Question $3(15$ points$)$

$[$

The system below is a walking freezer with a TEV. Refrigerant is R$404$a$.$ Standard conditions are $-10F$ box temperature for freezing $($low temperature$)$; $10F$ evaporator TD; $25F$ condenser split; $10F$ superheat; and $10F$ subcooling. From the information given on the diagram, answer the question below.

Evaporator Temperature

Evaporator TD: $q,$

Evaporator Superheat: $q,$

Condenser Temperature: $q,$

Condenser Split: $q,$

Condenser Subcooling: $q,$

Which symptom applies?

a$.$ Condenser temperature is high, low, or normal?

b$.$ Subcooling is high, low, or normal? $q,$

c$.$ Evaporator temperature is high, low, or normal?

d$.$ Superheat is high, high, or normal? $q,$

e$.$ Sight glass is full or bubbling?

What is the diagnosis?

How to solve the issue?