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Question # 9

An HVAC system blows cold initially, then outlet temp rises after 10 minutes. Low-side pressure falls below spec, high-side rises. Frost forms on the evaporator inlet. What is MOST likely?

Options:

A.

Low refrigerant charge

B.

Restricted orifice tube/TXV

C.

Weak compressor

D.

Inoperative condenser fan

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T Series Overview

Name Automotive Service Excellence: Medium-Heavy Truck series
Code T Series
Vendor Skilled Trades
Certification ASE

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