I have two cadet wall mounts ea. 1500/240. The thermostat has two romex w/ one being 240- I connected ea. of the white leads together and then connected the remaining blk leads to a single pole therm. The issue is it keeps triping the duel 20/20 breaker and to add- when I connect the two white leads I have 120 at ea. heater but when I connect the remaing blk leads to therm. the breaker will trip-any suggestions? Thanks John at [email protected]
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Re: cadet wall mount and thermostat
Your wiring is all wrong. for a 240 heater a 20/20 tandem breaker will not work with a 240 heater. you need a 20 amp two pole breaker. the two wires at the heater need to be connected to the line. you probably have two black wires at the heater. one connects to the white romex which should be taped black, and the other romex black connects to the other black wire. at the panel one white goes to one side of the breaker and the black to the other. the bare ground goes to the neutral bar.
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If I have your information right you have a black wire and a white wire marked red coming to the heater with 240 volts between them. You have a double pole unit mounted thermostat with a red and a black wire. Most double pole thermostats have two red and two black wires on them so I am not sure if you have a double or a single pole thermostat.There are also two wires going to the baseboard heater. One is connected to the element the other to a high limit switch which is then connected to the other end of the element. If the thermostat is a double pole the two red (or load) wires should connect one to each of the baseboard wires. The two black (line) wires should connect one each to the two incoming power leads. If it is a single pole thermostat the one red wire should connect to one of the baseboard wires the black should connect to one of the incoming power wires the remaining baseboard and power wires should then be connected together. Hope this helps
What you have is a Direct Vent, Gas WALL Heater. It is normally mounted about 6" off the floor on an exterior wall (since it has to be direct vented out). Not sure what the red and white wires are for, but suspect it's for the optional thermostatically controlled blower connection.
In any event, to help you install this heater properly, I have included a link to the Owner/Installation Manual, which should provide all the information you need to complete the installation correctly. http://shopfnc.com/pdffiles/williams2man.pdf
You can download and print the manual for future reference.
Hi, this is very easy for you to do.The 12/2 Romex wire coming in is the power which you know. What you do need to know, is the voltage coming in? Sometimes they will use 12/2 Romex with ground for 220, 240, operation. You need to know if the T-stat is Line voltage 220, or 240 volt. You have to have the same voltage for both for it to control. Reguardless of the voltage, lets say it is in the 220 and up range. You take one of the 12/2 wires, white or black and hook it to the black or red on the T-stat and the white to the other one, red or black. Thats it, you are done! If the T-stat is 2-pole I am sure it is a high, Line votage T-stat. Best of Luck, Shastalaker7
The black and white in the fan box are the main power and neutral for normal (low speed) of the fan. The two reds are the signal wires. It is basically a switch loop. You will actually need a total of 4 conductors (plus a ground) in order to run the high and low speed of the fan. The four conductors consist of 1) power from one switch to power up the fan, 2) neutral, 3) signal going to second switch, 4) signal going back to fan from second switch in order to run high speed. Without four conductors you can still run the high speed only by tying the two red wires in the fan together. This would be like always having the second swith in the on position. Hope this helps.