Kohler S300 User manual

Installation and Homeowners Guide

Underscore Bathroom Heater S300

S300

K-77404T-0

KOHLER CHINA INVESTMENT CO., LTD NO.158, JIANG CHANG SAN ROAD,

JING'AN DISTRICT, SHANGHAI, PRC POST CODE: 200436

( ) 158 200436

1322966-T01-B

-1-

BEFORE YOU BEGIN

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 and GB 4706.27-2008.

please leave instructions for the

consumer

GB 4706.1-2005 GB4706.23-2007 GB

4706.27-2008

WARNING: Risk of electrical shock.

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.

Tape measure

Level

Screw driver

Connection wire

Wire cutter

Insulation tape

Bushing

Percussion Drill

Pen Knife

Wrench

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

266

285

Junction Box Cover

280

256

200

160

Ventilation Outlet

Hot Air Outlet

2017

1322966-T01-B

-2-

SPECIFICATIONS

Model

Voltage/Frequency /

220V~/50Hz

K-77404T-0 K-77404T-0

220V~/50Hz

Rated Input Power 2150W 2150W

Heater Power

Fan Power

Ventilation Power

2125W 2125W

25W 25W

Ventilation Volume

Ventilation Noise

Ingress Protection

2.2m /min

32.2m /min

43dB 43dB

IPX2 (Bathroom Heater) IPX2 ( )

IPX4 (Remote Control) IPX4 ( )

SIMPLIFIED DIAGRAM OF THE UNIT

Note: Plaster or other ceiling opening dimension: 275 X 275 (mm)

275 X 275 (mm)

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

Keel Lock

1322966-T01-B

-3-

WIRING DIAGRAM

CTR

LIN

FAN

NOUT

HOT

NIN

LIGHT

12V

STEPPER MOTOR

BLUE

RED

PINK

YELLOW

ORANGE

HEATER

THERMOSTAT

THERMAL FUSE

OVER CURRENT FUSE

MOTOR

CAPACITOR

ALL-POLE SWITCH (OPTIONAL)

220V

50Hz

THE RATE OF THE POWER SWITCH

MUST NOT BE LOWER THAN 250V 16A

250V 16A

RED

BLUE

BROWN

YELLOW

YELLOW/GREEN

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 3X1.0mm .

GB/T 5023.5 60227 IEC 53 ,

3X1.0mm

Terminal

Conductor

Insulation

(Unit: mm)

(: )

WARNING

Make sure the power cord installed firmly,

otherwise it may catch fire.

Conductor

Earth

Power Cord

Wall Controller

Signal Line

1322966-T01-B

-4-

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.

(

)

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

Hole on the Wall Hole on the Wall

80mm

115mm

B. Take out the bathroom from package. B.

Bathromm Heater

1322966-T01-B

-5-

C. Packing List C.

1285547

80 Air Outlet Window

1285548

80 Air Exhaust Pipe

1285549

Clamp

21285550

Ventilation Outlet Assy.

Note: Initial Length:275mm

Stretch Length: 1300mm

275mm

1300mm

BTP4 8 Triangular

Self Tapping Screw

BTP4 8

Triangular

Self-tapping Screw

BTP4*8

INSTALLATION

Caution before installation:

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.

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

1327471

L-mounting Bracket

ST4 10 Self

Tapping Screw

ST4 10

Base

Wall Controller

1325479

Wall Controller Assy.

Frame

1322966-T01-B

-6-

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

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.

()

3. L

4. 4 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

1322966-T01-B

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

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 )

-7-

BTP4*8 Triangular Self Tapping Screw

BTP4*8 (8 )

BTP4*8 Triangular

Self Tapping Screw

BTP4*8

Decorated Plate

Body

Base

BTP4*8 Triangular

Self Tapping Screw

BTP4*8 (1 )

Ventilation Outlet Assy.

Air Exhaust Pipe

Clamp

Columnar Round Screw

1322966-T01-B

-8-

8. Take down the wiring cover plate. Insert the power cord

and 2 signal lines into the wire terminals. Tighten the

terminal screws and fix the lines. Finally, mount the wiring

cover plate.

9. Put back and install the remaining plates. (Installation

finished)

9. ( )

Power cord

Wiring Terminal

WALL CONTROLLER INSTALLATION

Fix the wall controller frame and the base with two screws.

Then connect two signal lines with the wall controller and

tighten with signal line screws. Finally, fix the wall controller

on the frame.

Wall Controller

Signal Line

Wall Controller Signal Line

Frame

Screw

Base

Self-tapping Screw

ST4*10

Wire Box Cover

1322966-T01-B

-9-

USER'S GUIDE

A. Button Function A.

B. Time Setting

Under the heater mode, there is a delay of 20 secs after

the heater mode is stopped or switched to fan or

ventilation mode.

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.

"" """

"20

"" """

"" "" " 2

TROUBLESHOOTING

Problem Diagnosis Solution

Bathroom heater does not

work.

Wall controller break down.

A. Power failure.

D. The signal line route is interrupted.

B. Disconnected power cord.

A. The pilot lamp does not turn on.

C. Circuit breaker is off .

B. Fail to control the bathroom heater.

A. Wait until the power is restored.

D. Check the signal line route and ensure that it

is connected properly.

B. Connect the power cord into the junction box

of bathroom heater properly.

A. Ensure that the signal line is connected

properly.

C. Turn on the power at the breaker.

B. Connect the signal line and the bathroom

heater properly.

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).

1322966-T01-B

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