American Tug 34 Owner Experiences
Chapter 10 Galley
Refrigerator
Manufacturer
Nova Kool Manufacturing Inc.
Website http://www.novakool.com/
Phone (604) 523-6515 (This is an International call from the US).
FAX (604) 523-6674
Email: [email protected]
Address
1578 Hartley Avenue
Coquitlam, BC
Canada V3K 7A1
The model and serial number is located on a silver sticker on the inside of the refrigerator
on the left hand side.
We have a model RFU8000 which is a 6.8 cubic foot fridge/freezer combo with the
refrigerator on top and the freezer on the bottom.
Defrosting
The refrigerator needs to be defrosted when ¼ inch of ice forms on the cold plate which
is located in the top of the refrigerator compartment. This ice tends to insulate the
components, and prevent efficient cooling. In really warm weather we do this every
week.
If the fridge needs defrosting often, check the door seal and the latch. If the bottom corner
has a small gap, adjust the latch receiver on the frame.
Remove heavy objects from the door – it tends to distort this seal.
Venting
Tomco seem to have a blind spot about refrigerator venting: I guess it must be a Seattle
cold-weather thing, as in hot climates the refrigerator on our boat was not been able to
maintain the ideal 38-40deg F temperature. It was running closer to 50 deg, which was
turning much of our food into science experiments….
When we called the helpful people at NovaKool, and told them it was an American Tug,
they right away said “It needs more venting”. They’ve seen this issue before (both with
American and Nordic Tugs !). NovaKool specifies a total of 120 square inches of
ventilation for the type of fridge that we have (60 square inches at the top for venting out
the hot air and 60 square inches at the bottom for letting in the cooler air). This is actually
specified in the user’s manual on page 4. On my boat (hull #48) there is a narrow grill
above and below the fridge for ventilation. This provides about 80 square inches in total
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Outlet
As previously noted, later AT34s have factory-installed vent slots above the fridge (i.e.
behind the microwave). They also have a grill in the middle of the countertop surface
above the microwave.
You will need to remove the microwave to see if you have this venting. The microwave
is easy to remove, lift the front edge and pull it out.
The Microwave is heavy (25lbs ++). A second person is needed to unplug it from the
outlet once you’ve pulled it out. To reinstall the microwave, reverse the procedure: the
front feet fit into ‘sockets’ in the woodwork to hold it in place.
We did not have this venting, so we
started searching around for a solution.
We came across a vent with a collection
box arrangement in West Marine. The
collection box has two 3 inch holes to
which we attached some air vent hose
and ran them down to two 3 inch holes
cut into the bottom of the microwave
cabinet.
This has the added advantage of
allowing the hot air from the fridge to
vent past the microwave and directly out
into the cabin, behind the starboard pilot house seat. We like having the vent hole on the
side rather than on top of the microwave cabinet, as we could imagine the problem of
small things falling through the vent if it is on top of the cabinet.
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We drilled two 3 inch diameter holes in the
back of the microwave shelf as well as an
exit vent in the back of the microwave area.
This picture shows the microwave
compartment, with the microwave removed
and the two hoses leading up to the bottom
of the collector box.
Fans
I installed a 3 inch diameter computer fan under one of the 3 inch holes to extract air. I
wired this to the existing fan control connections on the control box. NovaKool
representative told me that control unit is rated to switch up to 0.5amps (A) of fans.
There is already a 6in unit installed at the back of the fridge that is rated at 0.28A. The
3inch fan that I added is 0.1A, so I’m comfortably below their limit.
I noticed that the existing fan was installed on the starboard side of the fridge, set to blow
air starboard to port across the compressor. Since we now had a big inlet vent on the port
side of the fridge, I removed it and relocated it to the port side, just behind the new grill I
installed, and reversed it to pull air IN.
Parts
Part
Manufacturer’s Part
Number
Attwood 1494A5 (Black)
West Marine Number
Vent cover – microwave
cabinet
Collector Box
Hose (we used 3 ft of hose
in total)
1202050 (Catalog page
#463
2260735
103812
Attwood 1341-1
Shields 3 inch 116-400-
3000W
Vent cover – fridge cabinet Seateak 9” x 16” louvered
vent cover
Not in the West catalog.
Not all stores stock these –
you need to call the store
near you to see if they stock
them.
Additional fan
Unknown - 3in computer
fan from Radio Shack
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Interior Light
Richard Gray (AT34 #087 “Gray Dawn”) suggests:
“If you open your refrigerator and the light inside is hot, it is not turning off when
the door is shut. Just buy the small clear cabinet door bumpers at Lowes / Wal-
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American Tug 34 Owner Experiences
Mart /Home Depot and put one on the light switch to give you the extra 1/8 inch
needed to turn off the light.”
Door Thumb latches
Some ATs have little thumb 'backup' latches on the refrigerator door, to secure it better in
rough water. We did not have these, but NovaKool were happy to send us two, at no
charge. How nice is that??
They arrived in short order and Marion (I think that is his name) even called a week later
to ask if I had received the latches and if I had any questions or problems in installing
them.
The fridge and freezer door are designed to be reversible, for left-hand (as we have) or
right-hand opening. These latches screw into the three already-drilled ‘extra’ holes for the
hinges.
The screws take a little effort to get them started, as they are self-tapping.
Ice Maker
This is an option on AT34s, and if fitted, is installed in place of the cabinet to the right of
the stove.
Manufacturer
Sea Freeze of America Inc.
Website http://www.seafreezeinc.com/
Phone: (360) 733-8282
FAX: (360) 738-2411
Email: [email protected]
Address
1600 Kentucky St.
Suite B6.
Bellingham, WA 98229
We tend to only use our ice maker when we are in a marina plugged into shore power.
It’s a hybrid AC/DC unit: the compressor is AC, while the control circuitry is DC. It
therefore has a built-in inverter/charger, and is connected to both DC and AC circuit
breakers.
We prefer not to have the power drain of the ice maker when we are staying out on the
hook.
Whenever you turn off the ice maker and intend to leave it off for more than a day, be
sure to leave the door open so that it can dry out.
We made the mistake of shutting it off and leaving it off with the door closed for several
months one time – this resulted in the internal rotor system corroding so much that the ice
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maker would no longer function. The company sold us a new assembly (at cost) which
fixed the problem, but they also recommended leaving the door slightly open when it is
not in use so that the inside could dry out.
Doug Lindal reported:
“There were two problems, no AC operation and a whine on the DC side.
The first issue was a real no-brainer: the icemaker is plugged into a separate GFI
outlet under the sink and it has apparently been tripped since the boat was
delivered! I had of course checked to make sure it was plugged in, but never
suspected that it was on a separate GFI circuit.
The DC problem with the icemaker turned out to be a stripped screw that caused a
loose connection of the wire to the 20A circuit breaker on the panel. The unit was
consequently only getting 7-8 amps instead of the 13 amps it needs to operate so
it whined and shut down, which is a good thing as it could have burned out the
compressor motor. “
Stove – Force 10
Contact info:
Force 10 Marine Company
23080 Hamilton RD.
Richmond, BC
Canada, V6V 1C9
Phone (800)-663-8515
Email [email protected]
We have a Force 10 propane 3-burner stove with and oven. The model number for our
stove is 73351. There is a white sticker under the oven on the left hand side that has the
model and serial numbers on it.
Most west coast boats have propane, while most east coast boats have electric. Most
boats have a stove with an oven, while some have just a cook top. These boats tend to
have a combination convection/microwave rather than the standard microwave oven that
most boats have.
Propane Stove Components
The propane stove option includes the following components:
• Propane tank – A 20 pound aluminum propane tank which is installed in the
cockpit locker on the starboard side of the boat. This locker is sealed from the
boat interior, and has vents into the cockpit.
• Regulator – Used to regulate the pressure coming from the tank to the stove
• Pressure gauge from 0 – 300psi. Normal full tank pressure is around 120psi
• Solenoid – An electric valve that is located after the regulator and before the gas
line leading to the stove
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• Xintex/Fireboy control unit – A control pad located by the door on the side of the
galley cabinet.
• Propane sniffer – a small orange plastic device located under the galley counter
used to identify propane gas if there is a leak. (Propane is heavier than air, so
the sniffer is generally located low on a boat.)
• Force 10 stove
Propane Control and Leak Detector
The Xintex control unit is used to open and close the solenoid and also to monitor the
propane sniffer. If the unit senses propane, it will sound and alarm. Its is powered from a
distribution panel under the dash, that is fed through the ‘always-on’ circuit controlled by
a 30A breaker under the pilothouse seat.
Xintex Control Unit and Propane Sensor
The Xintex/Fireboy S-2A we have can monitor two sensors, but only had one installed
(the red thing in the photo above) under the galley drawers.
We added a second one, under the stove itself, ordered from the Xintex website. It is a
MS-2 Gasoline and Propane Sensor with 20' cable, $87.00 in 2004, and plugs right into
the control unit.
Testing
To test the sensor, press the button below each sensor. It should sound the alarm which is
silenced by pressing the alarm silence button. Periodically, we also carefully spray
propane from a barbeque lighter on each sensor.
Propane tanks are installed with a pressure gauge that after the regulator and before the
shutoff solenoid. Periodically you should do the following pressure tests to ensure that
there are no propane leaks:
• With the solenoid closed and the stove burners closed, check that the pressure
gauge holds pressure. If it does not, there is a leak somewhere between the
solenoid and the tank. Use soapy water over the short line and fittings to locate
this leak.
• With the solenoid open and the stove burners closed, check that the pressure
gauge holds pressure. If it does not, there is a leak somewhere between the
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solenoid and the stove. This is much more difficult to track down – as the lines
run behind the countertop on the starboard side of the boat. Check the fittings
first, as they are usually the source of propane leaks.
Safety Red Rag
We always keep the valve closed on our propane tank unless we are using the stove. As a
reminder that the valve is open, we keep a red rag draped over the top of the tank. When
we open the valve, we take the rag and place it in a prominent position in the galley. If
we look and see the rag in the galley, it’s a visual reminder that the valve is open.
Propane – cleaning orifices
The only problem we’ve had so far was with the oven. I noticed one day when I was
trying to bake something that it was not coming up to temperature.
When I called the folks at Force 10, they suggested that I needed to clean the oven
orifice. You will need a 7mm wrench to remove the orifice – which is a bit of an unusual
size.
They sent me the following instructions:
1. Unscrew the oven burner bracket from the back of the stove.
2. Rotate the burner (#55) 180 degrees to gain access to the orifice. (We ended up
removing this to get at the orifice)
3. Remove the orifice from the orifice holder with a 7mm wrench (#56 is the orifice
and # 57 is the holder)
4. Clean out the orifice with forced air or with a cotton swab dipped in alcohol.
Never use metal to clean the orifice
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Electric Stove
We don’t have the electric stove – so need info here…
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