Published at Monday, March 25th, 2019 - 00:17:22 AM. wiring. By Harriette Buisson.
The book also includes end of section review questions and exercises that can be torn out and handed into the instructor for grading. A separate instructor supplement containing the answers to the end of section exercises is also available.
The next control is the pressure control. The pressure control is a switch that, when working as a high-limit safety, opens on pressure rise. The switch can be either a micro switch or a mercury switch. The pressure control is wired in series with the LWCO, the rollout switch, and the spill switch. There are a few things to remember about pressure controls. First, the cut-out pressure should never be set higher than 2 psi. This is plenty of pressure for most residential one-pipe gravity systems. Higher pressures are inviting problems.
Any content, trademark’s, or other material that might be found on the Eventionline website that is not Eventionline’s property remains the copyright of its respective owner/s. In no way does Eventionline claim ownership or responsibility for such items, and you should seek legal consent for any use of such materials from its owner.