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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a 4 pin relay wired 3 in series to a 13 kw heat

Customer Question

I have a 4 pin relay wired 3 in series to a 13 kw heat stripe Bank. How should it be wired to the bank
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Yes
JA: Do you plan on doing the work yourself?
Customer: Yes I took it out I just can't find the scamatic
JA: Anything else we should know to help you best?
Customer: No
Submitted: 6 months ago.
Category: HVAC
Expert:  Steve G. replied 6 months ago.

Hello there and welcome to Just Answer. My name is ***** ***** I will be assisting you today. I am an engineer with over 30 years of electrical and electronic training, repair and installation experience. I will try and answer your question accurately and precisely so that we can get you on your way.

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Ok then. I'm going to need a lot more here. Please answer the following.

Is the 13KW heater single or three phase?
What is the voltage?

Why three relays in series?
What are the rating of the relay contacts?
What are the rating of the relay coils?

Let me know and I'll try and help.

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