Modena Veloce Series Owner's manual

User Manual Book
(Electric Instant Water Heater)
Veloce Series
EL 2D B, EL 2 W

2
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.

3
CONTENTS PAGE.
Introduction 2
Part 1 : Name of Parts 4
Part 2 : Important Safety Information 5
Part 3 : Installation 6
Part 4 : How to Use 8
Part 5 : Maintenance 10
Part 6 : Troubleshooting 10
Part 7 : Specification 11
Part 8 : Wiring Diagram 12

4
EI 2D B
El 2 W
Part 1: Name of Parts

5
To prevent personal injury, injury to others, and property damage, the safety instructions below must
be followed. Incorrect operation due to failure to follow the instructions will cause harm or damage.
SPECIAL CAUTIONS
This water heater is household-based usage, and it can be installed in every area with hot water
necessity.
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 the live line (red/brown), the neutral
line (blue) and the earth line (green/yellow) during installation.
Do check whether the ampere (A) of the household wiring is enough before the installation, and
particular circuit must be used during installation.
Before installing this water heater, make sure the grounding electrode on the socket is reliably
grounded 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 the installed water heater and the water output should be as nearby as
possible to avoid loss of heat.
This electric instant 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.
Inspect 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 the power (electricity) supply before any maintenance. Any maintenance or adjustment
towards this product by non-professional is highly prohibited.
The damaged 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 location of installation and do not block its water outlet.
For any improper installation and incorrect operation of this product, MODENA will not be liable for
any responsibility.
This water heater can be used for other purposes, eg. washing hands, dishes or foods, and so on.
When the shower is used by children, elderly, or person(s) with special needs for their mental and
physical capabilities, the heat-checking of water temperature by using hand from time to time is
necessary.
Children should be supervised to ensure that they do not play with this appliance.
Part 2: Important Safety Information

6
POWER CORD INSTALLATION
1. Remove the screws at the bottom of the
unit. Lift up the main switch knob and the
power knob to make it free. Remove the
front plate (the cover) gently.
2. Remove the pressing plate of the power
cord and keep the screws.
3. Gash the middle of the power cord jacket
with a sharp knife in order to insert the
power cord (lines).
4. Insert the power cord (lines) into the jacket
for installation of the wire pressing plate.
5. Tighten the wire-pressing plate with the
screws to primary position; make sure that
the power cord doesn’t come loose when it
is pulled at 60N force.
6. Connect the end of the power cord to wiring
terminals; the method is as shown in the
image.
Part 3: Installation
Note : The installation of every ends of neutral line (blue), live line (brown /red) and
earth line (green/yellow) should be corresponding to the other end on wiring
terminals.

7
THE INSTALLATION OF ELECTRIC INSTANT WATER HEATER
1. Determine the installation position of the unit according to the length of power cord / the position of
switch (the distance from the floor to bottom part of the unit should be ≥1.6m).
2. Make sure the distance between the unit and the surrounding wall is not less than 300mm, so that
to have enough space for maintenance purpose.
3. Determine the position of three fixing screws (that is attached with the wrapping carton), make
three holes with corresponding depth to the wall (by means of a drill) and insert a plastic wall
anchor (fischer) into the hole.
4. Tighten one of the screws on the top, and make sure that there is the certain distance between the
head of the screw and the wall (see below picture).
5. Install the unit on the wall and tighten two screws at the bottom, connect the wires and re-install
the top cover with the screws.
PLUMBING CONNECTION
1. The water valve with filter should be installed at the water inlet of the unit, and the sealing ring
equipped with filter should be installed at the end face. (See below Figure).
2. Shower flexible tube should be connected with the hot water outlet and the shower head
separately; attached sealing ring should be installed at the end face.
(Pic. 1)

8
POWER SUPPLY CONNECTION
1. Adjust power selection knob to “OFF”.
2. Choose circuit breaker (such as Miniature Circuit Breaker/MCB) with leakage protection according
to power of the water heater.
3. When connecting the water heater to electric network, please pay attention to connect the live line
(red/brown), the neutral line (blue) and the earth line (yellow/green) with corresponding to the line
in electric network.
WATER SUPPLY
After all the process of the plumbing connection is finished, open the water inlet valve of the product
and supply the unit with the water to drain away the air inside until there is the stable water flow
comes out from the shower head. Check whether there is leakage at the joints (connection) or not. If
there is, check whether the connecting parts are fastened or not, then re-supply water.
DISPLAY SCREEN FUNCTION (EI 2D B only)
Part 4: How to Use
Warning! Metallic / chromed hose and conductive control valve shall not be used.

9
Display icon
Function
Functional description
Safety Sign
If the “Safety Sign” is displayed normally, it means the machine is
trouble-free. If the “Safety Sign” twinkling flicker, it means the
water heater cannot be connected to the Ground firmly.
Cold Water
Mode
If this function icon appears, water heater is not heated. Thus, the
water will come out cold.
Morning Mode
If this function icon appears, the water heater is in the “Morning
Mode”, the default set temperature is 36°C.
Night Mode
If this function icon appears, the water heater is in the “Night
Mode”, the default set temperature is 40°C.
Temperature
Value
Displaying the current hot water temperature.
Power Icon
The “Power” icon displays the power output status. The sign
“Max” refers to full power.
BUTTON FUNCTION (EI 2D B only)
Display icon
Function
Functional description
Leakage
Circuit
Detection
If the “Test” button is pressed, this water heater will perform the
leakage circuit detection. Re-press (press back) the button, so the
water heater will perform recovery.
Mode Selection
If the “Mode” button is pressed, this water heater will switch in
“Cold”, “Morning”, or “Night” modes.
PARAMETER SETTING MODE (EI 2D B only)
To activate this mode, do press the "Mode" button for 3 second, system will enter parameter setting
and screen will flicker. Turn the knob to set the temperature to the desired value. Re-press the "Mode"
button and the parameters are set successfully.
APPLIANCE OPERATION
Switch on the power supply, the screen will be on for EI 2D B or “Earth” and “ELCB” blue indicator
lights will turn on for EI 2 W. When the water flow exceeds 1.5L/min, rotate the knob clockwise to
switch on the power switch, the heating indicator light will be on, and the unit will start to work.
LEAKAGE TEST
[EI 2D B] When the water heater is working normally, press the “Test” button. If the leakage test
circuit shows no issue, the screen will off, and this water heater will not working to heat. Press “Reset”
bottom for finishing the test, the display will be on, and the appliance (the water heater) will be back to
working state as before. If the circuit leaks, pressing “Reset” button would not cancel the leakage
testing. If the screen does not turning on, it means the water heater has problems and cannot be
used; all the buttons are invalid and the heating stopped. If the “Safety Sign” twinkling flicker, it means
the heater cannot be connected to the Ground firmly. Please check the Grounding before use.
[EI 2 W] When the water heater is working normally, press the “Test” button. If there is no founded
problem during leakage test circuit, the “ELCB” green indicator light will flicker, and the unit will not
working. Press “Reset” button for finishing the test, the “ELCB” green indicator light will turn on, and
the appliance will be back to working state set before. If the circuit leaks, pressing “Reset” button can’t
cancel leakage testing. If the “ELCB” green indicator light keeps flickering, it means the water heater
has problems and cannot be used; all the buttons are invalid and heating stopped. If the “Earth” blue
indicator light turns off, it means the heater cannot be connected to the Ground firmly. Please check
the Grounding before use.

10
ELECTRICITY LEAKAGE PROTECTION
When the electricity leakage testing circuit is working normally and if the current leakage is bigger than
certain value between 7.5mA and 15mA, the display on EI 2D B will turn off or “Earth” indicator, “ELCB”
and “Power” indicator on EI 2 W will flicker, as well as no heating. The water heater can only be used
after the failure is excluded.
WATER FLOW ADJUSTMENT
Rotate the handle of the water flow (valve) to adjust the water flow.
WATER TEMPERATURE ADJUSTMENT
Rotate the handle of water flow (valve) to adjust the water flow based on necessity. Adjust power by
rotating knob, clockwise rotate, power will be increased and water temperature increase accordingly or
vice versa.
OVERHEATING PROTECTION
If the water flow is weak and the power is highly used during the usage of the appliance, the outlet
water temperature is rather high; the appliance 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.
This electric instant water heater should be installed at the place without sunshine or rain spray.
Please cut off power supply (electricity flow) if the water heater is not use for a long time.
In order to avoid the blockage of water heater, please rinse the pipe with water for about 10
seconds to drain away the impurities in the pipe before connecting the water source to the water
heater.
If the unit has not been used for a long period of time, check the water heater first before use.
Connect the water heater with power supply after the water flows out stably.
To avoid moisture, do not spray water to the circuit breaker or the heater body directly.
Please cut off the power supply in the weather of thunder and rain to avoid damaging the water
heater.
If the water heater is not use for a long period of time, please cut off water inlet to prolong the
lifespan of the water heater.
Check the power cord that is connected to terminals frequently to make sure that they are in well
condition, firmly connected, no overheating case, and in a well state of grounding.
Disassembly the shower head and sealing ring to clean periodically.
DECLARATION: This water heater can only be maintained by authorized service technician of
MODENA. The incorrect installation and using method may cause serious injury or loss of property.
Problem
Possible Cause
Recommended Action
When switching on the power,
screen displays “E5” and
flashing (EI 2D B) or ELCB
indicator light is off (EI 2 W).
1.Power supply error
2.PCB error
3.Electricity leaks.
1.Check whether the power
supply is cut.
2.Contact MODENA Call
Center for repair.
The heating indicator light is
1.“Power” knob is off
1.Rotate “Power” knob
Part 6: Troubleshooting
Part 5: Maintenance
Warning! Do cut off power supply before maintenance, to avoid danger like electric shock.

11
off and the outlet water is
cold.
2.PCB error
3.Water flow less than 1.5L/min
4.Impurities clogging the rotor of
water flow switch (water valve)
2.Repair or replace the PCB
3.Increase the water flow
4.Change the flow sensor
5.Open the flow switch and
clean the rotor
The outlet water is cold.
1. Thermal Cut-out is
disconnected (Screen display
“E3” - EI 2D B)
2.Heating elements is damaged.
1.Press the “Reset” handle of
the Thermal Cut-out after
checking
2.Change the heating elements
No water flows out from the
shower head.
1.Water supply is cut off
2.Water inlet valve is not open.
1.Wait until the water supply is
restored
2.Open the water inlet valve
The temperature of outlet
water is inconsistent
1.The water pressure is unstable
2.The temperature of outlet
water is too high - overheating
protection is working
excessively.
Lowering the heating power,
and make the water flow
bigger.
Safety sign is flickering
(EI 2D B)
1.Ground damage
2.PCB error.
1.Check the grounding
2.Contact MODENA Call center
for repair
“ELCB” indicator light is
twinkling flicker (EI 2 W)
Electricity leaks
Contact MODENA Call center
for repair
Screen display E1 (EI 2D B)
“Power” indicator light is
twinkling flicker (EI 2 W)
Temperature sensor is broken
Change the temperature
sensor
Model
EI 2D B
EI 2 W
Rated Voltage / Frequency
220V / 50/60Hz
Rated Power
2400W
Rated Current
0～11A
Minimum Flow Rate
1.5 Liters/minute
Water Output Temperature
30 ~ 55°C
Working Pressure
0.03 ~ 0.3 MPa
Protection Class
I
IP Rating
IP25
Products Size
406 × 232 × 103 mm
Color
Brown
White
Temperature Display
Yes
No
Specifications of this appliance may change without notice to improve the quality of the product. Figures 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 7: Specification

12
EI 2D B
EI 2 W
Part 8: Wiring Diagram

11/20