Modena Sano Series Owner's manual

User
Manual Book
Electric Storage Water Heater
Sano Series
ES 10 CS, ES 15 CS, ES 30 CS

2
TABLE OF CONTENT
Part 1: Important Safety Information 3
Special Caution 3
Part 2: Product Introduction 5
Part 3: Installation 5
Installation Instruction 5
Plumbing Connection 7
Part 4: How to Use 9
Part 5: Maintenance 10
Part 6: Troubleshooting 11
Part 7: Disposal of Used Product 12
Part 8: Specification 12
Appendix: Wiring Diagram 13
This manual book explains everything you need to know about your
new product. Please contact our Customer Care should you need
further assistance through www.modena.com.

3
Before installing this electric storage water heater, check and ensure
that the power socket is reliably grounded. Otherwise, this water
heater cannot be installed and used yet. Do not use the extension
cord if the power socket is damaged. Incorrect installation and use of
this water heater may result in serious injuries and loss of property.
Special Caution
This appliance (water heater) is not intended to be used by
persons with special needs for their physical, sensory or mental
capabilities, or lack of experience and knowledge (including
children), unless they have been given the supervision or
instructions concerning the use of the appliance by a person who
responsible for their safety. Children should be supervised to
ensure that they are not playing with this water heater.
The wall in which this water heater is installed should be able to
bear the twice bigger load than the weight of this water heater
filled fully with water without distortion and cracks. Otherwise,
other strengthening measures should be adopted.
The power socket must be earthed (grounded) reliably. The
installation height of the power socket should not be lower than 1.8
m. The rated current of the socket should not be lower than 16A.
The power socket and the power plug should be kept dry to
prevent electrical leakage. If the flexible power cord is damaged, a
special power cord that is provided by manufacturer must be
selected, and replaced by professional maintenance personnel.
Contact MODENA Customer Care for help.
For the correct operation of the appliance, it is necessary to pay
attention that the maximum inlet water pressure is 0.75 MPa, and
the minimum inlet water pressure is 0.1 MPa
When using the water heater for the first time (or for the first use
after maintenance), the water heater cannot be switched on until it
has been filled fully with water. When filling the water, at least one
of the outlet valves of the water heater must be opened to exhaust
the air. This valve can be closed after the water heater has been
filled fully with water.
PART 1: IMPORTANT SAFETY INFORMATION

4
The pressure relief valve that attached with the water heater must
be installed at the cold water inlet of this water heater, and make
sure it is not exposed to the vapor. The water may be out-flowed
from the pressure relief valve, so the outlet pipe must be opened
wide towards the air. In order to drain away the water inside the
tank (inner container), open up the pressure relief valve. Twist off
the thread screw of the pressure relief valve, and lift the drain
handle upwards (see picture 1). The drainage pipe that connected
to the pressure relief hole must be kept sloping downwards and
placed in a frost-free environment. The water may drip from the
discharge pipe of the pressure relief valve; therefore, this pipe
must be left open to the air (atmosphere).
During the heating process, there may be drops of water dripping
from the pressure relief hole of the pressure relief valve, and this is
a normal case. The pressure relief hole shall not be blocked under
any circumstances; otherwise, the water heater may get damaged
or even resulting on accidents. If there is a large amount of water
leak, please contact MODENA Customer Care for repair.
The pressure relief valve needs to be checked and cleaned
regularly, so as to make sure it will not be blocked.
Since the water temperature inside the water heater can reach up
to 75 °C, the hot water must not be exposed to human bodies
when it is initially used. Adjust the water temperature suitably to
the endurance of human skin in order to avoid scalding.
If any parts and components of this water heater are damaged
please contact MODENA Customer Care for repair.
Pressure
Relief Valve
Thread Screw
Pressure
Relief Hole
Pressure
Relief Valve
Hot Water
Cold Water
Drainage
Pipe Handle
Hot Water
Outlet
Cold Water
Inlet

5
Installation Instruction
This water heater should be installed on a solid wall. If the
strength of the wall cannot bear the load equal to twice bigger of
the total weight of the water heater filled fully with water, it is then
necessary to install a special support. In case of the hollow bricks
wall, ensure to fill the wall with concrete cement completely, and
use anchor fastener bolt (expansion bolt) in case of the hebel wall.
ES 10 CS
ES 15 CS
ES 30 CS
A
324 mm
368 mm
440 mm
B
324 mm
368 mm
440 mm
C
315 mm
340 mm
388 mm
D
66 mm
66 mm
66 mm
PART 2: PRODUCT INTRODUCTION
PART 3: INSTALLATION
Knob
Cold Water
Inlet
Hot Water
Outlet
Indicator Light
C
D
A
B

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After selecting a proper location, determine the position of two
holes that are used for the installation of the expansion bolts with
hook. Make two holes on the wall by using a chopping bit with the
depth matching to the size of the expansion bolts that attached
with the water heater. Then, insert the bolts, turn the hook
upwards, tighten the nuts to fix firmly, and then hang the water
heater on it.
Install the power socket in the wall. The requirements for the power
socket are as follows: 250V/10A, single phase, and three
electrodes. It is recommended to place the power socket on the
top right of the water heater. The height of the socket to the
ground shall not be less than 1.8 m.
If the bathroom is too small, the water heater can be installed at
another place outside the bathroom. However, in order to reduce the
heat loss caused by long pipeline, the installation position should be
as near as possible to the bathroom.
Expansion bolt with
hook
Ground
≥1.8 m
N (Blue)
E (Yellow/Green)
L (Brown)

7
Plumbing Connection
The dimension of inlet and outlet water pipe is G1/2.
Connect the pressure relief valve with the inlet water of the water
heater.
In order to avoid the leakage when connecting the pipelines, the
provided rubber seal must be installed by the end of the threads
to ensure the connections are leak proof.
Power Cord
Rubber Seal Gasket
Cold Water Inlet
Pressure Relief Valve
Pressure Relief Hole
Hot Water Outlet
Joint Screw for the Cold Water Inlet
Hot Water
Rubber Seal Gasket
Adjustable Handle
For Mixing Valve
Hot Water
Power Cord
Rubber Seal Gasket
Rubber Seal Gasket
Hot Water Outlet
Adjustable Handle
For Mixing Valve
Joint Screw for the Cold Water Inlet
Pressure Relief Hole
Pressure Relief Valve
Cold Water Inlet

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If the user wants to make a multi-ways supply system, refer to the
method shown in figure below for connection of the plumbing.
Basin /
Water-pool
Power Cord
Pressure Relief Valve
Water Inlet Valve
Triple Joint
Joint
Mixing Valve
Shower Head
Water Supply Pipe
Pipe
Water Supply Valve
Hot Water
Outlet
Cold Water
Inlet
Power Cord
Pressure Relief Valve
Water Inlet Valve
Shower Head
Water Supply Valve
Water Supply Pipe
Pipe
Mixing Valve
Triple Joint
Joint
Hot Water
Outlet
Cold Water
Inlet

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First, open the outlet valve, and then open the inlet valve. The
water heater gets filled with the water. When the water flows out
of the outlet pipe, it implies that the water heater has been filled
fully with water. Then, closes the outlet valve.
Insert the power plug into the power socket.
If the indicator lamp lights up, the thermostat will automatically
control the temperature. When the water temperature inside the
heating tank has reached the set temperature, the water heater
will switch off automatically. If the water temperature falls below
the set point, the water heater will turn on automatically to restore
the default temperature.
Rotate the knob according to the knob marker to increase or
decrease the temperature.
In a power-on state, the water heater is heating when the
indicator light turns blue. The indicator light will turn off when the
heating process is finished, and the water heater is in the
insulating state.
PART 4: HOW TO USE

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Check the power plug and the power socket as often as possible.
Electrical/power socket must be secured, and also proper
grounding must be provided. The power plug and the power
socket must not heat excessively.
If the water heater is not used for a long time, especially in the
area with low air temperature (below 0 oC), it is necessary to drain
the water from the heater to prevent damage, due to water-
freezing in its internal tank (refer to the “Cautions” chapter in this
manual book for the method of draining away the water from the
inner container/tank).
To make the water heater durable, it is recommended to regularly
clean the internal tank and remove deposits on the electric
heating element of the water heater, as well as check the
condition of the magnesium anode (whether fully decomposed or
not) and, if necessary, replace it with a new one in case of full
decomposition. Tank cleaning frequency depends on the hardness
of the water in each location where this water heater is applied.
Cleaning must be performed by MODENA or special maintenance
services. Contact MODENA Customer Care if necessary.
The water heater is equipped with a thermal switch, which cuts off
the power supply of the heating element upon overheating water
or the absence of water in the water heater. If the water heater is
connected to the power supply (electricity), but the water is not
heated and the indicator does not light up, then the thermal
switch was off or not switched on. To reset the water heater to
the normal operating condition, it is necessary to:
1. De-energize the water heater; remove the plate of the
side/lower cover.
2. Press the button that is located at the center of the thermal
switch
PART 5: MAINTENANCE
WARNING!
Do cut off the power supply before maintenance in order to
avoid danger like electric shock.

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3. If the button is not pressed and there is no clicking, then you
should wait until the thermal switch cools down to the initial
temperature.
Problem
Possible Cause
Recommended Actions
Heating indicator light
is off.
Failure of the temperature
controller.
Contact MODENA Customer
Care for repair.
No water coming out
from the hot water
outlet.
1. The inlet water is cut off.
2. The water pressure is too
low.
3. The inlet water valve is not
open.
1. Wait for the water
supply to be restored.
2. Use the water heater
again when the water
pressure is increased.
3. Open the water inlet
valve of running
water supply.
Water Temperature is
over-high.
Failure of the temperature
control system.
Contact MODENA Customer
Care for repair
Water leak.
Problem on the seal of each
pipe joints (connection).
Seal up the joints.
Manual Reset Button
WARNING!
Non-professionals are not allowed to disassemble the thermal
switch to do reset. Please contact professionals of MODENA to
maintain this water heater. Otherwise, MODENA will not take
responsibility of any accidents.
PART 6: TROUBLESHOOTING
Manual Reset Button

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This symbol on the product, or in its packaging, indicates that
this product may not be treated as household waste. Instead,
it should be taken to the appropriate waste collection point
for the recycling of electrical and electronic equipment. By
ensuring this product is disposed of correctly, you will help
preventing the potential negative consequences for the environment
and human health, that otherwise could be caused by the inappropriate
waste handling of this product. For more detailed information about the
recycling of this product, please contact your local council or your
household waste disposal service.
Model
ES 10 CS
ES 15 CS
ES 30 CS
Product Type
Electric Storage
Water Heater
Electric Storage
Water Heater
Electric Storage
Water Heater
Capacity
10 L
15 L
30 L
Power
200 W
350 W
350 W
Voltage
220-240 V/ 50 Hz
220-240 V/ 50 Hz
220-240 V/ 50Hz
Working Pressure
0.1 –0.75 MPa
0.1 –0.75 MPa
0.1 –0.75 MPa
Temperature
Range
30 –65 °C
30 –75 °C
30 –75 °C
Heating Tank
Titanium
Porcelain Enamel
Titanium
Porcelain Enamel
Titanium
Porcelain Enamel
Heating Indicator
Yes
Yes
Yes
Power Indicator
Yes
Yes
Yes
Overheat
Protection
Yes
Yes
Yes
ELCB
Yes
Yes
Yes
Magnesium
Anode
Yes
Yes
Yes
Waterproof Grade
IPX4
IPX4
IPX4
Type of
Installation
Vertical
Vertical
Vertical
Dimension
324 x 324 x 315
mm
368 x 368 x 340
mm
440 x 440 x 420
mm
Net Weight
7.5 kg
9.6 kg
13.0 kg
PART 7: DISPOSAL OF USED PRODUCT
PART 8: SPECIFICATIONS

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Specifications of this appliance may change without notice to improve the quality of the
product. Pictures in this manual are schematic and may not match your product exactly.
Values stated on the machine labels or in the documentation accompanying it are
obtained in laboratory in accordance with the relevant standards. Depending on
operational and environmental conditions of the appliance, values may vary.
APPENDIX: WIRING DIAGRAM
Thermostat
Thermal
Switch
Brown
Blue
Yellow/Green
Power Indicator
Lamp
Heating Element
Heating Indicator Lamp
L
N
E

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