LAFEME SESTO ST22 User manual

SESTO ST22
Wall-hung Smart Toilet
Instruction manual

Installation is subject to the requirements of the applicable regulatory
authority, the National Construction Code Volume Three -Plumbing
Code of Australia, associated reference standards as applicable at the
time and AS/NZS 3500. bidet douche seat includes air-gap assessed
and found to comply with the requirements of as 2845.2:2010. no
further backflow prevention is required for this connection to water
supply.
To install, tighten each inlet connection to 10 N.m Max. torque.
Leakage test shall be done before first use. Only qualified plumber for
Installation and maintenance.
Smart Toilet body: PP
Water temperature: 4-35°C
Operating Pressure: 0.07-0.75 Mpa
Only watermark certified components could be used to match with
those Smart Toilet bidet seat.
Scope of use
※Please read this manual thoroughly before using the product.
※ Please do not hesitate to contact us if you have any questions in the installation or usage.
※Please safekeeping this manual after reading.

Contents
Safety precautions ...............................................................
Bill of material ......................................................................
Specification ........................................................................
Parts name ...........................................................................
Installation Tools .................................................................
Product installation .............................................................
Introduction for remote control panel .............................
Instructions for remote control Installation ....................
Instruction ..........................................................................
Side push button instruction ............................................
Cleaning and maintain ......................................................
Common troubles and shooting ......................................
Trouble shooting and alarm maintenance ......................
Maintenance Service Sheet ..............................................
Maintenance record ..........................................................
1
4
5
6
7
8
11
12
13
14
15
16
17
18
19

These are compulsory requirements
Below items are prohibbted
Please do not use a loose power connection,or it may cause electric shock or cause fire.
Always use the specified supply voltage (240VAC, 50Hz), it is necessary to install a circuit
breaker.
Please do not spray detergent, water, cleaning agent in or around the power supply, this may
cause electric shock or fire.
Recommended water pressure is between 100-500Kpa
Recommended water temperate is between 4-35°C
Use only Watermark approved flexible hoses for this installation.
Prior to the installation,a suitable electrical connection should be available,according to the
current local legislation.
Standing on the seat, using the seat for a plank or any use outside of a typical weight not evenly
distributed can cause damage to the seat and will void the warranty. The washlet must be installed
by recognized professional tradespeople. i.e. Plumber and Electricians.
Use only mild detergent and a soft cleaning cloth for cleaning the seat and surrounding pan,
(Enjo or similar micro fibre cleaning products are suitable) Typical toilet cleaning procedures
for inside pan are suitable. Bleach or chlorine-based products should not be left inside the pan
with the seat shut or for prolonged periods.
WARNING
It means that if you ignore this sign
It may cause personal injury or property damage
Do not attempt to disassemble and/or repair the product without authorization, any work by
non-professionals will void the warranty and may cause damage to the product.
In order to avoid injury and property loss, please follow the safety warnings and
precautions. Read this manual carefully before installation, and then install it
accordance with the instructions. After you have finished reading, please keep
the instructions for the end user.
Safety precautions
WARNING
Make sure that this product is correctly attached to a grounded connection. (If the product
is not grounded, it may introduce the risk of electric shock)
Rainwater, demineralized water, sea water or grey water are not suitable to operate this
equipment. Operate with normal drinking water only.
-1-

Make sure the power supply is cut off when the product is maintained, or it may cause
an electric shock or fire.
Please make sure that the power is correctly connected to the AC 220V/50Hz power
socket, or it may cause electric shock or fire. must have an isolated circuit breaker.
Please ensure the bathroom is ventilated to make sure the atmosphere is suitable,
the washlet is an electric appliance product, please do not install in the place with
high moisture or somewhere easy to get wet. Otherwise,it may cause electric
shock or fire.
Please close the water-inflow valve if water leakage, and ask the professional person
to repair it, or it may lead the damage of products.
Please stop using if the seat cover malfunctions
Please cut off the power supply, and close the water-inflow valve to stop water
supply if following cases happen:
Faults: Excessive heating; smoking;
Abnormal sound and odour; Products cracks, damages; or blocked.
It may cause electric shock, injury,fire or indoor problems if you continue to use it
when it is malfunctioning.
Please do not use gasoline, detergent, nylon brush and other non-neutral cleaning
agent to clean the seat cover and other plastic parts. Otherwise, it may cause a
chemical reaction or crack, which will lead to injuries.
WARNING
WARNING
Please turn off power before taking out washlet seat or it may cause electric shock.
THIS TOILET DOUCHE SEAT MUST BE INSTALLED WITH APPROPRIATE BACKFLOW
PROTECTION CONFORMING TO THE NATIONAL CONSTRUCTION CODE - VOLUME
THREE.
-2-

Please turn off inlet valves , drain water out from toilet and cut the power when not
using products for a long time. Please through the water when you use this product
again, to prevent water quality problems, which will cause skin diseases. Otherwise ,
it may cause electric shock , injury or fire.
Please pay attention to socket and installation position.
Please set the leakage protector in the socket circuit or insulation transformer (1.5
KVA-3KVA).
Power socket installation location should at least 0.5 m above the floor, and keep
away from objects out of water such as shower and bathtub. Otherwise it may cause
water leakage.
Please turn off power before cleaning products and do not clean products with water
directly or it may cause electric shock or fire.
Please tighten each waterway connection when installing it or it may cause water
leakage.
Please put the product in the shade or the products may fade or burnt on the surface.
Please increase indoor temperature and make sure the water is flowable before using
to avoid damage in cold region, or it may cause products damaged or water leakage.
To prevent scalding users, the seat temperature will decrease automatically after
seated 15mins.
Please make sure the power supply and inlet valves are turned off before taking cover
off the seat, or it may cause electric shock or fire.
The appliance is not to be used by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have
been given supervision or instruction.
If the supply cord is damaged, it must be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid a hazard.
WARNING
This appliance can be used by children aged from 8 years and above and persons
with reduced physical, sensory or mental capabilities or lack of experience and
knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.
-3-

-4-
Bill of material
REMOTE CONTROL REMOTE EXPANSION
SCREW GROUP
(EACH 2 PCS)
REMOTE CONTROL
HOLDER
AAA
BATTERY*2
（NOT INCLUDED）
DOUBLE SIDE
TAPE
INSTRUCTIONS
TOILET
WASHER
NOZZLE
MAIN ENGINE
INLET HOSE
(1 PC)
INNER HEXAGON
SPANNER
SESTO ST22
Wall-hung Smart Toilet
Instruction manual
SCREW
(2 PCS)
DECORATIVE CAP
(4 PCS)

-5-
Specification
424mm 372mm 300mm
592mm
400mm
592mm
The rated power
Length of wire About 500mm
About 35℃～42℃
32℃～57℃
About 42℃
Damper device
Activated carbon deodorant
washdown
4.5L / 3L
Effluent-water
temperature range
Cleaning water
consumption
Drying temperature
control
Soft-close control
for seat cover
Drainage System
Surface temperature
Deodorant way
4℃～35℃
592X400X424mm
1100W 1600W
0.07-0.75MPa
3℃～40℃
IPX4
Maximum
power
Pressure of
supplied-water
Waterproofing
grade
Ambient
temperature
Washing
equipment
Seat cover
Deodorization
Temperature
of
supplied-water
Product size
Rated power
Drying device
220V-240V~ 50Hz
※1：The rated power: water pressure is 0.18MPa + 0.02MPa under the ambient temperature of 20℃±5℃.
And under the condition of 15℃±1℃ water-inflow temperature, heighten the water quantity, the seat
temperature and the water temperature in turn, to start the feminine cleaning in an average power.
※2：Maximum power: water pressure is 0.18MPa + 0.02MPa under the ambient temperature of 23℃±2℃.
And under the condition of 15℃±1℃ water-inflow temperature, heighten the water quantity, the seat
temperature and the water temperature in turn, to start the feminine cleaning in an average power.

-6-
Parts name
Posterior cleaning button
Button (the button moves backward or forward)
Dry button
Feminine cleaning button
Buffer for lid
Lid
Ceramic toilet
Sitting induction
Side push button Spray bar
Nozzle
Seat
Decoration panel
Signal window

-7-
Installation Tools
Percussion Drill Tape
Adjustable Wrench Screwdriver
Glue gun
Gradienter Steel saw The knife
Pliers
Inner hexagon spanner pencil file Ruler

G1/2
Induction line
FIxation hole
Outlet hose hole
130
145
35
120
180
65
13
135
200
300
335
level ground
18
5
Power line
Power line hole
-8-
Product installation
2. The toilet washer is set on the wall
reserving position with its fixed
installation hole inserted into the
screw rod, aligned with flush hole
and drain hole; then put outlet water
hose, induction line through and
power line through according hole
and expose them.
Take out the textile pipe from the
accessory box and connect it with
the outlet pipe of the water tank
for water supply.
1. Fix the water tank frame with the outlet hose,
power line and induction line exposed.
Exposed size as the left ( as for water tank frame
installation, please refer to accordingly manual).
level ground
200
300
335
180
Inlet hose
Sewage hole
Fush hole
FIxation hole
Outlet hose
Power line
250
300
200
Liftable regulation
Outlet
hose
Induction line

4. Adjust toilet back part with toilet washer.
Put the water-outlet hose, power line,
induction line into the rear of the toilet
through the washer and adjust the position
to put flush hole and drain hole in precise
position. Move the toilet toward the wall
toward the arrow direction until snaps.
3. Open the lid and use a tool to remove
the decorative screw caps (A new pair
is in the spare part box).
Use screwdriver to undo the screws.
Take out the electronic seat and cover
and put them in a clean place.
Decorative cap
Screw
Fixing hole
1600
Induction line
-9-
Product installation
5. Keep the product in horizontal position
by gradienter. Put plastic plug, stainless
base into the screw rod and tighten the
nut; Press flush button to discharge the
drain first.
Screw rod
Plastic plug
Stainless base
Nut
Water-outlet hose
Power line
Fixed hole
Induction line
Flush hole
Toilet washer
Drain hole
Power line
Outlet hose
Screw rod(Screw exposed to wall 60mm)
Power line
Toilet
Cusion
Induction line
Outlet hose

6. Connect outlet hose, power line and induction
line from the ceramic to each part of the seat.
Attach outlet water hose and power line to
toilet as the arrow shows in figure 1.
Note: Users need to open the waterproof
connector to check if correctly connect to
the power line.
As figure 1
Induction line from the ceramic
Induction line from the seat
-10-
8. When finish the installation, remove the
packaging toward the arrow direction.
The remote control is installed in the
distance from the ground around
1600mm for convenience.
592
Product installation
7. Put the toilet seats set on the top of ceramic body
and then open the upper cover, fastened by fixing
screws and then put the decorative caps.
Screw rod
Decoration cap
Fixed hole
Outlet water hose
Power line
As figure 1
400
1600

-11-
Introduction for remote control panel
Signal light
Massage
Stop
Posterior cleaning
Turn up temperature
of water or air
Dry
Turn down temperature
of water or air
Decrease water
outflow
Seat temperature
indicator
Turn down seat
temperature
Water indicator
Water/air temperature
indicator
Swing
Feminine cleaning
Increase water
outflow
Turn up seat
temperature
Spray bar position
indicator
Move forward
the spray bar
Move backward
the spray bar

Instructions for remote control Installation
Method 1：
Method 2：
① Install the remote controller fixing panel with a magnet on the remote control fixed seat and lock tightly
Note: Pay attention to the polarity when installing the magnet. Place the larger side of the magnet hole
outside the fixed panel and enclose the small hole surface inside the fixed panel; as shown in the below
figure 1;
② Put the double sided tape on the remote control fixed seat；
③ Clean dust, grease, water droplets on the walls and wipe them clean；
④ Press the remote control fixed seat with double sided tape on it, Press it evenly for 3 to 5 minutes.
Attach the remote control fixed seat to the wall;
Note: The method is applicable to glazed tiles, glass and smooth wall.
Put the remote controller on the fixed base after installing the battery, and the remote controller can automatically
absorb on the fixed base.
Note: ※ Please place the remote on the fixed place if not use. (To avoid the remote falling down)
※ It may cause damage if the remote controller falls down.
※ Please do not spill water on the remote control or drop into the water, or it may cause damage.
① Drill 2 holes (hole spacing: 46mm-52mm) and 22mm depth on the wall by the drill with the diameter
of 6mm.
Note: the position of the hole shall be satisfied when the person is seated on the seat cover. It is convenient
for the user to catch the remote control；
② After installing the expansion plug in the wall align the fixing hole of the remote controller at the expansion
plug and then lock the bolt. Install the remote controller fixing panel with a magnet on the remote control
fixed seat and lock tightly
Note: pay attention to the polarity when installing the magnet. Place the larger side of the magnet hole
outside the fixed panel and enclose the small hole surface inside the fixed panel; as shown in the below
figure 2.
figure 1 ① ② ③ ④
magnet
double
sided
tape
magnet
figure 2
① ②
46mm 52mm
①
②
③
④
-12-

-13-
Instruction
Stop
※Press the button, all functions off.
Posterior cleaning
※ Press the button, rear function on after sounded, auto off after 2 mins or off by pressing the
stop button.
※ Function will stop immediately if user leaves.
Feminine cleaning
※ Press the button, bidet function on after sounded, auto off after 2 mins or off by pressing the
stop button.
※Function will stop immediately if user leaves.
Dry
※ Press the button, dry function on after sounded, auto off after 2 mins or off by pressing the
stop button.
※Function will stop immediately if user leaves.
Swing
※Under posterior/feminine cleaning mode, press swing button, start to move cleaning mode,
nozzle moving cleaning back and forth, press swing button again, stop move cleaning,
waiting the posterior/feminine cleaning mode stop or press stop button to stop work.
Water temperature setting
※Under rear mode or bidet mode, the
initial setting is 3, press plus button
will
increase the water temperature,
press
minus button will decrease the
water
temperature. Total 5 settings,
and corresponding indicator will on
under different setting.
Spray position adjusting
※Under Posterior and feminine mode,
the initial setting is 3, press plus button will
forward the spray position, press minus
button will backward the spray position.
Total 5 settings, and corresponding indicator
will on under different setting.
Air temperature setting
※Under dry mode, the initial setting is
3, press plus button will increase the
air temperature, press minus button will
decrease the air temperature. Total 5
settings, and corresponding indicator
will on under different setting.
Massage
※Under posterior/feminine cleaning mode, per press the massage button, the working mode
can be changed and setting;
※ Interval massage mode: nozzle will expel the water to clean under different water gage;
※ Powerful massage mode: nozzle will expel the water to clean under increase water gage;
Massage working mode：
No massage-Interval massage- Powerful massage- No massage is a circulate

Flow adjusting
※Under rear mode or bidet mode, press plus button will increase the water
flow, press minus button will decrease the water flow. Total 5 settings, and
corresponding indicator will on under different setting.
Seat temperature adjusting
※Seat heated after seated, press plus button will increase seat temperature, press
minus button will decrease seat temperature. Total 4 settings(including seat
temp. off choice), and corresponding indicator will on under different settings.
※To activate or stop the beep sound:
In the non-seated state, push the side
button back for more than 5 seconds to
activate or stop the beep.
※Tips:
When you sit for a long time, please adjust the seat temp to ambient or low temp; After a while, the toilet
itself also will auto reduce the temp to prevent users' low temp scald; After leaving the seat, the flushing
function will auto on.
-14-
Posterior & Feminine cleaning function show:
Function 1: Press posterior/feminine cleaning button to start
clean hip/women′s private parts.
Function 2: Under posterior/feminine cleaning mode, press
relevant button again to stop cleaning.
Function 3: Hold down posterior/feminine cleaning button to
be run below mode:
Posterior/feminine cleaning→ massage cleaning→dry→stop
※Remark: Users can turn on/off the night light function when
not seating on the toilet.
Dry function show:
Function 1: Press the dry button to start drying the moist parts
with warm air.
Function 2: Under dry mode, press the dry button to stop
drying.
Push button function show:
Function 1: Under posterior/feminine cleaning mode, push
forward the side button to adjust the position of
the nozzle ;( default setting is 3, total 5 settings)
Function 2: Under posterior/feminine cleaning mode, push
forward the side button to adjust volume of
water;(default setting is 3, total 5 settings)
※Remark: The way to switch the above two functions is to
hold the dry button more than 2 seconds, the
function switch successfully after it sounded“Di”.
Function 3: Under the dry mode, push forward the side button
to adjust temperature; (default setting is 3, total 5
settings)
Function 4: Auto flush function is on by default. You can turn
it off by pressing “dry” on the push button for 5
sec., after a beep sound, auto flush will be off.
Side push button instruction
Posterior cleaning button
Button (the button moves backward
or forward)
Dry button
Feminine cleaning
button

-15-
Cleaning and maintain
Nozzle cleaning
Lid and seat cleaning
1、Turn off the power and water inlet valves.
2、Wipe the lid and seats by sponge or smooth
cloth with soap or mild detergent.
3、Turn on the power and water inlet valves
Ceramic body cleaning
Winter product maintain
1、Cut the power supply plug off.
2、Clean the ceramic body by toilet brush with
toilet detergent.
3、Plug in and press the flush button to wash
away the toilet detergent.
1、When not in use for a long time in winter,
refer to the right picture and drain the water
in the tank to prevent ice.
2、When not in use for a long time in winter,
refer to the right picture and drain the water
in the heater to prevent freezing.
Water tank discharge
mechanism
Heater Drainage
Mechanism
② Wipe the nozzle and spray rod by
the toothbrush, sponge, or smooth
cloth with soap or mild detergent.
① Press the posterior-cleaning
button & bidet button after 2
seconds to make the nozzle
extends out of the machine,
then remove the nozzle.
③ After installing the nozzle, press the
stop button or press the posterior
cleaning button & bidet button after 2
seconds, the nozzle will be automatic
retraction into the machine.
WARM PROMPT
※ Please do not immerse or flush the product with water at the risk of electric shock or product damage.
※ Please do not use hydrogen chloride cleaning agent, diluent, pesticides and other non-neutral detergent
to clean the product, and do not use sandpaper or rough cloth to scrub it
Lid
Seat
Ceramic
body

The product out of work
No response when
press the button of
posterior cleaning &
feminine cleaning &
drying
Whether the power supply is plugged in
or the leakage protector is disconnected Switch the power supply
No water outflow from nozzle
or the water yield is very low.
The continuous use more than
one hour will activite safety
sensor
The sensor is insensible that
someone sit on.
The nozzle will stretch out to
proceed self-cleaning after
pressing the button of posterior
cleaning or feminine cleaning.
It's a common phenomenon and
just need to wait for several seconds.
Self cleaning mode in
the nozzle
The nozzle stops spraying after
cleaning for a period of time,
then reactivates after 120
seconds.
It's a common phenomenon for
safety purpose.
It's a common phenomenon for
safety purpose.
The nozzle stops
cleaning suddenly
when it's on work
If the user moves too fast or
leaves the seat, the seat sensor
cannot detect in a short time.
The water-inflow hose may
be leaking
The seat sensor is insensible
and no deodorization voice
Activated carbon filter block or
spacer may be blocked
Sit back on the seat sensor detection
position.
Remove the deodorizing window
to clean or replace the activated
carbon filter.
The deodorant function will be
continue to work for 20 seconds
in order to remove the residual
odor after the user leaves.
Call the installer to check the hose
and tighten it.
Sit back on the seat sensor detection
position, then start the relevant
button.
The nozzle stops
cleaning suddenly
Low water pressure
when posterior
cleaning or feminine
cleaning
Deodorization effect
is not obvious
Deodorant function
continues to work
after user leaves
Please press the stop button and
wait for the water supply to reactivate.
Please open the water-inflow valve
if it is closed.
For security's sake, please stand up
and sit down again.
Please sit down in a correct position.
-16-
Common troubles and shooting

※WARM PROMPT
If you are in trouble with your smart toilet, please read the above trouble shooting and repair the product
according to the instruction of the solution. If the problem is not in the common troubleshooting, please
contact the professionals, dealers, or call the national unified service hotline to ask for help.
Please note that there will be no any notification if any changes to this product and also accessories.
There may be difference between contents and material objects, please subject to the latter one.
-17-
Reasons Measures
It can be detected that inlet water
temperature sensor is faulted or
broken circuit
It can be detected that outlet water
temperature sensor is faulted or
broken circuit
You should cut off the
power supply
immediately and stop
using the product, then
contact the local dealer
or call service hotline.
Phenomenon
If the power light glitters 1 time
as it lights for 2 seconds
If the power light glitters 2 times
as it lights for 2 seconds
If the power light glitters 3 times
as it lights for 2 seconds
If the power light glitters 4 times
as it lights for 2 seconds
If the power light glitters 7 times
as it lights for 2 seconds
It can be detected that the dryer
fan is faulted
It can be detected that air
temperature sensor is faulted or
broken circuit
It can be detected that the seat
temperature sensor is faulted or
broken circuit
Trouble shooting and alarm maintenance