Past few days have been filled with drilling, sanding, trying to figure out a best route for the ducting and so on... Now all cabins have an outlet except for the aft toilet which proved to be a real cahllenge to get to. We will add a warm air outlet later on if necessary.
The Eberspacher D4 -Heater is sitting at the Aft. locker, ducting is led forward on the Portside under the bed, counters and sofas. Ducting is 90mm all the way to the Fwd. bulkhead, where it splits to two 75mm duct for Fwd. Cabin and toilet. From the picture below, the "main duct" goes down and from the T-connection a 75mm duct goes over to the other side to an outlet for Stbd. Aft. Cabin.
Installation was pretty straightforward, holes needed for the ducting were 98mm and 84mm. Just needed to check and double check the positions with a small 2mm drill "pilot drill" before drilling the big hole..
Aft. Locker ducting
Stbd. Aft Cabin. Outlet is higher up than normally for two reasons: limited space for ducting and optimal air flow for drying sails/gear etc.
Port Aft. Cabin. Outlet in legroom, 75mm duct Tee'd off 90mm main duct.
Saloon outlet, 90mm "always open" outlet Tee'd off from the main duct. After testing the system we might add one more outlet to the main cabin if needed.
Main duct led under the bed in Port Aft. Cabin. The Aft. end was very tight and there was barely enough space for the duct. Hopefully the bends will not affect the flow too much. At the same time it is what it is as this is the only possible route for the duct. Rest of the duct is relatively staright all the way to the Fwd.
Under the saloon sofa, just aft. of the bulkhead the main 90mm duct splits to two 75mm duct for forward cabin and toilet.
Fwd. toilet/shower outlet.
Fwd. cabin outlet with the toilet door open.
Easy Start Select -control panel above the Wireless VHF -Handset, left of the computer screen. External temperature sensor is mounted under the monitor where it should be away from the sun, draft, etc...
Ducting is now done. Still need to figure out inlet for heated air, combustion air and exhaust. Also the ducting will be insulated with Maxitherm where it is close to the hull and not near spaces that need heating..
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