Question about Dayton (3E379) Heater
Wiring in a 240 line voltage T-stat for this heater is confusing. I was under the impression that you could wire in the stat from the breaker first, prior to the heater unit. (breaker>stat>heater). It would act like a "light switch", right?
Well, there is a separate (from the power terminal block) Control Terminal Board within the heater that had a tag on it that read, "Attention. Thermostat MUST be wired to the control terminal board. This unit will not operate if thermostat is wired to the power terminal block. See wiring diagram..."
Following the diagrams in the owner's manual for the heater, and the Honeywell T-498B 4-wire line voltage T-stat, I wired the thing in as best I could figure from the contradicting info in the diagrams. (Haven't hooked to breaker yet).
I'm no electrician, but I can do basic house wiring, and the way they show to wire the thermostat to the control terminal block doesn't make sense to me.
It shows the L2-T2 (red wire side) of the t-stat connecting to a "W2" designated terminal on the control terminal block. This terminal dead ends. There is no wire inside the heater going from this "W2" connection. Doesn't this leave the circuit open?
The notes next to the wiring diagram talk about removing "jumper W1 to W2 when 2-stage thermostat is used." I dont see any "jumper" wire at this location. Should there be one here to complete the circuit or am I mistaken? The "W1" terminal is pre-wired in the heater, to the "contactor" in the heater unit.
I wish i could attach the diagrams.
Does this make sense to anyone?
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Posted on Jan 02, 2017
If I understand your post correctly....You state that you are hooking up a 240v heater and towards the end you speak of removing jumpers...W2 terminals..ect. It sounds to me your trying to us a 24v low voltage thermostat instead of a Line voltage thermostat.That's what I'd take a look at.
Posted on Jan 21, 2009
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