All rights reserved. Printed in the United States of America. Page 4 a word that matches the picture (Listening Comprehension standard score = 84) and generate words within a category, describe scenes, and give directions (Oral Expression standard score = 83).
The power is supplied by a transformer, and when the thermostat makes contact between the 24 volt power and one or two of the other wires, a relay back at the heating/cooling unit activates the corresponding heat/fan/cool function of the unit(s).
Testing the upper thermostat with the power on. 1  Remove the access covers and insulation to expose the thermostats and elements.  With your multi-meter set to volts AC (read the instructions for how to use your type of meter), check for voltage at the two top terminal of the high limit control.