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Access point – the modem is in 'Access point' mode and can take
џ
the name and password of a local WiFi network to connect to it.
AP Associated – The modem has connected to the router.
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Internet Access – There is an Internet connection.
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Connected – The modem has connected to the server of the
џ
information system. This should be the normal operation condition.
Snd/Rcv – Data packets sent / received through the Internet
џ
On screen (2) when pressing ▼button you will see a screen showing
information on the versions of the thermoregulator and WiFi module (3), if
any.
When you subsequently press ▼button you go to the ‚System Information'
screen (4), which shows information on the operation of heating elements
(turned on or off) if the first (FT) and second (ST) water tank, which are inlet
and outlet, respectively. The water temperatures measured in both water
tanks are displayed here.
When you subsequently press‚ i' button you will see screens showing
diagrams of electricity consumed by hours (5). The controller stores such
information for the last 8 days. Pressing the ▲ or ▼ buttons will change
diagrams with the days for which data is available. Each diagram shows the
data it is referred to, the energy consumed by the water heater in the first
(red column) and second (green column) water tank, as well as the total
energy consumption on the relevant day. It must be taken into account that
the information on energy consumption is calculated based on the preset
power of the heating element.
The diagrams of energy consumption are followed by diagrams of water
average temperature every half an hour of the day (6). The controller stores
such information for the last 8 days. Pressing the ▲ or ▼ buttons will
change diagrams with the days for which data is available. Each diagram
shows the data it is referred to.
WARNING! This appliance can be used by children aged from 8 years
and above and persons with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge if they have been given
supervision or instruction concerning use of the appliance in a safe way
and understand the hazards involved. Children shall not play with the
appliance. Cleaning and user maintenance shall not be made by
children.
The combination valve is equipped with a special integrated vent, which
during normal operation of the water heater, prevents the expanded water
from dripping out the side port of the valve and allows it to enter the cold
water pipe. The water amount is minimal and it is not hot. During normal
operation of the water heater and if an additional non-return valve, water
may drip from the side port of the valve. This is not be considered as a defect
and the side port of the combination valve should not plugged in any way,
because it will cause destruction of the water tank. The integrated vent
prevents the water contained in the water tank from flowing back to the cold
water pipe in the event of water supply interruption.
When the appliance is used in hard water areas, it may produce noise during
heating. It is due to the lime deposits upon the surface of heating elements
and water tank. The quantity of lime deposits depends on the type of water
and its heating temperature. When the latter is higher than 60 °С, lime
deposits will increase. The built-up lime will impair the performance of the
wiring element, may cause damage and increases the water heating time.
During operation, you may hear minimum noise due to the water flowing
through water pipes or appliance, as well as to natural processes of thermal
expansion and heat exchange.
If the water heater is regularly used to heat water to a lower temperature, it is
recommended to heat and maintain water up to the maximum temperature
for at least one day. This prevents from growth of bacteria.
ADDITIONAL CORROSION PROTECTION
Water heater with enameled water tanks. Every water heater with
enameled water tank has additional integral corrosion protection. It consists
of anode/s made of a special alloy and only operating when the water tank is
filled with water. The anode is a consumable (normally wearing during
operation) and its operation life is up to 5 years. This period is highly
dependent on the usage pattern and on the parameters of water heated.
Following the expiry of this period, a technician employed by a repairer
authorized by the manufacturer or retailer will have to inspect the anode/s. If
necessary, the anode must be replaced with a new one. Meeting the
deadline and timely replacement of the anode/s is an important condition to
prolong the effective anticorrosion protection to the internal tank. Anode
assessment and replacement is not covered by the manufacturer or
retailer's warranty.
Water heater with high alloy chrome-nickel steel. Anticorrosion
protection and long service life are guaranteed by the properly selected
steel, suitable design and workmanship.
SERVICE, PREVENTION, MAINTENANCE
For the proper operation of the water heater in hard water areas, it is
recommended that the water tank is de-scaled periodically. It must be
performed at least every 2 years and more frequently in hard water areas.
Lime scale deposited on the enamel coating should not be removed but only
cleaned with dry cotton cloth without using hard objects. The regular de-
scaling and cleaning is of particular importance for the appliance reliability.
During these operations, it is desirable to inspect the anode of the enameled
water tank. This service is not provided under warranty maintenance and
should be performed by an appropriately qualified person.
WARNING! To ensure safe and flawless operation of the water heater,
the combination valve must be inspected periodically to make sure that
its flow-rate is not decreased. You should perform this by raising the lever
and waiting for 30-60 seconds until a copious flush of water flows from
the side port of the valve. This must be carried out after the unit is
connected to the water supply system and the water tank is filled with
water, during operation but not less than every 2 weeks, as well as after
any water supply interruptions. If the water tank is filled and no water
runs out of the valve port or the flow is too weak, this is a failure and the
valve is probably clogged with dirt. It is strictly prohibited to use the
appliance with a faulty combination valve. Immediately disconnect the
appliance from the electrical supply and contact the nearest repairer
authorized by the manufacturer. Otherwise, this will damage the water
tank and possibly cause other damages to objects or the room where the
water heater is installed.
When you are not certain about the temperature in the room where the water
heater is installed, i.e. that it may fall below 0°C, the water from the water
tank MUST be drained - please refer to section 'CONNECTION TO THE
WATER SUPPLY NETWORK'
In order to clean the housing and plastic parts of the water heater only use a
damp cotton cloth, do not clean with aggressive and/or abrasive substances
or detergents. Prior to cleaning the appliance it MUST be disconnected from
the electrical supply by means of the additional uncoupling device or by
pulling the plug out of the socket. IT IS PROHIBITED to clean the appliance
with a steam generator. Please, take special precautions to prevent
moisture formation on the control panel. The water heater may be switched
into an operation mode again only after complete removal of moisture.
The rules concerning the anode inspection and replacement (see the
preceding section), and de-scaling must be observed during and after
guarantee expiry.
When using and maintaining the appliance safeguard the plate with
appliance's specifications and serial number. In the event you unstick it,
keep it together with the warranty card, because it is possible to identify the
water heater only by them.
FAILURES
If the appliance does not heat water, check if the wall switch is not turned off,
if the appliance is not switched off or if the temperature is not set to minimum.
If the electrical supply is in order, the appliance is switched on and the
temperature is set to maximum but water is not heated, switch the appliance
off from the wall switch and call the nearest authorized repairer.
If no water runs out of a fully opened hot water tap or the flow is weak, check
if the filter at the mixing cock is not clogged, whether the stopcock is not
partially or completely closed before the water heater (4 in Figure 3), of
whether the central water supply is not interrupted. If all of the above is in
order, disconnect the water heater from the power supply from the wall
switch and call the nearest authorized repairer.
All error messages displayed on the screen and their remedies are
described at the beginning of this booklet. In general, you need to
disconnect the water heater from the power supply from the wall switch and
call the nearest authorized repairer.
In the event of damage to the power cord and/or plug, please refer to the
nearest repairer authorized by the manufacturer/retailer, because the cord
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