It is 90F in the shop and the humidity is high. What pressure ...

[tiara099]

Question 1

If both the low side and the high side show low readings, what might be the problem?
◦ Low refrigerant charge
◦ Condenser malfunction
◦ Cooling fan malfunction
◦ TXV stuck open

Question 2

It is 90°F in the shop and the humidity is high. What pressure will be shown on the high side pressure gauge (AC system on)?
◦ 210 to 290 psi
◦ 10 to 50 psi
◦ 40 to 140 psi
◦ At least 350 psi

[jackie]

Answer 1

Low refrigerant charge

Answer 2

210 to 290 psi

[tiara099]

Excellent

[covalentbond]

Thanks for the timely response, appreciate it