14C109U is a Flexpak Plus single phase D-C controller. This part is a full wave power converter without a back rectifier and is complete with an analog current minor loop and an analog major loop for armature voltage or speed regulation by tachometer feedback. This product is manufactured by Reliance Electric and provides non-regenerative and regenerative applications.
There are two versions of this model 14C109U. This version varies mainly because of the suppliers and the overall set-up. The versions include a basic chassis controller and a complete chassis controller.
A basic chassis controller is a controller that includes a power converter, a regulator, and a field supply. Basic controllers do not have an auxiliary panel, which contains the A-C power fuses and armature loop contactor. The basic chassis controller is usually supplied by the third party suppliers who don’t provide the auxiliary panel with the controller.
A complete chassis controller comes with the auxiliary panel. The whole setup includes the power converter, field supply, regulator, and the auxiliary panel. The auxiliary panel includes the A-C power fuses and armature lop contactor. The chassis cannot be mounted horizontally due to concerns aboutair circulation.
Reliance Electric offers a vast range of modification kits in order to increase the application range of the basic controller. These modification kits are pre-engineered and are easy to install. All of the model numbers of these kits are given in the user manual of the controller for better understanding. This controller provides non-regenerative and regenerative applications. The manual offers simple steps to install model no. 14C109U. Only qualified electrical personnel familiar with construction and operation of the equipment should install and handle the device.