18additionally, a good seal between theregister frame and the wall is important,particularly on high level positions, ifunsightly staining through warm air/particulate deposition is to be avoided.3.9 Heater Control InstallationWarningIsolate heater from mains beforeundertaking any electrical work.Unless specified all Cabinet Heaters aremanufactured and supplied with a pre-wiredControl panel as standard. Optional remotecontrollers are available to be wired back tothe cabinet heater.Refer to Controller instruction manual for fullinstallation details.A commissioning switch is provided on allcabinet heaters fitted with a remotecontroller.See section 7.0 for individual wiringdiagrams.The controls for Horizontal Cabinets andReverse Flow are supplied as remote optionas standard.