Timberk WHE 3.5 XTRH1 User Manual [ru]

0 (0)

Heating Mode

 

 

 

Instruction manual

 

 

 

Electric

 

 

 

instant

 

 

water heater

 

/ Models

 

WHE 3,5 XTR H1 WHE 4,5 XTR H1 WHE 5,5 XTR H1

WHE 12,0 XTL C1 WHE 18,0 XTL C1 WHE 21,0 XTL C1 WHE 24,0 XTL C1

WHE 5,0 XTN Z1 WHE 6,0 XTN Z1 WHE 6,5 XTN Z1 WHE 7,0 XTN Z1 WHE 8,0 XTN Z1

# . Outlook of devices, aslo colour scores can be revised without any special advance notices.

CONTENTS:

 

THE IMPORTANT PRECAUTIONS AND INSTRUCTIONS CONTAINED IN

1. Important information

2

THIS INSTRUCTION MANUAL DO NOT INCLUDE ALL POSSIBLE MODES

AND SITUATIONS, WHICH MAY OCCUR. IT IS NECESSARY TO

2. Precautions

2

UNDERSTAND THAT COMMON SENSE, CAUTIOUSNESS, AND

3.Operational characteristics

3

CAREFULNESS ARE FACTORS, WHICH CANNOT BE "INTEGRATED" TO

4.Water heater design

6

ANY PRODUCT. THESE FACTORS SHALL BE TAKEN INTO ACCOUNT BY

5. Package contents

8

THE PERSON, WHO IS INTERESTED IN PROPER OPERATION OF THE

6. Installation of water heater

8

DEVICE. THE MANUFACTURER IS NOT RESPONSIBLE FOR DAMAGE OF

THE APPLIANCE OR ITS COMPONENTS DURING TRANSPORTATION, AS

7.Water heater control

13

A RESULT OF IMPROPER INSTALLATION, DUE TO VOLTAGE SURGES, AS

8. Maintenance

16

WELL AS IN THE EVENT OF UNAUTHORIZED CHANGES OR

9.Troubleshooting

16

MODIFICATIONS IN ANY PART OF THE APPLIANCE.

10. Electrical schematic diagram

17

 

11. Disposal

17

2. PRECAUTIONS

Dear customer!

We thank you for happy choice and purchase of a Timberk electric inline water heater. It will serve you long. The inline water heater is designed for instantaneous preheating of main water. The water heater can be installed in places, where it is possible to connect it to the water pipeline and electric wiring (single-phase electric power supply is required), except for rooms with possible temperature drops below 3°C.

The water heater is easy to install and efficient in use thanks to minimum loss of electric power and effective consumption of hot water. The appliance design consisting of a heat-resistant robust heating vessel, durable copper heating elements, and safety control devices allows us to confirm with certainty that the TIMBERK water heater convenient in operation will serve you for many years.

1. IMPORTANT INFORMATION

Please carefully read this instruction manual before using the water heater.

This instruction manual contains important information concerning your safety, as well as recommendations on proper use and care of the appliance. Please keep the instruction manual together with the warranty card, sales slip, and, if possible, with the cardboard box and packing materials. This instruction manual describes different types of this device.

The water heater purchased by you may slightly differ from that described in the instruction manual, but this does not affect the methods of its use and operation.

During operation of the water heater, it is necessary to observe some precautions. Improper operation due to ignorance of the precautions may result in personal injury of the user or other people, as well as damage of their property.

1.Any electric appliance shall be under observation during its operation, especially if there are children close by. Carefully watch that children do not touch the appliance.

2.Before installation and connection of the water heater to the electric mains, check and make sure that there is a grounding loop in your electric mains. If there is no grounding loop in your electric mains, operation of the water heater is hazardous for life.

3.Connect your water heater to the power supply which has the same parameres as indicated on Rating Label. If it's necessary, ask technical characteristics of power supply from your electricity' suppliers.

4.Never use the water heater, if it is faulty.

5.Do not remove the front panel of the water heater during its operation.

6.Immediately disconnect the water heater from the electric mains in case of strange sounds, odor, or smoke from it.

7.Always disconnect the water heater from the electric mains during storms.

8.Before beginning of cleaning and maintenance of the water heater, always disconnect it from the electric mains. Perform cleaning and maintenance in accordance with the guidelines of this instruction manual.

9.Do not use hazardous chemicals for cleaning of the water heater and exclude their contact with it.

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THE IMPORTANT PRECAUTIONS AND INSTRUCTIONS CONTAINED IN THIS INSTRUCTION MANUAL DO NOT INCLUDE ALL POSSIBLE MODES AND SITUATIONS, WHICH MAY OCCUR. IT IS NECESSARY TO UNDERSTAND THAT COMMON SENSE, CAUTIOUSNESS, AND CAREFULNESS ARE FACTORS, WHICH CANNOT BE "INTEGRATED" TO ANY PRODUCT. THESE FACTORS SHALL BE TAKEN INTO ACCOUNT BY THE PERSON, WHO IS INTERESTED IN PROPER OPERATION OF THE DEVICE. THE MANUFACTURER IS NOT RESPONSIBLE FOR DAMAGE OF THE APPLIANCE OR ITS COMPONENTS DURING TRANSPORTATION, AS A RESULT OF IMPROPER INSTALLATION, DUE TO VOLTAGE SURGES, AS WELL AS IN THE EVENT OF UNAUTHORIZED CHANGES OR MODIFICATIONS IN ANY PART OF THE APPLIANCE.

2. PRECAUTIONS

During operation of the water heater, it is necessary to observe some precautions. Improper operation due to ignorance of the precautions may result in personal injury of the user or other people, as well as damage of their property.

1.Any electric appliance shall be under observation during its operation, especially if there are children close by. Carefully watch that children do not touch the appliance.

2.Before installation and connection of the water heater to the electric mains, check and make sure that there is a grounding loop in your electric mains. If there is no grounding loop in your electric mains, operation of the water heater is hazardous for life.

3.Connect your water heater to the power supply which has the same parameres as indicated on Rating Label. If it's necessary, ask technical characteristics of power supply from your electricity' suppliers.

4.Never use the water heater, if it is faulty.

5.Do not remove the front panel of the water heater during its operation.

6.Immediately disconnect the water heater from the electric mains in case of strange sounds, odor, or smoke from it.

7.Always disconnect the water heater from the electric mains during storms.

8.Before beginning of cleaning and maintenance of the water heater, always disconnect it from the electric mains. Perform cleaning and maintenance in accordance with the guidelines of this instruction manual.

9.Do not use hazardous chemicals for cleaning of the water heater and exclude their contact with it.

ENGLISH

10.Do not use the water heater for purposes not specified in this instruction manual.

11.Do not use the water heater in explosive or corrosive environment. Do not store gasoline and other volatile highly inflammable liquids nearATTENTION!the appliance. This is very hazardous!

The water heater shall be certainly grounded.

12. It is prohibited to change the design of the water heater or modify it.

13. Any service works shall be performed by a specialized organization, by qualified specialists. Improper installation may result in refusal of warranty service.

. OPERATIONAL CHARACTERISTICS

WATERMASTER I Series. Water Heater Models: WHE 3.5 XTR H1, WHE 4.5 XTR H1, WHE 5.5 XTR H1

1.Instantaneous water heating without preprocessing and waiting.

2.Reliable nichrome spiral heating element with ceramic protection; the special shape prevents significant accumulation of scale.

3.Automatic temperature protection (electronic temperature sensor) protects water heater from overheating, and assures user protection against burns.

4.Hydraulic flow sensor automatically stops the heating mode when cold water supply is suddenly interrupted or water pressure in the system drops below the working level.

5.The water heater is designed for household application, for one water consumption point and can be installed in any convenient place.

6.Ultra-thin and space-saving design is ideal for installation and use both in a city apartment, and a country-side house. And quicker and safer heating combined with notable electric power saving, which means less costs, will be pleasing you during the whole lifetime of TIMBERK water heater.

WATERMASTER II Series. Water Heater Models: WHE 5.0 XTN Z1, WHE 6.0 XTN Z1, WHE 6.5 XTN Z1, WHE 7.0 XTN Z1, WHE 8.0 XTN Z1

1.Instantaneous water heating without preprocessing and waiting.

2.Reliable nichrome spiral heating element with ceramic protection; the special shape prevents significant accumulation of scale.

3.Temperature protection (temperature switch) protects water heater from overheating, and assures user protection against burns.

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. OPERATIONAL CHARACTERISTICS

WATERMASTER I Series. Water Heater Models: WHE 3.5 XTR H1, WHE 4.5 XTR H1, WHE 5.5 XTR H1

1.Instantaneous water heating without preprocessing and waiting.

2.Reliable nichrome spiral heating element with ceramic protection; the special shape prevents significant accumulation of scale.

3.Automatic temperature protection (electronic temperature sensor) protects water heater from overheating, and assures user protection against burns.

4.Hydraulic flow sensor automatically stops the heating mode when cold water supply is suddenly interrupted or water pressure in the system drops below the working level.

5.The water heater is designed for household application, for one water consumption point and can be installed in any convenient place.

6.Ultra-thin and space-saving design is ideal for installation and use both in a city apartment, and a country-side house. And quicker and safer heating combined with notable electric power saving, which means less costs, will be pleasing you during the whole lifetime of TIMBERK water heater.

WATERMASTER II Series. Water Heater Models: WHE 5.0 XTN Z1, WHE 6.0 XTN Z1, WHE 6.5 XTN Z1, WHE 7.0 XTN Z1, WHE 8.0 XTN Z1

1.Instantaneous water heating without preprocessing and waiting.

2.Reliable nichrome spiral heating element with ceramic protection; the special shape prevents significant accumulation of scale.

3.Temperature protection (temperature switch) protects water heater from overheating, and assures user protection against burns.

4.Hydraulic flow sensor automatically stops the heating mode when cold water supply is suddenly interrupted or water pressure in the system drops below the working level, or water inlet is blocked.

5.The water heater is designed for several water consumption points (in line) and can be installed in any convenient place.

6.Ultra-thin and space-saving design is ideal for installation and use both in a city apartment, and a country-side house. And quicker and safer heating combined with notable electric power saving, which means less costs, will be pleasing you during the whole lifetime of TIMBERK water heater.

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ENGLISH

Technical Characteristics

Technical characteristics of WATERMASTER I Series water heaters are given in Table 1.

Table 1

 

 

 

 

Characteristic

 

 

Model Names

 

Unit

WHE 3.5 XTR H1

WHE 4.5 XTR H1

WHE 5.5 XTR H1

Rated voltage (alternating)

V/Hz

220/50

220/50

220/50

Rated current

 

15,1

20,5

25,0

Rated power input

kW

3,5

4,5

5,5

Operating pressure

MPa

0,1-0,6

0,1-0,6

0,1-0,6

Capacity (at t=20 ° )

l/min

2,4

3,1

3,8

Electric protection class

-

I

I

I

Protection degree

 

IPX4

IPX4

IPX4

Power connection cable (copper)

mm

3x1,5

3x2,5

3x2,5

Automatic circuit breaker

 

16

25

25

Dimensions

mm (H W D)

210x120x85

210x120x85

210x120x85

Net weight

kg

0,8

0,8

0,8

 

 

 

 

 

Technical characteristics of WATERMASTER II Series water heaters are given in Table 2.

Table 2

 

 

 

 

 

 

Characteristic

 

 

Model Names

 

 

Unit

WHE 5.0 XTN Z1

WHE 6.0 XTN Z1

WHE 6.5 XTN Z1

WHE 7.0 XTN Z1

WHE 8.0 XTN Z1

Rated voltage (alternating)

V/Hz

220/50

220/50

220/50

220/50

220/50

Rated current

 

22,8

27,3

29,6

31,8

36,4

Rated power input

kW

5,0

6,0

6,5

7,0

8,0

Operating pressure

MPa

0,1 - 0,6

0,1 - 0,6

0,1 - 0,6

0,1 - 0,6

0,1 - 0,6

Capacity (at t=20 ° )

l/min

3,5

4,2

4,5

4,9

5,6

Electric protection class

-

I

I

I

I

I

Protection degree

 

IP24

IP24

IP24

IP24

IP24

Power connection cable (copper)

mm

3x2,5

3x4

3x4

3x4

3x6

Automatic circuit breaker

 

25

32

32

32

40

Dimensions

mm H W D

172x188x90

172x188x90

172x188x90

172x188x90

172x188x90

Net weight

kg

1,0

1,0

1,0

1,0

1,0

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Technical characteristics of WATERMASTER III Series water heaters are given in Table 3.

Table 3

 

 

 

 

 

Characteristic

 

 

Model Names

 

Unit

WHE 12.0 XTL C1

WHE 18.0 XTL C1

WHE 21.0 XTL C1

WHE 24.0 XTL C1

Rated voltage (alternating)

V/Hz

380 3~/50

380 3~/50

380 3~/50

380 3~/50

Rated current

 

3+18,2

3 27,3

3 32,0

3 36,5

Rated power input

kW

12,0

18,0

21,0

24,0

Operating pressure

MPa

0,1-0,6

0,1-0,6

0,1-0,6

0,1-0,6

Capacity (at t=20 ° )

l/min

8,4

11

11

11

Electric protection class

-

I

I

I

I

Protection degree

 

IP24

Ip24

Ip24

Ip24

Power connection cable (copper)

mm

4x2,5

4x4

4x6

4x6

Automatic circuit breaker

 

3x25

3x32

3x40

3x40

Dimensions

mm (H W D)

460x260x128

460x260x128

460x260x128

460x260x128

Net weight

kg

4,2

4,2

4,2

4,2

 

 

 

 

 

 

4. WATER HEATER DESIGN

The design of WATERMASTER I Series water heater is shown in Figure 1, 2.

1

1. Front panel

 

 

 

 

6

 

 

 

 

8

 

 

 

 

 

3.

Inlet nozzle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Indicating lamp

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Outlet nozzle

 

 

 

 

 

 

2

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Heating flask

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.

Spiral heating element

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

7.

Electronic temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sensor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

8.

Rear panel

 

 

 

 

 

 

9.

Power cord

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10. Power board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11. Hydraulic flow sensor

 

 

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

12. Wall mounting bracket

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 1

Fig. 2

 

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Timberk WHE 3.5 XTRH1 User Manual

The design of WATERMASTER II Series water heater is given in Figure 3, 4.

1

 

 

 

2

 

 

 

Fig. 3

 

 

 

3

 

 

 

 

 

4

 

 

5

6

7

8

9

10

Fig. 4

1.Front panel

2.Indicating lamp

3.Inlet nozzle

4.Outlet nozzle

5.Temperature switch

6.Spiral heating element

7.Heating flask

8.Junction block

9.Hydraulic flow sensor

10.Inlet opening for electric cable

11.Wall mounting bracket

9

12

10

11

7

The design of WATERMASTER III Series water heater is given in Figure 5, 6.

1

2

Fig. 5

13

11

8

14

6

5

Fig. 6

43

ENGLISH

1.Front panel

2.Control panel

3.Inlet nozzle

4.Outlet nozzle

5.Electronic flow sensor

6.Power board 1

7.Power board 2

8.Temperature switch and pressure sensor

9.Spiral heating element

10.Heating flask

11.Junction block

12.Electronic temperature sensor

13.Inlet opening for electric cable

14.Transformer

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5. PACKAGE CONTENTS

1.Water heater 1 pc.

2.Mounting fittings # 1 pc.

3.Operational Manual 1 pc.

4.Warranty card 1 pc.

5.Packing 1 pc.

6.INSTALLATION OF WATER HEATER

Location

1.Water heater can be installed in any place provided that the indoor temperature is not lower than 0° .

2.Water heater is installed at the flat wall surface in strict parallel to the floor with outlet nozzles in downward direction; it shall be installed at a place where water and splashes cannot get onto its housing.

3.When water heater location is being defined, free access to it shall be assured, not less than 0.3 m from the top, bottom and sides. It will provide for the maximum convenient servicing and regulation of water heater if required.

4.Water heater shall be installed in such a way that a distance from the bottom part of the device to the floor does not exceed 1.6 m.

Mounting of Water Heater

WATERMASTER I Series. Water Heater Models: WHE 3.5 XTR H1, WHE 4.5 XTR 1, WHE 5.5 XTR H1

As shown in Figure 7, identify the points for openings and drill 2 openings of the corresponding depth in the wall, insert dowels, screw up the screws, and make sure that there is a certain distance between the screw head and the wall, then hang the water heater on the screws (see Fig.8) and check the reliability of fixing.

Fig. 7

Fig. 8

NOTE:

Water heater installation at the place of its operation and electric power connections shall be performed by the specialized organization, a representative of the manufacturer's maintenance service or experts licensed for execution of electric equipment assembling with safety regulations observed.

In the event of violation of water heater operation manual, water heater is not subject to warranty servicing, and the manufacturer cannot be held liable.

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WATERMASTER // Series. Water Heater Models: WHE 5.0 XTN Z1, WHE 6.0 XTN Z1, WHE 6.5 XTN Z1, WHE 7.0 XTN Z1, WHE 8.0 XTN Z1

As shown in Figure 9, identify the points for openings and drill 2 openings of the corresponding depth in the wall, insert dowels, screw up the screws, and make sure that there is a certain distance between the screw head and the wall, then hang the water heater on the screws (see Fig.10) and check the reliability of fixing.

106

mm

Fig. 9

Fig. 10

NOTE:

Water heater installation at the place of its operation and electric power connections shall be performed by the specialized organization, a representative of the manufacturer's maintenance service or experts licensed for execution of electric equipment assembling with safety regulations observed.

In the event of violation of water heater operation manual, water heater is not subject to warranty servicing, and the manufacturer cannot be held liable.

ENGLISH

WATERMASTER Ill Series. Water Heater Models: WHE 12.0 XTL 1, WHE 18.0 XTL 1, WHE 21.0 XTL 1, WHE 24.0 XTL C1.

As shown in Figure 11, identify the points for openings and drill 4 openings of the corresponding depth in the wall, insert dowels, attach water heater to them having inserted the electric cable (see the figure), screw up the screws, check the reliability of fixing. @ A B C .

214 mm

384 mm

Fig. 11

Fig. 12

Fig. 13

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NOTE:

Water heater installation at the place of its operation and electric power connections shall be performed by the specialized organization, a representative of the manufacturer's maintenance service or experts licensed for execution of electric equipment assembling with safety regulations observed.

In the event of violation of water heater operation manual, water heater is not subject to warranty servicing, and the manufacturer cannot be held liable.

Connection to Water Main

NOTE:

You must move out caps from inlet and outlet pipes before usage.

WATERMASTER I Series. Water Heater Models: WHE 3.5 XTR H1, WHE 4.5 XTR H1, WHE 5.5 XTR H1

1.Water heater shall be directly connected to cold water supply line with working pressure from 0.15 to 0.6 MPa. If water pressure in water supply line exceeds 0.6 MPa, a pressure reducing valve shall be included to the feeding system to assure that working pressure does not exceed 0.6 MPa.

2.Water heater has inlet and outlet nozzles for connection to water main, the nozzles are marked with indication labels; the diameter of external thread is 10 mm (G3/8"). For connection to 12 mm (G1/2 ) pipes special adapters* shall be used. (* - not included into the scope of supply).

3.To avoid water leakages use rubber sealing gaskets when connecting all nozzles.

4.A tap cutting off cold water supply shall be installed upstream its inlet to water heater. It is prohibited to install the cut-off tap at hot water outlet from water heater (Fig.14).

5.After water heater installation and before power supplying, the system shall be flushed with water to remove any impurities or free particles inside water heater. Otherwise, water heater operability may be affected.

6.It is RECOMMENDED to use a separate water filter at cold water inlet to increase the heating element lifetime if water hardness exceeds 450mg/l ( 3 3 ).

10 www.timberk.com electric instant water heater

ATTENTION!

If water heater is used at specially complicated (obsolete) water supply networks with high amount of suspended particulate matter and impurities contained in water flowing through the mains, purifying filters shall be used on a COMPULSORY basis. Please, follow this recommendation, otherwise, the nonexecution of this provision may influence the lifetime of the device and warranty servicing conditions (up to refusal to execute warranty liabilities by the device manufacturer and its maintenance services).

7.Make sure that water heater is operable, let water flow pass through it. Check the tightness of all connections and, if needed, tighten all retaining nuts and screws.

NOTE:

Prior to water heater installation, flush water supply pipes with flowing water.

CORRECT ASSEMBLY

INCORRECT ASSEMBLY

 

inlet

tap

inlet

outlet

tap

outlet

 

Fig. 14

WATERMASTER II Series. Water Heater Models: WHE 5.0 XTN Z1, WHE 6.0 XTN Z1, WHE 6.5 XTN Z1, WHE 7.0 XTN Z1, WHE 8.0 XTN Z1.

1.Water heater shall be directly connected to cold water supply line with working pressure from 0.15 to 0.6 MPa. If water pressure in water supply line exceeds 0.6 MPa, a pressure reducing valve shall be in

WATERMASTER II Series. Water Heater Models: WHE 5.0 XTN Z1, WHE 6.0 XTN Z1, WHE 6.5 XTN Z1, WHE 7.0 XTN Z1, WHE 8.0 XTN Z1.

1.Water heater shall be directly connected to cold water supply line with working pressure from 0.15 to 0.6 MPa. If water pressure in water supply line exceeds 0.6 MPa, a pressure reducing valve shall be included to the feeding system to assure that working pressure does not exceed 0.6 MPa.

2.Water heater has inlet and outlet nozzles for connection to water main, the nozzles are marked with indication labels; the diameter of external thread is 12 mm (G1/2").

3.To avoid water leakages use rubber sealing gaskets when connecting all nozzles.

4.After water heater installation and before power supplying, the system shall be flushed with water to remove any impurities or free

particles inside water heater. Otherwise, water heater operability

ATTENTION! may be affected.

If water heater is used at specially complicated (obsolete) water

5.It is RECOMMENDED to use a separate water filter at cold water inlet supply networks with high amount of suspended particulate

to increase the heating element lifetime if water hardness exceeds matter and impurities contained in water flowing through the

450mg/l ( 3 3 )

mains, purifying filters shall be used on a COMPULSORY basis. Please, follow this recommendation, otherwise, the nonexecution of this provision may influence the lifetime of the device and warranty servicing conditions (up to refusal to execute warranty liabilities by the device manufacturer and its maintenance services).

6.Make sure that water heater is operable, let water flow pass through it. Check the tightness of all connections and, if needed, tighten all retaining nuts and screws.

NOTE:

Prior to water heater installation, flush water supply pipes with flowing water.

WATERMASTER III Series. Water Heater Models: WHE 12.0 XTL 1, WHE 18.0 XTL C1, WHE 21.0 XTL C1, WHE 24.0 XTL 1.

1.Water heater shall be directly connected to cold water supply line with working pressure from 0.1 to 0.6 MPa. If water pressure in water supply line exceeds 0.6 MPa, a pressure reducing valve shall be

ENGLISH

included to the feeding system to assure that working pressure does not exceed 0.6 MPa.

2.Water heater has inlet and outlet nozzles for connection to water main, the nozzles are marked with indication labels and are equipped with coupling nuts, 12 mm (G1/2 ) external thread diameter, and 2 adapters, 12 mm (G1/2 ) external thread diameter.

3.To avoid water leakages use rubber sealing gaskets when connecting all nozzles.

4.After water heater installation and before power supplying, the system shall be flushed with water to remove any impurities or free particles inside water heater. Otherwise, water heater operability may be affected.

5.It is RECOMMENDED to use a separate water filter at cold water inlet to increase the heating element lifetime if water hardness exceeds 450mg/l ( 0 3 ).

ATTENTION!

If water heater is used at specially complicated (obsolete) water supply networks with high amount of suspended particulate matter and impurities contained in water flowing through the mains, purifying filters shall be used on a COMPULSORY basis. Please, follow this recommendation, otherwise, the nonexecution of this provision may influence the lifetime of the device and warranty servicing conditions (up to refusal to execute warranty liabilities by the device manufacturer and its maintenance services).

6.Make sure that water heater is operable, let water flow pass through it. Check the tightness of all connections and, if needed, tighten all retaining nuts and screws.

NOTE:

Prior to water heater installation, flush water supply pipes with flowing water.

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