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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I tested the voltage from circuit board to the fan motor.

Customer Question

I tested the voltage from circuit board to the fan motor. Less than 1 volt
JA: Thanks. Can you give me any more details about your issue?
Customer: Fan motor won't come on. I am replying to an email from a technician already.
JA: OK got it. Last thing — HVAC Technicians generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 6 months ago.
Category: HVAC
Expert:  BillyHvac replied 6 months ago.


May I ask what the make/model number is *****?

Customer: replied 6 months ago.
Make is Life Breath Ultimate Air Exchanger HRV. Model No. is 155MAX
Expert:  BillyHvac replied 6 months ago.

thank you,

where the 2 wires run from furnace...terminal R and there 24v on G?

Expert:  BillyHvac replied 6 months ago.

we are looking at terminals T1, T2 and T6 on the HRV...these are labeled dry contacts

Customer: replied 6 months ago.
There are no wires connected to T1, 2, and 6 from the furnace.
Expert:  BillyHvac replied 6 months ago.

then are you using this as a stand alone unit not incorporated into the heating/cooling functions?

Customer: replied 6 months ago.
No I don't think so.

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