Chapter 3 questions and answersNo because no fuel is burned 2. ... Ceramic insulators are used to separate the heating element wire from the metal frame. ... A two-stage heating thermostat has two mercury Bulb heating switches 13. ls an outdoor thermostat used to control the first stage ... What component of the heat pump controls the direction Chapter 31.
|Title||:||HVAC 101 Heating and Cooling Essentials Notes|
|Publisher||:||Jim's HVACR Notes -|