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-18-

MECHANICAL TROUBLE SHOOTING (Cont'd) 

Symptoms

  Possible Causes

Remedies

LIQUID IN          
FINISHING         
DRAWER

Compost is too wet

1. See "Ongoing Toilet Maintenance" instructions,             
and add bulking material
2. Bulking material compacting. Modify bulking                
 agent to include material with better porosity such         
as chopped straw, shredded mulch, wood shavings          
or wood chips. (Not cedar).

Drum Screen Clogged

See “Screen Clogged” below.

NOISY FAN

Dirt in fan

Unplug the fan, remove the fan assembly 12V or 110V,
and clean carefully with a small brush and/or compressed
air nozzle. 

Fan bearings are worn

Replace fan.

DRUM WILL
NOT TURN

Pin securing handle to shaft has broken

Drill out broken pin and replace, or get handle
replacement kit (instructions included).

Steel pin securing gear wheel to shaft
has broken

Obtain and install a small gear replacement kit
(instructions included).

Drum fallen from bearings or bearing
fallen

Obtain fallen drum or fallen bearing plate kit (Instructions
included). 

DRUM WILL       
NOT STAY           
VERTICAL

Drum lock broken

Obtain and install drum lock replacement kit (instructions
included).

DRUM DOOR     
NOT                     
OPERATING       
PROPERLY

Drum too full

Rake compost to rear of drum to allow door to shut. If
still insufficient space, empty some compost from top,
until door swings freely. Extract compost as per
instructions in "Monthly Check-up" section.

1. Slot in door for nylon hinges too          
   tight.
2. Drum door corners catching on             
  drum

3. 

Drum door hinges broken

File slot/corners to permit easier door movement, or
obtain and install replacement drum door kit (instructions
included).

SCREEN               
CLOGGED AT     
REAR OF             
DRUM

Clay like compost or woody peat moss
preventing excess liquid from exiting to
evaporating chamber

Rotate the drum anticlockwise until the screen is
uppermost. Remove the bowl liner and clear the screen
with a stick or wire brush. If the compost is clay like,
refer to instructions for "Trouble Shooting Your
Compost"

  

-3-

 

OWNER’S MANUAL

CONTENTS

How Your Composting Toilet System       
                   Works

!

 Composting

!

 The SUN-MAR EXCEL 

AC/DC

 

!

 Start up and Use

!

 Winter Use

Installation

!

 Rough-in Dimensions 

!

 Installation procedure

 

Initial System Start Up

!

 Start up procedure

Ongoing Toilet Maintenance

!

 Routine maintenance

Periodic Check Up

!

 Routine monthly check list

Annual start up

!

 Restarting procedure for                    

  seasonal units

Trouble Shooting Your Compost

!

 Procedure for improving a                 

 ‘bad’ compost

Toilet Design

!

 Explosion drawing and part               

  numbers/descriptions

Mechanical Trouble Shooting

!

 Diagnosing and fixing                       

   a hardware problem

Summary of Contents for EXCEL AC/DC

Page 1: ...RTIFIED SUN MAR XL 1989 The SUN MAR XL Now called the EXCEL is the first self contained composting toilet to be tested certified and listed under N S F Standard 41 N S F National Sanitation Foundation...

Page 2: ...2 19...

Page 3: ...to rear of drum to allow door to shut If still insufficient space empty some compost from top until door swings freely Extract compost as per instructions in Monthly Check up section 1 Slot in door f...

Page 4: ...wers of compost are normally removed at the beginning of the season Otherwise some composted material can be extracted into the drawer and left there for some weeks until it is time to remove more com...

Page 5: ...ve pressure and prevent odors In the 110 volt mode in addition to a fan the evaporation process is further assisted by a thermostatically controlled heating element located in a sealed compartment und...

Page 6: ...6 15 EXPLOSION DRAWING...

Page 7: ...xing and aeration The drum rotates counter clockwise and the drum door shuts ii Depress the drum stopper under bowl liner 1993 and prior or pull the stopper on the front of the unit 1994 and on and tu...

Page 8: ...devices to be installed at the top of the vent stack The diffusor design encourages updraught and discourages wind and weather from going down the vent stack Unlike wind turbines diffusors do not ten...

Page 9: ...9 INITIAL SYSTEM START UP Commence operation by carrying out the start up procedure described below and then continue with the Ongoing Toilet Maintenance routine It normally takes some weeks before a...

Page 10: ...or a weak vinegar solution 2 Do NOT add plastic glass metal cleaning fluids cigarettes or any other substances which will disrupt the natural biological process 3 Kitchen or garden waste is NOT needed...

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