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I have a simple Trane HVAC with 5kW heating element that I…

Customer Question
I have a simple...

I have a simple Trane HVAC with 5kW heating element that I just replaced. The coil was burned thru so I replaced with a universal 5kW heating coil. The problem I have is when thermostat set to AUTO and turned up above ambient room temp., the fan will not come on. When I select the thermostat ON fan switch, the heater comes on. I'm guessing some relay is not coming on. What do you think>?

Contractor's Assistant: Are you an HVAC professional?

No.

Contractor's Assistant: Do you plan on doing the work yourself?

Yes. I have certain 'skills' that makes this easy for me.

Submitted: 10 months ago.Category: HVAC
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11/22/2017
HVAC Technician: airheatman, HVAC Technician replied 10 months ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,529
Experience: Furnace, A/C and heat pump specialist.
Verified

Sounds like a relay maybe a sequencer.What is model on air handler and do you have a multi meter for troubleshooting?

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Customer reply replied 10 months ago
Just one row of coils. I have a meter. Model is a Trane Model 2HM06500506A.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Let me see if I have a wiring diagram

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HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Not finding this as a Trane model.

Do you see a wiring diagram on unit that you can send a picture of?

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Customer reply replied 10 months ago
I just noted that I put the heating coil panel in backward against airflow (they have an arrow on it for airflow direction). I don't think that it would change anything when I flip it over. Why would they make the installation ambidextrous??? Don't answer that. LOL.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Element needs to be at least a certain distance from blower so it deosnt cause high limit to shut it off. Is it working now?

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Customer reply replied 10 months ago
Checking on wire diagram. Noted that the last heating coil was installed the same as I replaced it. So that won't affect anything. Pretty ambidextrous looking heating coil panel.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

OK I have not been able to find anything by model 2HM06500506A

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Customer reply replied 10 months ago
Problem. No schematics or diagrams. Also, forget I said Trane. It is a York model by Borg & Warner.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Do I have number right?

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HVAC Technician: airheatman, HVAC Technician replied 10 months ago

OK looks like that may be model on the heat kit.If so do you see a model on the air handler?

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Customer reply replied 10 months ago
Well, looks like that is the Model No of the heating part.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

See a label on actual air handler?

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HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Anything like FANB/FALB, FBRC/FBFC, FYRC/FYFC ?

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Customer reply replied 10 months ago
Model No. G+HCQ24AA. "+" may be 2 or B.
Customer reply replied 10 months ago
But that may be for AC part. Other than that, there are not other model numbers listed anywhere.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Still not finding anything.Can you attach a pic of the wiring including heat kit? Usually there is a wire from sequencer that energizes blower

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Customer reply replied 10 months ago
Where can I send pics?
Customer reply replied 10 months ago
How can I send pics??
Customer reply replied 10 months ago
Here are pics
CD12ACCB-A295-4B2F-A7B5...jpegCD12AC...jpeg01E56C81-F4C2-4F82-933A...jpeg01E56C...jpeg71EF4D31-5246-408E-9169...jpeg71EF4D...jpeg4684BA38-E684-40B1-A193...jpeg4684BA...jpeg
Customer reply replied 10 months ago
That’s the wire to the sequencer.
Customer reply replied 10 months ago
Hello
Customer reply replied 10 months ago
Bought new sequencer while still able. Thanksgiving prep now delaying me installing. I’ll get back to you when I get it installed.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

I understand.Issue is most likely the sequencer or that little peanut relay.Let me know and we will go from here.

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Customer reply replied 10 months ago
Thanks so much! Will do.
HVAC Technician: airheatman, HVAC Technician replied 10 months ago

Talk soon

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