Seifert 841210S62 Manual

Table of Content 841210S62
1. User manual .................................................................................................................................. 2
2. Legal regulations ......................................................................................................................... 3
3. Safety instructions ...................................................................................................................... 4
4. Settings ......................................................................................................................................... 5
5. Functional principle ..................................................................................................................... 6
6. Technical data .............................................................................................................................. 7
7. Mounting ....................................................................................................................................... 8
8. Mounting Principle ..................................................................................................................... 12
9. Electrical Connection ................................................................................................................. 14
10. Controller .................................................................................................................................. 16
11. Wiring Diagram ........................................................................................................................ 20
12. Taking into Operation ............................................................................................................. 20
13. Trouble Shooting ..................................................................................................................... 21
14. Maintenance & Cleaning ......................................................................................................... 21
15. Transport & Storage ................................................................................................................ 23
16. Parts supplied / Spare parts / Accessories .......................................................................... 24
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1. User manual
This instruction manual contains information and instructions to enable the user to work safely, correctly and
economically on the unit. Understanding and adhering to the manual can help one:
Avoid any dangers.
Reduce repair costs and stoppages.
Extend and improve the reliability and working life of the unit.
PLEASE ENSURE TO USE THE RIGHT VERSION OF THE INSTRUCTION MANUAL SUITABLE FOR YOUR
UNIT.
Intended use
​The unit is to be used exclusively for the dissipation of heat from control cabinets and enclosures (stationary,
not moving) in order to protect temperature sensitive components in an industrial environment. To meet the
conditions of use, all the information and instructions in the instruction manual must be adhered to.
General danger
Indicates compulsory safety regulations which are not covered by a specific
pictogram such as one of the following.
High electric voltage
Indicates electric shock danger.
Important safety instruction
Indicates instructions for safe maintenance and operation of the unit.
Attention
Indicates possible burns from hot components.
Attention
Indicates possible damage to the unit.
Instruction
Indicates possible danger to the environment.
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2. Legal regulations
Liability
The information, data and instructions contained in this instruction manual are current at the time of going to
press. We reserve the right to make technical changes to the unit in the course of its development. Therefore,
no claims can be accepted for previously delivered units based on the information, diagrams or descriptions
contained in this manual. No liability can be accepted for damage and production caused by:
Disregarding the instruction manual
Operating error
Inappropriate work on or with the unit
The use of non-specified spare parts and accessories
Unauthorised modifications or changes to the unit by the user or his personnel
The supplier is only liable for errors and omissions as outlined in the guarantee conditions contained in the main
contractual agreement. Claims for damages on any grounds are excluded.
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3. Safety instructions
Upon delivery the unit is already meeting current technical standards and can therefore be safely taken into
operation. Only authorised personnel is allowed to work on the unit. Unauthorised personnel must be prohibited
from working on the unit. Operating personnel must inform their superiors immediately of any malfunction of
the unit.
Please note that before starting to work on or with the unit, a procedure must be carried out inside the cabinet
on which the unit is to be mounted.
Before commencing work inside the cabinet, the control cabinet manufacturer's instruction must be read with
regards to:
Safety instructions.
Instructions on taking the cabinet out of operation.
Instructions on the prevention of unauthorised cabinet reconnection.
The electric equipment meets the valid safety regulations. One can find dangerous voltages (above 50 V AC or
above 100 V DC)
Behind the control cabinet doors.
On the power supply in the unit housing.
The unit has to be operated according to the type plate and the wiring diagram, and must be protected
externally from overloading and electrical faults via suitable protective devices.
Danger through incorrect work on the unit
The unit can only be installed and maintained by technical competent and qualified
personnel, using only supplied material according to the supplied instructions.
​
Danger from electrical voltage
Only specialised personnel are allowed to maintain and clean the unit. The personnel must
ensure that for the duration of the maintenance and cleaning, the unit is disconnected from
the electrical supply.
Attention
Damage to the unit through the use of inappropriate cleaning materials. Please do not use
aggressive cleaning material.
Instruction
Damage to the environment through unauthorised disposal. All spare parts and associated
material must be disposed according to the environmental laws.
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4. Settings
The cooling unit is intended to be used as a complementary accessory to larger industrial equipment. The unit
is used where heat needs to be dissipated from electrical control cabinets or similar enclosures in order to
protect heat sensitive components. It is not intended for household use.
The unit has two completely separate air circuits which ensure that the clean cabinet air does not come into
contact with the ambient air which may well be dirty or polluted.
Enclosure cooling units can dissipate large quantities of heat from sealed enclosures such as electrical
enclosures into the ambient air and at the same time reduce the cabinet internal temperature to below that of
the ambient air.
The unit can function without problems in extreme ambient conditions (e.g. dusty and oily air) with a standard
operating temperature ranging between +10°C (50°F) and +60°C (131°F). Units can be ordered with an
additional electrical cabinet heater. For the cooling capacities and evironmental ratings please refer to the type
plate data.
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5. Functional principle
The cooling unit for industrial enclosures works on the basis of a refrigeration circuit consisting of four main
components; a compressor, an evaporator, a condenser and an expansion device. The circuit is hermetically
sealed and R134a refrigerant circulates inside it (R134a is chlorine free and has an Ozone Destruction Potential
[ODP] of 0 and a Global Warming Potential [GWP] of 1430).
The compressor compresses the refrigerant (thus taking it to high pressure and high temperature), and pushes
it through the condenser, where it is cooled by ambient air thus passing from the gas to the liquid state. At the
liquid state it then passes through the capillary pipe being a much lower pressure the refrigerant arrives to the
evaporator where it absorbs the necessary heat to change from liquid to gas state. The gas is then drawn back
into the compressor completing the cycle.
1 Air intake cabinet side 6 Air intake ambient side
2 Radial fan cabinet side 7 Air intake ambient side
3 Evaporator
8 Condenser
4 Air outlet cabinet side 9 Air outlet ambient side
5 Compressor
10 Filter dryer
11 Expansion device
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6. Technical data
Order Number
Cooling capacity L35L35
Cooling capacity L35L50
Compressor type
Refrigerant / GWP
Refrigerant Charge
High / low Pressure
Operating Temperature Range
UL temperature range
Air flow volume (system / unimpeded)
Mounting
Housing Material
Dimensions A x B x C (D+E)
Weight
Voltage / Frequency
UL Voltage / Frequency
Current L35L35
Starting current
Max. current
Nominal power L35L35
Max. power
Fuse
Max circuit ampacity
Short-circuit current rating
Rated current compressor
Full load current fans
Connection
Ingress Protection
Approvals
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841210S62
1.50 kW @ 50 Hz
1.55 kW @ 60 Hz
1.27 kW @ 50 Hz
1.33 kW @ 60 Hz
Rotary piston
R134a / 1430
267 g / 9.4 oz.
30 / 6 bar
435 / 88 psi
10°C - 60°C
10°C - 60°C
Ambient air circuit: 550 / 850 m³/h
Enclosure air circuit: 350 / 850 m³/h
Wall mounted / recessed
Stainless steel AISI 304 (V2A)
950 x 395 x 250 (55+195) mm
45 kg
120 V ~ 50/60 Hz
120 V ~ 60 Hz
6.4 A @ 50 Hz
7.2 A @ 60 Hz
32 A
9.4 A
680 W @ 50 Hz
830 W @ 60 Hz
1.1 kW
15 A (T)
15 A
5 kA
5A
1.5 A
4 pole terminal for power
5 pole terminal for signals
IP 56 / Type 12, 3, 3R, 4, 4X
CE, cURus, cULus
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7. Mounting
Unpacking unit:
Please follow the below steps to unpack the unit.
STEP 1:
Stand the cooling unit upright with the pre-cut packaging opening facing up.
STEP 2:
Pull off the packaging opening.
STEP 3:
Hang the transport loop of the unit in the transport hook and lift it slightly.
STEP 4:
Pull off the packaging and slide out the tray with installation material and the short version of the operating
manual.
STEP 5:
Pull off the remaining packaging.
STEP 6:
The cooling unit can now be attached to the enclosure.
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Mounting:
The power supply rating on unit rating plate must comply with mains rating.
Always disconnect the power supply before opening the unit.
The heat load to be dissipated from enclosure should not exceed specific cooling output of the unit at any
condition. At cooling unit selection always cater for a safety margin of at least 15% extra cooling output in the
worst conditions.
Air inlets and outlets must be completely free from obstruction. Ensure that flows of air leaving and entering the
cooling unit, internal and external, are not obstructed. It must also be ensured in accordance with UL, that the
air outlet is not blowing air directly at an equipment operator. Should this be the case a barrier or duct shall be
provided to redirect the airflow.
Cooling unit enclosure air suction hole must be installed in the highest possible point.
When installing the unit on a door ensure it can take the weight. Before drilling the enclosure ensure the fixing
elements and couplings will not interfere with the equipment inside the enclosure itself. Disconnect power
before starting any work inside the enclosure.
If the unit is mounted in a recessed position, the controller bracket can be pulled according to the wall thickness
of the enclosure outwards as per steps below.
.
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Cold air outlet duct:
When using a cold air outlet duct please follow the steps below.
Filter installation:
If you install / replace a filter please follow the steps below.
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Condensate management:
High humidity and low temperatures inside the enclosure can lead to condensation on the evaporator.
Condensate that flows back into the enclosure can damage sensitive control electronics. The integrated
condensate evaporation of the cooling unit releases the condensate to the environment.
If too much condensation forms, the condensation is drained out of the cooling unit from the front through the
lower gill grilles. If this hose is removed, the cleaning drain MUST be open (see also point 13. Maintenance &
Cleaning).
In order to prevent the formation of excessive condensate, you should nevertheless:
- check the seals on regular intervals
- consider installing a door contact switch (order no. 3100001). This will prevent condensation forming
when enclosure door is left open.
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8. Mounting Principle
NOTES:
• Do not use within the first 15 minutes after installation!
• Use only the supplied mounting hardware.
• Tighten Screws to 4.5 Nm.
• Ensure the mounting surface does not warp after assembly and reinforce it if necessary.
1
2
3
4
5
6
7
8
Fig. 1
Fig. 2
M6 screws
M6 toothed washers
M6 flat washers
Enclosure
Mounting gasket
Lifting sling
Cover
M4 screws
Recessed
External
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9. Electrical Connection
Caution, risk of death
Unconnected and / or faulty protective conductor systems can lead to dangerous voltages and electric shocks
which can cause serious accidents.
Work on electrical connections may only be carried out by trained electrical engineers.
Door Switch
The unit can be switched ON and OFF via a door contact switch. When delivered the door contact terminals are
bridged on the female connector. To connect the door contact switch remove the bridge and connect door
contact switch. The contact must be closed when the cabinet door is closed.
It is possible to change the logic of the door switch (controller firmware rev. 1.2 or higher). This can be set by
changing the value of parameter c68. Refer to the table below and section Controller: Setting temperature units
(°C / °F), low temperature alarm, door contact logic section for more information.
c68 = 0 (default)
c68 = 1
ON if closed - Door contact terminals bridged, or NC door switch connected
(contact must be closed when cabinet door is closed)
ON if open - Remove bridge, or NO door switch connected
(contact must be open when cabinet door is closed)
Alarm Contacts
Alarm contacts rated according to:
EN60730-1 8(4)A N.O., 6(4)A N.C., 2(2)A N.O./ N.C. @ 250Vac 100000 cycles
UL 873
8A resistive 2FLA 12LRA, pilot duty C300 @ 250Vac 30000 cycles
These contacts are not suitable for fluorescent loads (neon lights, etc.) that use starters (ballasts) with phase
shifting capacitors. Fluorescent lamps with electronic controllers or without phase shifting capacitors can be
used, depending on the operating limits specified for each type of relay.
SCCR
Refer to UL508A Supplement SB and Seifert Systems’ document Short Circuit Current Rating (SCCR) on methods
how to modify the available short circuit current within a circuit in the panel.
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Connect unit:
Connect the cooling device according to the instructions below. The cable cross-section must correspond to the
required power for the current consumption, but max. 2.5 mm² / AWG 14.
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10. Controller
The display shows the temperature in the range of -50°C to +150°C (-58°F to +302°F). The temperature is
displayed with resolution of tenths between -19.9°C and +99.9°C (-3.8°F to +211.8°F). During programming, it
shows the codes and values of the parameters. The display also shows icons according to occurring events.
Display icons
Icon
1
2
3
4
Function
Compressor relay active
Alarm relay active
Heater relay active
Ambient blower relay active
Description
Alarm
Flashes when alarms are active
Heating mode
Signals operation of unit in heating mode
Cooling mode
Signals operation of unit in cooling mode
TEST Test mode in progress
Flashes when activation is delayed or inhibited by
protection times, external disabling or other procedures
in progress
Activated only by manual procedure
Programming
The operating parameters can be modified using the front keypad. Access differs depending on the type of
parameter. Access to configuration parameters is protected by a password that prevents unwanted
modifications or access by unauthorised persons.
Setting cooling set point, St1:
1. Press “SET” and display should show St1 and then the pre-set value of St1. (default: +35°C / +95°F)
2. Reach the desired value by using ▲ or ▼.
3. Press “SET” again to save the new value of St1.
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Setting heating set point, St2 (only for units supplied with internal heater):
1. Press “SET” twice slowly and display should show St2 and then the pre-set value of St2. (default: +5°C /
+41°F)
2. Reach the desired value by using ▲ or ▼.
3. Press “SET” again to save the new value of St2.
​Setting temperature units (°C / °F), low temperature alarm and high temperature alarm:
1. Press “PRG” button for 5 seconds to reach the modifiable parameter list.
2. Use ▲ or ▼ to reach the desired parameter:
C18 for temperature unit of measure
°C = 0
°F = 1
P25 for low temperature alarm threshold (default -10°C / +14°F)
P26 for high temperature alarm threshold (default +55°C / +131°F)
c68 for door contact NO/NC logic change (0=ON if closed, 1=ON if open)
Controller firmware rev. 1.2 or higher.
3. Press “SET” on the desired parameter to display the current value.
4. Use ▲ or ▼ to reach the desired value.
5. Pressing “SET” temporarily saves the new value and returns to the parameters list.
6. Repeat steps 2-5 to set other parameters.
7. Press “PRG” for 5 seconds to permanently save the new values.
Test function
Different test functions can be used depending on the combination of keys pressed. Such tests run for the
duration of 4 minutes.
“SET+▲” tests Compressor and Ambient Blower relays.
“SET+▼” tests Alarms and Heater relays
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Alarm Relay Operation
Both normally closed (NC) and normally open (NO) alarm contacts are provided. These refer to the alarm state.
Under normal conditions, the NC contact is closed and the NO contact is open. When an alarm condition is
present or the door contact is open, the NC contact will open and the NO contact will close. System power
failure will give an alarm condition.
State
Alarm relay
Display
1 System powered OFF
2 System powered ON
- NO ALARM
- Door Contact Closed
3 System powered ON
- Door Contact Open
4 System powered ON
- ALARM STATE
Failure table:
The display shows either ‘’OFF’’ or “EXX” with an icon flashing (triangle), alternating with the standard display. If
more than one error occurs, these are shown in sequence on the display.
Failure
Code
Description
Door open
OFF
E01
E02
E04
Solution
Close the enclosure door and check the door contact switch. If no
door contact switch is used and c68=0, bridge terminals on power
connector.
Incorrect phase sequence
(3-phase units)
Displayed on power-up. Check phase sequence.
Failure internal
Check probe connections
temperature sensor
Failure ambient
Check probe connections
temperature sensor
The measured temperature has exceeded the threshold P26.
Check rating of the cooling unit. Clean air filters, condenser; check
High temperature alarm
fans’ and compressor’s correct operation. Contact your service
partner.
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Failure
Code
E05
E07 / E08
Description
Low temperature alarm
Controller error
Solution
The measured temperature has fallen below the threshold P25.
Contact your service partner.
Important Notes
Whilst programming, if no button is pressed for 10 seconds, the display starts flashing, and after 1 minute
returns to the main display without saving changes.
To increase scrolling speed, press and hold the ▲ or ▼ button for at least 5 seconds.
When pressing “PRG” for 3 seconds, the firmware revision code is displayed for 2 seconds.
When cleaning the controller panel, do not use ethanol, hydrocarbons, ammonia or their by-products.
Use neutral detergents and water.
In order to protect the unit’s components, minimum relay output on (3 or 7 minutes) and off (4 minutes)
times and minimum time (7 or 11 minutes) between activation of the same relay output are applied.
In case of digital inputs not configured, probes not fitted or configured, or St2 not enabled on the
controller the display shows ‘nO’.
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11. Wiring Diagram
Power connector
1
L1
2
/
3
N
4
PE
Signal connector
1
Alarm (NC)
2
Alarm (COM)
3
Alarm (NO)
4
Door contact
5
Door contact
12. Taking into Operation
Attention!
The unit can be damaged by lack of lubricant. To ensure that the compressor is adequately lubricated the oil,
which has been displaced during transport, must be allowed to flow back into it. The unit must therefore be
allowed to stand for at least 30 min. before being connected to the mains and taken into operation.
The unit / system must be protected with a MCB Type D or K. Upon connection the internal fan will start
working. If the temperature inside the enclosure is higher than the set value of the controller both the
compressor and external air fan start working. The cooling cycle will either stop once the air inside the
enclosure reaches the set temperature minus hysteresis or once the minimum On-time is reached. The setpoint
for the internal enclosure temperature is pre-set at 35°C.
The hysteresis is 3K, the minimum ON-time is 4 minutes, the minimum OFF-time is 3 minutes, for units with a
cooling capacity of more than 1 kW is it usually 7 minutes.
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13. Trouble Shooting
Failure
Condition
Internal fan does not work
Cause
Solution
Power not connected.
Verify power supply
Enclosure temperature is below Verify values of parameter
"St1"
Internal fan works, external fan setting temperature (St1)
and compressor don't work
Door switch contact is open
Verify door switch
Controller doesn't work
Replace controller
Unit
Internal fan works, external fan
The sequence of the phases
doesn't
and compressor don't work.
Change phases inside power
inside the power supply
cool
Display shows alternating OFF
supply connector
connector is incorrect
and temperature
Compressor motor electrical
Have compressor replaced
External and internal fan work, failure
by qualified service technician
compressor does not work
Capacitor for compressor failed Replace capacitor
Compressor works, external fan External fan needs to be
Replace external fan
doesn't work
replaced
Compressor and fans (external
Enclosure needs a cooling
Cooling unit undersized
and internal) work all the time
unit with with higher capacity
Enclosure
temperature Compressor and external fan
Thermal compressor protector Verify if ambient temperature
too high
triggered
is too high,clean condenser
work in alternating mode
(ON / OFF)
Refrigerant leakage
Contact dealer/service center
Ensure door is closed, add
Ambient air gets into the
Enclosure door open
a door switch and connect
enclosure
it to controller
Excessive
Enclosure IP protection class
Seal all openings of the
condensate
is below IP54
enclosure
Enclosure door closed
Damaged or misplaced sealing Repair sealing strip
strip
accordingly
14. Maintenance & Cleaning
Always switch power supply off before starting any maintenance on the unit.
Wait for 5 minutes for electrical components to discharge.
The cooling unit is generally maintenance free and can be operated without filters in most environments.
If the ambient air is extremely dusty, we recommend installing filter mats (see accessories). These should be
cleaned or replaced at regular intervals. Oily or greasy filter mats should be replaced immediately. Do not use a
steam jet or high pressure to clean the filter mats. Do not wring out the filter mats.If the ambient air is
extremely oily, we recommend the use of metal filters (see accessories). They can be cleaned with standard
cleaning agents and reused.
Note: The use of filter mats / metal filters reduces the cooling capacity of the unit.
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Oel & cleaning drain pipe connection
The oel & cleaning drain is in the base of the unit. To install an oel & cleaning pipe, please follow below steps:
1. Remove the plastic stopper from in the base of the unit (factory setting is locked)
2. Dispose the plastic stopper but keep the Slilicon washer
3. Insert the drain socket
4. Lock it clockwise and fix the oel & cleaning pipe onto it​
Disposal
The cooling unit contains R134a refrigerant and small quantities of lubricating oil. Replacement, repairs and
final disposal must be done according to the regulations of each country for these substances.
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15. Transport & Storage
Malfunction due to transport damage
On delivery the carton box containing the unit must be examined for signs of transport damage. Any transport
damage to the carton box could indicate that the unit itself has been damaged in transit which in the worst case
could mean that the unit will not function.
The unit can only be stored in locations which meet the following conditions:
Temperature range: - 40°C to + 70°C
Relative humidity (at 25°C): max. 95 %
The cooling unit should always be stored according to the installation position
Returning the unit
To avoid transport damage the unit should be returned in the original packing or in a packing case and must be
strapped to a pallet. If the unit cannot be returned in the original packing please ensure that:
A space of at least 30 mm. must be maintained at all points between the unit and the external packing.
The unit must be shipped in the same position as it was mounted.
​The unit must be protected by shock resistant padding (hard foam corner pieces, strips or cardboard
corner pieces).
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16. Parts supplied / Spare parts / Accessories
Parts supplied:
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Spare parts:
Description
Order no.
1 Spare Part Kit - Compressor
SP-841200001-A
2 Spare Part Kit - Ambient fan
SP-841200001-B
3 Spare Part Kit - Internal fan
SP-841200001-C
4 Spare Part Kit - Controller
SP-841200001-D
5 Spare Part Kit - Connectors, strain relief SP-841200001-F
Spare Part Kit - Installation parts
SP-841200001-P
Please always state the serial number of the cooling unit when ordering any spare parts. Note: only original
spare parts should be used. For further information or querries kindly contact our service department
on [email protected]
Accessories:
Description
Order no.
Washable aluminium filter AC-8508/12/8412-BF-1
Cold air outlet duct
AC-8508/12/8412-BZ-1
Anti vibration kit
AC-8508/12/8412-T-1
Door switch contact
3100001
Seifert Systems GmbH
Albert-Einstein-Str. 3
Seifert Systems Ltd.
HF09/10
Hal-Far Industrial Estate
42477 Radevormwald
Birzebbuga, BBG 3000
Germany
Malta
Tel.+49 2195 68994-0
Tel.+356 2220 7000
[email protected] [email protected]
Version No. 1-5 - 26.02.2022
Seifert Systems AG
Wilerstrasse 16
Seifert Systems GmbH
Bärnthal 1
Seifert Systems Ltd.
Rep. Office
Seifert Systems Inc.
75 Circuit Drive
North Kingstown
4563 Gerlafingen
4901 Ottnang
26100 Cremona
RI 02852
Switzerland
Austria
Italy
USA
Tel.+41 32 675 35 51
Tel.+43 7676 20712 0
Tel.+39 349 259 4524
Tel.+1 401-294-6960
[email protected] [email protected] [email protected] [email protected]
Doc. No. 99841210S62
Seifert Systems Pty Ltd.
105 Lewis Road
Wantirna South
3152 Victoria
Australia
Tel.+61 3 98 01 19 06
[email protected]
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