4). 2. Disconnect the electrode lead at the PCB and remove the bush from control box. Unscrew the electrode and withdraw the lead (item 5).

  • Page 37: Main Burner/Injectors

    ROMA 55 FF 17.8 Main burner / injectors 1. Refer to 17.1, then remove the outer and inner cases, the lower cover, the combustion chamber front cover, and the control box (17.2.1 to 5). 2. Remove the pilot burner assembly (17.4.2 to 4).

  • Page 38: Pressure Switch

    ROMA 55 FF 17.12 Pressure switch Note - Any of 3 alternative pressure switches can be used (fig. section 10). 1. Refer to 17.1, then remove the outer case and lower cover (17.2.1 & 3). 2. Remove the switch complete with bracket, 1 screw.

  • Page 39: Control Box Components

    ROMA 55 FF 17.15 Control box components 1. Refer to 17.1, then remove the outer case, the lower cover and the control box (17.2.1, 3 & 5). A. CAPACITOR 2. Remove nut and washer. 3. Disconnect 2 leads. Replacement: Polarity is immaterial.

  • Page 40: Routine Servicing

    ROMA 55 FF 18. Routine servicing 18.1 General To ensure the continued, safe operation of the boiler, it is recommended that it is checked and serviced as necessary at regular intervals. Frequency will depend upon particular installation conditions and usage, but in general once a year should be adequate.
  • Page 41 ROMA 55 FF...

  • Page 42: Parts List

    ROMA 55 FF 20. Parts list POS. G.C. No. DESCRIPTION Q.ty MAKERS Part No. Flue/air intake hood side vertical outlet (opt) 3980220 372368 Complete fan RL 85/0034A1 3025LH 422 3980224 21a. 386174 Main injector N.G. 1.25 3980146 21b. 386175 Main injector L.P.G. 0.72...
  • Page 43 ROMA 55 FF...
  • Page 44 Phone numbers: Installer _________________________ Service Engineer __________________ BECAUSE OF OUR CONSTANT ENDEAVOUR FOR IMPROVEMENT DETAILS MAY VARY SLIGHTLY FROM THOSE QUOTED IN THESE INSTRUCTIONS. ALL SPECIFICATIONS SUBJECT TO CHANGE Lichfield Road, Branston Industrial Estate, Burton Upon Trent, Staffordshire DE14 3HD Tel.

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