Timberk WHN-4OS User manual
/ Models
Instant
water heater
Instruction manual
.
Outlook of devices, aslo colour scores can be revised without any special advance notices.
WHN-4OS
WHN-5OS
WHP-4OS
WHP-5OS
Evolution 4
2
THE IMPORTANT PRECAUTIONS AND INSTRUCTIONS CONTAINED IN
THIS INSTRUCTION MANUAL DO NOT INCLUDE ALL POSSIBLE MODES
AND S I TUATIO N S, WHIC H MAY O CC U R. IT I S N ECESS A RY TO
UNDERSTA N D TH AT COMMON SENSE, C AUTIO U S N E S S , 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
W E L L A S I N T H E E V E N T O F U N A U T H O R I Z E D C H A N G E S O R
MODIFICATIONS IN ANY PART OF THE APPLIANCE.
2. PRECAUTIONS
During operation of the water heater, it is necessary to observe some pre-
cautions. 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 the water heater only to 220VAC/50Hz mains. If necessary, clar-
ify specifications of your electric mains from the power 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, al-
ways disconnect it from the electric mains. Perform cleaning and mainte-
nance 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.
10. Do not use the water heater for purposes not specified in this instruc-
tion manual.
CONTENTS:
1. Important information
2. Precautions
3. Performance data
4. Water heater design
5. Package contents
6. Water heater installation
7. Water heater control
8. Maintenance
9. Troubleshooting
10. Electrical schematic diagram
11. Disposal
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 elec-
tric wiring (single-phase electric power supply is required), except for
rooms with possible temperature drops below 0°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 appli-
ance 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 appli-
ance. 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.
2
2
3
4
5
6
8
9
9
10
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11. Do not use the water heater in explosive or corrosive environment. Do
not store gasoline and other volatile highly inflammable liquids near the
appliance. This is very hazardous!
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 war-
ranty service.
14. The water heater is not designed for use by people (including chil-
dren) with physical, sensory, or mental disability, having insufficient expe-
rience and knowledge, without observation and instructing on use of the
appliance by the person responsible for their safety. It is necessary to
watch children not to play with the appliance.
15. Use only for household purposes. The water heater is not designed for
industrial use.
16. Do not use the water heater with the damaged electrical cable or
other damages. For troubleshooting and repairs, please contact the near-
est authorized service center of the manufacturer in your region.
17. Make sure that the electrical cable does not cross sharp edges and
does not contact with hot surfaces.
18. Never leave the energized water heater unattended.
19. Do not allow children to use the water heater without supervision by
adults.
20. Thoroughly observe the connection procedure of the water heater,
since improper connection will result in its failure and may inflict harm to
the user.
21. Do not swap locations of the water inlet and outlet positions, since
this will result in failure of the water heater and may inflict harm to the
user (see IN (inlet) and OUT (outlet) marks). The water heater shall be
connected only with its water connections downward in strictly vertical
position. Connection of the water heater in another position will result in
its failure. The water heater shall be operated only with the original
shower nozzle excluding its clogging.
22. The water heater is designed only for heating of water. Do not use the
product for heating of other liquids. This may inflict a severe damage to
the water heater.
23. Do not connect electric wires of the device to a water pipeline, a gas
pipeline, etc.
24. Make sure in proper connection of electric wiring (including connec-
tion to the grounding loop).
25. Inlet temperature of water shall not exceed +35°C.
26. For use of the water heater in a bathroom, it is recommended to install
it above body height so that water splashes do not get onto its enclosure.
27. It is prohibited to splash water onto the heater or irrigate it.
28. It is PROHIBITED to:
Pull electric wires inside the water heater;
Install other fixtures, except for fixtures recommended by the manufac-
turer.
ATTENTION!
The water heater shall be certainly grounded.
3. PERFORMANCE DATA
1. Instantaneous water heating without preliminary preparation and wait-
ing.
2. Reliable heating element with extended service life.
3. Temperature protection. Temperature control will protect the water
heater against overheating, user - against burns. When water temperature
reaches 55°C, the integrated temperature limiter automatically discon-
nects power supply to the heating elements. Water heating is stopped.
When temperature decreases to the set values, the water heater automati-
cally resumes its operation. If water temperature reaches 95°C, the temper-
ature limiter automatically disconnects power supply to the water heater.
It can be switched on again only manually via pushing the button located
at the center of the temperature limiter until the button clicks.
4. Pressure protection. The water heater automatically stops the heating
mode, if cold water supply suddenly discontinues, or water pressure in the
system drops below the operating value. The minimum water flow in the
water supply system shall be not less than 2.4 L/min. This water heater is
designed for family use, for one water consumption point, and it can be
installed in a bathroom.
5. Mechanical switch, stepless power selection from 1000W to 3500W for
WHN -4 OS/WHP-4 O S model an d from 1000W to 4500W for
WHN-5 OS/WHP-5 OS model.
6. Integrated current leakage protection (RCD).
7. Ultrathin compact design is ideal for installation and use both in a town
residence and in a country house. Furthermore, quicker and safe heating
together with significant saving of electric power (i.e. costs) will kindly
gladden you throughout the service life of the TIMBERK water heater.
www.timberk.com instant water heater
ENGLISH
PARAMETER
Version
Rated voltage (AC)
Rated current
Operating power consumption
Operating pressure
Flow rate (at t=20°C)
Water protection class
Electrical protection class
Automatic circuit breaker
Dimensions
Net weight
Unit of
measure
-
V
kW
P
L/min
-
-
mm
kg
WHN-4 OS / WHP-4 OS
shower
~220/50
16
3,5
0,03 - 0,60
2,5
IPX4
I
16
382x250x91 / 400x260x100
1,8/2,1
WHN-5 OS / WHP-5 OS
shower
~220/50
21
4,5
0,03 - 0,60
3,2
IPX4
I
21
382x250x91 / 400x260x10
1,8/2,1
Table 1
Specifications
Specifications of the water heater are given in Table 1.
4. WATER HEATER DESIGN
The water heater design by the example of WHN series is shown in Fig.1.
www.timberk.com instant water heater
4
5
5. PACKAGE CONTENTS
The package contents are given in Table 2.
Stock number
Version
Water heater assembly with safety valve*
Installation fixtures (screw - dowel pin), set
Sealing gaskets with filter
Instruction manual
Warranty card
Shower nozzle
Wall holder for shower
Hose for shower nozzle
pc.
1
1
1
1
1
1
1
1
1
WHN-4 OS,
WHP-4 OS
shower
+
+
+
+
+
+
+
+
WHN-5 OS,
WHP-5 OS
shower
+
+
+
+
+
+
+
+
Table 2
* May be not included in the set of delivery.
6. WATER HEATER INSTALLATION
Location
1. The water heater can be installed in any place provided that temperature
in the room is not below 0°C.
2. The water heater is installed onto flat wall surface so that water and
splashes cannot get onto its enclosure.
3. During selection of a location for the water heater, it is necessary to
ensure free access to it on the basis of not less than 0.3 m from above, from
below, and sideways. This will ensure the maximum comfort of
maintenance and adjustment of the water heater, when necessary.
4. The water heater shall be installed so that distance from the appliance
bottom to the floor is not more than 1.6 m.
5. Possible installation options of the water heater are given in Fig.2.
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ENGLISH
Water heater installation
- Remove the front panel of the water heater unscrewing the mounting
screw at the appliance bottom.
- Mark points for holes according to Fig.3.
- Drill four holes of appropriate depth, insert dowel pins.
- Turn screws at the top and make sure that there is certain distance be-
tween the screw head and wall (refer to Fig.3).
- Suspend the water heater onto the screws and turn two mounting
screws at the bottom; connect the power cord; install the front panel;
and turn the front panel screw.
Fig. 2
Fig. 3
Brick or concrete wall
NOTE:
Installation of the water heater in the operation place and arrange-
ment of a power supply line shall be performed by a specialized
organization, representatives of the manufacturer's service
department, or specialists having permits for installation of electric
equipment with observations of safety requirements.
If the installation and operation instruction manual of the water heater
is violated, the appliance is not subject to warranty service and the
manufacturer does not bears the responsibility.
Connection to water mains
- The water heater shall be directly connected to the water mains of cold
water supply with operating pressure from 0.08 to 0.6 MPa. If water pres-
sure in the mains exceeds 0.6 MPa, the feed system shall be fitted with a
reduction valve (pressure reducer) so that operating pressure does not
exceed 0.6 MPa.
- The water feed shutoff valve shall be installed upstream of the water
heater inlet (Fig. 4).
- Installation of a shutoff valve at the hot water outlet from the water heater
is prohibited (Fig.5).
- After installation of the water heater and before connection of power
supply, it is necessary to flush the system with water to remove any con-
taminations or free particles inside the water heater. If you do not perform
this, operability of the water heater may be affected.
- The inlet connection and hot water outlet are clearly marked on the appli-
ance with indication labels.
- Install the safety valve (included to the package)* at the cold water feed
connection in the position indicated by the arrow of water flow direction.
At that, the drain opening shall be directed downward and free for events
of emergency water drainage.
- To avoid water leakage during connection of any pipes, use the rubber
sealing gaskets included to the water heater package. The cold and hot
water connections are installed with the method of threaded joints (G1/2)
certainly using sealing cups* and a strainer (*included to the package).
- We RECOMMEND you to use a separate water filter at the cold water inlet
to extend service life of the heating element, if water hardness exceeds
450 mg/L (CaCO3).
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6
ENGLISH
7
Fig. 4 Fig. 5
PROPER ASSEMBLY IMPROPER ASSEMBLY
Make sure that the water heater is operable passing water flow through it.
Check tightness of all connections and, if necessary, tighten nuts and
mounting screws including screws in flanges of the heating vessel.
NOTE:
Before installation of the water heater, flush water pipes with flowing
water.
ATTENTION!
It is prohibited to use the water heater without reliable grounding.
Connection to electric mains
1. The power cord is led in through the side face of the appliance.It is pro-
hibited to use a plug socket for connection of the water heater to the elec-
tric mains, except for WHN-4 OS, WHP-4 OS models.
2. The water heater shall be connected to the 220VAC electric mains with a
three-core copper electric cable having the following minimum wire
section:for WHN-4 OS, WHP-4 OS models - 3x1.5 mm2 and a 16A circuit
breaker; for WHN-5 OS, WHP-5 OS models - 3x2.5 mm2 and a 25A circuit
breaker.It is necessary to increase wire section, if the water heater and
4. For connection of power supply:
- Remove the front panel;
- Strip off insulation of the power wires to length not less than 7-10 mm and
strip off insulation of the grounding wire to length not less than 2-2.5 mm;
- Lead the electric cable through the side face in the rear panel of the appli-
ance enclosure cutting the electric cable gland at the center with a sharp
knife;
- Remove the clamping plate of the electric cable keeping the installation
screws and make sure that the cable does not cross sharp edges and does
not contact with hot surfaces;
- Connect the electric cable wires with the terminal block according to the
appliance marking (refer to Fig.6);
- Make sure that all clamping screws of the terminal block are secured.A
loose connection may result in heating of wires;
- Install the clamping plate of the electric cable to the main position using
the installation screws and make sure that the power cord cannot be re-
moved;
- Check connection tightness of all internal electric contacts including
removable contact groups and bolt contact connections on heating
elements.If there are loose connections, they shall be fixed and tightened;
- Install the front panel.
~220 VAC
To grounding loop
Fig. 6
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ATTENTION!
When the water heater is operated in particularly difficult (includ-
ing obsolete) water pipeline systems with a large quantity of sus-
pended particles and impurities in flowing water, application of
purification filters at the inlet of the water heater is OBLIGATORY.
Use this recommendation; otherwise, non-fulfilment of this item may
affect service life of the product and warranty service conditions (up to
refusal of warranty liabilities by the product manufacturer and manufac-
turer's service departments).
electric cable itself are located on a thermally insulated or heating wall.
3. The water heater shall be connected to the 220VAC power supply
source permanently (except for WHN-4 OS, WHP-4 OS) with obligatory
connection to the electric grounding loop. Make sure that resistance of
the grounding loop is < 4.
8www.timberk.com instant water heater
7. WATER HEATER CONTROL
Control panel
WHN-4 OS, WHN-5 OS models
1. TEST button
This button is used to test the appliance for
current leakage.
2. RESET button
This button is used to reset testing of the
appliance for current leakage.
3. Power control knob
It is used for adjustment of water heating
power.
4. POWER indicator
This indicator lights up during water heating.
5. ELECTRICITY CHECK indicator
This indicator lights up upon availability of
power supply.
5
4
3
2
1
Fig. 7
WHP-4 OS, WHP-5 OS models
Fig. 8
1. TEST button
This button is used to test the appliance for
current leakage.
2. RESET button
This button is used to reset testing of the
appliance for current leakage.
3. ON/OFF button
This button is used to switch on the appliance
4. Power control knob
It is used for adjustment of water heating power.
5. POWER indicator
This indicator lights up during water heating.
6. E-SAFE indicator
This indicator lights up upon availability of
power supply.
7. EARTH indicator
This indicator lights up upon availability of
grounding.
7
6
5
4
3
2
1
Water heater operation
1. Before first start or after a long idle period of the water heater, fill it with
water opening the cold water feed shutoff valve and make sure that cold
water steadily flows from the spout at the consumption point.This indi-
cates that the appliance is filled with water.
2. Switch on power supply. The appliance of WHN series will make a self-
test for 2 sec and, if there is no current leakage, the ELECTRICITY CHECK
indicator will light up on the control panel.For the appliance of WHP series,
push the ON/OFF button. The appliance will make a self-test for 2 sec and,
if there is no current leakage, the E-SAFE and EARTH indicators will light up
on the control panel.
3. Turn the power control knob (Figs. 7, 8) clockwise. The POWER indicator
will light up (provided that water flow rate exceeds 2.4 L/min) and the wa-
ter heater will start water heating.
4. To check the water heater for current leakage, push the TEST button,
when the water heater is working in the normal operation mode. The
ELECTRICITY CHECK and POWER indicators will extinguish (for WHN se-
ries) or E-SAFE, EARTH, and POWER indicators will extinguish (for WHP
series) and heating will be stopped.Push the RESET button to cancel the
check. The indicators will light up and the appliance will return to the oper-
ation mode.If there is current leakage in the appliance circuit, pushing the
RESET button will not cancel the leakage test and the indicators will not
light up. This means that the water heater has problems and it cannot be
used.During the current leakage test, when the water heater is working
normally, if leakage current exceeds the defined value in range from
7.5mA to 15mA, the indicators will not light up and water will not be
heated.The appliance can be used only after elimination of current leak-
age.
5. For adjustment of hot water temperature, you can use the valve at the
inlet connection (cold water inlet) or safety valve.When you decrease inlet
flow rate of water, you increase outlet temperature of water and vice
versa.To change water temperature, you can also use the power control
knob (Figs. 7, 8).
NOTE:
Inlet water is heated, when it flows through the heating element
inside the vessel.Water temperature in the water mains may fluc-
tuate throughout the year from 3°C to 20°C.
To obtain the optimum water temperature, water flow in winter
shall be made lower than in summer.
ENGLISH
9
www.timberk.com instant water heater
6. To switch off the appliance, turn the power control knob counterclock-
wise and close the cold water feed valve.
9. TROUBLESHOOTING
Table 3
Possible failures and methods for their elimination
8. MAINTENANCE
During use of the water heater, scale may appear in nozzle openings of
the shower spout. This reduces efficiency of heating, deteriorates water
spraying, and increases water pressure in the heating vessel. For preven-
tion of such phenomena, it is necessary to periodically clean the nozzle
using household chemical agents and soft brushes. Do not use abrasive
cleaning substances and inappropriate chemical agents.
a) Outer care:
- Switch off the appliance and allow it to fully cool down.
- Clean the outer surface of the appliance enclosure using a slightly
moistened soft cloth and then wipe it dry. Do not use abrasive cleaning
substances.
b) Filter cleaning:
If water flow rate from the heater decreases, it is necessary to clean the
coarse filter installed at the cold water inlet to the water heater. Use the
following procedure:
- Switch off the appliance and allow it to fully cool down.
- Shut off cold water feeding.
- Unscrew the cold water feed hose from the water heater, remove the
coarse strainer and flush it under a jet of flowing water.
- Restore the inlet connections in the reverse sequence.
Problem
Upon power-up, indicators
does not light up.
The indicator of heating
does not light up, water is
not heated.
Water does not flow from
the hot water outlet valve.
Water leakage.
Water at the outlet from
the heater is sometimes
hot, sometimes cold.
The heating indicator
«Power» continues
glowing, while the water
inlet valve is closed.
The indicators extinguish
upon pushing the TEST
button, the indicators do
not light up upon pushing
the RESET button.
Possible causes
1. There is no power supply.
2. The temperature limiter at 95°C is
tripped or not activated.
3. The printed board is faulty.
4. Current leakage.
1. Water flow rate is less than 2.4 L/min.
2. The power mode switch is off.
3. The temperature limiter at 55°C is
tripped due to overheating.
4. Too low water pressure in the water
mains
1. Water feed is shut off.
2. The cold water inlet valve is not
opened.
Problem with connection tightness of
each pipe.
1. Unstable water pressure.
2. Water temperature at the outlet from
the heater is too high causing repeated
tripping of the overheating protection.
Failure of the water flow sensor.
Current leakage.
Elimination method
1. Make sure that power supply is
switched on.
2. Activate the temperature limiter at
95°C.
3-4. Contact a repair specialist in the
Timberk service center.
1. Increase water flow rate.
2. Switch on the power mode switch.
3. Wait until the temperature limiter at
55°C cools down and activates.
4. Wait until normal water pressure is
restored in the system.
1. Wait until water feeding is restored in
the water mains.
2. Open the cold water inlet valve.
Restore connection tightness.
1. Use the water heater only after
stabilization of water pressure.
2. Decrease heating power, increase
water flow rate.
Contact a repair specialist in the Timberk
service center.
Contact a repair specialist in the Timberk
service center.
ATTENTION!
WHN-4 OS, WHP-4 OS models with power of 3.5kW are designed
for use in summer with water temperature at the inlet of the water
heater not less than +16-18°C.
www.timberk.com instant water heater
11. DISPOSAL
Upon expiration of service life, the water heater shall be disposed. For
more details regarding disposal of the water heater, please contact a repre-
sentative of the local authorities.
Service life of a device is 5 years.
10. ELECTRICAL SCHEMATIC DIAGRAM
Fig. 9
Terminal
block
Blue
Braun
Yellow/Green
Temperature
limiter (95°C) Heating element
Silicon
control unit
Water ow sensor
Temperature
limiter (55°C)
Indication board
RCD
Control board
Transformer board
10
11
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WHN-5 OS / WHP-5 OS
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, , ..
.
1. , -
. -
, WHN-4 OS, WHP-4 OS.
2.
220 -
:
WHN-4 OS, WHP-4 OS 3x1,5 2 16 ; -
WHN-5 OS, WHP-5 OS 3x2,5 2 25.
,
.
3. () -
( WHN-4 OS, WHP-4 OS) 220
-
. , -
< 4 .
. 5
*
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16
7.
WHN-4 OS, WHN-5 OS
~220 В
к контуру заземления
. 6
- -
(. .6);
- , .
;
-
, ,
;
-
, -
. -
;
- .
1. TEST
.
2. RESET
.
3.
.
4. POWER
.
5. Electricity check.
.
5
4
3
2
17
www.timberk.com
Рис. 7
1
18
.
1. -
, , -
,
. ,
.
2. , 2 WHN
, , ,
«Electricity check».
WHP «ON/OFF», 2
, , ,
«E-SAFE» «EARTH».
3. (.7,8) -
, «POWER» ( , -
2,4 /) .
4. ,
«TEST», , -
««Electricity check»» «POWER» ( WHN)
«E-SAFE», «EARTH» «POWER» ( WHP)
WHP-4 OS, WHP-5 OS
Рис. 8
1. «TEST»
.
2. «RESET»
.
3. «ON/OFF»
4.
.
5. «POWER»
.
6. «E-SAFE»
.
7. «EARTH»
.
. «RESET», ,
.
, «RESET»
, -
, -
. ,
, -
7,5 15 , ,
.
, .
5.
( ) -
. , -
, , . -
(.7,8).
:
.
3 °
20 °.
!
WHN-4 OS, WHP-4 OS 3,5 -
+16-18°.
6. -
-
.
7
6
5
4
3
2
1
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6.
.
9.
3
8.
-
. -
, -
. -
.
.
) :
- -
.
- -
, . -
.
) :
, -
, -
. :
-
.
- .
- , -
-
.
- -
.
.
«Power» ,
.
.
.
, .
«Power»
.
"TEST" ,
"RESET"
.
1. .
2.
95°.
3. .
4. .
1. 2,4 /.
2.
.
3.
55° - .
4.
.
1. .
2.
.
.
1. .
2.
,
.
.
.
1. ,
.
2.
95°.
3-4.
Timberk.
1. .
2.
.
3. ,
55°
.
4. ,
.
1.
.
2.
.
.
1. ,
.
2. ,
.
Timberk.
Timberk.
19
www.timberk.com
20
11.
.
.
- 5 .
10.
Рис. 9
12.
EEC 89/336, -
,
.
.
Timberk ,
Timberk , -
, ,
-
: . RU.0001.11AB71
«».
: 123308, . , . , . 3, . 1, .
323; : 115162, . , .,
28, 4, . +7 495 6044266, +7 495 6044266
.
,
:
P 60335-2-35-2000
P 51318.14.1-2006 .4
P 51318.14.2-2006 p.5,7
P 51317.3.3-2008
P 51317.3.2-2006 p.6,7
: RU C-IL.AB71.B.00051
.
,
: 09.02.2012 08.02.2015
, ,
.
* , ,
\ \ .
, ,
.
www.timberk.com
:
« » , 10,
, 88000
/ +972-8-637-88-311
*:
«» : ., . , 1, .1,
606
/ (499) 638-26-77
:
+ 7 (495) 6275285
This manual suits for next models
3
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