Gorenje EFWH SERIES User manual

INSTANTANEOUS ELECTRIC WATER HEATER
–
USER MANUAL AND INSTALLATION
INSTRUCTIONS
ELEKTRIČNI PRETOČNI GRELNIKI VODE
–
NAVODILA ZA UPORABO IN VGRADNJO
SLO
GB
PRIETOKOVÝ ELEKTRICKÝ OHRIEVAČVODY – NÁVOD NA POUŽITIE A INŠTALÁCIU
SK
INSTANT APĂCALDĂELECTRIC
–
MANUAL DE UTILIZARE
ȘI INSTRUCȚIUNI DE INSTALARE
RO
ELEKTRIČNI PROTOČNI BOJLER
–
UPUTSTVO ZA UPOTREBU I POSTAVLJANJE
SRB
ELEKTRIČNI PROTOČNI BOJLER
–
UPUTSTVO ZA UPOTREBU I POSTAVLJANJE
BIH
ELEKTRIČNI PROTOČNI BOJLER
–
UPUTSTVO ZA UPOTREBU I POSTAVLJANJE
MNE
ELEKTRIČNE PROTOČNE GRIJALICE VODE
–
UPUTE ZA UPORABU I
UGRADNJU
CRO

1
English
EFWH xxxxx
Before using your electrical water heater, please read
this manual carefully and keep it for future reference.
INSTANTANEOUS (non
preassurized) ELECTRIC WATER
HEATER
USER MANUAL
INSTALLATION INSTRUCTIONS
Read This Manual
Inside you will find many helpful hints on how to use and maintain your instantaneous
water heater properly. Just a little preventative care on your part can save you a
great deal of time and money over the life of your instantaneous electrical water
heater. You'll find many answers to common problems in the chart of troubleshooting
tips. If you review the chart of Troubleshooting Tips first, you may not need to call for
service.

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CONTENTS
Sociable remark ....................................................................................................................................... 3
Safety precautions ................................................................................................................................... 4
Application and features ......................................................................................................................... 7
FUNCTION.......................................................................................................................................... 7
FEATURES.......................................................................................................................................... 7
Technical information ............................................................................................................................. 7
Installation method ................................................................................................................................. 8
FIX WATER HEATER.......................................................................................................................... 8
PIPE CONNECTION ........................................................................................................................... 9
Operation method ................................................................................................................................. 1
Troubleshooting .................................................................................................................................... 12
Maintenance and repair ........................................................................................................................ 12
Packing list ............................................................................................................................................. 12
Electric diagram ..................................................................................................................................... 13
CAUTION
•Contact an authorized service technician for repair or maintenance of this unit.
•Contact the authorized installer for installation of this unit.
•The instantaneous electric water heater is not intended for use by young
children or invalids without supervision.
•Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.

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Sociable remark
When using this instantaneous electric water heater, the following
information’s must be followed:
DISPOSAL:
Do not dispose this product as unsorted municipal waste. Collection of such waste
separately for special treatment is necessary.
It is prohibited to dispose of this appliance in domestic household waste.
For disposal, there are several possibilities:
•The municipality has established collection systems, where electronic waste
can be disposed of at least free of charge to the user.
•As old products contain valuable resources, they can be sold to scrap metal
dealers.
Wild disposal of waste in forests and landscapes endangers your health when
hazardous substances leak into the ground-water and find their way into the food
chain.

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Safety precautions
Please contact an authorized installer for installing instantaneous water
heater.
Failure to install the appliance in accordance with all current regulations can
result in fierce hazard on user’s life.
Failure to install the appliance in accordance with all current regulations can
result in the guarantee becoming void.
Failure to comply with this warning implies the risk of personal injury, in some
circumstances even fatal.
Failure to comply with this warning implies the risk of damage, in some
circumstances even serious, to property, plants or animals.
Do not perform operations which involve opening the appliance.
Electrocution from the live components.
Personal injury caused by burns due to overheated components, or wound
caused by sharp edges.
Do not perform operations which involve removing the appliance from its
installation space.
Electrocution from the live components.
Flooding caused by water leaking from disconnected piping.
Do not leave anything on top of the appliance.
Personal injury caused by an object falling off the appliance as a result of
vibrations. Damage to the appliance or items underneath it caused by the object
falling off as a result of vibrations.
Do not climb onto the appliance.
Personal injury caused by the appliance falling.
Damage to the appliance or any objects underneath it caused by the appliance
falling away from its installation space.
Do not climb onto chairs, stools, ladders or unstable supports to clean the
appliance.
Personal injury caused by falling from a height or cuts (stepladders shutting
accidentally).
Do not attempt to clean the appliance without first closing fuse and turning the
switch to the OFF position.
Electrocution from live components.

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Do not use insecticides, solvents or aggressive detergents to clean the
appliance.
Damage to plastic and painted parts.
Do not allow children or inexperienced individuals to operate the appliance.
Damage to the appliance caused by improper use.
If you detect a smell of burning or smoke coming from the appliance,
disconnect it from the electricity supply, open all windows and call for
assistance.
Personal injury caused by burns, smoke inhalation, intoxication.
Do not touch the housing of the instantaneous electric water heater during
operation. During operation only setting knobs can be touched.
Risk of scalding.
This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should
be supervised to ensure that they do not play with the appliance.
Warning!!
Turn off the power and water valve after use.
Warning!!
Water with a temperature higher than 50°C can cause serious burns.
Always verify water temperature before use.
Warning!!
The device must be activated only in presence of water in the heater.
Warning!!
In case of contaminated water on the inlet of the device, the water on the outlet
is not suitable for drinking.
Warning!!
Choose the electrical socket which meets the national standard and without
switch. The internal grounding should be safely connected to non-electricity
grounding wire of the power supply system.
Warning!!
In case of using appliance in freezing ambient or long time no use, make sure
to pour water out of water tank (after each use).

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Warning!!
The rated current value of the power socket should be applied with the
purchased water heater or without plug.
Warning!!
There should be a good floor drain system. The water heater should be
installed in the safe area, in case that water leakage of the water heater or the
connector happens.
Warning!!
In case of abnormal work, you should stop using the heater at once. Unplug the
power plug or disconnect power supply, and contact the professional
personnel.
Warning!!
The valve must be installed in the water inlet.
Warning!!
If the power supply cord is damaged, it must be replaced by the professional
personnel to avoid a hazard.
Warning!!
If the water heater is used with a spray head, the spray head must be descaled
regularly. The outlet must not be connected to any tap or fitting other than
those specified. New hose-set must be used to connect appliance with water
supply.
Warning!!
Do not switch appliance ON if there is a possibility that the water in the heater
is frozen

7
Application and features
FUNCTION
Gorenje electric tankless heaters are the right and economical solutions wherever
there is no requirement for a large amount of water heated to a very high
temperature. Owing to the tankless on-demand heating system, the water is heated
only when you need it and only as much as you need.
FEATURES
GOOD MATERIAL
Plastics shell is made of Adopt ABS plastic. High quality stainless steel pressure
type heating element provides long life service.
ENERGY SAVING
Heating water only when needed.
SAFE AND RELIABLE
Shock protection, over-heat protection and over-pressure protection High-grade
waterproof structure ensure the safety use in all environment conditions.
CONVENIENT OPERATION
The outlet temperature could be adjusted at any degree by the multi-functional
valve.
Technical information
MODEL
EFWH3000
EFWH3000L
EFWH5000
Length A (mm)
387 387 387
Height B (mm)
257 257 257
Depth C (mm)
84 84 84
Power supply
230V-50Hz-1p 230V-50Hz-1p 230V-50Hz-1p
Rated pressure (MPa)
0 0 0
Rated power (W)
3000 3000 5000
DIMENSION DIAGRAM

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ATTENTION
- The fuse and power socket for 3000W model should be the standard one,
with specification 16A/250V~. Wire connection must be in accordance to
national standard.
- For 5000W model, heater must be connected directly to electrical network
with 25A/250V~ fuse and 32A, 30mA RCD.
- The socket, for 3000W model and the RCD for 5000W model, should be
installed in place where humidity is less than 80%, and beside the water
heater. It is not allowed to be installed below the water heater.
- The water heater should use the independent power supply which have
the reliable earthling connections.
- Water pipes and the sewer pipes could not be used for grounding.
- There may occur some water-drops from pressure valve which are caused
by high water pressure. This is normal phenomenon. Do not stuck the
pressure-release valve outlet.
- To avoid overheating, please fill heater with water before first use.
- If power plug is damaged, please contact with the professional
maintenance service.
Installation method
FIX WATER HEATER
1. The installation must be done by professional personnel.
2. This is wall-hang electrical water heater, it must be located in a place
where it is:
- drainable and unfrozen,
- concentrated water use,
- enough space for maintenance and repair,
- the volume of water in the installation pipes should not be less than 4 times of
volume of water heater.
- no flammable gas or strongly corrosive gas are nearby,
- no strong electric magnetic field is nearby,
- no direct sunlight, rain or wind.
3. Drill 4 holes (please refer to drilling holes picture), then use a hammer to
place the bolt cap into the holes. Then fix the wall-hang board with
screw. See the pic.4.
4. Lift the water heater; move it slowly forward until the hook is in position
and lock the heater with a screw. Make sure the heater is fixed.
Note:
(1) The two plug bolt hooks should be completely in the wall and at the
same height (horizontal).
(2) For the convenience of the repair and maintenance, leave a space of
50cm at least at the left side of the water heater (the side with power supply
cable).
(3) Water heater must not be installed transversely and should not incline
after installation.