This manual provides installation, wiring, configuration, and operating instructions for the Tyco HTC-915 heat tracing controller and limiter modules.
The Tyco HTC-915 is a heat tracing controller designed for ordinary area locations, featuring a digital communication interface and configurable control algorithms. The system includes a control module and an optional limiter module to manage power and alarms for heating cables. The controller supports various control modes, including proportional control for solid-state relays and deadband control for external contactors, with a control temperature range from -60°C to 570°C.
| Supply voltage | 100 to 250 VAC nom., ±10%, 50/60hz |
|---|---|
| Ambient operating temperature | -40°C to +50°C |
| Control temperature range | -60°C to 570°C |
| Control relay output rating | 250V/3A |
| Alarm output rating | 250V/3A |
| Power output for limiter | 12 vdc, 200 ma max. |
| Enclosure protection | Housing: IP40, terminals: IP20 |
The controller is suitable for use in ordinary locations only and should be installed in areas classified for which the product is approved.
The controller is maintenance-free, but terminal connections should be re-tightened approximately one week after installation.
Available algorithms include line sensing on/off, proportional, proportional ambient, and power/current limiting.