Question about Marley Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: Dayton 3EV51 torpedo heater
Dayton heaters at one time were manufactured by DESA or a predecessor and labeled DAYTON for Grainger. I have been unable to find any specific reference material to "Dayton 3EV51".
There were 2 types of motors used. I suspect your heater has a starter relay. The solid state relay was used to allow the energizing of the start winding which would allow the motor to achieve approx 80% of rated speed, then the relay would de-energize the start winding to prevent overheating. The relay is not attached to the motor, except for the wiring.
This is what the starter relay looks like. If yours has one check to see if it is energizing the starter windings at start-up. If not it is probably defective. The part is still available at www.reddyparts.com, I think, but today's replacement part looks slightly different.
If your motor does not have the relay, then the motor has an internal start-up system which is not serviceable, but the motor is probably still available. Most of the time the motor's part number is printed on the label.
Posted on Oct 12, 2008
The pilot light has to be lit before gas valve will operate. That's a safety feature so the valve won't open and fill the garage with gas and possibly cause an explosion or fire. If you have a standing pilot and can't get pilot to stay lit, it's usually the thermocouple and it will need to be replaced. Once the pilot is lit, the gas valve comes on and heats the combustion chamber up to approx. 100° to 125° a thermostat controlled fan switch will close and bring the blower on.
Posted on Sep 10, 2009
Tips for a great answer:
Jun 01, 2017 | Heating & Cooling
Check for power to fan motor.....if there is power and motor does not go then the motor is bad...
Here are a couple of tips that I wrote that tell you how to troubleshoot a Torpedo or Reddy heater...
Reddy Heater - Troubleshooting Torpedo Heaters
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