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Kelly
Kelly, Appliance Technician
Category: Appliance
Satisfied Customers: 21142
Experience:  Highly accurate diagnostician with over 30 years experience!
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My PTAC will only generate cold air. Heat stopped working

Customer Question

HI Pearl My PTAC will only generate cold air. Heat stopped working any idea how i may be able to fix this unit is about 15 yrs old
JA: I'll do all I can to help. Tell me a bit more about what's going on so we can help you best.
JA: Is there anything else important you think the Appliance Technician should know?
Customer: it is a McQuay unit this that is it
JA: OK. Got it. Last thing - JustAnswer charges a fee (generally around $18) to post your type of question (you only pay if satisfied). While you're filling out that form, I'll tell the Appliance Technician about your situation and then connect you two.
Customer: Thank you!
Submitted: 1 year ago.
Category: Appliance
Expert:  Whrlp Master Tech replied 1 year ago.

Hello from JA
My name is Woody.
I will be glad to assist you today.
I have been servicing ALL Major Brands of Appliances for 35 Years,
and have over 100,000 in home repairs and over 80,000 internet repairs under my belt.

Can I please have the Full model number of the unit to better assist you ?
And do you have a Volt -Ohm meter and know how to use it to be able to do any testing ?

Customer: replied 1 year ago.
I don't know how to use a Volt-Ohm...
looks like model number is:
P.SHS.1.015.E.Z.48.Z.12.AQ.14.C.i.A.i
Customer: replied 1 year ago.
This is a McQuay PTAC
Customer: replied 1 year ago.
HI, can i get a status/response on query reference no 16030065-987
Expert:  Kelly replied 1 year ago.

Hi, welcome to Just Answer. My name is ***** ***** I look forward to helping you! If your unit has an electric heater, the thermal protector has likely opened. If it uses a reversing valve and was cooling fine before the winter, the reversing valve has likely failed. With no meter, you will not be able to address either problem. I suspect you will need to call for on site repair.

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