HVAC CONTROLS STUDY GUIDE WITH COMPLETE
SOLUTION!!
The thermostat terminal that connects to the reversing valve control in a heat pump
is
answers: O (orange), heat pump (red) power (Green) Fan Control (yellow)
Cooling contorl y1-y2 stage (white) heating contorl
Increase Furnace effectively, the start of the furance blower is delayed using
answers: Time delay relay
A conventional thermostat should not be thrown into the regular trash because it
answers: may contain mercury
If lighting units and other appliances are also supplied, the rating of cord- and
plug-connected room ar conditioners must not exceed what percentage of the
branch circuit rating?
answers: 50%
Automatic changeover thermostats have a minimum interlock setting, also known
as the
answers: deadband
a lockout relay becomes defective, it should be replaced with an exact duplicate,
sometimes called an)
answers: Impedance relay
SOLUTION!!
The thermostat terminal that connects to the reversing valve control in a heat pump
is
answers: O (orange), heat pump (red) power (Green) Fan Control (yellow)
Cooling contorl y1-y2 stage (white) heating contorl
Increase Furnace effectively, the start of the furance blower is delayed using
answers: Time delay relay
A conventional thermostat should not be thrown into the regular trash because it
answers: may contain mercury
If lighting units and other appliances are also supplied, the rating of cord- and
plug-connected room ar conditioners must not exceed what percentage of the
branch circuit rating?
answers: 50%
Automatic changeover thermostats have a minimum interlock setting, also known
as the
answers: deadband
a lockout relay becomes defective, it should be replaced with an exact duplicate,
sometimes called an)
answers: Impedance relay
