DP .................8 1.1.4. Other system components........12 1.2. Operational safety............13 2. User interface ...............14 2.1. Front panel of the central unit VAMP 221 .....14 2.1.1. Display and status indications .......15 2.1.2. Buttons and programming switches.....16 2.1.3. Moving in menus............17 2.2. I/O unit front panels ............18 2.2.1.
1.1. VAMP 221 arc protection system components VAMP 221 is an easily adaptable arc protection system for the protection of electricity distribution systems. VAMP 221 significantly reduces the risk of potential personal damage, and material and production losses caused by arc fault.
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Operation and configuration instructions Figure 1.1-1 VAMP 221 Arc Protection System VAMP 221 is a modular system consisting of a central unit, I/O units, arc sensors and possible multiplying relays. Thanks to its modularity, the system can easily be adapted to...
VAMP Ltd Operation and configuration instructions 1.1.1. Central unit VAMP 221 Figure 1.1.1-1 The central unit VAMP 221 The central unit VAMP 221 contains the following functions: 3-phase overcurrent and arc stage • Alternatively, 2-phase overcurrent, earth-fault and arc •...
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VAM 4C). Connection for a portable arc sensor (VAM 10L , 3LX and • Free placement in the switchgear. • Intra-unit cabling with factory-made modular cable or • instrumentation cable. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
The sensor type offers a cost-effective arc protection • solution Easy to install and repair (after arc faults, for example) • Normal installation involves one sensor in each switchgear • compartment Self-supervised arc sensor • VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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The sensor type offers a cost-effective arc protection • solution The sensor can be installed in a tube, for example, so that • the active light detector sees the monitored zone. Self-supervised arc sensor • VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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The fibre will be installed to go through the supervised • compartments Monitoring the light information with a fibre system is a • cost-effective solution e.g. in low voltage switchgears with several compartments Self-supervised arc sensor • VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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(VAM 10L, VAM 3L or VAM 3LX) using a snap-in connector Cable length 5 metres • The sensor is designed to be attached e.g. to the edge of a • pocket in the technician’s working wear VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
Figure 1.1.4-1 Multiplying relay VAR 4CE Four potential-free electromechanical output trip relays. • Multiplying relay operating time 5 ms • Control either through the I/O unit trip relay or DO output • VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Disconnecting the secondary circuit of a live current transformer may cause dangerous overcurrents! Always observe all national and regional regulations and guidelines. Read any instructions carefully before performing any operations. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
VAMP Ltd Operation and configuration instructions User interface The control and acknowledgement functions of the VAMP 221 arc protection system are mainly carried out using the push buttons on the central unit. Information on equipment status and operation can also be read on the central unit’s display and indicator lights.
Trip 3 Error Current Trip 4 Error code I>int. I>ext. VMAP221_disp Figure 2.1.1-1 Central unit VAMP 221 - display and status indications 1. Operating status indication lights, see section ‘Moving in menus’ normal operation INSTALL system configuration INFO system configuration check...
7. ENTER push button for executing functions 8. Communication port for loading software updates, not needed in normal operation. For more details on the trip relay matrix, see section 3.3 Using programming switches. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
ERROR CODE ERROR CODE Use push-button for Sensor no. or clearing error codes (one error code error code in time) MMI-Guide Figure 2.1.3-1 Moving in the mode menu VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
(zone/address, trip output) in the I/O unit. NOTE! If you unfasten the terminal blocks during installation, remember to tighten the fixing screws after installation! Also tighten the screws even if you did not unfasten the blocks. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
9. Portable arc sensor VA 1 DP connected and operational 10. Portable arc sensor activated 11. I/O unit trip relay activated 12. Terminal block for external communication and BI/O channels and trip signal VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
10. Portable arc sensor activated 11. I/O unit trip relay activated 12. Terminal block for external communication and BI/O channels and trip signal 13. Sensitivity adjustments for each fibre sensor channels VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
6. LED lights indicating that I> stage has started 7. Terminals for three current transformers 8. Current transformer programming switches 9. Overcurrent setting knob (I ), setting range 0.5…6xI 10. Overcurrent setting knob (I ), setting range 0.05…5xI VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
2. Terminals for external operating voltage (+24 Vdc). Can be supplied by central units or I/O units. 3. Terminals for incoming trip signal (external dry contact). 4. Terminals for outgoing trip signals (four potential-free contacts, normally open). VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
The COM indicator light blinks occasionally, indicating communication between units and during installation. The POWER indicator lights of the I/O units must also be permanently lit and the COM indicator light blink during communication. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
Current Trip 4 Error code I>int. I>ext. fron_overcurrent Figure 3.1.2-1 VAMP 221 activated due to overcurrent CURRENT TRANSFORMER L1/L3 L2/Io VAM4c_havahtunut Figure 3.1.2-2 VAM 4C indicates overcurrent on channel L2 VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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The earth fault current/phase 2 current setting value • appears on the screen (I Press the right arrow key to view the phase current • setting value and instantaneous values measured in the current measuring channels. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Error code I>int. I>ext. front_intfault Figure 3.1.3-1 VAMP 221 has detected an internal fault The system’s self-supervision function continuously monitors the operation of the arc protection system. The self-supervision function supervises all the components and cables of the system. When self-supervision detects an internal fault, it activates the SF alarm relay in the central unit and lights the ERROR indicator led.
03 18 First two digits (01,02 or 03) indicate unbalanced phase. For example, fault code “03 18” indicates unbalanced in phase three. Table 3.1.4-1 Self-supervision fault codes VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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• wiring and replace the sensor, if necessary. NOTE! The current I/O unit normally indicates three sensors, even if the number of current transformers connected is only one or two. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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If the light is not lit, measure if the I/O received a • supply voltage of 24 Vdc (X2-1 +24 Vdc, X2-2 GND). If the voltage supply is in order but the light is not lit, replace the faulty I/O unit. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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In this case, replace the faulty sensor. In the overcurrent unit, check the range of the • overcurrent setting and whether the nominal values of the current transformers’ secondary circuits are compatible. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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Check the cable. If necessary, repair or replace the • cable. 2. The central unit connected to the BI/O is faulty. Corrective measures: Check the central units. If necessary, replace a central • unit. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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• current circuit and whether the current travels through them, Once you have found the short circuit, check the status • of the current circuit before removing the short circuit. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
If you have to change the switch positions once the supply • voltage has been connected, disconnect the supply voltage to the unit in question for the duration of the programming and re-configure the system. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
7 and 7 determine the relay connection matrix. In and 7 the matrix the arc trips in different zones can be directed to two separate tripping groups (see Figure 3.2.1-1). VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
I/O unit 32 + 7 = 39). NOTE! Do not use 32 as the unit address if system have central unit. Other programming switches have different functions in different units, as described below. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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Switch 3 determines the arc trip criteria. When the switch is in Switch 3 Switch 3 ON position the trip is based on light information only; in OFF position both fault currents exceeding the current limit and light information are required. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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1A / 5A * Position ”0” (switch down): rated secondary current of the current transformer is 1 A Position ”1” (switch up): rated secondary current of the current transformer is 5 A VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
*) As in CT 3.3. Adjusting the overcurrent setting In the VAM 221 Arc Protection System all the overcurrent settings are expressed as multiples of the secondary rated current. For example, with a secondary selection of 5 A, the setting value 1.5 corresponds to a current of 7.5 A in the secondary circuit of the circuit breaker.
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The principles for changing the current setting in VAM 4C units are the same as for the central unit. You can see the estimated current setting from the led bar on the right side of the unit. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Have all the I/O units been assigned individual addresses • before the supply voltage is connected? before the supply voltage is connected? before the supply voltage is connected? before the supply voltage is connected? VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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Check the configuration in the INFO mode according to • section 3.4.1. When configurating arc protection system with multiple • central units, disconnect I/O-units from central units in slave mode during their installation procedure. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
If the numbers are not the same, see section 3.1.3. NOTE! Checking system configuration will not affect the configuration stored in the central unit's memory. If you wish to modify the configuration, see section 3.4. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
(see 3.4) Has any other protection or measuring equipment been • connected to the current measuring circuits? Have any sensors been placed near live components? • VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Ensure the selectivity of the protection zones. • 4.3. Periodic commissioning We recommend that VAMP 221 arc protection system functionality shall be tested every five years or according to the law. VM221.EN013 VAMP 24h support phone : +358 (0)20 753 3264...
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Operation and configuration instructions N am e of station: Sw itchgear: D ate of com m isioning Com issioners: Standards used: V A M P 221 serial num ber T ripping from L ight Current current and D oes the unit Sensor...
1.2. Main properties VAMP 221 is a modular system consisting of a central unit, I/O units, arc sensors and possible multiplying relays. Due to its modularity, the system is suitable for a range of arc...
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The multiplying relay VAR 4CE contains four normal open trip The multiplying relay VAR 4CE The multiplying relay VAR 4CE relays. The multiplying relay can be connected to the central unit or to I/O units. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
L1 / L3 0.8 … 6 Current criteria setting value for current channels L1 and L2 L2 / Io 0.05 … 5 Current criteria setting value for current channel L2/Io VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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L1 / L3 0.5 … 6 Current criteria setting value for current channels L1 and L2 / Io 0.05 … 5 Current criteria setting value for current channel L2/Io VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
In CBFP, TRIP 2 provides CBFP if master unit measures overcurrent and any light zone is activated. TRIP 4 provides CBFP if overcurrent information comes from other unit e.g. VAM 4C and any light zone is activated. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
2.3. Output relay functions The central unit VAMP 221 has four trip relays, which can be controlled as two tripping groups (two contacts in each group). One contact in each group can be used to trip the CBFP stage.
(depending on the unit) on the BI/O bus. VAMP 221 can send BI/O information to two central units or two protection relays. If there are more than two recipients of BI/O information or the length of the BI/O bus exceeds 100 m, the BI/O bus must be equipped with a line amplifier as shown in the figure below.
Trip information earth 2.5.3. Connection to protection relay The VAMP 221 Arc Protection System can also send light or current criteria to other VAMP protection relays, if they are equipped with an arc protection circuit board (optional). The voltage level of the connected signal must be 48 V dc, which means the I/O units alone cannot send their signals directly to the protection relay.
3.1.2. System components The system configuration comprises the following components: • one (1) VAMP 221 central units • two (2) VAM 4C current I/O unit • three (3) VAM 3L fibre I/O units • two (2) VAR 4CE multiplying relays •...
Position ”1” (switch on the right) central unit in sub-unit mode Since VAMP 221 serves as the central unit for I/O units, VAMP 221 must be in the central unit operating mode. Current pick- - - - u u u u p setting potentiometer settings L1/L3 and L2/I...
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0.05 … 5 x I . This current setting is separate from the I setting. NOTE! If three phase currents are connected to the I/O unit, both L1/L3 and L2 settings must be made. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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Address weighting coefficient 1 VAM 3L (2) unit address 0 (protection zone 1) VAM 3L (4) unit address 8 (protection zone 2) VAM 3L (5) unit address 16 (protection zone 3) VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
NOTE! For general testing instructions, see the Implementation and Configuration Guide, Chapter 4. Testing of the central unit VAMP 221 (1) The system is configured in INSTALL mode once the settings of each system component have been completed. You can verify the system configuration against the physical connections in the INFO mode.
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Fill in a testing report (see model report in the User’s Manual) during the test. Close the hard wire connection terminals opened during testing and remove temporary connections. The system is ready for commissioning. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
3.2.2. System components The system configuration comprises the following components: • one (1) VAMP 221 central units • one (1) VAM 4C current I/O unit • two (2) VAM 10L current I/O units • sixteen (16) VA 1 DA light sensitive elements VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Position ”1” (switch on the right) central unit in sub-unit mode Since VAMP 221 serves as the central unit for I/O units, VAMP 221 must be in the central unit operating mode. Current pick- - - - up setting potentiometer setti...
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L1/L3 and L2/I up setting potentiometer settings L1/L3 and L2/I up setting potentiometer settings L1/L3 and L2/I 0 0 0 0 L1 / L3 L1 / L3 L1 / L3 L1 / L3 VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Technical description 3.2.4. System testing Testing of the central unit VAMP 221 (1) The system is configured in INSTALL mode once the settings of each system component have been completed. You can verify the system configuration against the physical connections in the INFO mode.
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Fill in a testing report (see model report in the User’s Manual) during the test. Close the hard wire connection terminals opened during testing and remove temporary connections. The system is ready for commissioning. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
(tripping group 1) if the current limit is exceeded. The trip has been multiplied with a relay (16). In addition, the central unit (2) trips the circuit breaker between VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
3.3.2. System components The system configuration comprises the following components: • four (4) VAMP 221 central units • one (1) VAM 4C current I/O unit • eight (8) VAM 10L current I/O units • a maximum of eighty (80) VA 1 DA light sensitive elements •...
Position ”1” (switch on the right) central unit in sub-unit mode Since VAMP 221 (1 and 3) serves as the central unit for I/O units, VAMP 221 (1 and 3) must be in the central unit operating mode. VAMP 221 (2 and 4) must be in the sub-unit operating mode.
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0.05 … 5 x I . This current setting is separate from the I setting. NOTE! If three phase currents are connected to the I/O unit, both L1/L3 and L2 settings must be made. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
VAM 10L (7,12) unit address “24” (protection zone 4) 3.3.4. System testing Configuration of the central unit VAMP 221 (1, 2, 3, The system is configured in INSTALL mode on central units in the central unit mode once the settings of each system component have been completed.
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Verify the operation of the BI/O bus information from one system to another. Verify the trip circuit wiring by tripping each system circuit breaker at least once using the system’s output trip relay. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
L2/I current measuring channel. (Figure 3.4-1) An alternative, more accurate, method is to connect a current transformer that measures earth-fault current directly to the L2/ I current measuring channel. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
The output trip relay of the arc I/O units (VAM 10L and VAM 3L / VAM 3LX) operates during faults in its own zone. In the current I/O unit (VAM 4C), select the protection zone controlling the I/O unit using the programming switches. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
COM1 X1: T3 Fiber transmitter 3 T1 (no) COM2 X2:15 X2:16 DI & DO X2:7 DI in GND X2:8 DI in +24..+48V X2:9 DO out GND X2:10 DO out +24V VAM3L_block VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
0.05 X2:15 x In X2:16 L1,L3 L2/Io DI & DO X2:7 DI in GND 1 2 3 4 X2:8 DI in +24..+48V X2:9 DO out GND X2:10 DO out +24V VAM4C_block VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
COM2 X1:20 ARC channel 10 T1 (no) DI & DO X2:15 X2:7 DI in GND X2:16 X2:8 DI in +24..+48V X2:9 DO out GND X2:10 DO out +24V VAMP 255 VAMP221_application2 VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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On request we can deliver following stickers which are recommended to be attached on the I/O units manufactured before 11 March 2005. Figure 5-2 Sticker for I/O units delivered before 11 March 2005. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Rated voltage U 24 V dc Power consumption < 0.5 W (in normal mode) < 4.5 W (output relays activated) Terminal: Maximum cross-section area of wire - fixed terminal 2.5 mm (13-14 AWG) VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Internal operating voltage 24…48 V dc (BIO in) 24 V dc (BIO out) Load capacity (max.) 5 mA Terminal: Maximum cross-section area of wire 2.5 mm (13-14 AWG) - Phoenix MVSTBW or similar VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
At 48 V dc: At 110 V dc: 0.44 A At 220 V dc: 0.22 A Relay material AgCdO Terminal: Maximum cross-section area of wire 2.5 mm (13-14 AWG) - Phoenix MVSTBW or similar VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
At 220 V dc: 0.05 A Relay material AgCdO Terminal: Maximum cross-section area of wire - Phoenix MVSTBW or similar 2.5 mm (13-14 AWG) *) Relay IF is the unit's self-supervision relay VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
Arc protection system VAMP Ltd Technical description 6.1.6. Communication bus interface Number of ports 2 in the back plate (VAMP 221) 2 in the front panel (I/O units) Electrical connection RJ 45 Max. number of used units 16 I/O units...
Environmental conditions Operating temperature range -10 … +55°C Transport and storage temperature range -40 … +70°C Relative air humidity <75% (1 year, average) <90% (30 days per year, condensation not allowed) VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
Circuit breaker failure protection stage (50BF) Monitored relay One relay in the tripping group (Trip 2 or Trip 4) Operating time 100 ms or 150 ms 6.4. Unbalance alarm Detecting limit Operating time 10 s VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
Arc protection system VAMP 221 Technical description 7.1.3. VAR 4CE 4 CE 35 mm DIN rail VAR4CE_mittakuva 7.1.4. VA 1 DA 22,20 mm 20,00 mm 14,00 25,00 8 mm 4,20 mm VA1DA_mittakuva VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
7.2.1. VAMP 221 The central unit is designed for flush mounting. Spacing adapters for reducing the installation depth are available on request. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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• connections to I/O units (data communication and auxiliary supply) • connections to other central units or protection relays NOTE! The auxiliary supply connection is different to VAMP 220! In VAMP 221 the auxiliary supply is connected to terminals X3:17 and X3:18.
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18, X1-19 (normally open). During normal system operation (no internal fault) and with the auxiliary power supply connected, the terminal X1-17 or X1-18 is open and X1-18 or X1-19 is closed. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
35 mm DIN 157,00 mm 25,00 mm VAM_series_mittakuva Figure 7-1 Dimensions and mounting of an I/O unit VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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VAM 3 L) operates during faults in its own zone. In the current I/O unit (VAM 4 C), select the protection zone controlling the I/O unit using the programming switches. If several trips are required, the multiplying relay VAR 4CE can be used. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
5 meters. Due to the wide detection range of the sensors and the light reflection inside the switchgear, the mounting position is not critical. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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4-mm screw. Active part of sensor Cable clamp Fastening screw 4x15 mm Cable of sensor VA1DA_asennus Figure 7.2.3-1 Mounting the arc sensor VA 1 DA VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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NOTE! The sensor must not be exposed to direct sunlight or other strong light. Do not mount the sensor directly under a light source. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
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A pin sensor operates in the same way as a fixed arc sensor. The only difference is free mobility within the limits of the connecting cable. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
• Connect the required trip output to terminals 5,7 or 6,8 in the multiplying relay. • Connect the necessary trip controls to terminals TRIP1 - TRIP4 of the multiplying relay. VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
The multiplying relay VAMP 4R can be used when additional trip outputs are needed. VAMP 4R comprises 4 N/O contacts and 4 N/C contacts. They are divided into two separate groups which can be independently controlled by e.g. the binary output of the I/O units or the central unit ( VAMP 221 ).
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To obtain transfer of overcurrent information between central units: • Connect the systems using the BI/O terminals X3-10 (+). • Connect the terminals X3-13 or 14 (GND). NOTE! Note the polarity of the cables. VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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See Chapter 3.3 for an application example. The system's I/O units should be connected to the central units in the same zone. Figure 7.2.6-1 Arc protection system with two central units (example) VAMP 24h Technical Support: +358 (0)20 753 3264 VM221.EN013...
Arc protection system VAMP Ltd Technical description Appendix/ Earthing instruction The earthing instruction for VAMP 221: the following mentioned I/O units should be earthed to switchgear earth as below: ALT 1. REM ! If the earthing potential varies in the switchgear installation, the earthing should be done from master (VAMP221), in parallel with the communication cable (VX001).
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VAMP Ltd Arc protection system VAMP 221 Technical description ALT 2. If the switchgear earthing solid ! VM221.EN013 VAMP 24h Technical Support: +358 (0)20 753 3264...
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We reserve the right to changes without prior notice VAMP Ltd. Visiting address: Yrittäjänkatu 15 Tel: +358 20 753 3200 Postal address: Fax: +358 20 753 3205 P.O.Box 810, FIN-65101 Vaasa, Internet : www.vamp.fi Finland Email. vamp@vamp.fi VM221.EN013...
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