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Sun-Mar centrex 2000 af, Owner'S Manual

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Sun-Mar centrex 2000 af Owner'S Manual Download Page 12

Urine Odour
around 
Centrex
2000 AF 

Symptom       Cause               Remedial Action              

Prevention

Included 
In Your Kit

Installing the
AF Toilet
Base

The
Transition
Piece

1- Owners Manual

1- 1  1/2” (38mm)Roof Flashing (Electric & AC/DC)    

1- Warranty Card

1 - 4” (100mm)Roof Flashing  (NE & AC/DC)  

1- Evaporation Tray

6- 2”x30”(51mm x 787mm) PVC Pipe (Electric & AC/DC)   

1- 8’4”(256cm  x 25 mm) Drain Pipe               1- Centrex 2000 Hardware Kit
1- Rake

1- 4”(100mm) Diffusor  (Electric & AC/DC)     

1- AF Transition Piece 

1- 6”(150mm)  Diffusor  (NE & AC/DC)    

5- 4” x30” (100mm  x 785mm) ABS Pipe (NE & AC/DC)   
1- Centrex 2000 NE Hardware Kit (NE & AC/DC)          
1- 12 Volt 2.4 Watt Fan (NE & AC/DC)    

1- 44”(112cm) Extension Pipe Piece

1- AF Silicone Kit

The AF “Dry Toilet” comes preassembled. For the purpose of explanation,

the toilet base is the bottom of the toilet which is secured to the bathroom
floor, the toilet chute is the black inner section (shown in Fig. A) that fits
through the floor and is attached to the toilet top, the toilet top is the upper
part of the toilet that attaches to the toilet base, and the bowl liner which is
the black removable funnel shaped piece below the toilet seat.
To install the AF “Dry Toilet”, follow the procedure outlined below:
1. To locate the position of the hole, place the toilet chute in the desired
location and trace the 10”(250mm) diameter cut out in the bottom of the toi-
let base on the floor in the bathroom. (See Fig. A)
2. Drill a 1/2”(6mm) hole on the front of traced line and then check under
the floor that the hole will be clear of floor joists and will line up with the com-
posting unit below. (See Fig. B)
3. If the position is correct, complete the cutting of the 10”(250mm)
diameter  circle with a jig saw. (See Fig. C)
4. Center the toilet base over the 10”(250mm) diameter hole that has been
cut out of the floor and securely attach to the floor by using the four 5/16” by
2 1/2”(8mm by 64mm) lag bolts that are provided with your kit. (See Fig. D)
**Prior to finishing the toilet installation, it is a good idea at this time to do a
pre-assembly check to see if you will need any extension pipe 

Place transition piece(Fig. E)  into the waste inlet hole on the top of the
Centrex 2000 AF composting  unit. Make sure that the transition piece
is completely vertical on the unit, or completely vertical. It is important
that the transition piece is not tilted so that waste can drop directly into
the composting drum.

Fig. E

Fig. D 

Fig. C

Fig. B

Fig. A

Horizontal runs or
downward slopes on
pipe are causing con-
densate to block
50mm vent pipe.

Fan has failed (AC or
DC mode)

Device other than Sun-
Mar diffusor is
installed on top of the
vent stack
Room where unit is
located is airtight.

50mm vent stack has
too many bends
and/or horizontal
lengths.

Not enough air being
pulled down the dry
toilet

Re-install the vent so there are no longer any low
points where condensate can collect. If re-instal-
lation is not possible, drill a small hole in the bot-
tom of the low point (preferably outdoors) to
allow condensate to drain. (Note: watch for icing
in winter at this hole.)
Have your serial number ready and call Sun-Mar
for a replacement. Instructions are included with
the replacement fan.

Wind turbines or vent caps may be discouraging
air movement. If so, replace with a Sun-Mar diffu-
sor.

1. Hold a lighter up to the air intake holes on the

back of the unit. Air should be drawn into 
the holes. If air is not easily pulled in, check 
venting for too many bends or horizontal 
lengths and/or provide more ventilation to the
room.

2. Install fresh air intakes on any competing 

appliances.

1. Re-install the 2”(50mm) vent stack to reduce 

the  number of bends/eliminate horizontal 

lengths.

2. If the vent stack cannot be further straight-

ened, remove the AC fan assembly and 
reduce  the amount of recirculating air by 
adjusting the fan gate (see page 14).

Two 3”(75mm)  diameter air intake holes covers
are supplied with the hardware kit. One or both
of the air intake holes at the rear of the unit, may
be covered so that more air is pulled down the
toilet.

Install wall brackets on vent pipe
to prevent settling. DO NOT
install horizontal runs as liquid
will collect and block ventilation,
causing odour.

The fan is a constantly moving
part and has a finite service life.

Wind turbines or vent caps
should not be installed on or,
instead of a Sun-Mar diffusor.

Install your Centrex 2000 AF  in
an area  with plenty of ventila-
tion and watch for competing
appliances such as bathroom
fans and wood stoves.

Install the vent with minimal
bends (total bends should equal
no more than 360 degrees) and
NO horizontal or downward
slopes.

Covers should only be inserted if
they are needed, because inser-
tion reduces airflow over the
evaporation chamber, which in
turn reduces evaporation per-
formance.

- 11 -

- 24 -

Most problems are prevented through proper maintenance and the use of proper bulking materials in the toilet.  If you
do have a problem which may be a mechanical or installation problem, this Trouble Shooting section will help you solve
it.  If you still have further questions, contact technical service at Sun-Mar  for advice .

Chapter 5

MECHANICAL TROUBLE SHOOTING 

Summary of Contents for centrex 2000 af

Page 1: ...7 or Electric Units 6 Adults or families of 8 Residential Continuous Use NE units 3 Adults or a family of 5 or Electric Units 4 Adults or families of 6 Standard 41 Certified for liquid containment odors and solid end products in both residential and cottage use Certified to NSF ANSI Standard 41 CENTREX 2000 AF CENTREX 2000 AF AC DC CENTREX 2000 AF NE Electrical Specifacations 2000 2000 NE 2000 AC ...

Page 2: ... 34 ...

Page 3: ...n Installation Handling Effluent Vent Piping Location Adjusting the Fan Gate Vent Piping Installation Leading the Vent Through the Roof The Diffusor Electrical Considerations 12 Volt Fan Installation 3 7 3 3 3 4 4 5 6 6 7 8 8 8 8 9 15 9 10 11 11 11 12 12 12 13 13 13 13 14 14 14 14 15 15 15 16 Start Up and Use Initial System Start Up Annual Start Up Periodic Check Up Ongoing Maintenance Compost Tro...

Page 4: ...f the unit handle side automatically holds the Bio drum in a top dead center position so that it is always positioned to receive new material To ensure that the compost remains moist but does not get too wet between 40 and 60 moisture content is ideal any excess liquid which the compost cannot absorb drains through a screen in the bottom of the drum directly onto an evaporating tray beneath the sc...

Page 5: ...ns Sealand toilet and Centrex Family Central Units The toilet is porcelain and should be cleaned with hot water or bio degradable products to avoid damage to the compost If required Compost Quick or Baking Soda can be used diluted in hot water Three times a week weekly maintenance Turn drum to reveal waste inlet hole through access port and add compost mix at the rate of 1 cup 250ml per person per...

Page 6: ...sories not sold or manufactured by SUN MAR Corp or any damage resulting from the use of such items 3 Damage or failure resulting from failure of the purchaser to follow normal operating procedure outlined in the Owner s Manual or in any other printed instructions 4 Labor and services charges incurred in the removal and replacement of any parts found defective under the terms of this warranty 5 All...

Page 7: ...mm Drain Assembly 26 AM DRUMS 0329XX Drum Screen 12 PF EVAPT 0789XX Evaporation Tray 27 AO DRUMD 2004XX Drum Door 13 PF DRAW1 0764XX Centrex 2000 Drawer 28 AO DRUMD 2004XX Drum Door 14 P0 ELECB 0001AX Electric Box Assembly Electric and AC DC 29 AO HANDL 3000XX Swivel Handle 15 PF HEAT2 0803XX Heater Base Electric AC DC 30 PP TOPC2 0802CX Centrex 2000 AC DC Top 16 PP GASK0 0188BX Rubber U Channel 3...

Page 8: ...ing forwards or to the right If you are unsure of the grade of the floor install it with a wedge piece Remove horizontal sections of vent pipe and insulate all exposed 2 50mm venting When returning the drum to top dead center position do not bang against drum locker with excessive force Remember to pull out the drum locker button before rotating the drum backwards Not a common repair Keep composti...

Page 9: ...likely to fail Both are easy to replace i If there is any visible damage to the carton the contents of carton MUST be inspected before signing bill of lading Damaged units should be refused Call Sun Mar immediately ii Before signing the shipping papers and dismissing the driver ensure that the carton contents have been inspected iii If the shipper has left Report the damage immediately to the tran...

Page 10: ...ween installations The overflow drain needs to be installed on all Centrex 2000 AF models as you will have overflow in DC mode and with heavy use on AC mode Check heating not working To get rid of these fill the evaporation chamber with very hot water Leave overnight Drain all Liquid through the overflow drain by tip ping the unit up make sure overflow is hooked up first Connect overflow safety dr...

Page 11: ... anaerobic Fan damaged in shipping or bear ings are beginning to wear if it is rat tling 1 Check that the vent is installed 20 30 60 90cm above the peak of the roof If not extend the vent Guide wires may be necessary 2 Add lime to the evaporation chamber as much as you think necessary You will have to rake more often if you do this You can also add lime to the compost if desired but no more than 1...

Page 12: ...n densate to block 50mm vent pipe Fan has failed AC or DC mode Device other than Sun Mar diffusor is installed on top of the vent stack Room where unit is located is airtight 50mm vent stack has too many bends and or horizontal lengths Not enough air being pulled down the dry toilet Re install the vent so there are no longer any low points where condensate can collect If re instal lation is not po...

Page 13: ... length by cutting the required amount off the straight ends of each half with a hack saw It is easier to cut pipe sections to length before joining the two halves together After cutting clean up the edges with a sanding block and coarse 40 60 grit sandpaper Before joining the two halves of the pipe pieces spread a bead of silicone caulking from top to bottom along the inside of both halves of pip...

Page 14: ...he floor of the evaporation chamber A 3 75mm intake cover is supplied with the hard ware kit in the composting unit The air intake can be removed and replaced with the 3 75mm intake cover if it proves necessary to pull more air down the AF Dry Toilet chute This cover should only be inserted if it is needed because blocking the air intake will reduce the airflow over the evaporation chamber which i...

Page 15: ...olt fan ii Do not lead the 2 50mm vent pipe downward or horizontally at any point This may lead to the Symptom Cause Remedial Action Prevention Compost Too Wet Your compost is too wet when there are standing pools of liquid Compost will smell of sewage and is anaerobic Compost Too Dry Compost is too dry when com post looks flat and brown rather than rich and black Waste not Breaking Down at all If...

Page 16: ... Troubleshooting In using this troubleshooting section you should follow reme dial actions in the order that they are given unless you are sure of the problem You should see improvement in a week and your compost should be back to normal in 2 3 weeks If it is not make sure that Ongoing Toilet Maintenance is being followed and check the mechanical troubleshooting section vent pipe being blocked by ...

Page 17: ...the carbon nitrogen balance Absorbs liquid Helps oxygen penetrate for aerobic composting Mixes and oxygenates the compost unplugging unit will conserve power and keep compost from drying addition of water helps keep the compost moist Moves some compost to the next stage for finishing Ensures that the drum does not get too full Provides extra time for composting to be completed Every Sun Mar AC DC ...

Page 18: ...on chamber 8 gallons 30 liters of bulking mixture 60 shavings and 40 peat moss to the drum Compost accelerant About 1gallon 4 liters of warm water into the drum Fan and heater are operating Loose peat moss from the evaporating chamber until the compost is established which takes approximately 6 weeks Black evaporating tray under drum screen to the left of the drawer Periodic Check Up Once your uni...

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