On this week's Tech Tuesday, we'll go over the simple wiring of using a power pack with a thermostat. While wiring up a thermostat isn't exactly difficult, using a power pack in place of a transformer can definitely make it easier. That's not even counting the potential time and money saved though using one.
When most people think of power packs, they think of lighting applications. The power pack combination of a Switch Mode Power Supply (SMPS), a relay, and a dry contact input trigger work great for turning on lights controlled by occupancy or vacancy sensors. The power packs not only receive an on/off signal from the sensor, but power the sensor as well. This same concept can be applied to thermostats in the realm of HVAC and building automation.
Instead of powering up an occupancy or vacancy sensor, a power pack can be used to power a thermostat directly, eliminating the need for a step-down transformer. On top of that, the call terminal on a thermostat can be connected to the control input of the power pack, making the power pack automatically control your heater or other HVAC load.
In addition to this, if more than one call is needed for different loads, the RIB21BPP5 can power more relays such as the RIBU1C or RIB2401B, up to 5 Watts. Just connect the relay coil to its corresponding call on the thermostat. If more power is needed, we also have the RIB21BPP10 that can supply a full 10W. And of course, if you have any other questions on this topic, be sure to call or email us at Tech Support.
Functional Devices, Inc., located in the United States of America, has been designing and manufacturing quality electronic devices since 1969. Our mission is to enhance lives in buildings and beyond. We do so by designing and manufacturing reliable, high-quality products for the building automation industry. Our suite of product offerings include RIB relays, current sensors, power controls, power supplies, transformers, lighting controls, and more.
We test 100% of our products, which leads to less than 1 out of every 16,000 products experiencing a failure in the field.
Simply put, we provide users of our various product confidence and peace of mind in every box.