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Author Question: When troubleshooting a heat pump room thermostat, a jumper placed across sub-base terminals R and Y ... (Read 146 times)

MirandaLo

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on: Jul 24, 2018
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


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lou

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Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

a


MirandaLo

  • Member
  • Posts: 538
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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