Faber FWH SPLASH 301CH, FWH SPLASH 302CH, FWH OTTIMO 501CH, FWH SPLASH 303RS, FWH OTTIMO 502PL Instruction Manual

Instant Electric Water Heater

The diagram above is just for reference. Please take the

appearance of the actual product as the standard.

Instruction Manual

For Model:

Thank you very much for purchasing our water heater.
Before installing and operating your water heater, please
read this manual carefully and keep it for future reference.

FWH SPLASH 301CH(WITH PUMP)
FWH SPLASH 302CH(WITH PUMP)
FWH SPLASH 303RS(WITH PUMP)
FWH OTTIMO 501CH(WITHOUT PUMP)
FWH OTTIMO 502PL(WITHOUT PUMP)

1

TABLE OF CONTENTS

TITLE PAGE

1.Cautions ........................................................................................................................... (2)

2.Product introduction .........................................................................................................(3)

3.Unit installation .................................................................................................................(7)

4.Methods of using ............................................................................................................(10)

5.Maintenance................................................................................................................... (11)

6.Troubleshooting.............................................................................................................. (12)

Sincerely thank you for selecting our electric water heater. Please read this manual carefully
before use; correctly grasp the methods for installation and use of this electrical water heater, to
make full use of its excellent performances. Please do preserve the instruction manual for future
reference.

2

For any improper installation and incorrect operation of this product, our company will not be
liable for any responsibility.

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This water heater is for household, and it can be installed wherever place that need hot water.
Plug is not used for this water heater; this water heater must be connected directly with power
switch that comes with leakage-protection. Please distinguish live line (red/brown), neutral line
(blue) and earth line (green/yellow) during installation.
Do check whether the amperes of the household wiring enough before installation, and
dedicated circuit must be used when installation.
Before installing this water heater, check and confirm the earth electrode on the socket is reliably
earthed, without electricity.
The hot water from the water heater may cause scald, please test the temperature of the hot
water before use.
The distance between water heater installed and water output should be as nearby as possible
to avoid loss of heat.
The electric water heater may be damaged if the water hardness is too high. To ensure longer
product lifespan, please install and put it into use on condition that the local water hardness is
less than 450mg/L (CaCO3)
In time of lightning/thunder, switch “Off” the Miniature Circuit Breaker (MCB) in advance to
protect the water heater against possible damage.
Inspection on the built-in ELCB (once a month) to avoid a hazard to users such as damage to
property, serious injury or death.
Do cut-off power supply before any maintenance. Any maintenance or adjustment towards this
product by non-professional is highly prohibited.
The damage power cord must be replaced by a good power cord provided by the manufacturer,
and the replacement should be done by a qualified technician or engineer or professionals of
the similar products.
In order to avoid a hazard due to

inadvertent resetting of the Earth Leakage Circuit Breaker
(ELCB), this appliance must not be supplied through an external switching device, such as timer
or connected to a circuit that is regularly switched “On” and “Off” by the utility.
Water heater is equipped with adjustable flow capacity safety valve. For safety use, please do
not change its installation location and do not block its water outlet.
This water heater can be used for other purpose, eg. Washing hands, dishes or foods, and so on.
(Multi directional water supply is not available).

When the shower is used by someone such as child, old person, sick person and physical
handicapped person, the concern person is kindly requested to pay attention and check the
shower temperature by using hand from time to time.

To prevent personal injury, injury to others and property damage, the instructions below must be
followed. Incorrect operation due to failure to follow instructions will cause harm or damage.

Special Cautions

1. CAUTIONS

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Electric water heater is divided into 2 types, namely instantaneous water heaters and stored
water heaters (storage tank type):
a) Instantaneous water heaters shall be equipped with a 2 pole control switch and its own residual
current device. Storage water heaters (storage tank type）shall be installed with anisolator and
its own residual current device.
b) Water heaters exceeding 3kW shall be permanently connected to a 20A/30A rated circuit
breaker/fuse with an isolator switch and residual current device.

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Appliance is not to be used by children or persons with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction. Children being supervised not to play with appliance.

3

2. PRODUCT INTRODUCTION

NOTE

This manual is applicable to the instant electric water heaters manufactured by this
company. The nomenclature of the product is complied according to the Malaysia
Standard.

2.1 Technical Performance Parameters

Model

Rated Voltage

Rated Frequency

Rated Power

Rated Current

Dia. Of Wire Core

Air Switch

Rated Pressure

Minimum Flow Rate

Minimum Pressure

Maximum Pressure

Protection Class

Water Proof Class

Products Size

Knob Quantity

3800W

16A

4mm²

≥20A

SPLASH series OTTIMO series

I

240V~

50Hz

0 MPa

2 Liters/minute

0.03 MPa

0.3 MPa

IP25

200×400×97 mm

1

1

WARNING

The water heater should be earthed before use. Please ensure that the resistance of
household earth wire is <4Ω. Using water heater without earthed is highly prohibited.

!

4

2.2 Parts Identification

Terminal block

Silicon control

DC pump

Flow sensor

Marker for
water inlet

Water inlet

Wire pressing board

Thermal
cut out

Main control board

Stainless
steel circlip

Temperature

sensor

Marker for
wateroutlet

Water outlet

Red

Blue

PRODUCT STRUCTURE FOR OTTIMO SERIES

PRODUCT STRUCTURE FOR SPLASH SERIES

Indicator light board

Terminal block

Silicon control

Flow sensor

Marker for
water inlet

Water inlet

Wire pressing board

Thermal
cut out

Main control board

Heating
elements
assembly

Stainless
steel circlip

Temperature

sensor

Marker for
wateroutlet

Water outlet

Red

Blue

Indicator light board

2.4 Internal Wire Diagram

5

5

6

4

7

9

3

10

1

2

⑧：DC Pump

⑦：Temperature Sensor
（Water Outlet）

⑥：

Heating Elements

⑤：Thermal Cut Out

④：Indicator Light Board

③：Main Control Board

②：Terminal Block

①：Key Board

⑩：Silicon Control

⑨：Flow Sensor

N

PE

L

G

T1

T2

8

5

6

4

7

9

1

2

⑧：Silicon Control

⑦：Temperature Sensor
（Water Outlet）

⑥：

Heating Elements

⑤：Thermal Cut Out

④：Indicator Light Board

③：Main Control Board

②：Terminal Block

①：Key Board

⑨：Flow Sensor

N

PE

L

G

T1

T2

3

8

L

N

CN6

WIRING DIAGRAM FOR SPLASH SERIES

WIRING DIAGRAM FOR OTTIMO SERIES

N

L

RL2 RL1

CN1

6

3.1 Installation Instruction

3.2 Power Cord Installation

Check the capacity of power circuit;

Power cord installation;

Water heater installation;

Plumbing connection;

Power supply connection;

①
②
③

④
⑤

Water Supply.

Step 1 Step 2

⑥

3. UNIT INSTALLATION

Step 3 Step 4

Step 5 Step 6

Remove the screws at the bottom of the unit. Lift
up the Main Switch Knob and Power Knob to
make it free. Remove the front plate gently.

Gash the middle of the film of the power cord
jacket with a sharp knife in order to put into
power lines.

Tighten the wire-pressing plate with screws to
primary position, ensure that the power cord not
be pulled out more than 60N.

Remove the power cord wire pressing plate and
keep the screws.

Screw the power cord into the jacket for
installation of wire pressing plate.

Connect the power cord to wiring terminals; the
method is as shown in picture.

WARNING

Minimum conductor sizes
Live: 4mm² Neutral: 4mm² PE: 4mm²

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7

3.3 Water Heater Installation

3.4 Plumbing Connection

①

②

③

④

⑤

NOTE

The installation position of neutral line (blue), live line (brown/red) and earth line
(green/yellow) should be corresponding to the other end on wiring terminals.

Make sure the distance between the unit and surrounding wall is not less than 300mm, so
that to have enough space for maintenance purpose.

Determine the position of four fixing screws (attached with the unit), make four holes with

corresponding depth in the wall by means of a drill and drive a wall plug into the hole.

Drive in the screws on the top and ensure certain distance between screw head and wall
(See Fig.1)

Mount the unit on the wall and tighten with two screws at bottom, connect the wires and
install top cover with the screws.

Determine installation position of the unit according to length of power cord / position
of air switch (Distance between bottom and floor should be ≥1.6m).

①

②

Shower flexible tube should be connected with water outlets and shower head separately,
attached sealing ring should be used at end face.

Water valve with filter should be installed at water inlet of the unit, sealing ring with filter
should be used at end face. (See Fig.2).

(Fig.1)

WARNING

Metallic / chromed hose and conductive control valve shall not be used.

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170

275

8

3.5 Power Supply Connection

3.6 Water Supply

①
②

③

Choose air switch with leakage protection according to power of water heater;

When connecting the water heater to electric network, please pay attention to connect live
line (red/brown), neutral line (blue) and earth line (yellow/green) with corresponding line in

electric network.

Adjust power selection knob to“OFF”;

(Fig.2)

Water flow
adjusting
valve with
filter

Cold water inlet

NOTE

Water flow adjusting valve with filter must be used when install the unit. Blue marker
stands for water inlet, red marker stands for water outlet. Do not overexert to avoid
damaging the water heater.

NOTE

A private power cord should be used for this unit. After connecting to electric network,
please check the earth condition and make sure the earth resistance is <4Ω.

After all the plumbing is

finished

connecting, open water inlet valve of the product and supply
water to the unit to drain away air inside until there is stable water flow comes out from shower
head. Check whether there is leakage at joints or not. If there is, check whether the connecting
parts are fastened or not, then re-supply water.

9

4.1 Operating Of The Unit

4.2 Leakage Testing

4.3 To Adjust Water Flow

Switch on the power supply, the unit will take self-inspection for 2s, “ELCB”;

With

Pump

Bottom Left

"EARTH" blue indicator light will be on (well connected to the Ground). Green
indicator light will be on (under the condition of no electricity leakage). When
the water flow exceeds 1.2L/min, rotate the knob clockwise to switch on heating
power rotate switch, heating indicator light will be on, the unit start to work.

4. METHODS OF USING

When the water heater is working normally (including working state of PUMP),
press “TEST” button, if the leakage test circuit is no problem, “ELCB” green
indicator light will be blinking, and the unit will not heat. Press “RESET”, testing
will be canceled, and “ELCB” green indicator light will be on, the unit will be back
to working state set before. If the circuit leaks, press “RESET” button can’t
cancel leakage testing,

“ELCB” indicator light is twinkling flicker, it means the
water heater has problems and can’t be used; all the buttons are invalid, heating
stopped, and pump will be closed.

If "EARTH" blue indicator light is off,

is

it means the heater cannot be connected

to the Ground firmly. Please check the

Grounding before usage.

Rotate the handle of water flow adjusting valve to adjust the water flow.

4.4 Electricity Leakage Protection

When the electricity leakage testing circuit is working normally, if the leakage current is bigger than
certain value between 7.5mA and 15mA, “EARTH”、“ELCB” and “POWER” indicator light will be
twinkling flicker, no heating; it can only be used after the failure is excluded. (When electricity
leakage is tested, red and green indicator lights are all off, stop heating and close the pump
system.)

4.5 To Adjust Water Temperature

Rotate the handle of water flow adjusting valve to adjust to proper water flow. Adjust power by rotating
knob, clockwise

rotate, power will be increased and water temperature increase accordingly or vice

versa.

NOTE

For first time using, ensure electrify after the unit is filled fully with water and there is
stable water flow comes out from shower head.
The electric water heater may be damaged if the water hardness is too high. To
guarantee the normal service life, please install and put it into use on condition that the
local water hardness is less than 450mg/L (CaCO3).

If the water flow is small and power is high while using the unit, outlet water temperature is rather
high; the unit will stop heating automatically. At this time, please lower the power and adjust the
water flow faster in order to avoid inconsistency of water temperature.

4.7 Use After Overheating Protection

When the unit is working under normal condition, press “PUMP”, The pump will start immediately and
while press again, the pump stops.

4.6 To Activate Pump Function (For SPLASH series)

Without

Pump

4.8 "EARTH" LED Indicator (Ground) after power on.

"EARTH" LED ON & "ELCB" ON

a) Water Heater and ground was well connected. Ground was in good condition.

"EARTH" LED OFF & "ELCB" ON

a) Water Heater detect no ground connected or ground was not in good condition.
b) However, water heater still can operate normal with his own performance.
c) Advice to check ground condition and repair ground if necessary so that water heater are idealy grounded.

10

This electric water heater should be installed at the place without sunshine or rain spray.
Please cut off power supply if not use for long time.
Please blow down the water for about 10 seconds to drain away the impurities in the pipe before
connecting the water source to the electric water heater to avoid blockage of water heater.
If long time no use the unit, check the water heater first before use. Electrify after the water
flows out stably.
Do not spray water to air switch or heater body directly, to avoid moist.
Please cut off the power in the weather of thunder and rain to avoid damaging the water heater.
If not use for long period of time, please cut off water inlet to prolong the lifespan of the water
heater.
Check the power cord connecting terminals frequently to make sure that they are well and
reliably contacted, no overheating phenomenon, and grounding is good or not.
Disassembly shower head and sealing ring with filter to clean periodically.

DECLARATION: this water heater can only be maintained by authorized service personnel,
incorrect installation and using method may cause serious injury or loss of property.

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5. MAINTENANCE

WARNING

Do cut off power supply before maintenance, to avoid danger like electric shock.

!

SUGGESTIONS

1. Check whether power
is cut

2. Contact authorized
service personnel for
repair.

1. Rotate “TEMP” knob

2. Repair or replacement

the PCB

1. Press the reset handle

of the thermal cut out
after checking and
troubleshooting

2. Change the heating

elements

3. Adjustable water flow

4. Change the flow sensor

5. Open the flow sensor

and clean the rotor

1. Wait for restoration of
running water supply;

2. Open the inlet valve of
running water.

Adjust the heating power
lower, make the water
bigger.

Contact authorized service
personnel for repair.

Contact authorized service
personnel for repair.

REASONS

1. Power supply error;

2. PCB error;

3. Electricity leaks.

1. The “TEMP” knob is off;

2.

3. The water flow
insufficient 1.2L/min;

PCB error;

4. Impurities clogging the
flow sensor of the rotor

1. The running water
supply is cut off;

2. The inlet valve of running
water is not open.

1. Water pressure is not
stable.

2. Outlet water temperature
is too high, overheating
pr

otection again and

again.

Electricity leaks.

PUMP error.

Temperture sensor
is broken

Change the temperture
sensor

SYMPTOMS

The heating indicator light
is off and the outlet
water is cold.

The heating indicator light
is on and the outlet
water is cold.

6. TROUBLESHOOTING

Switch on the power
supply, ELCB indicator
light is off.

No water flows out from
the shower head.

Outlet water temperature
sometimes is hot,
sometimes is cold.

Pressure can’t be
increased.

1. The thermal cut out
is cut off

2. Heating elements
is broken

“POWER” indicator light
is twinkling flicker

“E LCB” indicator light
is twinkling flicker.