Gorenje GWHNNBW G20 User manual

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GAS WATER HEATER
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USER MANUAL AND INSTALLATION INSTRUCTIONS
ГАЗОВИЙ ВОДОНАГРІВАЧ
–
ІНСТРУКЦІЯ ЗМОНТАЖУ
ТА ЕКСПЛУАТАЦІЇ
ГАЗОВЫЙ ВОДОНАГРЕВАТЕЛЬ
–
РУКОВОДСТВО ПО УСТАНОВКЕ
ИЭКСПЛУАТАЦИИ
RUS
UA
GB

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English
GWH --NNBW G20 2013
Before using your gas water heater, please read
this manual carefully and keep it for future reference.
FLUE-TYPE
GAS WATER HEATER
USER MANUAL
INSTALLATION INSTRUCTIONS
Read This Manual
Inside you will find many helpful hints on how to use and maintain your gas 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 gas 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
USER MANUAL
Sociable remark .......................................................................................................3
Safety precautions....................................................................................................4
Features ..................................................................................................................6
Temperature / power adjustment .............................................................................7
INSTALLATION INSTRUCTIONS
Safety precautions....................................................................................................8
Description of the appliance...................................................................................11
Installation requirements ........................................................................................12
Installation method ................................................................................................13
Commissioning ......................................................................................................15
Repair and maintenance .......................................................................................16
TROBLESHOOTING
Troubleshooting .....................................................................................................18
SPECIFICATION
Specification...........................................................................................................19
CAUTION
•Contact an authorized service technician for repair or maintenance of this unit.
•Contact the authorized installer for installation of this unit.
•The gas water heater is not intended for use by young children or invalids
without supervision.
•Installation work must be performed in accordance with the national gas and
wiring standards by authorized personnel only.

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USER MANUAL
Sociable remark
When using this gas 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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USER MANUAL
Safety precautions
Please contact local gas company, gas management department or an
authorized installer for installing gas 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.
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.
Flooding caused by water leaking from disconnected piping.
Explosions, fires or intoxication caused by gas 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 gas valve and
turning the switch to the OFF position.
Electrocution from live components. Explosions, fires or intoxication caused by
gas leaking from disconnected piping.

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USER MANUAL
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, turn off the main gas valve, open all
windows and call for assistance.
Personal injury caused by burns, smoke inhalation, intoxication.
If there is a strong smell of gas, turn off the main gas valve, open all windows
and call for assistance.
Explosions, fires or intoxication.
Do not touch the housing of the gas 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, gas valve 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 exchanger.
Warning!!
In case of contaminated water on the inlet of the device, the water on the outlet
is not suitable for drinking.

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USER MANUAL
Features
1. AUTOMATIC OPERATION
•When you turn on the hot water tap or a shower, hot water will be produced
instantly.
•Independent control of water flow and gas flow makes it easy to regulate
water temperature.
2. INNOVATIVE DESIGN
•Ultra-thin design, beautiful shape and convenient to install.
•Advanced energy saving combustion technology for high burning
efficiency.
•Low water pressure ignition, appropriate for users living in areas with low
water pressure.
•Flame stage control for more precise temperature regulating.
3. COMPLETE SAFETY
•Sensitive IC flame sensor will cut gas supply if flame goes out
unexpectedly.
•Low water pressure protection.
•In case of no-water burning, gas valve will automatically turn off.

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USER MANUAL
Temperature / power adjustment
1. Adjustment of water temperature (flow)
The temperature regulation knob can be used to adjust the volume of water
circulation. This operation can change temperature of hot water. If you want to
increase the temperature of hot water, please turn the regulator of water temperature
clockwise. If you want to reduce temperature of hot water, please turn the regulator of
water temperature counterclockwise.
Warning!!
Water with a temperature higher than 50°C can cause serious burns.
Always verify water temperature before use.
Please keep the valve at the cold water inlet completely open. Don't
reduce the water circulation by means of closing the valve.
2. Power (flame) adjustment
Gas regulation knob can be used to adjust the volume of gas circulation. This
operation can adjust volume of gas circulation and the temperature of hot water.

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INSTALLATION INSTRUCTIONS
Safety precautions
Please contact local gas company, gas management department or an
authorized installer for installing gas water heater.
Failure to install the appliance in accordance with all current regulations can
result in fierce hazard on user’s life.
Carbon monoxide detector must be installed in the same room as gas water
heater.
Use appliance only with type of gas, stated on the marking plate!
Install the appliance on a solid wall which is not subject to vibration.
Noisiness during operation.
When drilling holes in the wall for installation purposes, take care not to
damage any electrical wiring or existing piping.
Electrocution caused by contact with live wires. Explosions, fires or asphyxiation
caused by gas leaking from damaged piping. Damage to existing installations.
Flooding caused by water leaking from damaged piping.
Protect all connection pipes and wires in order to prevent them from being
damaged.
Electrocution caused by contact with live wires. Explosions, fires or asphyxiation
caused by gas leaking from damaged piping. Flooding caused by water leaking
from damaged piping.
Make sure the installation site and any systems to which the appliance must be
connected comply with the applicable norms in force.
Electrocution caused by contact with live wires which have been installed
incorrectly. Damage to the appliance caused by improper operating conditions.
Use suitable manual tools and equipment (make sure in particular that the tool
is not worn out and that its handle is fixed properly); use them correctly and
make sure they do not fall from a height. Replace them once you have finished
using them.
Personal injury from the falling splinters or fragments, inhalation of dust, shocks,
cuts, pricks and abrasions. Damage to the appliance or surrounding objects
caused by falling splinters, knocks and incisions.

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INSTALLATION INSTRUCTIONS
Make sure any portable ladders are positioned securely, that they are suitably
strong and that the steps are intact and not slippery and do not wobble when
someone climbs them. Ensure someone provides supervision at all times.
Personal injury caused by falling from a height or cuts (stepladders shutting
accidentally).
Make sure any rolling ladders are positioned securely, that they are suitably
strong, that the steps are intact and not slippery and that the ladders are fitted
with handrails on either side of the ladder and parapets on the landing.
Personal injury caused by falling from a height.
During all work carried out at a certain height (generally with a difference in
height of more than two meters), make sure that parapets are used to surround
the work area or that individual harnesses are used to prevent falls. The space
where any accidental fall may occur should be free from dangerous obstacles,
and any impact upon falling should be cushioned by semi rigid or deformable
surfaces.
Personal injury caused by falling from a height.
Make sure the workplace has suitable hygiene and sanitary conditions in terms
of lighting, ventilation and solidity of the structures.
Personal injury caused by knocks, stumbling etc.
Protect the appliance and all areas in the vicinity of the work place using
suitable material.
Damage to the appliance or surrounding objects caused by falling splinters,
knocks and incisions.
Handle the appliance with suitable protection and with care.
Damage to the appliance or surrounding objects from shocks, knocks, incisions
and squashing.
During all work procedures, wear individual protective clothing and equipment.
Personal injury caused by electrocution, falling splinters or fragments, inhalation
of dust, shocks, cuts, puncture wounds, abrasions, noise and vibration.
Place all debris and equipment in such a way as to make movement easy and
safe, avoiding the formation of any piles which could yield or collapse.
Damage to the appliance or surrounding objects from shocks, knocks, incisions
and squashing.
All operations inside the appliance must be performed with the necessary
caution in order to avoid abrupt contact with sharp parts.
Personal injury caused by cuts, puncture wounds and abrasions.