Kohler S300, K-77404T-0 Installation 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

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BEFORE YOU BEGIN

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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 -

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This product complies with GB 4706.1-2005, GB4706.23­2007 and GB 4706.27-2008.

please leave instructions for the

consumer

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GB 4706.1-2005 GB4706.23-2007 GB

4706.27-2008

WARNING: Risk of electrical shock.

WARNING: Risk of electrical shock.

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.

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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

©©Copyright Kohler China Investment Co., Ltd. 2017

2017

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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

25W 25W
Ventilation Volume

Ventilation Noise

Ingress Protection

2.2m /min

3

2.2m /min

3

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)

+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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WIRING DIAGRAM

CTR

LIN

FAN

NOUT

HOT

NIN

LIGHT

A4
A3
A2
A1

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

RED

BLUE

BLUE

BLUE

BROWN

YELLOW

YELLOW

YELLOW

YELLOW/GREEN

/

2

1

+

+

+

+

+

+

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

2

2

Terminal

Conductor

Insulation

8

(Unit: mm)
(: )

WARNING

Make sure the power cord installed firmly,
otherwise it may catch fire.

Conductor

Conductor

Earth

Power Cord

8

8

8

13

15

10

Wall Controller

Signal Line

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