Ferroli DOMIcompact F 24 B Instructions For Use, Installation And Maintenance
Wall-mounted gas fired, condensing combination boiler
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Summary of Contents for Ferroli DOMIcompact F 24 B
- Page 1 DOMIcompact F 24 B wall-mounted gas fired, condensing combination boiler INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE FOR THE UNITED KINGDOM & EIRE G C N° 47-267-37...
- Page 2 “This record must be completed and left with the end user”. Ferroli is a member of the Benchmark initiative and fully supports the aims of the programme. Benchmark has been introduced to improve the standards of installation and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency.
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Page 3: Table Of Contents
DOMIcompact F 24 B 1. Operating instructions ................4 1.1 Introduction ......................4 1.2 Control panel ......................5 1.3 Turning on and off ....................6 1.4 Adjustments ......................6 1.5 Maintenance ......................8 1.6 Faults ........................8 2. Installation ....................9 2.1 General Instructions ....................9 2.2 Boiler location .......................10 2.3 Boiler water connections ..................12... -
Page 4: Operating Instructions
Please read this manual carefully and keep it for future reference. DOMIcompact F 24 B is a high-efficiency condensing appliance for heating and hot water production running on natural or liquefied petroleum gas (configurable at the time of installation) and regulated by an advanced microprocessor control system. -
Page 5: Control Panel
DOMIcompact F 24 B 1.2 Control panel The control panel is composed of a multi-function button, two knobs and a display. 1 Heating temperature adjustment and Summer/ Winter/ switch off control 2 Hot water temperature adjustment and switch off control... -
Page 6: Turning On And Off
DOMIcompact F 24 B 1.3 Turning on and off Ignition • Open the gas isolation valve on the boiler. • Purge the air from the pipe work to the gas valve. • Turn on the 3amp electrical switch or insert the plug to the boiler. - Page 7 DOMIcompact F 24 B Switching off the boiler. Switching between summer and winter operation has priority over the heating only time control (optional) when this is connected to the boiler. C.H. temperature setting To set the system delivery temperature, turn the knob (ref. 1 - Fig. 1).
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Page 8: Maintenance
If the problem remains after two attempts at resetting, contact the Ferroli Service Centre. For other faults, refer to section 3.4 “Troubleshooting”. Before calling a Ferroli service engineer, check that the problem is not due to there being no gas or electricity, or low system pressure. -
Page 9: Installation
DOMIcompact F 24 B 2. INSTALLATION 2.1 General Instructions This device must only be used for the purpose for which it is specially designed. This unit is designed to heat water to a temperature below boiling point and must be connected to a heating system and/or a water supply system for domestic use, compatible with its performance, characteristics and its heating capacity. -
Page 10: Boiler Location
DOMIcompact F 24 B 2.2 Boiler location The boilers combustion chamber is sealed off from the installation room. The installation room must be sufficiently well ventilated to prevent any dangerous conditions from forming in the event of even slight gas leakage. This safety standard is required by the EEC Directive no. 90/396 for all gas units, including those with a so-called sealed chamber. - Page 11 DOMIcompact F 24 B Make Up Water Provision must be made for replacing water lost from the sealed system. Reference should be made to BS6798, for methods of filling and making up sealed systems. There must be no direct connection between the boiler's central heating system and the mains water supply.
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Page 12: Boiler Water Connections
DOMIcompact F 24 B 2.3 Boiler water connections The heating capacity of the unit should be previously established by calculating the building’s heat requirement according to current regulations. For efficient operation and long life of the boiler, the plumbing system must be well designed and always complete with all those accessories that guarantee regular operation and running, ie room thermostat, trv’s and automatic bypass etc . -
Page 13: Water Treatment
The connecting kits shown in fig. 7 are supplied as standard. fig. 7 Water treatment When treatment is used ferroli limited only recommend the use of proprietary Brand s , such as Fernox or Sentinel water treatment products, which must be used in accordance with the manufacturers instruc- tions, For further information contact: Fernox Manufacturing Co. -
Page 14: Connection To The Gas System
DOMIcompact F 24 B 2.4 Connection to the gas system If necessary the local Gas supplier should be consulted, at the installation planning stage, in order to establish the availability of an adequate supply of gas. An existing service pipe must not be used whitout prior consultation with the local Gas supplier. -
Page 15: Flue System
The current standards and local regulations must be observed. It should be noted that only Ferroli flue system and accessories should be used on this appliance, as per BS 5440 2000 and C.E. test certification. - Page 16 DOMIcompact F 24 B Restrictor This appliance is factory fitted with the correct restrictor for use with a standard 100mm concentric flue terminal of less than 1mtr.For different flueing applications choose the correct size restrictor from the tables below. To change the restrictor please follow the instructions below, shown in figure 9.
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Page 17: Horizontal Flue Installation
DOMIcompact F 24 B Connection with concentric flue system The unit can be connected to a concentric air/flue duct with a horizontal or vertical outlet as shown in the following drawings. Numerous accessories are available on request to meet the various installation requirements. - Page 18 DOMIcompact F 24 B 5. Connect the flue to the boiler, positioning the seals correctly. Seal the flue into the wall with silicone or sand & cement and cover with wall seals provided. Flue seals should be lubricated with a silicone type grease to prevent damage (grease not sup-...
- Page 19 3. Check that the total calculated loss is less than or equal to 55 equivalent metres, i.e. the maximum permissible for this model of boiler. For further flue options please contact FERROLI or check our comprensive flue manual. fig. 12...
- Page 20 DOMIcompact F 24 B Table of flue and accessories The stated loss values refer to genuine Ferroli flue accessories. Terminal Position...
- Page 21 DOMIcompact F 24 B Statutory mininum distances for terminai siting Pathway Opposite boundary A - minimum distance 600mm - may be a nuisance if it ‘wets’opposite boundary, crosses main pathway or condensate can drip on pathway. B - minimum distance 600mm - may be a nuisance as plume could obscure window.
- Page 22 DOMIcompact F 24 B...
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Page 23: Condensate Outlet Connection
Connection to collective flues or single flues with natural draught If you are then going to connect the DOMIcompact F 24 B boiler to a collective flue or a single flue with natural draught, the flue must be expressly designed by professionally qualified technical personnel in conformity with the standards and rules in force. -
Page 24: Condensate Discharge
DOMIcompact F 24 B Condensate discharge Where possible the condensate should discharge into an internal soil pipe or waste system. The minimum pipe diameter required is 22 mm, a trap has already been fitted to the appliance with a flexible hose to facilitate the connection to the condensate discharge pipe. -
Page 25: Service And Maintenance
All adjustment and conversion operations must be carried out by a Qualified and trained engineer such as a Ferroli Service.engineer FERROLI S.p.A. declines any responsibility for damage or physical injury caused by unqualified and unauthorised persons tampering with the device. - Page 26 DOMIcompact F 24 B Adjusting burner pressure Since this unit has flame modulation, there are two fixed pressure settings: the minimum and maximum, which must be as stated in the technical data chart according to the type of gas. • Connect a suitable pressure gauge to pressure point “B” downstream from the gas valve.,having loo- sened it first •...
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Page 27: Initial Start-Up
DOMIcompact F 24 B Adjusting the maximum heating output To adjust the heating power, set the boiler on TEST operation (see par. 3.1). Turn the heating tem- perature control knob (ref. 1 - Fig. 1) clockwise to increase the power or anticlockwise to decrease it (see pressure/power diagram Fig. -
Page 28: Maintenance
DOMIcompact F 24 B Checks during operation • Check the soundness of the gas circuit and water systems. • Check the efficiency of the flue and air-flue ducts while the boiler is working. • Check that the water is circulating properly between the boiler and the systems. - Page 29 DOMIcompact F 24 B Before carrying out any operation inside the boiler, disconnect the electrical power and isolate the gas supply. Fig. 16a Fig. 16b Fig. 16c Fig. 16d Cleaning the boiler and burner The body and burner must not be cleaned with chemical products or wire brushes. Special care must be taken over all the seals pertaining to the sealed chamber (gaskets, cable clamps, etc.).
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Page 30: Troubleshooting
DOMIcompact F 24 B 3.4 Troubleshooting Fault Diagnosis The boiler is equipped with an advanced self-diagnosis system. In the event of a fault within the boiler, the display will show the relevant code. There are faults that cause shutdown (faults from F1 to F3): in order to restore operation it requires the operator to press RESET for 1 second (ref. -
Page 31: Technical Characteristics And Data
DOMIcompact F 24 B 4 TECHNICAL CHARACTERISTICS AND DATA 4.1 Dimensions and connections Top view Heating system Flow Ø 3/4” (22mm with isolation valve fitted) Hot water outlet Ø 1/2” (15mm with isolation valve fitted) Gas inlet 1/2” (22mm with isolation valve fitted) Tap water inlet Ø... -
Page 32: General View And Main Components
DOMIcompact F 24 B 4.2 General view and main components Combustion chamber Gas inlet DHW outlet Cold water inlet CH flow CH return Safety valve Combustion chamber Gas injector manifold Burner assembly Combustion chamber insulation Copper heat exchanger for c.h. + d.h.w. -
Page 33: Hydraulic Diagram
DOMIcompact F 24 B 4.3 Hydraulic diagram Fig. 20 Combustion chamber Flow switch Gas inlet D.h.w. temperature sensor Air pressure switch DHW outlet Cold main inlet Gas valve CH flow Safety thermostat CH return Expansion vessel Heating safety valve Spark electrode... -
Page 34: Technical Data Table
DOMIcompact F 24 B 4.4 Technical data table... -
Page 35: Diagrams
DOMIcompact F 24 B 4.5 Diagrams Head available for the system = Pump speed = Pressure loss through boiler Fig. 21... -
Page 36: Time Clock
DOMIcompact F 24 B 4.6 Time Clock A 24 hour time clock is fitted to the boiler to control the central heating, this will come into operation when the selector switch “F“ is turned to the position marked “AUTO”. Slide switch: set clock - auto - set programme Display. -
Page 37: Wiring Diagram
DOMIcompact F 24 B 4.7 Wiring diagram Fig. 22... -
Page 38: Benchmark
BENCHMARK 2 6 7 Please add the first 4 digits of the Boiler serial No to complete the BENCHMARK No. GAS BOILER COMMISSIONING CHECKLIST C O L L E C T I V E M A R K... -
Page 39: Service Interval Record
SERVICE INTERVAL RECORD Service Provider. SERVICE 1 SERVICE 2 SERVICE 4 SERVICE 3 SERVICE 6 SERVICE 5 SERVICE 7 SERVICE 8 SERVICE 9 SERVICE 10 FERROLI TECHNICAL HELPLINE - 08707 282 885... - Page 40 Should you require any assistance during the installation call our Technical Service Helpline on 08707 282 885 option 1 Should you require a service engineer to visit call our service centre on 08707 282 885 option 2 (For U.K. and Northern Ireland) For EIRE only call HEATOVENT on 014508166 Phone numbers:...
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