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Installation manual 2N® Analog Vario

18

 /  

77

Installation type

Symbol

What you need for installation

Indoor, on surface

2N

® 

Analog Vario

 only

Indoor, flush mounting

2N

® 

Analog Vario 

box with 1-module frame 

9135351E

 or box with 2-module frame 

9135352E

Outdoor, on surface

2N

® 

Analog Vario

 Surface 1-module roof 

9135331E

 or Surface 2-module roof 

9135332E

Outdoor, flush mounting

2N

® 

Analog Vario

 Wall mounting box with 1-

module roof 

9135361E 

or Wall mounting box 

with 2-module roof 

9135362E

Indoor application means

Indoor areas with a low relative air humidity 
(e.g., hallways, offices and other heated 
rooms).

Indoor areas where 

humidity condenses

 on 

walls 

but never flows down the walls

(porches, storage areas, industrial areas, 
e.g.).

Outdoor areas where 

protection against 

rain and water flowing down the wall is 
provided

 (sheds, passages. e.g.).

Outdoor application 
means

Environments where the product is exposed 
to rain or where water may flow down the 
walls (fence, outer wall of a building, e.g.).

Caution

The warranty shall not apply to product failures and defects caused by improper 
installation (contrary to these instructions). The manufacturer is neither liable for 
damages caused by theft within an area that is accessible after the attached 

Содержание 9135110E

Страница 1: ...Installation manual 2N Analog Vario v 1 6 www 2n com ...

Страница 2: ...lation 2 4 Camera Installation 2 5 Extending Module Connection 2 6 Buttons Labels Insertion Replacement 2 7 Mounting Completion 3 Function and use 3 1 Programming 3 2 Full Parameter Chart 3 3 Function Description 3 4 Section for Advanced Users 3 5 Maintenance 3 6 Downloads 4 Technical Parameters 4 1 Obecné výkresy 5 Supplementary Information 5 1 Troubleshooting 5 2 Directives Laws and Regulations ...

Страница 3: ... using any telephones keypad by tone dialling the password In addition to the buttons you can use a numerical keypad which is used as a code lock Using the keypad you can operate the device as a button telephone and dial the required numbers directly or retrieve them from any of the 54 memories available You can disable non desired functions 2N Analog Vario provides improved and feature rich optio...

Страница 4: ... plates Electronic volume and Hands Free control no need to open cover Operates on any analogue telephone line Stable line power feeding High acoustic quality Special functions includes automatic dialling of multiple numbers silent dialling departure arrival day night mode second switch delay 1 1 Components and Associated Products Main and Extender Units Part No 9135110E Main unit 1 button Caution...

Страница 5: ...Installation manual 2N Analog Vario 5 77 Part No 9135130E Main unit 3 buttons ...

Страница 6: ...Installation manual 2N Analog Vario 6 77 Part No 9135160E Main unit 3 2 buttons Part No 9135110KE Main unit 1 button keypad ...

Страница 7: ...Installation manual 2N Analog Vario 7 77 Part No 9135130KE Main unit 3 buttons keypad Part No 9135160KE Main unit 3 2 buttons keypad ...

Страница 8: ...Installation manual 2N Analog Vario 8 77 Part No 9135310E Info panel backlit button less panel used for the telephone directory house number etc Part No 9135181E Extender unit 8 buttons ...

Страница 9: ... 2 buttons Part No 9135311E Info panel name plate Replaces four name plates with one cover Enables the use of one half of the extender unit for the telephone directory opening hours etc Part No 9135301E Spare button name plate Part No 9135302E Spare double button name plate ...

Страница 10: ...plemented with a camera proximity reader see later and display under preparation Additional accessories see later are needed for outdoor flush mounting purposes Installation Accessories Part No 9135331E Surface 1 module roof Dimensions 103 218 60 mm W H D Part No 9135351E Wall mounting box with 1 module frame Dimensions 125 235 46 mm W H D Wall hole 110 220 50 5 mm ...

Страница 11: ...Installation manual 2N Analog Vario 11 77 Part No 9135361E Wall mounting box with 1 module roof Roof dimensions 129 240 41 mm W H D Wall hole 110 220 50 5 mm ...

Страница 12: ...135362E Wall mounting box with 2 module roof Roof dimensions 229 240 41 mm W H D Wall hole 210 220 50 5 mm The mounting accessories are made of marine grade stainless steel For outdoor applications the use of the roof is required unless weather protection is provided otherwise The box with frame without roof allows for installation of 2N Analog Vario in indoor applications so that the unit does no...

Страница 13: ...E In built colour CCD camera PAL resolution 420 TV rows sensitivity 2 lux Camera can be built in any basic unit In the case of poor light the camera switches into the monochrome mode automatically Supplementary infrared light Horizontal vertical tilting option Electric Locks Part No 932070E BEFO 1211 12 V 600 mA Part No 932080E BEFO 1221 with momentum pin ...

Страница 14: ... and breaking contact option time unlimited switching up to 48 V 2 A Additional switch with exit button feature 9135251E NO NC contacts time unlimited switching up to 48V 2A Exit button time adj 1 6 sec Part No 932928 12 V Transformer 230 V 12 V Part No 91341481E 12 V 2 A adapter A stabilised power supply must be used if a camera is installed It can also feed the lock and backlight ...

Страница 15: ...io telephone connection made e g by a pressing a button Incoming call telephone 2N Analog Vario connection Programming mode 2N Analog Vario programming mode accessible from by dialling into the intercom only Code lock mode for entering the password for switch 1 or 2 activation using a numerical keypad Telephone mode you can make a call dial a number and hang up using the numerical keypad DTMF tran...

Страница 16: ...l Safety Always abide by this information to prevent persons from injury Warning Always abide by this information to prevent damage to the device Caution Important information for system functionality Tip Useful information for quick and efficient functionality Note Routines or advice for efficient use of the device ...

Страница 17: ...tion 2 1 Before You Start Product Completeness Check Please check the contents of your delivery 1 2N Analog Vario unit 1 Quick installation guide 1 User Manual on a CD 1 Hexagonal wrench 2 5 1 Transparent name plate foil of size A5 1 Spare name plate 2 Screws 2 Dowels 2 2 Mechanical Installation Overview of Installation Types An overview of the installation types and the list of the required compo...

Страница 18: ...r areas with a low relative air humidity e g hallways offices and other heated rooms Indoor areas where humidity condenses on walls but never flows down the walls porches storage areas industrial areas e g Outdoor areas where protection against rain and water flowing down the wall is provided sheds passages e g Outdoor application means Environments where the product is exposed to rain or where wa...

Страница 19: ...cording to the template included in the 2N Analog Vario supply Insert the included dowels in the wall holes electric lock is switched The product is not designed as a burglar protection device except when used in combination with a standard lock which has the security function ...

Страница 20: ...he lower part of the metal cover and fold out the cover Use a cross head screwdriver to remove the plastic cover and demount the cover Warning Never remove the main board or camera electronics from under the lower cover while installing 2N Analog Vario Do not disconnect the camera flat cable from the main board Do not bend and press upon the flat cable either ...

Страница 21: ...upply cables Ethernet lock power cables to the basic module box through one of the holes Seal the screw hole carefully with some cement or non aggressive silicone to avoid water infiltration While installing a roof module paste its top and side edges to the wall using silicone glue to prevent water from flowing into the box along or around the cables Warning Make sure that the mounting surface for...

Страница 22: ...rly inside and that none of them obstructs a perfect cover closure Make sure that the three loudspeaker holder feet fit into the board holes Keep the required loudspeaker position to make the seal work properly Having mounted the unit on the wall and connected all cables replace the plastic cover using cross recessed screws Take out the name plates from the plastic cover Use a flat bladed screwdri...

Страница 23: ...in the top groove of the plastic cover A spare seal package is included Close the metal cover and fix it with screws Outdoor Installation Rules Always connect button backlighting it is used for heating The joint between the roof module and the wall must be filled with a waterproof cement to prevent water in leak see Figure 2 5 Water must not leak in along or around the cables Warning Make sure tha...

Страница 24: ... be connected to an analogue line or the GSM interface providing a wireless installation Connection to Telephone Line Connect 2N Analog Vario simply using LINE terminals The advantage is that 2N Analog Vario requires no power supply because all power is fed from the telephone line except for the button backlight and electric lock if connected Nevertheless 2N Analog Vario can work without these cir...

Страница 25: ...ctions Microphone connector Keypad connector Extension unit connector Serial number Main microprocessor Configuration jumper block Right connector Jumpers Camera connector Camera setting jumpers Loudspeaker connector and panel grounding PCB Layout Version 10 PCB Layout Version 14 Description of Terminals GND This terminal protects 2N Analog Vario against static electricity damage SW1 Switch 1 desi...

Страница 26: ...y with arbitrary polarity The power supply can feed the electric lock too LINE These two terminals are connected to the analogue telephone line with any polarity VIDEO Video signal output used only if a camera unit is included The coaxial cable is connected with an internal conductor to with shielding to ...

Страница 27: ... to the instructions enclosed to the camera unit Parallel Connection Parallel connection of multiple telephone sets was commonly used in the era in which telephone lines were rare It carries unnecessary risks to connect the unit in this way It is in no case recommended to connect 2N Analog Vario in parallel to another telephone or another 2N Analog Vario door communicator It is neither admissible ...

Страница 28: ... supplied The ac supply is more advantageous because the lock buzzes which is the clearest signalling method however to use a dc supply lock from batteries e g you are recommended to equip 2N Analog Vario with acoustic signalling continuous tone during the whole switch activation time Typical Backlight Power Supply 2N Analog Vario features a high quality white LED name plate backlight This backlig...

Страница 29: ...entioned currents are maximum values at 12V Cable Arrangement inside the Cover We recommend you to use a UTP cable 8 wire approx 5 5 mm output diameter for 2N Analog Vario connection Push the cable into the groove on the left side of the cover If you combine this cable with another one e g the electric lock 2 wire cable insert the 2 wire first and then the UTP cable to prevent the 2 wire cable fro...

Страница 30: ...luminate the button backlight see the figure below Other reasons for such connection are the effort to minimise consumption from the back up supply which supplies the lock not the backlight or just that two weaker power supplies are available Connection of Switch 2 A new additional switch Part No 9135250E has been designed for 2N Analog Vario It can be mounted into any basic unit as an added optio...

Страница 31: ...ry in a chain pattern every additional unit is connected with the previous one Each extending module has two connectors an input connector for connection towards the 2N Analog Vario basic unit and an output connector for connection of another more remote unit Be sure to maintain the correct orientation of the units and avoid connector mismatch to ensure a proper function of the device Module Cable...

Страница 32: ...nnection to Basic Unit Caution Extension modules must be interconnected by mounting jumper tunnel delivered together with each extension unit This part is made from conductive plastic If it is necessary to place extender unit at some distance or if you lost the jumper you must interconnect metallic covers by another way ...

Страница 33: ...ion manual 2N Analog Vario 33 77 Maximum Count of Extenders 9135181E 1 8 buttons 6 5 4 3 2 1 0 9135182E 2 8 buttons 0 0 1 1 2 2 3 The table above shows how to combine modules with single whole and double buttons ...

Страница 34: ...alog Vario metal cover To do this use a hexagonal key unscrew the screw as shown in the figure and take the cover off Caution Installing the info panel name plate order No 9135311E into any of the extending modules will not change the numbering system the buttons on the info panel sides will remain functional Connecting the info panel module order No 9135310E will result in omission of eight numbe...

Страница 35: ...re Insert the labels printed on foil see later Replace the name plate inserts Put the name plates back in the depression and click into position The name plates keep the matt foil steady Replace and screw on the metal cover Note You can remove the name plates even without removing the metal cover however damage if any incurred as result of this is not covered by the warranty ...

Страница 36: ...inted with a laser printer Cut the printed foil into pieces and insert the labels into the name plates Do not use paper to avoid water logging Make sure that the text does not cover up the red arrows printed on the name plate we recommend you to print the foil using a template MS Word available at www 2n cz in section Downloads direst link Template name tags ...

Страница 37: ...er and find the obstacle Then tighten the corner screws properly Mounting the metal cover follow the steps included in the subsection dedicated to name plate removal Make sure that the cover fits well and is perfectly flat If its bottom part is loose the mounting wall is probably uneven Support the corners to avoid 2N Analog Vario bending Most Frequent Mounting Errors For illustration a part of th...

Страница 38: ...Installation manual 2N Analog Vario 38 77 ...

Страница 39: ...Installation manual 2N Analog Vario 39 77 ...

Страница 40: ...ng the programmed numbers for correctness All parameters are stored safely in the non volatile EEPROM memory The memory capacity does not limit the count or length of numbers passwords etc This means that altogether 324 memories for 16 digit telephone numbers 54 Arrival Departure password memories 20 switch password memories etc are available Entering Programming Mode You can enter the programming...

Страница 41: ... and 822 individually The default status is a single password in the list namely 00 for switch 1 and 11 for switch 2 These two special passwords cannot be entered from the 2N Analog Vario keypad To cancel them you have to remove them from the list or Function 997 deletes the entire password list for both switches including the passwords 00 and 11 Function 999 deletes the entire password list for b...

Страница 42: ...rt Deleting All Passwords All Memories Complete Initialisation The following three functions facilitate your programming by clearing all previous settings 997 deletes the entire password list for both switches including passwords 00 and 11 998 deletes memories of all buttons 01 54 plus Arrival Departure and Day Night passwords 999 clears the whole memory and resets the default values see the chart...

Страница 43: ...11 to 546 All button memories Up to16 digits blank Note 1 The 02x parameter is always programmed for the singlebutton model 2N Analog Vario Digits 0 9 can only be entered directly into the memories Special characters are entered additionally using function XX7 017 to 547 Enter special chars and space 018 to 548 Count of automatic dialling cycles 0 9 0 off 019 to 549 Arrival Departure password up t...

Страница 44: ...812 Delete valid switch 1 passwords Valid pass word Deletes individual valid switch 1 passwords 822 Delete valid switch 2 passwords Deletes individual valid switch 2 passwords 813 Switch 1 closing time 0 9 s 5 s 0 switch disabled 823 Switch 2 closing time 0 9 s 5 s 0 switch disabled 824 Switch 2 delay 0 25 s 0 0 switch 2 is not synchronised with switch 1 901 Dialling type 0 1 0 tone 1 pulse 40 60 ...

Страница 45: ...all is from the intercom 911 Count of rings before incoming call answering 1 99 2 Warning No connection is established if a higher value is entered than as allowed in the PBX ringing timeout 912 Max call duration 1 99 12 120 s Range of 10 s 990 s 913 Log in timeout 1 99 3 3 30 seconds 915 Hang up time between calls 5 99 15 1 5 s 921 Code lock mode 0 1 1 enabled 0 disabled 1 enabled For details on ...

Страница 46: ...3 Reception volume 0 15 7 15 Maximum reception volume 934 Transmission volume 0 15 7 15 Maximum transmission volume 935 Message volume 0 15 7 15 Maximum message volume 936 Beeping volume 0 12 12 12 Maximum tone volume 937 DTMF hearing side tone volume 0 3 3 3 Maximum DTMF volume 938 Loudspeaker volume 0 15 7 15 Maximum loudspeaker volume 941 Minimum continuous tone time 10 99 20 2s If the tone is ...

Страница 47: ... duration 0 255 70 0 7s 944 Maximum tone pause difference 0 255 10 0 1s 945 Minimum count of busy tone periods 2 9 4 946 Dual tone detection setting 0 10 4 440 Hz All continuous busy and ringing tones are detected Dual tones are detected if one of their components is between 400 and 500 Hz If both components are in this range set a lower detection value Set 0 for 400 Hz and 10 for 500 Hz This sett...

Страница 48: ... 10 100 60 6 s 954 Count of ringing periods 1 99 10 If the preset count of periods is exceeded the call is terminated If the preset count of periods is exceeded and automatic dialling is enabled another attempt follows In the event of Automatic Dialling without Confirmation the ringing tone is recognised and ends before the preset count of periods is exhausted the call is regarded as successful 96...

Страница 49: ...mber 16 digits The number enables intercom identification 975 Message options for automatic multiple number dialling 2 digits 55 1st digit type of message repeated after dialling 2nd digit type of message after confirmation The following digits are used 2 identification 974 loud speaking 4 identification 974 DTMF 5 message as defined in par 977 after confirmation by par 976 7 confirming tone after...

Страница 50: ...er function Parameter Name Range Default Note 976 language selection for a message 0 8 1 0 1 English 2 3 4 German 5 7 8 Portuguese 9 Dutch10 99 silence Note See Survey of messages in Subs 4 2 Caution Czech version has language order 1 Czech 2 English ...

Страница 51: ... memories 12345 Clears memories 01 to 55 999 Full initialisation 12345 Warning Changes the service password too setting the default value of 12345 Notes Terminology For the purpose hereof parameter means a value that is stored in the 2N Analog Vario memory and can be re programmed Function is a means of execution of another service such as initialisation software version identification and so on 1...

Страница 52: ...ake switch 2 activate automatically with a defined delay if switch 1 is activated Useful where two doors are close to each other The numbers in the figure are parameter numbers The parameters can be set to overlap activation of the two switches Explanation of Parameters 951 952 953 Ringing tone example Explanation of Parameters 942 943 944 Busy tone ...

Страница 53: ... 2N Analog Vario unit is connected to a telephone system you may be able to tag the port that 2N Analog Vario is connected to so that you can see on the ringing phone that it is 2N Analog Vario that is calling When the called party answers the call the visitor and tenant can speak to each other and If an electric lock is connected to 2N Analog Vario the called person can open the door by entering ...

Страница 54: ...ches program 2N Analog Vario see later and listen to what is going on outside and speak to the calling party if desired Door opening 2N Analog Vario contains a switch to which an electric lock can be connected not included in this pack This switch can be telephone keypad controlled using a digital password in two ways as shown in the default password 00 example below or Notes If the visitor presse...

Страница 55: ...to the door opening sound etc until the switch is deactivated Upon deactivation you can hear the storing signal see the Signals Overview Call extension 2N Analog Vario beeps 10 seconds before the call end to extend the call by 30 seconds press on your telephone DTMF You can use this function repeatedly The visitor however cannot use this function Programming The access to this mode is password pro...

Страница 56: ...eard from the loudspeaker after line connection first connection signalling Signals an incoming call if 2N Analog Vario has not been programmed When a disabled function has been entered from the keypad Storing Signals switch deactivation if activated by DTMF Hang up Sent to notify that the call is terminated in all cases Long continuous tone Signals that the unit is going through full initialisati...

Страница 57: ...elapsed A 2N Analog Vario button was pressed during the call The keypad button was pressed during the call can be disabled The communicator is able to detect a permanent tone busy tone and ringing tone even if the tone has two frequency components as in the UK the U S A the so called BTT tone and in Canada This new function does not require setting of any parameter One of the tone components must ...

Страница 58: ...MF Transmission during Outgoing Call This function enables the unit to transmit DTMF tones when the connection with one of the pre programmed numbers has been established It is used in combination with automatic information systems voice mailboxes etc which ask the calling party to select a service using tone dialling This function however does not allow you to call destinations other than the pre...

Страница 59: ...oor opening code lock Enter any valid password for switch 1 and Warning Password 00 may not be used Switch 2 activation Enter any valid password for switch 2 and Warning Password 11 may not be used Traditional button telephone gets 2N Analog Vario ready to dial a number Dials a number Transmits into tone dialling during pulse dialling Transmits a character in tone dialling Hangs up anytime during ...

Страница 60: ...itches be activated at the same time While one switch is activated the other can be activated by another password You can also use parameter 824 Switch 2 delay defining the shortest delay time possible 1second and a sufficiently long switch activation time Can I use the code lock while another person is speaking through 2N Analog Vario Yes but this is not advisable as you should be aware that the ...

Страница 61: ...y or ringing tone Y Y Y Y Switch activation DTMF password Programming start Y Keyboard letters facilitate password remembering For example it is easier to remember a 9 letter word e g crocodile than a 9 digit number 276263453 It is not recommended to use such passwords as 3333 This leads to a considerable wear and tear of one button and an unauthorised person may guess your password easily It is i...

Страница 62: ...f pulse dialling is selected it is possible to switch into tone dialling by pressing but not vice versa 3 4 Section for Advanced Users Automatic Multiple Number Dialling When you press a 2N Analog Vario button you may find out that the called line is busy or the called party is absent 2N Analog Vario is able to identify these situations and solve them by Automatic Multiple Number Dialling if one o...

Страница 63: ...ltiple Number Dialling without Confirmation This mode can be used in common cases to enable the visitor to get through even if the called line is busy or the called subscriber is absent Hence the second memory of the button may include the secretary s number the third memory the porter s lodge number etc This mode recognises the ringing tone and if the tone ends before the predefined count of ring...

Страница 64: ...le Regarded as a successful call continues for the maximum timeout maximum call duration For details refer to the text under the table Ringing tone 10 rings are made the count of rings is variable Hangs up and dials the next number to These digits are interpreted as password beginning Call extension or password beginning Hang up command If the ringing tone stops before the predefined count of ring...

Страница 65: ...the next number in the sequence Evaluation of Situations in Audible Automatic Dialling with Confirmation Situation 2N Analog Vario Action Busy tone Hangs up in approximately 2 seconds and dials the next number Call or silence Waits for the preset timeout log in time then hangs up and dials the next number Ringing tone Waits for the preset count of rings then hangs up and dials the next number Cont...

Страница 66: ...o Identification There are situations in which the calling person does not want to or cannot speak for security reasons in the automatic dialling mode In these cases 2N Analog Vario can play back a message stored in its memory The test series includes the Wait please connection is being established message Later more messages will be available to the user Note It is sometimes difficult to recognis...

Страница 67: ...until the end of timeout and any of the following commands can be used Message muting during playback Warning You may not speak while 2N Analog Vario is playing back the message Message re plays once or Call extension a call is extended by 30 seconds by this command Can be used repeatedly or Call termination to These digits are interpreted as a password beginning for switch control Notes These com...

Страница 68: ...ue of parameter 976 Language selection English version End of call message Outgoing call message ID message Parameter 975 must contain digit 2 3 or 5 Confirmation message Parameter 975last digit 5 0 Tone signal off off 1 defaultvalue English Attention your call is being terminated Communicator number is calling Connection confirmed 2 German Achtung das Gespräch wird beendet Es ruft das Notruftelef...

Страница 69: ...rture Arrival passwords How does switching work Every button has memories for 6 numbers intended primarily for Automatic Multiple Number Dialling If the Automatic Multiple Number Dialling mode is OFF memory 1 is used for the Day mode and memory 3 for the Night mode This is a simple two number switching If the Automatic Multiple Number Dialling mode is ON memories 1 2 3 4 5 6 are used for the Day m...

Страница 70: ...sful Mrs Johnson s mobile phone 3 5 Maintenance Cleaning If used frequently 2N Analog Vario especially the keypad gets dirty To clean it use a piece of soft cloth moistened with clean water We recommend you to obey the following principles while cleaning Never use aggressive detergents such as abrasives or strong disinfectants Clean the device in dry weather in order to make waste water evaporate ...

Страница 71: ...Installation manual 2N Analog Vario 71 77 3 6 Downloads Templates Nametags ...

Страница 72: ... V 16 V I 25 mA I 50 mA Lead current while hang up 25 μA U 60 V Off hook AC impedance 220 Ω 820 Ω 115 nF parallel 20 to 60 mA Return loss 10 dB 20 to 60 mA Bandwidth 300 to 3500 Hz 20 to 60 mA Ringing impedance 2 kΩC 1 μF 25 to 50 Hz Ringing detector sensitivity 10 to 20 V 25 to 50 Hz Time of response to ringing Variable Pulse dialling 40 60 ms 20 to 60 mA DTMF level 6 and 8 dB 2 dB 20 to 60 mA DT...

Страница 73: ...ction speed Variable 350 to 500 Hz Overvoltage protection common mode 1000 V 8 20 μs Overvoltage protection between A B conductors 1000 V 8 20 μs Other Parameters Switch max voltage 48 V AC DC Switch min voltage 9 V AC DC Switch max current 2 A AC DC Backlight rated voltage 12 V Backlight max voltage 14 V Backlight current consumption Up to 1 A Working temperature 20 C to 60 C Coverage IP 53 Dimen...

Страница 74: ...Installation manual 2N Analog Vario 74 77 4 1 Obecné výkresy Surface mounting Flush mounting ...

Страница 75: ...instructions and recommendations included herein Any use of the product that is in contradiction with the instructions provided herein may result in malfunction damage or destruction of the product The manufacturer shall not be liable and responsible for any damage incurred as a result of a use of the product other than that included herein namely undue application and disobedience of the recommen...

Страница 76: ... software protection of the product The manufacturer shall not be held liable and responsible for any damage incurred as a result of the use of deficient or substandard security software The consumer shall without delay change the access password for the product after installation The manufacturer shall not be held liable or responsible for any damage incurred by the consumer in connection with th...

Страница 77: ...Installation manual 2N Analog Vario 77 77 ...

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