Dometic CT 4110 User manual

Cassette toilet for recreational
vehicles
Operating manual. . . . . . . . . . . . . . . .2
Toilettes à cassette pour
véhicules de loisirs
Notice d’utilisation . . . . . . . . . . . . . .16
Inodoros de cassette para
vehículos de tiempo libre
Instrucciones de uso . . . . . . . . . . . .32
Sanitário de cassete para
veículos de recreio
Manual de instruções . . . . . . . . . . . .46
EN
FR
ES
PT
CT4110, CTS4110
“More information https://www.caravansplus.com.au"

2EN
Dometic Group is a customer-driven, world-leading provider of leisure products for the RV, automotive, truck and marine mar-
kets. We supply the industry and aftermarket with a complete range of air conditioners, refrigerators, awnings, cookers, sanita-
tion systems, lighting, mobile power equipment, comfort and safety solutions, windows, doors and other equipment that make
life more comfortable away from home.
Dometic Group supplies a wide range of workshop equipment for service and maintenance of built-in air conditioners. Dometic
Group also provides specially designed refrigerators for hotel rooms, offices, wine storage and transport and storage of medi-
cal products.
Our products are sold in almost 100 countries and are produced mainly in wholly-owned production facilities around the world.
Model number .............................................
Product number .............................................
Serial number .............................................
Record for future reference:
©Dometic GmbH - 2011-2015 - Subject to change without prior notice
Dometic GmbH
In der Steinwiese 16
D-57074 Siegen
www.dometic.com
Dometic Corporation, Sanitation Division
13128 SR 226, PO Box 38
Big Prairie, OH 44611 USA
Customer support: 1-800-321-9886 (USA and Canada)
330-439-5550 (International)
“More information https://www.caravansplus.com.au"

3
EN
Table of contents
1.0 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.2 Information on this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.3 Copyright protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.4 Explanation of symbols used in this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.5 Limitation of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.6 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.7 Customer services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.8 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.9 Environmental notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.0 Description of model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.1 Model identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.2 Toilet identification label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.0 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.2 User's responsibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.3 Use of sanitary additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.4 Working upon and checking toilet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3.3 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3.4 Description of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4.0 Using the toilet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.2 Preparing cassette tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4.3 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.4 Using the toilet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4.5 Emptying the cassette tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.6 Winter operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.7 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.8 Positioning the toilet seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.9 Removing the toilet seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.10 Replacing the fuse on the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.11 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.11.1 Dismantling the cassette seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.11.2 Installation of the cassette seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4.12 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
“More information https://www.caravansplus.com.au"

4
General
EN
You have made an excellent choice in selec-
ting this Dometic cassette toilet. We are sure
that you will be satisfied with your new sanita-
tion system in all respects. This toilet meets
high quality standards and guarantees the effi-
cient utilisation of resources and energy
throughout its entire life cycle, during manu-
facture, in use and when being disposed of.
The information, texts and illustrations in these
instructions are copyright protected and are
subject to industrial property rights. No part of
these instructions may be reproduced, copied
or utilised in any other way without written aut-
horisation by Dometic.
Before operating the toilet read and under-
stand the contents of this manual.
These instructions provide you with the neces-
sary guidance for the proper use of the toilet.
Observe the safety instructions in particu-
lar. Observing the instructions and handling
recommendations is important for dealing with
the toilet safely and for protecting you from
injury and the toilet from damage. You must
understand what you have read before you
carry out a task..
Keep this manual in a safe place close to the
toilet so it may be referred to at any time.
Warning notices are identified by symbols. A
supplementary text gives you an explanation
of the degree of danger.
Observe these warning notices rigorously.
You will thus protect yourself and other
people from injury, and the sanitation
system from damage.
Warning notices
CAUTION indicates a potentially hazardous
situation which may result in minor or modera-
te injury if the given instructions are not adher-
ed to.
Environmental tip
ENVIRONMENTAL TIP gives you useful gui-
dance for saving energy and disposal of the
sanitation system.
NOTICE (used without the safety alert symbol)
indicates a potentially hazardous situation
which may result in damage to the appliance if
the given instructions are not adhered to.
NOTICE!
Information
INFORMATION gives you supplementary and
useful guidance when dealing with your toilet.
i
CAUTION!
1.4 Explanation of symbols
used in this manual
1.3 Copyright protection
1.2 Information on this
manual
1.1 Introduction
1.0 General
“More information https://www.caravansplus.com.au"

5
General
EN
Warranty arrangements are in accordance
with the normal conditions applicable for the
country concerned. For warranty or other
maintenance, please contact your dealer in
the event of a warranty claim. Any damage
due to improper use is not covered by the war-
ranty. The warranty does not cover any modi-
fications to the appliance or the use of non-
original Dometic parts. The warranty does
not apply if the installation and operating
instructions are not adhered to and no liability
shall be entertained.
All information and guidance in these opera-
ting instructions were prepared after taking
into consideration the applicable standards
and regulations as well as the current state of
the art. Dometic reserves the right to make
changes at any time which are deemed to be
in the interest of improving the product and
safety.
Dometic will assume no liability for damage in
the case of:
non-observation of the operating instructi-!
ons
application not in accordance with the!
regulations or provisions
use of non-original spare parts!
modifications and interferences to the!
appliance.
Find your authorised customer service centre
on the internet www.dometic.com.
When contacting Dometic Customer Services,
please state the model, product number and
serial number together with the MLC code, if
applicable. You will find this information on the
toilet identification label. We recommend that
you note these details in the field provided on
the front page of this operation manual.
Dometic Corporation, Sanitation Division
13128 SR 226, PO Box 38
Big Prairie, OH 44611 USA
Customer support:
1-800-321-9886 (USA and Canada)
330-439-5550 (International)
Spare parts can be ordered from our customer
services department.
Always state the model and product number
when you contact customer services. You will
find this information on the toilet identification
label ( see section 3.2 “
Toilet identification
label“ )
Please observe the usage notes on the packa-
ging when using sanitary additives.
In order to ensure that the recyclable packa-
ging materials are re-used, they should be
sent to the customary local collection system.
The appliance should be transferred to a suit-
able waste disposal company that will ensure
re-use of the recyclable components and pro-
per disposal of the rest.
Disposal
Use of sanitary additives
1.9 Environmental notices
1.8 Spare parts
1.7 Customer services
1.6 Warranty
1.5 Limitation of liability
“More information https://www.caravansplus.com.au"

6
Safety instructionts / Description of model
EN
Store these sanitary additives so that they
are out of the reach of children.
CAUTION!
This toilet is designed for installation in recrea-
tion vehicles such as caravans or motorho-
mes. The toilet is designed for a maximum
person weight of 130 kg (286.6 lb).
Anyone operating the sanitation system must
be familiar with the safe handling and under-
stand the advice in these operating instructi-
ons. Children may only operate the sanitation
system if they have been made aware of how
to operate it safely and the dangers attending
incorrect operation.
Before using sanitary means when using and
cleaning the toilet, observe the usage notes on
the packaging.
Prevent accidental closing of the toilet
slide during cleaning and greasing. Risk of
injury!
CAUTION!
Leave maintenance and service work to spe-
cialist staff.
Regular greasing of the seals mentioned in!
the item
Maintenance.
Removal of the cassette seal!
Exception
The CTx 4110 cassette toilet consists of a toi-
let which is installed fixed in the vehicle and a
removable, mobile cassette as a blackwater
tank. The cassette can be accessed from the
outside through a door. The toilet receives the
flush water from a fresh water tank installed in
the vehicle.
CT S 4110
Cassette Toilet
S = free-standing, without flush water
tank, with console
Example:
The identification label contains all important
details. You can read off from this the model
identification (1) , the product number (2) and
the serial number (3) . You will need these
details whenever you contact the customer
services centre or when ordering spare parts.
You will find the identification label within the
cassette housing after removing the cassette.
2
1
3
Fig. 1
Example
1
2
3
2.4 Working upon and
checking toilet
2.3 Use of sanitary additives
2.2 User's responsibility
2.1 Intended use
2.0 Safety instructions
3.2 Toilet identification label
3.1 Model identification
3.0 Description of
model
“More information https://www.caravansplus.com.au"

7
Description of model
EN
Supply voltage: 12 V DC
Current consumption: max. 5 A with external
pump.
Dimensions: s. details in installation manual
Operating temperature:
0°C up to + 50°C (32 °F up to +122 °F)
Required pump output: minimum 7 l/min
(1.85 US.gal./min)
Fig. 2
1
7
8
2
3
4
5
6
9
5
Level indicator / flush (control panel)
Wall socket console
Removable seat
Ceramic toilet bowl
Emptying blade for the toilet bowl
Housing for cassette tank
Fresh water tank (option)
Pour out spout
Vent button for emptying
Pull-out handle
(cassette tank movable on wheels)
2
1
3
4
5
6
7
8
9
10
10
Inspection/Certification
10 R - 047317
E1
3.4 Description of
components
3.3 Technical data
“More information https://www.caravansplus.com.au"

8
Using the toilet
EN
4.1 Cleaning
4.2 Preparing cassette tank
Before you use the toilette for the first time:
Open the service door.!
Unlock the cassette tank by pushing the!
lock upwards.
Place the cassette tank in an upright positi-!
on and turn the pour out spout upwards by
approx. 90°. Remove the cap from the
spout.
Pull the cassette out to the stop and remo-!
ve it completely.
Fig. 3
Fig. 4
Fig. 5
Put the cassette back in and push it in until!
it stops. Ensure that the tank can be
smoothly inserted. Do not use force!
The tank's lock shuts automatically when!
inserted. But check that the cassette tank is
firmly attached.
Close and lock the service door.!
Avoid turning the spout by more than 90°,
as it may otherwise come loose.
NOTICE!
Before using the toilet for the first time, we
recommend cleaning the toilet on the inside
and outside.
Use a soft cloth and lukewarm water with a
mild detergent. Then rinse the surfaces with
clear water.
Clean the toilet bowl at regular intervals with a
mild and colorless detergent.
Cleaning agents for the toilet must not
contain chlorine or alcohol!
NOTICE!
Fig. 6
i
Add Dometic tank treatment (available!
separately) via the spout into the cassette
tank in accordance with instructions for
use.
4.1 Cleaning
4.0 Using the toilet
“More information https://www.caravansplus.com.au"

9
Using the toilet
EN
Fig. 7
"Flush" button
"Cassette tank removed" display
"Fill fresh water tank" display*
"Cassette tank 3/4 full" display
"Cassette tank full" display
* not connected as a rule when using the on-board tank.
1
25
4
3
1
2
3
4
5
4.4 Using the toilet
Pull the blade handle (2) forwards.!
Leave the blade open during use.!
Let some water run into the bowl before!
use. Operate the flush button (1) for this.
!When lifting the toilet seat, it locks in an
approximately 2/3 position. Use a little
more force if you want to open the seat fur-
ther.
Fig. 8
Fig. 9
Fig. 10
1
2
Operate the flush button (1) again after use!
to flush the bowl.
Close the blade handle (2).!
4.3 Control panel
“More information https://www.caravansplus.com.au"

10
Using the toilet
EN
To bring the handle back into its original!
position, press the handle's unlock key and
push the handle back into the cassette.
Place the cassette tank in an upright positi-!
on and turn the emptying spout upwards.
Remove the cap from the spout.
Avoid turning the spout by more than 90°,
as it may otherwise come loose.
NOTICE!
Fig. 13
Fig. 12
Fig. 11
4.5 Emptying the cassette
tank
Empty the cassette tank when the level indica-
tor LED lights up.
The cassette tank has a capacity of 19 l
(5.02 US.gal.). When LED (4), Fig. 7, lights up,
the tank is approx. 80 % full. This means that
it can be used only a couple of times.
Remove the cassette tank as described in!
section
"4.2" .
Carry or wheel the holding tank to the nea-!
rest authorized waste disposal point.
The cassette tank is provided with wheels
and a pull-out handle. To unlock the hand
le, push in the button (1) in middle of the
handle. Pull out the handle until it stops.
When the cassette is 3/4 full, the toilet may
only be used with the blade open.
On a slope (e.g. extended inclination of the
vehicle), the cassette must not be more
than 3/4 full. An overflow through the venti-
lation is possible.
i
1
Hold the cassette tank with one hand by!
the handle (2) . With the other hand hold it
at the blade handle (3) so that you can ope-
rate the vent button (1) during emptying.
Fig. 14
1
3
2
“More information https://www.caravansplus.com.au"