Accessories: Heat register/cooling register
The heat register and cooling register are available as separate modules and are connected to the corresponding connections on the RLT Flat air handling unit using a screw connection.
Preheating and reheating register (optional)
Electric preheating and reheating coils have 2 plug connections. After installing the heating modules into the appliance, the plugs must be connected to the sockets and tighten the nuts.