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I have a thermostat and a baseboard heater that I need to…

Customer Question
I have a thermostat and...
I have a thermostat and a baseboard heater that I need to connect
Submitted: 2 years ago.Category: HVAC
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Answered in 17 minutes by:
6/25/2015
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,081
Experience: Furnace, A/C and heat pump specialist.
Verified
Hello. My name is ***** ***** I'll do my best to help. Let's get started and see what we can do.Is the heater 120 volts or 240 volts? What is model on heater?
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Customer reply replied 2 years ago
Stelpro 360, 300 Watts 19&7/8 inch length..it doesn't say what the voltage is anywhere.
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
I am trying to find a manual on the unit. It should have a label somewhere showing model, amps and voltage. Can you attach a photo?
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Customer reply replied 2 years ago
300/225 Watts, 240/208 volts, model B302
Customer reply replied 2 years ago
Hello...you there?
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
Excellent since it is 249 volt we will simply connect white from breaker to L1 and black from breaker to L2,White (or red)and black from heater will go to T1 and T2
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Customer reply replied 2 years ago
Ok... I'm wiring the whole system. I have a 20 amp two pole cb that I'm routing to the room... the red wire with the red & white wires in it. I'll connect it as you said to the leads in the heater. What about the the thermostat? I have 14 - 2 wire in there also.
Customer reply replied 2 years ago
I was going to connect the 20 amp breaker to the heater and I have a single pole 15 amp breaker for the thermostat and a water pump also off that outlet. How do I connect the thermostat to the heater?
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
Can you attach photos?
What you want to do is run the wire from the breaker diretly to the L1 and L2 terminals on the thermostat. Then from T1 and T2 to the heater
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Customer reply replied 2 years ago
The thermostat has black wires coming from the L1and T1 terminals. On the L2 and T2 sides there are no electrical terminals.
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
http://i.imgur.com/L1T09GN.png
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Customer reply replied 2 years ago
Huh? Hello... you there?
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
Can you upload a photo?
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HVAC Technician: airheatman, HVAC Technician replied 2 years ago
If your thermostat only has one set of terminals, L1 and T1, you will simply break one leg of the hot wire from thermostat and heater. The other hot leg from breaker will go directly to the other heater wire .
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HVAC Technician: airheatman, HVAC Technician replied 2 years ago
See link below:
http://i.imgur.com/TKHnlqk.png
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Customer reply replied 2 years ago
Do you mean to simply connect the two terminal wires on the thermostat to the two wires coming from the 120 vac outlet through the 15amp breaker?
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
No. One leg from breaker will go to L1. The other leg of breaker will go directly to heater. Other wire from heater will go to T1. See the diagram I sent. Here it is again.http://i.imgur.com/TKHnlqk.png
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Customer reply replied 2 years ago
Is this all from the red heater wire I have going to the heater from the 220 vac cb?...I don't need a separate 120 vac wire for the thermostat ? That's fine if that's the way it's supposed to be... I thought the thermostat was a 120 vac component.
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
The thermostat is breaking one 120 volt power wire between the breaker and the heater.
It is the same as a light switch basically. One wire from your breaker goes straight to the heater. The other wire from breaker goes through the thermostat and then to the heater.
In otherwords we are breaking the power leg when thermostat is off and closing the circuit when thermostat is on
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Customer reply replied 2 years ago
Ok...I guess I had a brain fart there....makes sense that the heater & thermostat are on the same 220 circuit. Thanks.
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
Thanks for letting me work with you.If my answer has been polite, professional,and thorough, please click one of the ratings now. If you still need help let me know!.Expert is not paid for assisting you until you rate answer.Feel free to follow up for 30 days at no additional cost. Bonus always appreciated if you feel justified.
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