Community,

We are still learning all the systems on the 410 summer is over and fall is here. I have found the breakers for the heaters but cannot find how to make the heat start or work.Since this girl is 39 years old there is not book to tell me how. Can the community help me figure out how to bring them to life?

Thanks!

John & Lisa

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Chances are these are part of the A/C system using a reverse cycle to pull heat from the water and return cooler water at discharge.  You will need to make sure the A/C side is working, I am expecting these to be Cruise-Aire systems.

Tim

Seems odd ther would be a circuit breaker for the heater if heat is part of the air-conditioning system. Maybe you have some electric heat?

I believe Tim is correct and heat is reverse cycle air conditioning. Post a photo of your air conditioning control panel. My 1973 410 has the air/heat control shown in attached photo.

John Brock

I am attaching the picture of the circuit breakers and the Ac or temp controller. I see no other vents or stand alone electric heaters just these items do I need to turn on the AC pumps to have heat? I have those breakers off now the controls are called Marine Air Systems
John I don't see the photo you refer to here.
The AC works great does it need to run to use the heat?
Thanks team I just learned you have to power up the AC to run the heat... so one more question I have 3 breakers for the AC and the AC pump do all these need to be on to power the heat? They can be just learning here

On mine the heat come on when I turn the temperature setting to warmer. It happens automatically. Adjust the setting to cooler and the air conditioning comes on. Like  a home heat pump set up.

John Brock

Attachments:

The  pump  needs to  be on, heat is being  removed  from  the  water.  Water temp around  the  low  to  mid-forties will  not  work  well  so change  to  eletric  heaters .

Mine has two air conditioning systems. Main salon and rear stateroom. Independent systems. Each has its own pump too. The pump for each is powered from the breaker feeding the air-conditioning system associated with it.

I have two 30 amp shore power feeds. There is a switch panel in the main salon under the port side windows that allows you to put each air-conditioner on either shore power 1 or shore power 2. I put one on each shore power feed to avoid overload tripping the breaker on shore.

Turn on the 115 vac to the entire air-conditioning system including the pump if it is separately protected by a breaker. IF the air-conditioning is working, simply adjust the temperature setting to warmer. The compressor and pump will continue to run, but will be generating heat not cool air. Like Tim said above. Right now Lake Erie water is in the( upper?) 60's. Heat works ok at that temp.

John

I think you are talking about your electric heaters we have one in the salon and aft cabin. They do have breakers in the main panel turn on the breakers and then go to each heater and rotate the round control on the heater to the right or clockwise give it a minute to start. Ours were full of lint and dust and needed to be vacuumed out 

Guys thamks this really helps
Got the systems working
New issue.. when I start the engines they run fine for a few minutes then warning claxtons start buzzing not sure what these are?
The engines seem to idle and run fine but the claxtons buzz is this something to be worried about?
Sorry one more question... why wouldn't my running and anchor lights come on I have good bulbs...is there a master switch?

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