Ideal Boilers isar m30100 Installation And Servicing

23INSTALLATIONisar - Installation and Servicing30 ELECTRICAL CONNECTIONSWiring should be 3 core PVC insulated cable, not lessthan 0.75 mm 2 (24 x 0.2mm), and to BS 6500 Table 16.For IE reference should be made to the current ETCIrules for electrical installations.Connection must be made in a way that allowscomplete isolation of the electrical supply such as adouble pole switch having a 3mm (1/8") contactseparation in both poles, or a plug and socket, servingonly the boiler and system controls. The means ofisolation must be accessible to the user afterinstallation.WARNING. This appliance MUST be earthed.A mains supply of 230 V ~ 50 Hz is required.The fuse rating should be 3A. All external controls and wiringmust be suitable for mains voltage.Wiring external to the boiler MUST be in accordance with thecurrent I.E.E. (BS.7671) Wiring Regulations and any localregulations.1. Route the mains cable into the bottom rear centre ofthe boiler.2. Wire the permanent live supply into the 5-wayremote plug terminals, L3, N & .IMPORTANT.A permanent live is ESSENTIAL in order for theadvanced diagnostic controls to function correctly.31 INTERNAL WIRING3. Wire any switched live supply into L2 or connect L1 and L2via external control switching as shown in Frame 32. Ineither case remove the wire link fitted to L1 to L2.4. Secure the mains lead with the cable clamp.5. Connect the mains lead connector. Ensure it is fullylocated.L3NL2L1Mains Connector(supplied in hardware pack)Socket(fixed to boiler)Remove link when connecting external programmer.Ecl2367Ecl 1542A pictorial wiring diagram is shown in Frame 33.Note.Ensure that the lengths of the current carrying conductorsare shorter than the earth conductor so that if the cableslips in its anchorage the current carrying conductorsbecome taut before the earth conductor.INSTALLATION