MAXIMUS MHX, MAXIMUS MHXT Explosion-proof stainless steel housing EN English - Instructions manual
Contents ENGLISH 1.1 Typographical conventions................................................................................................................................... 7 2 Notes on copyright and information on trademarks................................................... 7 3 Safety rules..................................................................................................................... 7 3.1 ATEX-IECEX certificate details.........................................................
7.3.5 Connection of the camera to the power supply.........................................................................................................25 EN - English - Instructions manual 7.3.5.1 Connection of the camera's power line in 12Vdc and 24Vac (without power supply).......................................................25 7.3.5.2 Connection of the camera's power line in 120Vac and 230Vac (without power supply)..................................................25 7.3.5.
13.3 Electrical rating.....................................................................................................................................................41 13.4 Cable glands...........................................................................................................................................................41 14 Technical drawings.....................................................................................................
EN - English - Instructions manual
1 About this manual 3 Safety rules The manufacturer declines all responsibility for any damage caused by an improper use of the appliances mentioned in this manual. Furthermore, the manufacturer reserves the right to modify its contents without any prior notice. The documentation contained in this manual has been collected with great care, the manufacturer, however, cannot take any liability for its use.
EN - English - Instructions manual • To reduce the risk of ignition of hazardous atmospheres, disconnect the equipment from the supply circuit before opening. Keep the product tightly closed when in operation. • The equipment is certified for use in ambient temperatures of -40°C to 60°C (-40°F / 140°F). • Installation of this equipment shall be carried out by suitably trained personnel in accordance with the applicable code of practice IEC/EN 60079-14.
3.1 ATEX-IECEX certificate details 3.1.1 Temperature: Environment temperature Gas group -40°C to +60°C IIB II 2 G Ex d IIB T6 Gb Ta -40°C to +60°C -20°C to +60°C IIC II 2 G Ex d IIC T6 Gb Ta -20°C to +60°C -40°C to +60°C IIC II 2 G Ex d IIC T6 Gb Ta -40°C to +60°C Instructions manual - English - EN The relation between ambient temperature range, gas group and Ex code is as follows: EX marking Tab. 1 3.1.
3.1.4 Special conditions for safe use EN - English - Instructions manual • The O-ring at the back cover shall be replaced by a new one after each opening of the back cover, in order to maintain the IP66/67 ingress protection rating. • The maximum constructional gaps (ic) are less than that stated in Table 2 of EN 60079-1:2007. Conform clause 5.1 of EN 60079-1:2007, as reported in table. FLAMEPATH DIMENSIONS MAXIMUM GAP MINIMUM WIDTH Spigot joint. Between rear cover and main body housing component.
4 Identification The MHX series explosion-proof housing has been designed for use with cameras operating in industrial environments in which there may be an explosive atmosphere due to gas, vapours, mists, or air or powder mixtures. The MHX housing are made of electropolished AISI 316L stainless steel. They are constituted by a cylindrical body closed by two flanges, inside of which a camera/lens can be installed and powered.
4.2 Product markings EN - English - Instructions manual 01 11 02 03 05 10 04 06 07 08 09 12 Fig. 2 1. CE mark and number of notified body that carries out production checks. 2. Manufacturer’s name and address 3. Model identification code 4. Ambient temperature of use referring to model identification code 5. Serial number (the serial number are 12 numeric characters, the second and the third digits define the last two numbers of the year of manufacture) 6. Power supply voltage (V) 7.
11.
5 Versions 5.3 Germanium window EN - English - Instructions manual 5.1 Tempered glass The tempered glass version is designed to withstand violent impacts. When the unit is working the protection grid must always be installed. The version with germanium window has been developed for applications with thermal cameras. This version is fitted with a protective AISI 316L stainless steel grille. Field of application from 7.5 to 14 µm. Fig. 3 5.2 Integrated wiper The product can be fitted with a wiper.
6 Preparing the product for use Before installation, make sure the power supply and protection specifications of the device correspond to those in the original order. Use of unsuitable appliances can cause serious hazards, risking the safety of personnel and of the installation. 6.1 Safety precautions before use Make sure that all the devices are certified for the application and for the environment in which they will be installed.
6.2 Unpacking and contents EN - English - Instructions manual 6.2.1 Unpacking When the product is delivered, make sure that the package is intact and that there are no signs that it has been dropped or scratched. If there are obvious signs of damage, contact the supplier immediately. Keep the packaging in case you need to send the product for repairs. 6.2.
6.4.2 Fixing with bracket First of all secure the base of the adapter to the final destination. Use screws that can bear at least 4 times the weight of the unit. The bracket can be fixed to the vertical wall. Use screws and wall fixing devices that can bear at least four times the weight of the unit. Instructions manual - English - EN 6.4.1 Fixing to parapet Apply a generous amount of thread locking compound (Loctite 270). Tighten the screws.
EN - English - Instructions manual 6.4.3 Fixing the unit to the pole mount adapter or corner mount adapter To install the housing on a pole or at wall corner, first of all secure the wall bracket (6.4.2 Fixing with bracket, page 17). 6.4.3.2 Fixing with corner adapter Fix the wall bracket to the corner mount adapter using 4 washers, 4 stainless steel grower washers 4 hexagon stainless steel bolts (A4 class 80) M10x30mm. 6.4.3.1 Fixing with pole mount Make sure the thread are free of dirt and debris.
7 Assembling and installing Make sure that all the devices are certified for the application and for the environment in which they will be installed. The following procedures should be carried out with the power supply disconnected, unless indicated otherwise. 7.2.4 Fixing the sunshield It’s possible to fix the sunshield to the housing using screws, washers and spacers provided. Apply a generous amount of thread locking compound (Loctite 270) into the threaded holes in the base of the device.
7.3 Installation EN - English - Instructions manual Before doing any technical work or maintenance on the device, make sure that potentially explosive atmosphere is not present. To reduce the risk of ignition don’t open the device when a potentially explosive atmosphere is present. 7.3.1 How to open the housing To install the camera open the rear flange of the enclosure. Remove all 8 M6 screws on the rear flange and pull it out from housing body using the 3 M5x60mm hexagonal head extraction screws.
7.3.2 Cable entry All cable glands shall be ATEX/IECEx certified, as appropriate, in type of explosion protection “d” and/ or "tb", rated IP66/67, suitable for the conditions of use and correctly installed. When conduit is used, a suitable ATEX/IECEx certified stopping box shall be used, as appropriate, in type of explosion protection “d” and/or "tb", rated IP66/67, suitable for the conditions of use and correctly installed. The stopping box must be fitted within 25mm (1in) from the enclosure wall.
EN - English - Instructions manual 7.3.3.1 12Vdc and 24Vac power line connection (without power supply) Check that the jumper is placed in J4 connector on the circuit board. J4 Leave the cables inside the case long enough to be crimped and mounted in the proper terminals. Pass the power cables through the entry device. Take the J9 removable connector from the connectors board and connect the power wires to it following the polarity information.
7.3.3.2 120Vac and 230Vac power line connection (without power supply) Colour Terminals Power supply 230Vac Blue (N) Neutral Brown (L) Phase Pass the power cables through the entry device. Yellow/Green Earth Take the J9 removable connector from the connectors board and connect the power wires to it following the polarity information. Power supply 120Vac Earth cable should be about 10mm longer than the other two, so that it will not be disconnected accidentally if pulled.
Leave the cables inside the case long enough to be crimped and mounted in the proper terminals. 7.3.4 How to install the camera/lens Mount the camera/lens on the inner slide with screws and spacers provided, so that the mounting height allows a perfect view through the window. Pass the power cables through the entry device. Take the J9 removable connector from the connectors board and connect the power wires to it following the polarity information.
7.3.5 Connection of the camera to the power supply To connect the power supply use the removable connectors supplied. Perform proper wiring according to the camera's required supply voltage. Maximum power consumption for camera and lenses: 13W In these versions the input voltage will be the voltage of the camera/lens. Remove the removable connector from the board. (J6). Carry out the wiring between the removable connector and the camera's power supply terminals. Re-insert the connector into the board.
EN - English - Instructions manual 7.3.5.3 Connection of the camera's power line in 12Vdc, 24Vac, 120Vac and 230Vac (with power supply) Remove the removable connector from the board.. Carry out the wiring between the removable connector and the camera's power supply terminals. Re-insert the connector into the board. CONNECTION OF THE CAMERA TO THE POWER SUPPLY Input voltage of the housing Input voltage of the camera/lens 12Vdc 24Vac 230Vac 120Vac 230Vac – – J6 – 7.3.
7.3.7 Optical fibre connection Use a type of optical fibre suitable for the receiver model installed. Connect the camera's video output to the CPU board's J10 connector. Use the appropriate BNC-BNC cable supplied. Slide the fibre along the input device. Connect optical fibre with ST type connector. Connect the optical fibre to the board by paying attention to the bending radius. Refer to the fibre receiver manual for remote control of video and telemetry. J10 Fig. 29 Fig.
EN - English - Instructions manual 7.3.8 Signal output of an IP camera Telemetry and video signal transmission pass through the Ethernet network cable. If the camera has a RS-485 output refer to the relative chapter (7.3.9 Connection of the IP camera's RS-485 output, page 28). The installation is type TNV-1, do not connect it to SELV circuits. 7.3.
7.3.10 Serial line connection Pass the relays cables through the entry device. The installation is type TNV-1, do not connect it to SELV circuits. Pull out the J12 removable connector from the CPU board and connect the cables as shown in the table. The product has an RS-422 serial one-way internally terminated communication line. The line works with PELCO D (2400baud, 9600baud) or VIDEOTEC MACRO (9600baud, 38400baud), maximum distance of 1200m (3937ft).
EN - English - Instructions manual SERIAL LINE CONNECTION Description SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Configuration Address OFF OFF OFF OFF OFF – – – Reserved Address ON OFF OFF OFF OFF – – – Address 01 Address OFF ON OFF OFF OFF – – – Address 02 Address ON ON OFF OFF OFF – – – Address 03 … … … … … … – – – … Address ON ON ON ON ON – – – Address 31 Baud rate – – – – – ON – – 9600baud (PELCO D), 38400baud (VIDEOTEC MACRO) Baud ra
7.3.12 Enabling the wiper 7.3.12.2 Enable from the keyboard 7.3.12.1 Enable from the remote button If the serial communication line is being used, the wiper can be enabled from the keyboard. clean contact WIPER_CMD 7.3.13 Enable the washing system from the keyboard If the serial communication line is being used, the washer can be enabled from the keyboard. The washer is activated via the closure of the clean contact of a relay.
EN - English - Instructions manual 7.3.14 Enable an external illuminator from the day/night camera output The camera could be equipped with a day/night clean contact output that can be used to enable an external illuminator. Remove the removable J5 (OUT_Day/Night) from the CPU board and connect the relay cables. Re-insert the wired connector into the board and connect the cables with a cable tie. Connect the camera's day/night output to the CPU board's J4 input. Fig.
7.3.15 Closing the housing Be careful not to damage the explosion proof joint. Be very careful not to damage the o-ring gasket. Instructions manual - English - EN Test system operation for positive results before closing the caps and allowing the presence of a dangerous atmosphere. Insert the rear flange if the housing body having aligned holes in between the two parts. Tighten the 8 screws removed before. Pay attention to the fixing. Tightening torque: 9-12Nm max.
EN - English - Instructions manual 8 Instructions for safe operation 8.1.3 Explosion prevention rules 8.1 Safe operation Always remember that the device must be connected to an appropriate earth conductor. Before proceeding with the following operations, make sure that the mains voltage is correct. Use appropriate tools for the area in which you are working. Before doing any technical work or maintenance on the device, make sure that potentially explosive atmosphere is not present. 8.1.
10 Maintaining and cleaning In the event of gasket deterioration in the rear bottom of the housing replace it using the gasket supplied. In the absence of the gasket provided, only use VIDEOTEC original spare parts. Replace the gasket being careful to insert it correctly into its housing. To reduce the risk of ignition, don’t open the device when a potentially explosive atmosphere is present. Before doing any technical work on the device, disconnect the power supply.
10.1.1.4 Fuses replacement EN - English - Instructions manual Maintenance must be performed with the power supply disconnected. If necessary, the connector board's fuse can be replaced. The replacement fuse must comply with the directions given in the table. FUSES REPLACEMENT Voltage Fuse (FUS1) 12Vdc T 4A H 250V 5x20 24Vac, 50/60Hz T 4A H 250V 5x20 120Vac, 50/60Hz T 1A L 250V 5x20 230Vac, 50/60Hz T 1A L 250V 5x20 Tab. 11 Version without power supply. FUS1 Fig. 48 Version with power supply.
11 Disposal of waste materials Your product is designed and manufactured with high quality materials and components which can be recycled and reused. This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste. Please dispose of this equipment at your local Community waste collection or Recycling centre.
EN - English - Instructions manual 13 Technical data 13.1 MHX If the equipment is likely to come into contact with aggressive substances, then it is the responsibility of the user to take suitable precautions that prevent it from being adversely affected, thus ensuring that the type of protection is not compromised. 13.1.1 General Aggressive substances: Acidic liquids or gases that may attack metals, or solvents that may affect polymeric materials. 13.1.
13.1.
EN - English - Instructions manual 13.2 MHXT 13.2.5 Certifications 13.2.1 General ATEX (EN 60079-0: 2012, EN 60079-1: 2007, EN 6007931: 2009) AISI 316 stainless steel construction Passivated and electropolished external surfaces Silicone O-ring seals 13.2.2 Mechanical 2 3/4" NPT holes for cable entry Germanium window (with protection grid) -- Dimensions (Ø): 56mm (2.2in) -- Thick: 10mm (0.
13.3 Electrical rating ELECTRICAL RATING Max peak electrical ratings (comprising the max power dissipation of the end user camera/lens and heater) Maximum power dissipation for end user fitted camera/lens 230Vac 0.34A, 50/60Hz, 80W 13W 120Vac 0.5A, 50/60Hz, 60W 13W 24Vac 2.2A, 50/60Hz, 53W 13W 12Vdc 2.8A, 34W 13W Instructions manual - English - EN Power supply Tab. 12 13.
14 Technical drawings EN - English - Instructions manual The dimensions of the drawings are in millimetres. M6 Ø 102 Ø 165 184 Ø 75 Ø 150 245 A USABLE AREA 422 A Ø 75 177 A-A 80 483 USABLE AREA B-B Fig. 49 42 MAXIMUS MHX. 88 B 150 139.
M6 Instructions manual - English - EN Ø 102 Ø 150 Ø 165 245 USABLE AREA 422 Ø 56 102 A-A 80 483 USABLE AREA 88 B B-B Fig. 50 150 139.5 B MAXIMUS MHXT.
EN - English - Instructions manual A Appendix - Gas group classification The table below shows the classification of some gases and vapours, according to the explosion-proof protection group and the temperature class. For a complete list see IEC/EN 60079-12 and IEC/EN 60079-20.
Headquarters Italy Videotec S.p.A. France Videotec France S.à.r.l. Asia Pacific Videotec (HK) Ltd Americas Videotec Security, Inc. Via Friuli, 6 - I-36015 - Schio (VI) Italy Tel. +39 0445 697411 - Fax +39 0445 697414 Email: info@videotec.com Unit C 24 Floor - Gold King Industrial Building 35-41, Tai Lin Pai Road - Kwai Chung, NT, Hong Kong Tel. +852 2333 0601 - Fax +852 2311 0026 Email: info.hk@videotec.com Voie du Futur, Zac des Portes - 27100 - Val-de-Reuil, France Tel.
