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Manufacturer - Click for Complete List:
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Sun-Mar Corp.
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Manufacturer Number:
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CENTREX 3000 A/F
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Format:
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There is no flushing on the non-electric (NE) composting toilets, the waste drops directly into the composting drum. The process of composting really needs no electricty, since it is bacteria and oxygen powered. The drum is tumbled once or twice a week with the attached handle to oxygenate the compost.
The electric units have a heating element and fan built in that evaporates excess moisture and circulates air to aid in the composting process. The non electric units use an evaporation tray, but also have an overflow drain fitting for excess liquid. The non-electric units require a bigger (4”) vent stack to facilitate the chimney effect of the natural drafting.
CENTRAL SYSTEM
WHAT'S IN THE BOX?
Shipping cartons include (at no extra cost) everything needed to install and operate the unit. The only exception is the 3" plumbing pipe and fittings needed to connect a 1 pint flush toilet to a central composting unit.
Contents of Shipping Carton
An Owner's Manual (specific to each unit)
Warranty Card
Peat Mix (30L bag, 2 bags in Centrex 2000 and Centrex 3000) and dried bacteria for starting off the unit
Rake for periodic clearing of the evaporating chamber
"Compost Quick" enzyme for speeding up composting
Complete vent kit including all pipe, fittings and vent intake assembly.
Vent Stack
All central units include a Diffuser (Vent Cap) for 2" or 4" pipe as appropriate.
Electric vent pipe sizes and length 2" by 15 ft.
Non-Electric vent pipe sizes and length 4" by 13 ft.
Vent kits for 2" pipe include two 45° and one 90° elbow in addition to the necessary connectors.
Non-Electric 4" kits include only connectors, except for the 4" CENTREX 2000 A/F NE and Centrex 3000 A/F NE units which also have two 45° elbows and a 2.4 Watt 12 Volt fan for installation in the vent stack.
AC/DC units have a complete 4" vent kit in addition to a 2" kit, plus a 2.4 Watt 12 Volt Fan for installation in the 4" vent.
Also Included:
Waste inlet assembly for all central units and a complete waste inlet piping kit for A/F units
10 feet of 1" diameter drain hose for all central units.
Evaporating tray for placing under the drum screen to catch excess peat moss.
Vent Stacks
One of the main tasks is the installation of the vent stack, which is included with all units.
The vent kits included in the shipping carton are sufficient for installation in most single story buildings. If more is needed they are normally easy to find. All vent pipes are thinwall PVC.
For more vent stack installation information, go here: http://www.sun-mar.com/insta_cent_vent.html
Toilet Installation
The second main task of installing a central unit is the waste piping installation. Go here for full information on how to do this: http://www.sun-mar.com/insta_cent_pipe.html
Electrical
All electric units are supplied with a power cord and pre-molded plug which connects to a standard (3) pin 115 Volt outlet and powers both the fan and heating element. 12 Volt fans for non-electric models can be installed in-line with the stack, and connected to a battery which draws from an alternate source of energy, such as a solar panel. Drains Central units are all fitted with 1" drains, which should be connected to an approved drain pit, container, or other facility. Go here for more information on handling excess liquid: http://www.sun-mar.com/installation/excessliquid.php
Winter Use
SUN-MAR units serve as a reliable year-round facility when prepared for continuous or periodic use during the cold winter months. If you use your cabin only once in a while in the winter, the unit may be used as a holding tank during this time. If your SUN-MAR will be in use every weekend in the winter, or in a residence, the temperature must be kept above 55 degrees F at all times to keep the compost going. Go here for more information on winter use: http://www.sun-mar.com/insta_cent_winter.html
SELF-CONTAINED UNITS
WHAT'S IN THE BOX?
Shipping cartons include (at no extra cost) everything needed to install and operate the unit. The only exception is the 3" plumbing pipe and fittings needed to connect a 1 pint flush toilet to a central composting unit.
Contents of Shipping Carton
An Owner's Manual (specific to each unit)
Warranty Card
Peat Mix (30L bag, 2 bags in Centrex 2000 and Centrex 3000) and dried bacteria for starting off the unit
Rake for periodic clearing of the evaporating chamber
"Compost Quick" enzyme for speeding up composting
Complete vent kit including all pipe, fittings and vent intake assembly.
Vent Stack
All central units include a Diffuser (Vent Cap) for 2" or 4" pipe as appropriate.
Electric vent pipe sizes and length 2" by 15 ft.
Non-Electric vent pipe sizes and length 4" by 13 ft.
Vent kits for 2" pipe include two 45° and one 90° elbow in addition to the necessary connectors.
Non-Electric 4" kits include only connectors, except for the 4" CENTREX 2000 A/F NE and Centrex 3000 A/F NE units which also have two 45° elbows and a 2.4 Watt 12 Volt fan for installation in the vent stack.
AC/DC units have a complete 4" vent kit in addition to a 2" kit, plus a 2.4 Watt 12 Volt Fan for installation in the 4" vent.
Also Included:
Waste inlet assembly for all central units and a complete waste inlet piping kit for A/F units
10 feet of 1" diameter drain hose for all central units.
Evaporating tray for placing under the drum screen to catch excess peat moss.
Vent Stacks
The main task is the installation of the vent stack, which is included with all units. The vent kits included in the shipping carton are sufficient for installation in most single story buildings. If more is needed they are normally easy to find. All vent pipes are thinwall PVC. For more vent stack installation information, go here: http://www.sun-mar.com/insta_self_vent.html
Electrical
All electric units are supplied with a power cord and plug which connects to a standard (3) pin 115 Volt outlet and powers both the fan and heating element. 12 Volt fans for non-electric models can be installed in-line with the stack, and connected to a battery which draws from an alternate source of energy, such as a solar panel.
It is recommended that all units be installed on a GFI (Ground Fault Interrupt) circuit to protect your unit from power surges.
Drains
Electric units include ½" emergency safety drains. These should be connected if heavy use, residential use or power outages are anticipated. NE (Non-electric), AC/DC, SPACESAVER and Sun-Mar Mobile units are all fitted with 1" drains, which should be connected to an approved drain pit, container, or other facility. Go here for more information on handling excess liquid: http://www.sun-mar.com/insta_self_drain.html
Every living organism consumes nutrients and creates waste. To transform waste back to nutrients and complete this cycle, nature uses the processes of decompostition and evaporation. As is often the case, nature seems to be doing business in the best way possible.
That's why Sun-Mar toilets are designed not only to harness these natural processes, but to optimize and accelerate them.
Toilet waste is over 90% water content. This can be evaporated and carried back to the atmosphere through the vent system. The small amount of remaining material is recycled into a useful fertilizing soil.
Wherever there is a poorly working septic system, a Sun-Mar can take care of the toilet waste; where there is an outhouse we offer the luxury of an indoor facility; and where there is no toilet at all, a Sun-Mar provides the right environmental choice. Sun-Mar units are economical, quick to install and easy to use.
Because no chemicals and no septic systems are used, fragile environments can be protected. A Sun-Mar composting unit is an environmentally healthy choice for recycling human waste.
The Sun-Mar system produces no pollutants, while collecting nutrients. With a Sun-Mar, recycling is made easy!
Odor Free
As well as ensuring an aerobic breakdown in the Bio-drum, Sun-Mar ensures an odor free environment by engineering the air flow within the unit to maintain a partial vacuum at all times. Air is being drawn in either by a fan (or on non-electric units by the vent chimney) over the evaporating chamber and up the vent stack. Not only does this evaporate excess liquid, but by continuously pulling air in we ensure no smell escapes from the unit.
Evaporation is assisted on electric units by a thermostatically controlled heater in a sealed compartment underneath the evaporating chamber.
Sun-Mar's Unique Bio-Drum
The ideal way to compost waste would offer operational simplicity, and an environment where there is warmth, moisture, organic material, and oxygen. Sun-Mar creates this ideal environment in the patented Bio-drum.
The unique Sun-Mar Bio-drum ensures aerobic microbes flourish and work much more quickly to break down waste and convert it back to earth.
Waste and peat mix bulking material enter through the waste inlet port at the top of the drum. To mix and aerate, rotate the drum periodically, simply by turning the handle on the front of self-contained units or on the side of central units. During rotation the inlet door closes automatically keeping the compost in the drum.
To empty compost from the Bio-drum simply release the drum locker and rotate the drum backwards. Now, the inlet port in the Bio-Drum opens automatically and compost drops directly into the compost finishing drawer.
After rotating, the Bio-drum locks itself in a top dead center position ready to receive new material.
Advantages of a Separate Compost Finishing Drawer
Composting can be completed in the drawer without contamination by fresh waste.
Compost in the drawer is gradually dried until ready for removal
Finished compost can be simply and safely removed
The finishing drawer serves two functions: to receive the compost in an easily accessible isolated container, and complete the composting and sanitation processes.
All Units Except CENTREX 3000 Series
Compost drops directly into the finishing drawer when the drum is rotated backwards.
Composting is completed in the drawer, where it is isolated from fresh waste and possible contamination.
While in the drawer, the compost is surrounded by a stream of drying air, and gradually dries prior to removal.
The pull out finishing drawer is removed by hand (no tools or screws are needed), and the sanitized compost may be emptied whenever more compost is to be extracted from the drum.
For seasonal units, several drawers may be removed in the Spring, reducing the compost level in the drum to 6-8" to make room for next year’s operation.
CENTREX 3000 Series Units Only
There are two compost finishing drawers in the CENTREX 3000 series units. Both are easily removed by hand and are interchangeable.
The first drawer is inside the collection housing at the side of the unit. This is where the finished compost automatically falls after leaving the second section of the Bio-drum.
The second drawer is located inside the unit. Moving compost from the first drawer to this second station allows the composting cycle to be extended if necessary. This can help ensure the compost is safe to handle.
For seasonal units, the second section of the drum can be emptied in the Spring by rotating the drum backwards and dropping compost into the second drawer.
Compost must be kept moist but not saturated. Excess liquid from the drum strains through a stainless mesh screen into the evaporation chamber. The ideal environment for evaporating any excess liquid is a large surface area combined with heat and moving air. Sun-Mar meets these criteria in the evaporating chamber.
Any liquid not absorbed by the compost in the drum drains through the screen directly into the evaporating chamber.
On all central units the liquid falls first onto an evaporating tray and then to the main evaporating surface. The tray not only helps oxygenate this liquid, it also traps any peat mix debris, and almost doubles the evaporating surface. Evaporating trays can be removed and cleaned if necessary, through the door opening on Centrex 1000 and 2000 units, and through the drawer access port on Centrex 3000 units.
For optimum results evaporation is assisted on 110 Volt electric models by a thermostatically controlled heating element. Sealed in a compartment underneath the evaporating chamber, the heater warms the floor of the evaporating chamber without drying out the compost.
In non-electric units, although some liquid is evaporated by passive venting, the overflow drains must always be connected.
FAQ
How much odor comes from a composting toilet?
None. Air is being continuously drawn in to the unit and up the vent stack, creating a partial vacuum in the unit. In addition, the composting drum fosters a good aerobic compost which produces no odors.
How often do you empty it?
Never completely. You typically empty some of the compost out of the drum once per year for cottage use, once every few months for residential use. In cases of continuous use, you may extract some compost more often. This always sits in the drawer to cure before being removed - you are never handling any fresh waste when the unit is properly operated.
Do I add any chemicals?
No. The only thing that is added is peat moss mixed with wood shavings, (60% wood shavings, 40% peat moss, or Sun-Mar's Compost Sure peat mix with hemp). Chemicals are, in fact, dangerous to the composting process and should never be added at all.
What happens in the winter?
Nothing. The compost remains in the drum and freezes, so no composting is taking place. The elements will NOT damage the system during the winter months. In fact, waste can be added in limited quantities during the winter for use as a holding tank, if you are only planning to use the unit about once a month.
Can it be used all winter?
Yes. If the area where the composting unit is heated to a minimum 55 degrees Fahrenheit throughout the winter, then composting will occur.
How much hydro do they use?
About 150 Watts. The electric units require hydro to power a fan (30 Watts continuous) and a heating element that is thermostatically controlled. The average draw is about 150 Watts, or the equivalent of a lightbulb. Larger models may have larger power requirements.
What if no electricity is available?
No problem. Each Sun-Mar toilet is available in a non-electric version.
I have a generator that runs part of the time. Can I use an electric unit?
No. A non-electric unit is recommended or a unit that has both electric and non-electric capabilities (AC/DC unit).
How do you clean it?
You only have to clean the bowl (in a central system) or the bowl liner (self-contained unit) as you would a regular bowl, except without the use of chemicals. Recommended cleaners are Sun-Mar Compost Quick or hot water that is mixed with baking soda or vinegar.
Does the Fiberglass used in your composting toilets smell?
Does the fiberglass used to make the body of your car smell? No. Off gassing from the fiberglass production process does produce an odor, but it is gone by the time that the toilet is built and boxed.
What kind of plastics do you use in your production?
We use high quality, recyclable, cold-resistant plastics. Sun-Mar engineers use the best materials for each part of the design. We find that this produces a better product than using one material throughout.
Where are your toilets built?
At our plant in Burlington, Ontario, Canada. Please feel free to come and see us anytime during business hours.
Why do you have so many systems?
To meet every need possible. If you find unit selection complex, use our automatic model selector or follow our simple question process.
How Do You Get the Most Capacity out of a Composting Toilet System?
Different sizes of drums. Common sense tells us that more people means more waste, and for more waste we need a bigger composting vessel. Sun- Mar is the only company that offers a larger solution for a larger problem.
Why Don’t you sell your Toilets directly?
We do! If you do not have a dealer in your area, feel free to order through us or one of our mail-order/internet dealers. Either way you will receive access to excellent free after-sales support directly from us.
Do animals harm the system?
No. The compost is not something that is attractive to animals. Some people do build an enclosure to ensure curious animals or children don't tamper with the units.
What is the warranty?
The warranty is 25 years on the fiberglass shell and 3 years on all other parts.
What parts wear out?
Like brakes or tires on a car, certain parts eventually need to be replaced. On Sun-Mar toilets, the fan and the thermostat usually fail after a number of years. In both cases the parts are inexpensive and are easily accessible for you to repair.
Is the Fan Noisy?
The fan on our AC models is just as noticeable as an oscillating room fan in terms of noise level. If you are concerned about fan noise being a problem, you can purchase a fan speed control with your unit that will allow you to turn down the fan speed, and therefore the noise, whenever you like.
On a central system, how far away from the toilet bowl can the composting unit be located?
Up to 15 feet is usually safe. We have encountered cases that have had longer distances, but in every case we recommend that you carefully follow installation instructions. It is very important that you carefully measure the slope of the pipe in any case.
How many toilets can I hook up to a central system?
You may connect up to 3 toilets to any one system. The amount of toilets is not as important as the number of people using the system.
Can you throw the paper in the toilet?
Yes. The paper is a source of carbon for the compost. You do not need to buy special toilet paper to use in our system, as a properly operating compost will break down regular toilet paper in a short period of time. Of course single ply will break down faster, but it is not necessary - and anybody who tells you it is is probably trying to sell you fancy expensive toilet paper!
Should males still urinate outside or in the outhouse?
No. In fact, the liquid is beneficial to the composting process.
Use & Maintenance
Operating a Sun-Mar is easy. There are two things that you have to do on a routine basis - rotate the drum and add bulking material, at the rate of a cupful per person per day.
When it comes time to empty, you are never dealing with fresh waste; when the drum is 1/2 to 2/3 full, you rotate the drum backwards by releasing the drum locker and dump some compost into the finishing drawer. Leave it there to finish batch composting for 3-4 weeks.
Installation instructions are online here: http://www.sun-mar.com/insta.html
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UPC:
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773624025307
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