When troubleshooting a heat pump room thermostat, a jumper placed ...

[MirandaLo]

When troubleshooting a heat pump room thermostat, a jumper placed across sub-base terminals R and Y
  will energize the _____.
 
  a. reversing valve
  b. indoor fan relay
  c. compressor contactor
  d. electric heaters

Question 2

Charging a system by weight is performed when _____.
 
  a. a complete charge is needed
  b. only a partial charge is needed
  c. the system uses a fixed-orifice metering device
  d. the system uses a TXV for a metering device

[lou]

Answer to Question 1

c

Answer to Question 2

a

[MirandaLo]

TYSM

[strudel15]

Thanks for the timely response, appreciate it