Halstead CFF80 Instructions For Use Installation And Servicing

Contents

Halstead CFF80 Instructions For Use Installation And Servicing Manual pdf 16 page image

162000225008D5 Electrical WiringMAINS INLETCONNECTOR Diagram 5.2CABLECLAMPSCREW5.1 Control Box AccessRemove control box cover by undoing the four securing screws(two on control box, two on the heat shield) and lift off, seediagram 5.1.5.2 Electrical ConnectionsWARNING. This boiler must be earthed.Take care not to damage any internal wiring.Using heat resistant (85o C) cable of at least 0.75mm2 (24/0.2mm) and of a suitable length, route as shown in diagram 5.3.Thread through the grommet at the bottom rear of the controlbox, through the cable clamp and connect to appropriateterminals. Tighten cable clamp screws, see diagram 5.2.Standard colours are, brown - live (L), blue - neutral (N) andgreen/yellow - earth .The mains cable outer insulation must not be cut back externalto the cable clamp.Make sure the cable is suitably secured.When making connections make sure that the earth conductoris made of a greater length than the current carrying conductors,so that if the cable is strained the earth conductor would be thelast to become disconnected.5.3 Pump ConnectionThe pump must be connected to the external controls.5.4 Testing - ElectricalChecks to ensure electrical safety must be carried out by acompetent person.After installation of the system, preliminary electrical systemchecks as below should be carried out.1. Test insulation resistance to earth.2. Test earth continuity and short circuit of all cables.3. Test the polarity of the mains.The installer is requested to advise and give guidance to theuser of the controls scheme used with the boiler.Replace the control box cover. Diagram 5.3CABLECLAMPCABLECLIPSCABLECLIPSHEAT RESISTANTCABLEbkCONTROLBOXCOVERCONTROLBOXSECURINGSCREWSBOILERTEMPERATURECONTROLDiagram 5.19905TERMINAL BLOCK CONNECTIONSTERMINALBLOCK