Manual Eldom WU08046 uni (page 9 of 64) (English, German, Dutch, French, Italian)

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ENVIRONMENTAL PROTECTION

This appliance is marked according the REGULATION concerning waste

electric and electronic equipment (WEEE). By ensuring this product is

disposed of correctly, you will help prevent potential negative consequences

for the environment and human health, which could otherwise be caused by

inappropriate waste handling of this product.

The symbol on the product, or on the accompanying documents

indicates that this appliance may not be treated as household waste.

Instead it should be handed over to the applicable collection point for the

recycling of electrical and electronic equipment. Disposal must be carried

out in accordance with local environmental regulations for waste disposal.

For more detailed information about treatment, recovery and recycling of

this product, please contact your local city office, your household waste

disposal service or the shop where you purchased the product.

TECHNICAL DESCRIPTION

The water heater is intended for domestic purposes in households, and can

provide hot water from the common water main system simultaneously for a

few consumers – kitchen, bathroom and etc.

The heated water should be correspond to the normative documents for

domestic water and, in particular: its chlorides composition should be less

than 250 mg/l and its electric conductivity should be more than 100 µS/cm,

while its pH within the limits of 6.5-8 for the water heaters with enameled

water tanks, and electric conductivity less than 200 µS/cm for the water

heaters with chrome-nickel steel water tanks. The water pressure in the

water supply system should be higher than 0.1 MPa and lower than 0.5

MPa. If the water pressure is higher than 0.5 MPa - please refer to the

instructions in the section for connection to the water supply network.

Special water heater models are in production (for regions where local

regulations require) with design to work in plumbing pressure up to 1 MPa.

The appliances water containers (water tanks) are properly protected

against corrosion by using high quality enameled coating, or are made of

high-range alloy chrome-nickel (corrosion resistant) steel. Water tanks with

enameled coating are equipped with built-in anodes made of special alloy

providing additional protection.

The outer casing of the appliances is made of epoxy-polymer coverage and

the heat insulation is made of CFC-free polyurethane foam.

Schematic views of the basic models with their modifications are shown in

Fig. 1-7, and technical specifications – in Tables 1, 1a, 2 and 2a. All figures

and tables are located at the beginning of this booklet.

The water heater models are marked with letters and digits as follow:

џThe first two letters and the following five digits indicate the device

base model.

џ„W“/„S“ – the devices are designed for premise wall mounting.

џ„V“ – the water heater can be installed only in a vertical position.

џ„H“ – the water heater can be installed only in a horizontal position.

џ„U“ – the water heater is with a universal mounting - can be installed in

a vertical or in a horizontal position.

џxxx – the first three digits after the letters „V“, „H“ or „U“, are code for

the water tank capacity range of the water heater.

џyy – the next two digits are code of the device diameter.

џ„А“ – in the enameled water tank is built-in an anode tester indicating

the level of corrosion protection and anode wear, Fig. 1а, pos. 6

џ„I“ – the water tank of the appliance is made of chrome-nickel steel

alloy.

џ„S“, „S2“, „S21“ and „Т“ – in the water heater are built-in one or two heat

exchangers for water heating from an alternative heat source (local

water heating, solar collector and any other similar sources), Fig. 4 for

„S“ and „S2“, Fig. 5 for „S21“ and Fig. 6 for „Т“. Water heaters with a

heat exchanger designed for horizontal installation, are shown in

Fig.7.

џ„L“ – the outlets of the heat exchanger and/or pipes for cold and hot

water of some vertical and horizontal water heaters are located on the

left side of the wall-mounted unit.

џ„R“ – the outlets of the heat exchanger and/or pipes for cold and hot

water of some vertical and horizontal water heaters are located on the

right side of the wall-mounted unit.

џ„B“ – the outlets of cold/hot water pipes of horizontal water heaters are

located below of the wall-mounted unit.

џ„D“, „C“ – within the water heaters are built-in up to two electric heaters

located in special tubes on the water tank flange. It improves the

appliance safety of the device while increasing corrosion resistance.

"D" - with tubular metal heating element, to 1,6 kW for units with a

capacity up to 50 l (volume groups 30 and 50), up to 2 kW for units with

a capacity of up to 100 l (vol. groups 80 and 100) and up to 2,2 kW for

all others. "C" - with ceramic heating element, 1,5 kW for units in

volume group 50, and up to 2,2 kW for the remaining.

џ„Е“, „Еxy“ – the water heater is equipped with electronic control unit for

the heater or for water heaters with heat exchangers - for the heater

and the devices for coolant flow control, Fig. 1b. These appliances are

accompanied by additional instructions describing how to use the

digital control unit.

џThe units with model numbers 722xxW(WN;WG;WNG;

WD;WND)/SVxxxyy have a reshaped design of the lower cover and

control, Fig. 1+1c/1+1d.

The hot and cold water pipes are marked with colored pointers, respectively

red and blue.

The water heater power (excluding those with letters "D" and "C") is 1,5 kW

for the units in volume group 30, up to 2 kW for the units in group 50 and 3 kW

for the rest.

The exact and complete model number, nominal operating parameters and

serial number of purchased water heater are marked on manufacturer plate

affixed on its body.

Water heaters for vertical installation. These models of heaters are

designed for mounting only in a vertical position with cold and hot water

pipes downward, Fig. 1 Fig. 4-6.

Water heaters for horizontal installation. These models of heaters are

designed for mounting only in a horizontal position in accordance with the

schema designed for each model number, Fig. 2 Fig. 3 Fig. 7

Water heaters for universal installation. These models water heaters are

designed for optional vertical (Fig. 1), or horizontal installation (Fig. 2).

WARNING! When the water heater with universal installation is mounted

in a horizontal position IT IS MANDATORY that the pipes for hot and cold

water, and its electric control be on its left side, see Fig. 2. Failure to do so

will make the unit dangerous and the manufacturer and / or the trader

shall not assume any responsibility for occurrence of any adverse effects

and damages!

Water heaters with heat exchanger. The water heaters of these models

secure an energy efficient operation thanks to their built-in heat exchangers.

The heat exchanger(s) outlets locations and their basic installation

distances are shown on Fig. 4, 5, 6, 7 and Tables 2 and 2a. By using a heat

exchanger bigger quantities of water inside the water container can be

heated through an additional alternative energy source, i.e. local or central

heating system, solar collectors and other similar sources. For more

efficient heat exchanger use it is recommended to move the heat-transfer

liquid with a circulation pump. For heat-transfer liquid can be used water with

composition and index values within the levels laid down in the regulations

related to water or a dedicated aqueous solution which is not aggressive to

heat exchanger material. The heat-transfer liquid must be with temperature

not higher than 85 °С and in its circuit must be installed a control device set

at this temperature in order not to allow thermal cut-out of the electrical

heating element during normal operation. The pressure of the heat-transfer

liquid in the heat exchangers must not exceed the stated working pressure

of the heater.

WATER HEATER INSTALLATION ON THE WALL

OF THE PREMISE

The water heater can be installed only in normal fire safeguarded premises

and where temperature cannot fall under 0 °C. The availability of a siphon

on the installation for waste waters as during normal usage of the water

heater, water may leak from the safety valve aperture. At the same time the

siphon will facilitate the water tank maintenance, prevention and servicing

operations when water needs to be drained out of the water tank.

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Eldom WU08046 uni Manual

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