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).
Remove Old Thermostat. CAUTION: Do not remove any wiring from existing thermostat. before reading the instructions carefully. Wires must be labeled. prior to removal. IMPORTANT! Turn off the power to the furnace at the main. power panel or at the furnace. Remove existing thermostat cover and thermostat. See Figure 1. Some. thermostats will have screws or other locking devices that must first. be removed. Once the wall mounting plate is exposed, look for wires.