1.
Another name for a Freeze Protection Thermostat
3.
These types of switches protect the compressor and come in both high and low
4.
A high temperature limit switch helps prevent this.
5.
This limit switch is mounted outside the burner section to stop the burner if excessive temperature is reached.
6.
Another name for an airflow switch.
8.
Communication is done through two catagories digital and analog signals and are known as this in the HVAC industry.
9.
When handling electronic HVAC equipment removal of static electricity is called.
10.
trace and correct faults in a mechanical or electronic system.
11.
NEC article 424 Part III covers fixed electric ____ heating
12.
NEC article 424.19 covers this.
13.
An alloy of steel containing 36% Nickle.
14.
A device that is responsive to ambient temperature conditions.
15.
system where water is used as the method of heat exchange.
16.
another name for a semi-hermetic compressor.
17.
A Heat_____ is a small resistance heater in series with the switch contacts.
18.
A control device made of two dissimilar metals that warp when exposed to heat.
19.
Automatic-changeover thermostats have a minimum interlock setting commonly known as a ____.
20.
In a thermostat this is the cooling control wire color.
21.
The purpose of this relay is to prevent the automatic restart of HVAC equipment after a safety shutdown.
22.
This is a special type of time-delay relay used to energize resistance heaters.