GENERAL This manual is an integral and essential part of the product. It should be kept with the appliance User’s INFORMATION so that it can be consulted by the user and our authorised personnel. Please carefully read the instructions and notices about the unit contained in this manual, as they provide important information regarding the safe installation, use and maintenance of the product.
4 - Visual check of the combustion: clean burners if necessary. 5 - With reference to point 3, dismantle and clean the combustion chamber if nec- essary. 6 - With reference to point 4, dismantle and clean the injectors if necessary. 7 - Visual check of the primary heat exchanger: - check for overheating of the exchangers fins;...
INSTALLATION The technical information and instructions provided herein below are intended for the installer / Servicing Technician so that the unit may be installed and serviced correct- ly and safely. Delivery There will be two items: 1 - The fully assembled boiler 2 - A separately boxed connection kit Reference Standards WATER REGULATIONS...
and in the Republic of Ireland in accordance with the following Codes of Practice: I.S. 813 Domestic Gas Installations The following BS Standards give valuable information; BS 5546 Installation of hot water supplies for domestic purposes BS 5449 Forced circulation hot water systems BS 7074 Specification for expansion vessels BS 7593...
Fig. 2.1 Fig. 2.1 Overall Dimensions Legend: A = Central Heating Return (3/4”) B = Central Heating Flow (3/4”) C = Gas Inlet (3/4”) D = Domestic Hot Water Outlet (1/2”) E = Secondary return (1/2”) F = Domestic Cold Water Inlet (1/2”) Clearances In order to allow for access to the interior of the boiler for maintenance purposes, the boiler must be installed in compliance with the clear-...
plete electrical isolation of the appliance, by the use of a fused double pole isolator having a contact separation of at least 3 mm in all poles or alternatively, by means of a 3 A fused three pin plug and unswitched shuttered socket outlet both complying with BS 1363.
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Discharge pipework 1) The tundish must be installed directly below the discharge outlet connection of the boiler. The tundish must also be in a position visible to the occupants, and positioned away from any electrical devices. The discharge pipe from the tundish should termi- nate in a safe place where there is no risk to persons in the vicinity of the discharge and to be of metal.
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Air Release Points: These must be fitted at all high points where air naturally collects and must be sited to facilitate complete filling of the system. The appliance has an integral sealed expansion vessel to accommodate the increase of water value when the system is heated. It can accept up to 7 l (1.5 gal) of expansion water.
2.10 Flue Connections Flue System The provision for satisfactory flue termination must be made as described in BS 5440-1. The appliance must be installed so that the flue terminal is exposed to outdoor air. The terminal must not discharge into another room or space such as an outhouse or lean-to.
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This procedure must be done as follows: 1 - Remove the air vent intake in the area indicated in Fig. 2.9, by breaking the perforated ring. 2 - Use a tool to grasp the lid and remove it completely. 3 - Clean any burrs or sharp edges with a knife or an appropriate tool.
2.11 Room Thermostat In order to perform this procedure, remove the boiler casing as indicated in section 3.2. Then proceed as follows: Connection 1 Rotate down the control panel. 2 Open the cover “A” on the left hand side of the compartment. 3 Insert the wire for the connection of the room thermostat into the cable clamp “B”, as indicated in photo 3.
2.12 Electrical Diagram Heating D.H.W. + D.H.W. Flue Test Heating operating modes Legend: AT = High Voltage P.C.B. BT = Low Voltage P.C.B. Remote Connector Kit Flame Failure L.E.D. A01 = Air Pressure Switch Insufficient Water Pressure L.E.D. A02 = Water Temperature Indicator L.E.D.s A03 = Gas Valve...
COMMISSIONING MTS (GB) Limited support the initiative. Within the information pack you will find a copy of the logbook. It is important that this is completed in the presence of your customer, they are shown how to us it, and it is signed by them. Please instruct your customer that they must have their logbook with them whenever they contact a Initial Preparation...
Control Panel Legend: A Ignition Faliure Reset/Safety Thermostat Reset B L.E.D. for Ignition Faliure C Selector Knob for Summer/Winter/ Flue Test Modes D L.E.D. for Insufficient System Pressure E Domestic Hot Water Temperature Control F Central Heating Temperature Indicating Leds G L.E.D.
Combustion Analysis The boiler is designed to make it easy to analyse the combustion by- products. Using the especially designed apertures, readings can be taken on the temperature of the combustion by-products and of the combustion air, as well as of the concentrations of O and CO , etc.
Draining the System Draining the heating system. The heating system must be emptied as follows: - Turn off the boiler; - Open the drain valve for the system and place a container below to catch the water that comes out; - Empty the system at the lowest points (where present).
It is recommended that the following checks be made on the boiler at least MAINTENANCE once a year: 1 - Check the seals for the water connections; replacement of any faulty seals. 2 - Check the gas seals; replacement of any faulty gas seals. 3 - Visual check of the entire unit.
TECHNICAL INFORMATION GENUS 27 BFFI PLUS CE Certification 29.8/12.0 Thermal Capacity max/min kW 27.4/10.3 Thermal Power max/min kW 92.1 Efficiency of Nominal Thermal Capacity 88.8 Efficiency at 30% of Nominal Thermal Capacity Heat Loss to the Shell (∆=50°C) Flue Heat Loss with Burner Operating Flue Heat Loss with Burner Off Maximum Discharge of Fumes (methane) Kg/h...
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