410 Sundancer/Express Cruiser and 400 Sundancer/Express Cruiser **Official Thread**

Sgrochow said:
They told me I should have called them before purchasing and that they would have recommended a 9K unit instead of the original 12K due to technology advancements.
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I'd have struggled to respond to that politely. Am I alone in that regard?

"So, because of "technology advancements", a BTU is no longer a BTU?"

I'd expect a technology to provide more BTU's with a given amount of power, or the same BTU's with less power consumption, and less noise. I wouldn't expect a BTU today to be more than a BTU 20 years ago.
 
Strecker25 said:
First time tracking fuel and hours/miles since owning the boat. We ran 100 miles and burned 97.75 gallons. 8.5 hours of engine runtime for an average of about 11.5 gph. The generator was also running for nearly all of that time under normal load (AC on, fridges, hwh, etc.)

Full water and fuel to start, any on plane time was spent between 20-24mph. 2 adults and 3 year old, lots of beer.

Pretty efficient I’d say!
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spot on with my numbers... what rpms..
 
RollerCoastr said:
I'd have struggled to respond to that politely. Am I alone in that regard?

"So, because of "technology advancements", a BTU is no longer a BTU?"

I'd expect a technology to provide more BTU's with a given amount of power, or the same BTU's with less power consumption, and less noise. I wouldn't expect a BTU today to be more than a BTU 20 years ago.
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I have none of the issues with 12K in my 410 salon has worked flawlessly for 12 months now...I flush the system monthly probably put the same 12K unit in the FWD master suite next year.. the old cruise air unit is working fine but no where cold as the webaso unit in the salon..
 
nealtrombley said:
I have none of the issues with 12K in my 410 salon has worked flawlessly for 12 months now...I flush the system monthly probably put the same 12K unit in the FWD master suite next year.. the old cruise air unit is working fine but no where cold as the webaso unit in the salon..
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I forget the science to BTU’s, but a friend that owns a HVAC, once explained it to me. In short, going too big is not good either. Unfortunately I don’t remember why. My old 7000 BTU unit does well in the master and a new 7000 BTU unit will be more than enough! The stronger fan the new units have will be a great improvement over the old one.

My new salon 12,000 btu unit blows away (no pun intended), the old 12,000 one.
 
Dani-Lu said:
I forget the science to BTU’s, but a friend that owns a HVAC, once explained it to me. In short, going too big is not good either. Unfortunately I don’t remember why. My old 7000 BTU unit does well in the master and a new 7000 BTU unit will be more than enough! The stronger fan the new units have will be a great improvement over the old one.

My new salon 12,000 btu unit blows away (no pun intended), the old 12,000 one.
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yes sir lots of homeowners have found out the had way with to large of units.. the salon really keeps the entire boat comfortable if needed.. I might look at the smaller one for the FWD unit..
 
Stee6043 said:
You're able to overshoot your setpoint temp by 5 or 6 degrees in just 6 minutes of runtime? Holy crap...that AC unit must REALLY put out some cooling power. Dang...
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It's nut's, that's with fan on LOW. I also put a run into the closet to dump cold or hot air in there to lessen the run time. (Webasto recommended that I dump somewhere) That helped a bit, but when the ambient temperature is below 80 at night and everything is closed up, it will consistently run it's 6 minutes and it gets to 67 before shutting off. (set point is 73). On an 85-90 or 40-50 degree day it works great.
 
Sgrochow said:
It's nut's, that's with fan on LOW. I also put a run into the closet to dump cold or hot air in there to lessen the run time. (Webasto recommended that I dump somewhere) That helped a bit, but when the ambient temperature is below 80 at night and everything is closed up, it will consistently run it's 6 minutes and it gets to 67 before shutting off. (set point is 73). On an 85-90 or 40-50 degree day it works great.
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How about moving the temp sensor probe?
 
techmitch said:
How about moving the temp sensor probe?
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Doesn't matter. Logic in the controller (I sure hope it's been changed since I bought in 2017) is:
1. Temp at probe is above or below set point.
2. Heat or cool run for 6 minutes. Ignore set point until 6 minute run expires.
3. Set point reached or exceeded stop unit. If not reached, keep running until set point is reached.
 
You generally do not want to short cycle the air conditioner. Aside from the motor aspects (limiting start/stop - overheating), you need the unit to run long enough to help dehumidify. Too large a unit can cool things down quickly, but then your cold and humid.
 
FYI there is usually a setting within the 'secret menu' which allows you to slow down or speed up the blower speed. If you slow down the blower speed, you'll get better dehumidification and likely avoid short cycling the unit.
 
Made this.
7C397FCA-4D48-428C-B891-5D280A76AEDE.jpeg
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Got sick of this!
 
dtfeld said:
I use Navionics+. Get down to the +/-1 ft level if you want to se all that detail. It can be customized to your liking, but will help keep you out of the shallow stuff. $149.
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Thank you very much. Was able to get a data card off EBay that works great
 
Rip
Riptide III said:
Made this.
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Rip, I’ve been concerned that I’ve been suffering from EMFDAS, Excessive Multi-Function Display Addiction Syndrome, but I can see from your dash that I am completely healthy…. :D
 
Does anyone know the height from the cockpit floor to the bottom of the bench seats in the cockpit? We've been anchoring out more often and I'm looking to pickup a propane grill/griddle to use rather than starting the generator every time. The weber q1200 is 15.5" high and the 1000 is 14.5" high and I'm wondering if I could store either of these under the bench when we aren't using it.
 
kindredspirit said:
Does anyone know the height from the cockpit floor to the bottom of the bench seats in the cockpit? We've been anchoring out more often and I'm looking to pickup a propane grill/griddle to use rather than starting the generator every time. The weber q1200 is 15.5" high and the 1000 is 14.5" high and I'm wondering if I could store either of these under the bench when we aren't using it.
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I don’t remember the height but my q1000 Won’t fit under my 400da seat
 
kindredspirit said:
Does anyone know the height from the cockpit floor to the bottom of the bench seats in the cockpit? We've been anchoring out more often and I'm looking to pickup a propane grill/griddle to use rather than starting the generator every time. The weber q1200 is 15.5" high and the 1000 is 14.5" high and I'm wondering if I could store either of these under the bench when we aren't using it.
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My Q fits nicely in the transom trunk. You have to work the legs in over the edge, but once in I slide it over to the port side and keep all the grill stuff there. Lines and anchors go in the starboard side. Fairly functional.
 
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I store my Magma grill in the midcabin under the bed. After it cools I place it in a garbage bag, then inside the storage bag. No smell, out of the way. It's the only way I could find to store that beast of a grill...short of putting it in the engine room.
 
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