3 Questions
Which two terminals will have a jumper at the thermostat in a four wire control system?
b) Rc and Rh
What should you do if the condenser coil is damaged?
d) Replace the condenser coil
Which terminals in a four wire control system are not connected to the thermostat?
a) Y and G
Test your knowledge of HVAC control systems and maintenance with this quiz. Learn about four wire control systems and which terminals require a jumper at the thermostat. Find out what to do when faced with a damaged condenser coil.
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