Electric Heaters

[cmillsap]

(02-18-2013 19:12)cmillsap Wrote:  Tela and I just spent a few days in the coach in Las Vegas. The nites were cool enough that a little heat was needed. Since we were hooked to shore power, I decided to use the electric baseboard heaters instead of the hydronic heat.

In the bathroom over the vanity are two thermostats, one labeled for electric heat and one labeled for hydronic heat. The M380 has two baseboard electric heaters, one is under the bathroom vanity and one is under the laundry closet doors. The electric thermostat will turn on the heater below the laundry closet doors but does not turn on the heater under the vanity. That heater under the vanity is connected to a solid state relay (I think that is what it is) located on the wall under the vanity. It appears that this relay is activated by a signal from a thermostat to close the 120V contacts and direct power to the heater. There is 120V at that relay coming from the bath elec heat breaker in the bedroom load center.

My reason for describing the above is that I cannot find a separate thermostat for that heater. I’m in hopes that someone can tell me if it is controlled off the same thermostat that controls the other heater under the laundry closet doors or is there a separate thermostat for it somewhere that I can’t find?

If both heaters are controlled by the same thermostat; does anyone know why the thermostat is able to send a signal to one heater but not the other as there is no control power at the relay with the thermostat turned all the way up.
BTW, the relay I mentioned above is indeed a 120VAC Solid State Relay operated by 12VDC signal from the thermostat.
Chuck

Well.....It seems to never fail with me. I can find the problem AFTER posting but not before. The thermostat in the bath does indeed control both heaters. I traced the problem to the heater itself. There is a little component in the heater that I don’t know what it is but it does not let the current past through it. It’s the little round white thangamagig in the center of the pic with the O53111 #s on it. Jumping it allows the heater to function.

Anyone know what this is? Is it replaceable or do I just need to get a new heater? This is a Cadet Model UC heater. I guess I should call the manufacturer.

Chuck