Modena Sano Series Owner's manual

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

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Thank you for your trust in choosing MODENA products for your household
needs. With your satisfaction as our priority, we constantly aim to deliver
stylishly designed products equipped with state-of-the-art technology to
assist you in your daily activities.
This is your guidebook containing everything you need to know about our
product. Please reach us if you need further assistance or other information
via our Customer Care or our official website www.MODENA.com.

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CONTENTS PAGE.
Introduction 2
Part 1 : Product Introduction 4
Part 2 : Important Safety Information 4
Part 3 : Installation 5
Part 4 : How to Use 7
Part 5 : Maintenance 8
Part 6 : Troubleshooting 9
Part 7 : Disposal of Used Product 9
Part 8 : Specification 9
Part 9 : Internal Wiring Diagram 10

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Before installing this water heater, check and confirm that the supply socket is reliably grounded.
Otherwise, the electrical water heater cannot be installed and used. Do not use extension boards.
Incorrect installation and use of this electrical water heater may result in serious injuries and loss of
property.
SPECIAL CAUTIONS
This appliance (water heater) is not intended to be used by persons with physical, sensory or
mental special needs, 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 the electrical storage water heater is installed shall 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 shall be adopted.
The power socket must be earthed (grounded) reliably. The installation height of the power
socket shall not be lower than 1.8 m. The rated current of the socket shall not be lower than 16A.
The power socket and the power plug shall be kept dry to prevent electrical leakage. If the flexible
power cord is damaged, a special supply cord provided by manufacturer must be selected, and
replaced by professional maintenance personnel. Contact MODENA Call Center 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 the first use after maintenance), the heater
cannot be switched on until it has been filled fully with water. When filling the water, at least one
of the outlet valves at the outlet of the heater must be opened to exhaust the air. This valve can
be closed after the heater has been filled fully with water.
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 the from pressure relief valve, so the outlet pipe must open wide towards the air. In order
ES 10CS
ES 15CS
ES 30CS
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: Important Safety Information
Part 1: Product Introduction
A
B
C
D
Indicator Light
Knob
Cold Water
Inlet
Hot Water
Outlet

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to drain away the water inside the 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, even resulting on
accidents. If there is a large amount of water leak, please contact MODENA Call Center 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 to a suitable
temperature to avoid scalding.
If any parts and components of this electrical water heater are damaged please contact MODENA
Call Center for repair.
INSTALLATION INSTRUCTION
This electric storage water heater shall be installed on a solid wall. If the strength of the wall
cannot bear the load equal to two times 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 it with concrete cement completely, and use anchor fastener bolt (expansion bolt) in case of
the hebel wall.
After selecting a proper location, determine the position of the two installation holes used for
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
screws, make the hook upwards, tighten the nuts to fix firmly, and then hang the electrical water
heater on it.
Part 3: Installation
Expansion bolt
with hook

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Install the power socket in the wall. The requirements for the power socket are as follows: 250V/10A,
single phase, 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 1.8m.
If the bathroom is too small, the water heater can be installed at another place outside the bathroom.
However, in order to reduce the pipeline heat losses, the installation position should be as near as
possible to the bathroom.
PIPELINES 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
added at the end of the threads to ensure the connections are leak proof.
If the user wants to make a multi-ways supply system, refer to the method shown in figure below
for connection of the pipelines.
Ground
≥1.8 m
N (Blue)
E (Yellow/Green)
L (Brown)

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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, thermostat will automatically control the temperature. When the
water temperature inside the heater has reached the set temperature, the heater will switch off
automatically. If the water temperature falls below the set point, the heater will turn on
automatically to restore the default temperature.
Part 4: How to Use

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Rotate the knob according to the knob marker to increase or decrease the setting temperature.
In a power-on state, the heater is heating when the indicator light is blue. The indicator light will
turn off when the heating process is finished, and the heater is in the insulating state.
Warning: Do cut off the power supply before maintenance, to avoid danger like electric
shock.
Check the power plug and the power socket as often as possible. Secure electrical contact and
also proper grounding must be provided. The power plug and the power socket must not heat
excessively.
If the heater is not used for a long time, especially in the area with low air temperature (below
0oC), it is necessary to drain the water from the heater to prevent damage of the water heater,
due to water-freezing in the internal tank.(Refer to the “Cautions” chapter in this manual book for
the method of draining away the water from the inner container).
To make the water heater operation 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 Call Center 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 switched off or not switched on. To reset the water
heater to the 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
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.
Part 5: Maintenance
Manual Reset Button

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Warning: Non-professionals are not allowed to disassemble the thermal switch to do the reset.
Please contact professionals of MODENA to maintain this electric storage water heater. Otherwise,
MODENA will not take responsibility of any accidents.
Problem
Possible Cause
Recommended Actions
Heating indicator light is
off.
Failure of the temperature
controller.
Contact MODENA Call Center 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 restoration of the
running water supply.
2.Use the heater again when the
water pressure is increased.
3.Open the water inlet valve of
running water supply.
Over-high Water
Temperature
Failure of the temperature
control system.
Contact MODENA Call Center for
repair
Water leak.
Problem on the seal of each
pipe joints (connections).
Seal up the joints.
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, which could otherwise 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 10CS
ES 15CS
ES 30CS
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/ 50 Hz
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
Part 7: Disposal of Used Product
Part 6: Troubleshooting
Part 8: Specifications

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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
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.
Part 9: Internal Wiring Diagram