HEAT CONTROLLERS
Viconics turns up the heat when is comes to electric heat controls. Choose between solid state relays, solid state relays with integrated heat sink, SCR power controls with various choice of analog input signals, electronic relays for electric baseboard heaters and Vernier low voltage step controllers
R810
SOLID STATE RELAY WITH INTEGRATED HEAT SINK
Viconics’ R810 power switches have been designed for safe and reliable control of electric heat loads. This broad line of value priced products is used by most major North American duct heater manufacturers. The appropriate PWM or pulsed input signal can be provided by a DDC panel or Viconics’ own C1015 or C1025 thermostat. For a.c. fired inputs, a C24 interface board can be used.
R820
SCR POWER CONTROLLERS
Viconics’ R820 SCR power controller has been designed for safe and reliable control of electric heat loads. By offering a competitive price, the use of SCR’s is no longer an expensive proposition as was the case just a few years ago. As a result, this broad line of products is used by most major North American duct heater manufacturers. Input signal can be provided by DDC panel or Viconics’ own VT7225 thermostat.
R850
VERNIER LOW VOLTAGE STEP CONTROLLER
The R850 series low voltage (24 V a.c.) electronic step controller is designed for cost-effective and precise control of multi-stage applications typically found in electric duct heaters and boilers. Available in four or eight stage models, the product can also be used in conjunction with the R810 power switch or R820 SCR power controller, which will result in a fully proportional control of the load.
R851
LINE VOLTAGE STEP/VERNIER CONTROLLER
The R851B/V series line voltage ( up to 240 V a.c.) electronic step controller is designed for cost-effective and precise control of multi-stage applications typically found in electric duct heaters and boilers. Available in four or eight stage models, the R851V can also be used in conjunction with the R810 power switch or R820 SCR power controller, which will result in a fully proportional control of the load. The R851B is specifically designed for electric boiler sequencing.
VT7225
THERMOSTAT FOR MODULATING HEAT APPLICATIONS
The VT7225 series controllers are microcomputer-based, proportional and integral (PI) devices with one analog 0 to 10 Vdc output, one 8 Vdc and one 24 Vac proportioning pulsed output. The analog 0 to 10 Vdc modulating output can control the room or supply temperature by modulating directly a 0 to 10 Vdc SCR power controller.