Aspen C90 User manual

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C90$Owners$Manual$

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The C90 has three main battery switches , House On/Off ,Engine On /Off,
and Emergency Parallel. The normal operation position is to leave both
Engine$and$House$switches in the On Position, Emergency Parallel is Off.
Emergency parallel is rarely used, the boat has a Blue Sea’s Voltage
Sensitive relay (black box near switches) it disconnects the House Batteries
from the Start Battery. When the voltage on the Start Battery drops below
12.7 volts it disconnects, once the charging system has brought the Start
Battery back up to 12.7 volts it reconnects to the house battery bank.
The Batteries have three charge sources, First, 2 ProMariner Chargers (8A
for Start Battery and 20A for House Battery) Shore Power is connected and
AC Breakers at dash are switched on. Second, two 80W Solar Chargers
(10A) while anchored-automatic, Third is a 125A engine driven Alternator.
Thruster Battery Switches, These are mounted below the main
battery switches and are normally on. These must be switched off
when swimmers are in the water or for service. The thrusters are
very powerful and will suck objects in the water toward them. Do
not operate Thruster for more that 30 seconds at one time or motor
may over heat.

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The C100 fuel system includes two filters and a electric switching valve at the dash. In
normal operation there is no owner/operator activity other than to inspect the Raycore
Filters clear glass bowel for water (clear liquid) and drain in to cup through petcock at
bottom if present. If the boat has set unused for several days you will need to wait for
the engines electric fuel pump to stop before cranking (light buzzing noise). The engine
has its own fuel filter assembly but this is not typically changed as it is protected by the
Raycore unit. The engine has a manual fuel pump activation button on its port side fwd
near the top. The Raycor uses a 10 Micron 500 series diesel filter.
Fuel Tank Switch is located to the left
side of dash. Its is labeled Main and
Aux, Main is the engine side tank, Aux
is the port tank. Depress toggle for tank
desired. You typically will run on one
tank for 3 hrs then switch, so tanks drop
equally while underway. Each tank is 40
gallons approximately 36 is usable.
With full fuel at 14Kts you should have
approximately 16 Hrs running time.
This switch also swaps the engines fuel
return lines at the same time.

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Always On 12V power Fuse is just inside engine room door.
It supplies power to the boats 6 automatic bilge pumps,
heater, Co censor and other devices that need power to save
memory settings. It is not affected by battery switch
position. If Fuse is Burned Out, there is no bilge pump
protection from leaks. To change the fuse the Philips screws
need to be loosened for removal.
Engine room inside wall

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The Volvo D3 150 engine uses premium
15-40 oil. It’s best to check oils prior to
use. Be carful not to spill or overfill.
Change oil and filter when new at 50 hrs
then every 100 hrs after.
The ZF Transmission uses ATF (automatic tranz fluid) oil for its gear lubrication and
to engage its clutch. Check oil engine warm/Idling in nutural with dip stick pushed
against the threads but not screwed in to the housing. If the oil is low the clutch will
drop out and the boat will stop-find leak-refill. To top off, it’s easiest to fill through
the dip stick opening with supplied funnel check frequently while filling as
overfilling can damage the transmission. Change after 50 Hrs and then every 100
hrs, clean wire mesh filter.
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This Blue Seas Systems
unit separates the house
batteries from the start
batteries automatically
when the house voltage
is bellow 12.4 volts. No
user activity is required.
Battery Chargers
These ProMariner automatic
chargers are wired to come on
when the boats shore power is
connected and the A/C breakers at
the dash are switched on. The
chargers are 4 stage smart units
that charge aggressively if the
battery is low and then ramp down
as it fills. They then drop out
completely when full and then do a
small topping charge weekly. The
design greatly extends battery life
and over charging and subsequent
battery damage. Check battery
water levels monthly ,lower water
levels/ exposed plates will damage
the batteries lead plates requiring
replacement.
Under Dinette Hatch
Note: Chargers will only charge
if they see voltage. If batteries
have been run dead flat you will
need to use Emergency Parallel
Switch, charge for 10-15 minutes
to charge batteries enough for
Charger to see voltage.

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There are two raw water valves on the boat both in the Starboard
Lazarette (inside hull side fwd). The smaller one ½”is for the head
and the aft deck wash down. The larger one 1.5”is for the engine
cooling water.
½Inch raw water valve is run typically at 45 degrees to reduce its pressure
while underway and stop head overflow. These valves are typically left on
as running the boat with valves closed will damage the engine and
impellers.
Raw Water Valve OFF Raw Water Valve On, 45 degrees
Engine Cooling Water Ball Valve Off Engine Cooling Water ON
Be sure to close valve when cleaning the raw water strainer

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House Batteries 2ea
G27 12V Deep cycle,
wet lead acid, 4”
water lift muffler to
left, drain muffler
when stored for
winter with drain bolt
at bottom, re-silicone
bolt after.
Engine start battery G27
(Center), Teliflex SeaStar
hydraulic steering ram. Note:
Rudder packing should be re-
tightened/checked with each oil
change.
Drip-Less shaft seal

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Propane tank is in the Port Cockpit storage
locker. Note: Locker is plumbed with a
hose to a through hull overboard so a gas
leak would not inter the boat. If you ever
smell gas stop-turn off valve and open boat
to clear fumes. Find leak.
To use, make sure hose connection is
tight, open valve, gauge will show
aprox 90 Psi. If you hear a hissing or
smell gas turn valve off ,check
connections w/ soap 50/50 water
solution.. 15 pound tank will
typically last 2+ weeks.
Electric shut off valve only comes on if gas
controller by sink is on and sniffer smells no
gas.
The tank must be centered in compartment
to latch lid in place.
Start Battery
Location

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6 Gallon Seaward Hot water heater SS is
located in the hull under the refrigerator.
It runs on 120 V while at dock. Note it
draws 2000 watts so you will not be able
to run large additional loads while water
heater is on. Switch its breaker on only
when hot water is needed. While
cruising the engines hot water is
plumbed through the heater to heat
water.
28 gallon holding tank (black water) This
tank as are both water tanks are equipped
with a density sensor gauge system located
to right side of dash, press right hand button
to check holding tank level. If tank is full the
head will not flush. You must be 3 miles off
shore and in a area with current that will
flush to use the macerator switch at dash.
Note :shut boat off to hear change in tone
when tank is empty, running pump dry will
damage its rubber impellers. The tank can
also be emptied at a pump out station using
the fitting near the transom door. The tank
includes two dip tubes so there is no Y-Valve
to switch.
Pressure Water Pump and
Strainer: The C100 has two water
tanks (24 gallons port side and 26
gallons Starboard side) each has a
dedicated pump. The fresh water
pump switch is located on the
dashes lower DC switch panel.
Two tanks are provide so owners
can use water to trim the boat port
to starboard if needed. Water like
fuel is a heavy cargo, top off only if
you need it. Water Tanks must be
drained and system primed with
RV antifreeze during winter
storage.

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Stow fenders and dock lines in aft
compartment
Fill Water tanks as needed (port
and starboard) Cockpit fwd walls.
Be sure water is good ,taste it! Ask
fellow boaters. During long
inactive periods ad a little chlorine
to keep fresh.
Switch on Engine Blower, a cool engine is
more efficient.
Switch on Refrigerator, lower left DC panel.
Note: Switch Fuses are
behind cover plate.

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The propane sniffer control unit is
just fwd of the sink. This units
power may be switched with the
black switch just forward of it. The
sniffer is very sensitive and false
alarms can be disconcerting, when its
off the solenoid valve in the tank is
closed. When stove is not in use tap
the control button and turn the gas
off . It will take about 30 seconds
before the sensor can be turned to
ON position.
Green light When Power is on but
unit is off
Gas is on when the green Light is ON.

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DC Panel: This panel is fed from the house
batteries . It includes both voltage (pressure
gauge) and Amp gauge (volume) to manage
your power during the day, reducing amps
used is most important to extending battery
life. While boating turn all the breakers on
as shown. The small silver toggle switch
will show battery voltage engine (left #1)
and House (#2 center), #3 is not connected
as we have only two battery banks. These
breakers then feed both dash DC switches
panels and the fuse blocks for electronics
and pumps. A DC shunt is standard for the
amp meter.
AC Distribution Panel: This panel is fed
from the 30 Amp shore power
connection. Typically, all the breakers
but the hot water heater are left on
energizing the boats outlets. If you see
the red reverse polarity light lit (2nd bulb
down) see your dock master before
continuing some boat systems could be
damaged. Turn on hot water only when
needed. Both panels are Blue seas
systems premium panels.

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To read tank level:
Left Gauge = Left Water Tank
Right Gauge = Right Water Tank
Center Gauge = Waste Tank
Solar Panel Charge Controller: The Solar
Boost 2000 is a premium charge controller
that helps capture all the suns peak mid day
energy. The unit is automatic and requires
no operator input as the battery's become
fully charged it automatically ramps down its
charge so batteries are not over charged. It
also automatically shuts down if it sense
another charge source (engine or battery
chargers) The slide switch is useful to see
battery banks volts and current input. Note: If
it seems not to be charging while out, the
batteries maybe full or the Kayaks are
blocking the sun. If batteries are low and the
sun is bright the unit will put out up 11
amps.

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Thrusters: these Side Power units are
very handy while docking. Once battery
switches are on depress both ON buttons
at the same time, green light will come on.
Now the joy sticks are ready press bow
stick left boat goes left. Use in 20-30
second bursts never more than 3 minuets
of use to keep motors cool. Be certain no
one is in water near boat the thrusters
work like vacuum cleaner sucking from
a large area. Unit shuts off automatically
after 3 minuets of inactivity. A wireless
remote is available for solo docking.
Icom VHF Radio. To turn on rotate top
right knob, most conversations with other
boaters will be on low power, use Ch 16 only
for hailing ,then switch to 72 or 68, weather
also available by pushing WX button. Lower
Knob is squelch use it to turn down
background static.
Wiper Motor –Washer Control, These
are on left side of dash, two speed push
to wash, Wash tank is in back corner of
storage bin behind refrigerator under
helm seat you will have to remove safety
gear for access. Rain – X works great on
front and side windows to aid in
visibility

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STARTING ENGINE: Once batteries and
blower are on you can start, engine (starter
will time-out after 20 seconds), switch off-re
crank. If motor does not start open engine
room door and push primer plunger on white
fuel filter until hard, then restart. Important
you must warm engine up slowly over 10-15
minuets at RPMs under 2,000 prior to
running at cruise RPM Do not go above 2,000
Rpm until motor has reached 176 degrees. 80%
of engine wear is while motor is cold.
Engine Computer: This is a very useful
instrument. Toggling the propeller
button shuttles you to a variety of data.
It’s fine to push the boat and horizon
button for additional information. Oil
pressure while running will be about 90
Psi, water temperature will be about
176-180. If you hear a horn or beeping
while underway you must stop and
determine the cause. Engine manuals
are under helm seat in blue bag.
Safety Gear Storage-
manuals

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Pumps Panel: This panel controls the
boats bilge pumps and shower sump
pump. Most of these are automatic but
these switches allow you to turn each of
the 6 pumps for each water tight
compartment on manually. Other than
fresh water these switches are normally in
the off position . This panel is fed from the
pumps breaker on the DC main panel. The
automatic portion of the bilge pumps is
not affected by this panel. Note: The
engine room has a 7th pump (1100GPH
emergency pump) this pump is wired to a
very loud horn behind the dash. Should
you loose an engine hose and begin to fill
the engine room this pump and horn will
come on automatically.
Ships Systems Panel: This
panel includes navigation lights,
blower and many other ship
systems. It is also fed from the
main DC panel breaker. At dash
center. These panels have separate
automotive blade fuses under the
plastic snap cover ranging from
5-20 amps. If a fuse has blown
determine cause possibly debris in
pump ,shorted wire . Fix then
replace fuse. To access fuses
careful ly pop grey cover off with
tape wrapped dinner knife or flat
blade screw driver-pull rubber
gasket over fuses and replace fuse.

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The C90 is equipped with large trim tabs. This tabs are primarily
used to trim the boat for maximum efficiency and comfort while
cruising. Due to their size and positioning, they can lift a great
deal while creating very limited drag. Typically after setting for
a given throttle RPM you will level and trim down to find the
maximum speed for that RPM. If the seas are choppy you may
find that less trim is a softer ride and dryer. Use your discretion.
I find in 0-12”seas full tabs is often most efficient and a good
ride. In 12-24”seas you will need to reduce tabs to 2/3 or less
and let the bow float through the seas. In larger seas you may
find no tab is best. Please note your best ride in heavy seas will
often be at 14-17Kts. If the boats bouncing or thumping try
something different.
Zero Tabs: Used for large seas 14-20 Kts
½Tabs used in 2-3ft
seas 14-20 Kts
Full Tabs used in 0-1 ft Seas 14-17 Kts
Note: Retract tabs when not in use to protect
actuator shaft from marine growth – barnacles.
½Tabs used in 2-3ft
seas 14-20 Kts

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First mixer is set to temp, The sink wand lifts
to hanger near door, curtain from shelf behind
door is snapped into ceiling buttons, auto
sump pump under head evacuates water. Dry
door and shower area when done. Door can
be left open or closed when showering. Note:
Boat showers are recommended to conserve
water. IE get wet, turn off, soap up, rinse off.
Sprayer has three positions, Off, On
with button, On full time.