installation Mounting the Appliance After removing the boiler from its packaging, remove the template from the box. Note: Pay particular attention to any test water that may spill from the appliance. Place the template in the position the appliance is to be mounted and after ensuring it is hanging squarely, use it to drill the holes for the hanging bracket and flue pipe(s) NB: For further information relating to the flue installation please refer to Flue Installation - page 13. (If the appliance is to be fitted on a wall of combustible material, the wall must be protected by a sheet of fireproof material). If the appliance is to be fitted into a timber framed building, guidance should be sought from the Institute of Gas Engineers document Ref: IGE/UP/7. 195 105 ø80 120 ø80 120 ø100 ø80 250 90 Drill the wall and plug using those supplied with the connections kit, position the hanging bracket and secure with the wall bolts supplied, assembl the connection kit and secure to the wall. Position the appliance on the hanging bracket and connect the valves to the boiler connections. (see also Gas Connections, Water Connections - page 11). 330 Electrical Connection For safety purposes, have a competent person carefully check the electrical system in the property, as the manufacturer will not be held liable for damage caused by the failure to earth the appliance properly or by anomalies in the supply of power. Make sure that the residential electrical system is adequate for the maximum power absorbed by the unit, which is indicated on the rating plate. In addition, check that the section of cabling is appropriate for the power absorbed by the boiler. 770 725 195 105 ø 80 + ø 80 ø 60/100 - ø 80/125 120 180 180 105 580 830 The boiler operates with alternating current, as indicated in the Technical Information tables on pages 6 and 7, where the maximum absorbed power is also indicated. Make sure that the connections for the neutral and live wires correspond to the indications in the diagram. The appliance electrical connections are situated on the reverse of the control panel. 50 65 150 315 300 67 67 65 315 150 20 Important! In the event that the power supply cord must be changed, replace it with one with the same specifications. Note: The diagrams for the electrical system and external wiring configurations can be found on pages ?? and ??. 3/4" 1/2" 3/4" 1/2" 3/4" 400 Fig. 7 Should external controls be required, the design of the external electrical circuits should be undertaken by a competent person. Warning, this appliance must be earthed. External wiring to the appliance must be carried out by a competent person and be in accordance with the current I.E.E. Regulations and applicable local regulations. The appliance is supplied with a fly-lead already connected, this must be connected to a 240v supply fused at 3A and must facilitate complete 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. The point of connection to the Electricity supply must be readily accessible and adjacent to the appliance unless the appliance is installed in a bathroom when this must be sited outside the bathroom. 10
installation CLAS 24/30 FF Gas Connection The local gas region contractor connects the gas meter to the service pipe. If the gas supply for the boiler serves other appliances ensure that an adequate supply is available both to the boiler and the other appliances when they are in use at the same time. Pipe work must be of an adequate size. Pipes of a smaller size than the boiler inlet connection must not be used. Water Connections View of the Boiler Connections A F B C D E H CLAS SYSTEM 21/28 FF F A C E H Fig. 8 Legend: A = Central Heating Flow B = Domestic Hot Water Outlet C = Gas Inlet D = Domestic Cold Water Inlet E = Central Heating Return F = Safety Valve Outlet H = Drain valve Central Heating Detailed recommendations are given in BS 6798:1987 and BS 5449-1:1990, the following notes are given for general guidance. Pipe Work: Copper tubing to BS EN 1057:1996 is recommended for water pipes. Jointing should be either with capillary soldered or compression fittings. Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps. The appliance has a built-in automatic air release valve, however it should be ensured as far as possible that the appliance heat exchanger is not a natural c ollecting point for air. Except where providing useful heat, pipes should be insulated to prevent heat loss and avoid freezing. Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors. By-pass: The appliance includes an automatic by-pass valve, which protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system, due to the closing of thermostatic valves or radiators. System Design: This boiler is suitable only for sealed systems. Drain Cocks: These must be located in accessible positions to permit the draining of the whole system and should be fitted at all low points. The taps must be at least 15mm nominal size and manufactured in accordance with BS 2870:1980. 11
installation Mounting the Appliance After removing the boiler from its packaging, remove the template from the box. Note: Pay particular attention to any test water that may spill from the appliance. Place the template in the position the appliance is to be mounted and after ensuring it is hanging squarely, use it to drill the holes for the hanging bracket and flue pipe(s) NB: For further information relating to the flue installation please refer to Flue Installation - page 13. (If the appliance is to be fitted on a wall of combustible material, the wall must be protected by a sheet of fireproof material). If the appliance is to be fitted into a timber framed building, guidance should be sought from the Institute of Gas Engineers document Ref: IGE/UP/7. 195 105 ø80 120 ø80 120 ø100 ø80 250 90 Drill the wall and plug using those supplied with the connections kit, position the hanging bracket and secure with the wall bolts supplied, assembl the connection kit and secure to the wall. Position the appliance on the hanging bracket and connect the valves to the boiler connections. (see also Gas Connections, Water Connections - page 11). 330 Electrical Connection For safety purposes, have a competent person carefully check the electrical system in the property, as the manufacturer will not be held liable for damage caused by the failure to earth the appliance properly or by anomalies in the supply of power. Make sure that the residential electrical system is adequate for the maximum power absorbed by the unit, which is indicated on the rating plate. In addition, check that the section of cabling is appropriate for the power absorbed by the boiler. 770 725 195 105 ø 80 + ø 80 ø 60/100 - ø 80/125 120 180 180 105 580 830 The boiler operates with alternating current, as indicated in the Technical Information tables on pages 6 and 7, where the maximum absorbed power is also indicated. Make sure that the connections for the neutral and live wires correspond to the indications in the diagram. The appliance electrical connections are situated on the reverse of the control panel. 50 65 150 315 300 67 67 65 315 150 20 Important! In the event that the power supply cord must be changed, replace it with one with the same specifications. Note: The diagrams for the electrical system and external wiring configurations can be found on pages ?? and ??. 3/4" 1/2" 3/4" 1/2" 3/4" 400 Fig. 7 Should external controls be required, the design of the external electrical circuits should be undertaken by a competent person. Warning, this appliance must be earthed. External wiring to the appliance must be carried out by a competent person and be in accordance with the current I.E.E. Regulations and applicable local regulations. The appliance is supplied with a fly-lead already connected, this must be connected to a 240v supply fused at 3A and must facilitate complete 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. The point of connection to the Electricity supply must be readily accessible and adjacent to the appliance unless the appliance is installed in a bathroom when this must be sited outside the bathroom. 10
installation CLAS 24/30 FF Gas Connection The local gas region contractor connects the gas meter to the service pipe. If the gas supply for the boiler serves other appliances ensure that an adequate supply is available both to the boiler and the other appliances when they are in use at the same time. Pipe work must be of an adequate size. Pipes of a smaller size than the boiler inlet connection must not be used. Water Connections View of the Boiler Connections A F B C D E H CLAS SYSTEM 21/28 FF F A C E H Fig. 8 Legend: A = Central Heating Flow B = Domestic Hot Water Outlet C = Gas Inlet D = Domestic Cold Water Inlet E = Central Heating Return F = Safety Valve Outlet H = Drain valve Central Heating Detailed recommendations are given in BS 6798:1987 and BS 5449-1:1990, the following notes are given for general guidance. Pipe Work: Copper tubing to BS EN 1057:1996 is recommended for water pipes. Jointing should be either with capillary soldered or compression fittings. Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps. The appliance has a built-in automatic air release valve, however it should be ensured as far as possible that the appliance heat exchanger is not a natural c ollecting point for air. Except where providing useful heat, pipes should be insulated to prevent heat loss and avoid freezing. Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors. By-pass: The appliance includes an automatic by-pass valve, which protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system, due to the closing of thermostatic valves or radiators. System Design: This boiler is suitable only for sealed systems. Drain Cocks: These must be located in accessible positions to permit the draining of the whole system and should be fitted at all low points. The taps must be at least 15mm nominal size and manufactured in accordance with BS 2870:1980. 11
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