Ideal Boilers FF 330 Installation And Servicing

Also see for Classic FF 330: User guide

Ideal Boilers FF 330 Installation And Servicing Manual pdf 22 page image

22Classic Slimline FF - Installation & ServicingINSTALLATION37 WATER CONNECTIONS1. Remove the plastic plugs from the flow andreturn pipes.2. Make all water connections and check forwater soundness.38 ELECTRICAL CONNECTIONSWARNING. The appliance must be efficiently earthed.A mains supply of 230 V ~ 50 Hz is required.All external controls and wiring must be suitable for mains voltage.Wiring should be in 3-core PVC insulated & sheathed cable, notless than 0.75mm2 (24 x 0.2mm) to BS. 6500 Table 16 WiringRegulations and local regulations. For IE reference should bemade to the current ETCI rules for electrical installations.Connection must be made in a way that allows complete isolationof the electrical supply - such as a double pole switch, having a3mm (1/8") contact separation in both poles or a plug and socket,serving only the boiler and system controls. The means of isolationmust be accessible to the user after installation.36 GAS CONNECTION39 EXTERNAL CONTROLSExternal wiring must be in accordance with the current I.E.E.(BS 7671) Wiring Regulations. For Ireland reference shouldbe made to the current ETCI rules for electrical installations.The wiring diagrams illustrated in Frames 41-43 cover thesystems most likely to be fitted to this appliance.For wiring external controls to the Classic FF boiler,reference should be made to the system wiring diagramssupplied by the relevant manufacturer, in conjunction withthe wiring diagrams shown in Frames 41-43.Difficulty in wiring should not arise, providing the followingdirections are observed:1. Controls that switch the system on or off, e.g. a timeswitch, must be wired, in series, in the live mains lead tothe boiler.2. Controls that override an on/off control, e.g. frostthermostat, must be wired into the mains lead, in parallel,with the control(s) to be overridden. Refer to Frame 43.3. If a proprietary system is used, follow the instructionssupplied by the manufacturer.4. System designs featuring controls or wiringarrangements which allow the boiler to fire when there isno pump circulation taking place should not be fitted.Advice on required modifications to the wiring may beobtained from the component manufacturers.Notes.1.Connection between a frost thermostat and the timecontrol should be made without disturbing other wiring.2.A frost thermostat should be sited in a cool place in thehouse, but where it can sense heat from the system.Refer to 'Gas Supply ', page 7.Refer to Frame 2 for gas inlet service dimensions.A minimum pressure of 20 mbar MUST be available at the boiler inletwith the boiler operating. The main gas cock is on the left hand side ofthe gas control valve, as shown. To facilitate connection the gas cockmay be removed from the gas control valve.Flow wiring diagram1. Remove the control box securing screw (M4 pozi). Pull thebox forward to disengage. Refer to Frame 58.2. Route the mains cable through the grommet in the plateof the control box.3. Remove the screw and release the mains connectionplate. Unscrew the cable clamp screws and remove theclamp.4. Connect the mains cable wires to the terminal strip.5. Assemble in reverse order.6. Replace the control box and fasten to the controlssupport.LEGENDb bluebk blackbr browngy greyor orangepk pinkr redv violetw whitey/g yellow/greenINSTALLATION