FAQ What are the jumper requirements for the LA 6MR-LA10MR model? The LA 6MR-LA10MR model requires 4kW and 6kW jumpers for proper operation.How do I connect the heater up-back for the Dimplex Heat Pump? The heater up-back connection instructions can be found in the wiring diagrams for the specific model.Where can I find the supply mains information for the LA 6MR-LA10MR model? The supply mains details are included in the wiring diagrams of the Heat Pump.