Kohler S300 User manual

Installation and Homeowners Guide
Underscore Bathroom Heater S300
S300
K-22489T-0
KOHLER CHINA INVESTMENT CO., LTD NO.158, JIANG CHANG SAN ROAD,
JING'AN DISTRICT, SHANGHAI, PRC POST CODE: 200436
( ) 158 200436
1369766-T01-E

-1-
BEFORE YOU BEGIN
©
©
Copyright Kohler China Investment Co., Ltd. 2021
2021
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Please read these instructions carefully to familiarize
yourself with the required tools, materials, and installation
sequences. Follow the sections that pertain to your
particular installation. This will help you avoid costly
mistakes. In addition to proper installation, read all
operation and safety instructions.
All information in these instructions is based upon the
latest product information available at the time of
publication. Kohler China reserves the right to make
changes in product characteristics, packaging, or
availability at any time without notice.
These instructions contain important care, cleaning, and
warranty information -
.
This product complies with GB 4706.1-2005, GB4706.23-
2007, GB 4706.27-2008 and Q31/10106000060C022-
2020.
please leave instructions for the
consumer
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GB 4706.1-2005 GB4706.23-2007 GB
4706.27-2008 Q31/10106000060C022-2020
WARNING: Risk of electrical shock.
WARNING: Risk of electrical shock.
WARNING: Risk of electrical shock.
Warning: Danger of electric shock.
Warning: Danger of electric shock.
Warning:
Warning:
Warning:
Warning:
Warning:
A licensed
electrician should make all electrical connections.
Connect only to
a circuit protected by a typical two-pole circuit breaker.
Disconnect
power before servicing.
The appliance
shall be installed according to the national wiring rules.
Otherwise, it may cause electric shock or fire.
This product
must be used under the power supply with leakage
protection switch conforming to CCC (the leakage
current is below 30mA). Otherwise, it may cause
electric shock and fire.
When installing the product, A power full
pole switch with a contact opening distance of not less
than 3mm must be installed in its power supply line (It
needs to be purchased separately by the user, and its
rated load capacity is not less than 250V ~, 16A) To
connect or disconnect the host power supply.
The power full pole switch must be cut off before
installation, Cleaning, maintenance and repair.
*Special note: When multiple products need to be
installed at the same time, Each product needs to be
separately installed with a power full pole switch.
After the installation of the product, the
distance between the bottom of the product and the
ground must be greater than 2.3m.
The installation of the product should make
the switch and other controllers inaccessible to people
in the bathtub or shower area.
It is forbidden to use the power beyond the
rated voltage of 220 V~, 50 Hz. Otherwise, it will
damage the product and cause fire.
In order to avoid the danger caused by the
false reset of the thermal circuit breaker, the appliance
can not be powered by external switching devices,
such as timers or connected to the circuit which is
regularly on and off by common components.
CCC
30mA
3mm
250V~, 16A
*
2.3m
220V 50Hz
1369766-T01-E

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Tape measure
Level
Screw driver
Connection wire
Wire cutter
Insulation tape
Bushing
Percussion Drill
Pen Knife
Wrench
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RECOMMENDED TOOLS AND MATERIALSRECOMMENDED TOOLS AND MATERIALS
Kohler reserves the right to change marked dimensions without prior notice.
Unit: mm
:
Reference Value
ROUGHING-IN
300
300
266
285
Junction Box Cover
280
256
200
160
12
28
Ventilation Outlet
Hot Air Outlet
Warning: Do not install near curtains and other
combustible materials. Otherwise, combustibles may
be ignited.
Warning:
Warning:
Warning:
Warning:
It is forbidden to place the product directly
under the power socket. Otherwise, it may cause fire.
It is forbidden to use methods other than
those specified in this manual for installation.
Otherwise, the product may fall and cause injury.
This product must be grounded safely.
If the power cord is damaged, in order to
avoid danger, it must be replaced by professionals
from the manufacturer, its maintenance department or
similar departments.
-2-
1369766-T01-E

-3-
SPECIFICATIONS
Model
Rated Voltage
And Frequency 220V~, 50Hz
K-22489T-0 K-22489T-0
220V~ 50Hz
Rated Input Power 2150W 2150W
Heater Power
Fan Power
Ventilation Power
2130W 2130W
30W 30W
30W 30W
Ventilation Volume
Ventilation Noise
Ingress Protection
2.2m /min
32.2m /min 3
43dB (A) 43dB (A)
IPX2 (Bathroom Heater) IPX2 ( )
IPX4 (Wall Controller) IPX4 ( )
SIMPLIFIED DIAGRAM OF THE UNIT
Note: Plaster or other ceiling opening dimension: 275 X 275 (mm)
275 X 275 (mm)
+5
0
+5
0
+5
0
+5
0
Keel
Clamp
Air Exhaust Pipe
BTP4*8 Triangular
Self Tapping Screw
BTP4*8
BTP4*8 Triangular
Self Tapping Screw
BTP4*8
Ventilation Outlet Assy.
Air Outlet Window
L-mounting Bracket
L
Keel Lock
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The rated input power is measured at the factory.
The exhaust air volume, air change noise and other data
are the test results of Kohler company, which are all
central values, which are measured under the static
pressure of 0 Pa. The error of exhaust air volume shall not
be less than 90% of the express value.
The ventilation noise value is A weighted average sound
pressure level, which is the central value of Kohler
company's test results, and the measured value does not
exceed the stated value + 3dB. In the semi anechoic
chamber, five points on the plane 1 meter below the
sample and four points on the plane of the air outlet of the
sample are operated under rated voltage and rated power,
and the average noise value of nine points is taken.
The body of this product has passed the drip-proof water
test and meets the requirements of IPX2.
The above parameters are subject
to change without prior notice
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0Pa
90%
A
+3dB
15
9
IPX2
1369766-T01-E

WIRING DIAGRAM
ALL-POLE SWITCH (OPTIONAL)
THE RATE OF THE POWER SWITCH
MUST NOT BE LOWER THAN 250V 16A
250V 16A
CN4
CN6
P4
N
N
STEPPER MOTOR
HEATER
THERMOSTAT
THERMAL FUSE
OVER CURRENT FUSE
PRODUCT
SWITCH
L
CN3
MOTOR
CAPACITOR
220V
50Hz
MAIN CONTROL CIRCUIT BOARD
YELLOW/GREEN
/
RED
BLUE
RED
RED
BLUE
BLUE
BLUE
YELLOW
BROWN
BLUE
RED
PINK
YELLOW
ORANGE
-4-
Terminal
Conductor
Insulation
Make sure the power cord installed
firmly, otherwise it may catch fire.
Conductor
Earth
Power Cord
8
Conductor
Power Line
8
15
WARNING
+
+
+
+
+
+
There's no risk of damage to the insulation of power cord.
Copper cord must be inserted into the pillar terminal hole, and make sure all the
cords under the terminal are inserted into the pillar terminal completely.
Suggest using a power cord which with specification 60227 IEC 53 Model's
powercord Specified in GB/T 5023.5 and with cross section of 3X1.5mm .
,
GB/T 5023.5 60227 IEC 53 ,
3X1.5mm
2
2
WIRING INSTRUCTION
Bathroom Heater Bathroom Heater
Live Wire/ Live Wire/
Null Wire/ Null Wire/
Earth Wire/ Earth Wire/
Ceiling Ceiling
Power Line of Wall Controller
Live Wire
Null Wire
Wire Box Wire Box
Wall Controller Wall Controller
Wall Wall
ATTENTION: Power supply of the wall controller is
220V~, 50Hz. The wall controller can get is power
supply from the heater or other circuit.
Line layout A and line layout B are both workable.
220V~ 50Hz
AB
Line Layout A
A
Line Layout B
B
( : mm)
()
8
8
43
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1369766-T01-E

-5-
PREPARATIONS BEFORE INSTALLATION
A. Preparation before the installation A.
1. Open the hole of outlet window
Make sure that the outlet window s position (it should be
lower than the outlet of the bathroom heater to prevent the
water come back to the bathroom heater from the outlet
window), and open a round hole on the wall.
2. Outlet window installation
Fix the air exhaust pipe to the outlet window on the wall
with the clamp as the preparation of bathroom heater
installation. Seal the pipe and the outlet window with
foaming agent.
1.
(
)
2.
Ceiling
Air Exhaust Pipe
Wall
Inside Outside
Outlet Window
The situation of outlet window on the
wall outside.
The situation of outlet window on the
wall inside.
Outlet Window
Outlet Window
Hole on the Wall Hole on the Wall
100mm
mm
100
100mm
100mm
B. Take out the bathroom from package. B.
Bathromm Heater
1369766-T01-E

ST4 10 Self
Tapping Screw
ST4 10
Base
Wall Controller
Back Cover
-6-
C. Packing List C.
80 Air Outlet Window
80
1285549
Clamp
21285550
Ventilation Outlet Assy.
BTP4 8 Triangular
Self Tapping Screw
BTP4 8
Triangular
Self-tapping Screw
BTP4*8
INSTALLATION
Caution before installation:
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The installed product must be 200mm or above away from
curtains or other combustible materials.
The distance between the ceiling where the product is
mounted and the roof shall be 200mm or above.
Ensure that the gap between the product edge and the
wall is 300mm or above.
The power cord to the product shall have enough length
for the installation.
The distance between the product and the air outlet
window shall be 1000mm or lower.
Cut the screw rod(M6) to suit the distance between the
ceiling and the roof.
Keels should afford at least 25kg.
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200mm
200mm
300mm
1000mm
(M6)
25kg
Air Exhaust Pipe
Wall
Lower than 1000mm
1000
300mm above
300 300mm above
300
Air Outlet Window
Bathroom Heater
1327472
Keel Lock
4
1327471
L-mounting Bracket
L4
1325479
Wall Controller Assy.
1369633
80 Aluminum Foil Air Exhaust Pipe
80
Note: Initial Length: 130mm
Stretch Length: 1800mm
130mm
1800mm
1369766-T01-E

-7-
Installing the Main Body
Integrated ceiling should be 300*300, 300*450, 300*600:
1. Connecting the power cord
Pass the power cord through the ceiling.
300*300 300*450 300*600
1.
Power cord
Decorated Plate
2. Take down the decorated plates around the installation
position to ensure that there is sufficient operation space
for installation (see the figures below).
3. Match a keel lock with an L-mounting bracket.
4. Pre-install the 4 matched L-mounting brackets on the keel.
Make sure the installation clearance is appropriate. The
location of L-mounting brackets can be adjusted on the
keel before the columnar round screws are tightened.
2.
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3. L
4. 4 L
L
300mm*300mm integrated ceiling
300mm*300mm
300mm*450mm integrated ceiling
300mm*450mm
300mm*600mm integrated ceiling
300mm*600mm
L-mounting Bracket
LKeel Lock
Keel
Columnar Round Screw
1369766-T01-E

5. Push the bathroom heater into the integrated ceiling. Use
BTP4*8 triangular self-tapping screws to connect the body
and L-mounting brackets. The installation height shall be
adjusted before the screws are tightened.
6. Install the demounted decorated plates. Push the bathroom
heater until the base and the adjacent plates become
coplanar. Finally, tighten the 8 BTP4*8 triangular self-
tapping screws and the columnar screws.
5. BTP4*8
L
6.
BTP4*8 (8 )
7. Fix the ventilation outlet assembly on the body with one
BTP4*8 triangular self-tapping screws. Then fix air exhaust
pipe on the ventilation outlet assembly with a clamp.
7. BTP4*8 (1 )
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BTP4*8 Triangular Self Tapping Screw
BTP4*8 (8 )
BTP4*8 Triangular
Self Tapping Screw
BTP4*8
Decorated Plate
Decorated Plate
Body
Base
BTP4*8 Triangular
Self Tapping Screw
BTP4*8 (1 )
Ventilation Outlet Assy.
Air Exhaust Pipe
Clamp
Columnar Round Screw
1369766-T01-E

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8. Take down the wiring cover plate. Insert the power cord
and 2 power lines of wall controller into the wire terminals.
Tighten the terminal screws and fix the lines. Finally, mount
the wiring cover plate. In line layout B, power line of wall
controller needn't be connected to wire box.
9. Put back and install the remaining plates. (Installation
finished)
8.
32
B
9. ( )
WALL CONTROLLER INSTALLATION
2
Power cord
LN
Wiring Terminal
Wire Box Cover
USER'S GUIDE
A. Button Function A.
Heater: Turn on/off or switch to the heater mode.
/"" ""
Fan: Turn on/off or switch to the fan mode.
/"" ""
Ventilation Turn on/off or switch to the ventilation mode.
/"" ""
Air Flow: Switch the air flow to fixed flow or swing flow (defaulted).
Power Line
Wall Controller
Wall Controller L
L
Wall Controller N
N
Screw
*2
ST4 10 Self
Tapping Screw
ST4 10
Base
Wall Controller
Back Cover
Power Line of
Wall Controller
(Line Layout A)
(A)
Fix the back cover and the base with two screws. Then
connect two power lines of wall controller with the wall
controller and tighten with power line screws. Finally, fix the
wall controller on the frame.
1369766-T01-E

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B. Time Setting
Under the heater mode, there is a delay of 30 secs after
the heater mode is stopped or switched ventilation mode.
Fan light flashes while air flow light is on within the 30
secs of delay.
Under the fan mode, there is a delay of 3 secs after the
fan mode is stopped or switched to heater or ventilation
mode.
Under the ventilation mode, there is a delay of 3 secs
after the ventilation mode is stopped or switched to heater
or fan mode.
The defaulted duration time of heater, fan and ventilation
mode is 2 hrs.
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C. Pairing Setting
Press ventilation and air flow for 2 secs within 3 minutes
after turning on power.
Pairing is successful after a beeping sound.
* The host of this product and the Wall Controller Assy have
been set and paired. Each host is packaged with a Wall
Controller Assy. Do not confuse the host with the wall
mounted switch during installation and removal. Avoid pairing
again.
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B.
"" ""
30 30
"" """
"3
"" """
"3
"" "" " 2
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C.
3
2
*
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TROUBLESHOOTING
Problem Diagnosis Solution
Bathroom heater does not
work.
Wall controller break down.
A. Power failure.
B. Disconnected power cord.
A. The pilot lamp does not turn on.
C. Circuit breaker is off .
B. Fail to control the bathroom heater.
C. Fail to control the bathroom heater.
A. Wait until the power is restored.
B. Connect the power cord into the junction box
of bathroom heater properly.
A. Ensure the wall controller is powered.
C. Turn on the power at the breaker.
B. Ensure the heater is powered.
C. Pair the heater again.
A.
B.
A.
C.
B.
C.
A.
B.
A.
C.
B.
C.
1369766-T01-E

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CARE & CLEAN (PROFESSIONAL ONLY)
1.
2.
3.
4.
5.
6.
7.
8.
9.
-11-
1. Turn off power supply before maintenance or cleaning. If
Casing or Air Louver are covered with dust, do not splash
water onto it. Use only damp sponge or cloth to wipe dirt
off.
2. Do not use eradicator, abrasive powder or oil, acid or alkali
liquid detergent to clean casing or air louver.
3. Never try to put a small screw-driver or any other object
into the holes of air Louver from outside. This might cause
damage to the interior parts, and electric shock may occur.
4. Shut off the all-pole switch.
5. Wipe the front panel and the panel base with a soft cloth.
6. Remove the filter from the louver.
7. Use a vacuum cleaner to remove dust and dirt from the
filter.
8. Reinstall the filter assembly.
9. Turn on the all-pole switch.
1369766-T01-E

IMPORTANT CONSUMER INFORMATION
-12-
1. This product is suitable for ambient temperature -10 ~40,
otherwise it may cause failure.
2. Please confirm no water penetration at the connection area
of AC wire, and the connection area is not easy to be
affected by damp.
3. Please confirm the AC power supply should be shut off
before maintaining the products with AC power related.
4. All electrical connection must be compliance with related
regulation and codes.
5. All installation staff should be well familiar with installation
instruction.
1. -10 40
°°C~ C
2.
3.
4.
5.
6. When children, the elderly, the disabled, and people with
physical perception and intellectual disabilities or lack of
experience and common-sense use or approach this
product, close monitoring is necessary. Children should not
be allowed to use or contact this product. Children should
not be left alone in the bathroom to play with switches and
other devices.
7. For children and the elderly who are unable to use a
bathroom heater on their own, help is needed to set up
work patterns that are appropriate for them.
8. This product is a fan heater, the heat of the heating
element is transferred to the space through the fan, and
the size of the bathroom area will affect the use effect of
the product.
Note: Troubleshooting needs to be done by professional
of KOHLER CHINA. Users are not suggested to do this
without help. Please remember that the checking and
repairs done by users themselves could easily cause
damage to the machine or cause physical harm to the
person.
6.
7.
8.
1369766-T01-E