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AFA4000/2

Airflow Monitor / p.65

6.3.2

Chain and sprocket drives

Two types of chain and sprocket drives are available:

•

Shaft Drive

•

Counterweight Drive

6.3.2.1

Chain and sprocket shaft drives

In the Shaft Drive arrangement, the motor drive utilises a taper bore sprocket and a roller
chain to drive a shaft running between the counterweight pulleys.

The motor assembly is supplied fitted to an adjustable bracket so that the correct chain
tension can be set.

The Shaft Drive arrangement can accommodate one or two sash wires.

Figure 35: Typical chain and sprocket shaft drive installation

6.3.2.2

Installing the chain and sprocket shaft drive

1.

Fit the taper bore sprocket to the shaft and ensure that the sprocket is securely fitted.

Where possible positioned the motor drive and sprocket centrally on the shaft. The
motor assembly should be fitted to a rigid framework to support the motor.

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Содержание AFA4000/2

Страница 1: ...AFA4000 2 Airflow monitor Installation and operating manual Issue 1 ...

Страница 2: ... 11 3 Overview Airflow Monitor 12 3 1 Display 12 3 2 Alarms and events 14 3 3 Controls and indicators 16 3 4 Operator display panel menu navigation 18 3 5 External connections 20 3 6 Functions 22 3 7 Components 29 4 Overview Auto Sash Controller 31 4 1 Features 31 4 2 Auto Sash control options 32 4 3 Control system components 35 5 Installation Airflow Monitor 43 5 1 Location 43 5 2 Installation 45...

Страница 3: ...iring diagram 90 6 11 Start up 91 7 Calibration 92 7 1 AFA4000 2 Airflow Monitor 92 7 2 Auto Sash Controller 1 2 or 3 position 95 7 3 Sash lock function 96 7 4 Auto Sash Controller stand alone 98 8 Configuration 106 8 1 AFA4000 2 configuration menus 106 8 2 AFA4000 2 AS configuration menus 114 8 3 Auto Sash Controller system menus 126 9 Auxiliary features and connections 134 9 1 Optional input fun...

Страница 4: ... 146 12 3 Operation and alarm indication 149 13 Troubleshooting 152 13 1 Fault finding 152 13 2 Diagnostics menu 156 13 3 Auto sash alarm indications 158 14 Cleaning and maintenance 161 14 1 Cleaning 161 14 2 Contamination 162 14 3 Maintenance 162 15 Technical specifications 163 15 1 AFA4000 2 Airflow Monitor 163 15 2 Auto Sash Controller 165 16 Warranty 171 17 Index 173 ...

Страница 5: ...n prompts to guide end users The unrivalled reliability of the AFA4000 means that once calibrated you will not need to re calibrate in the future The AFA4000 has in built communications as standard and it can be used with either Modbus or BACnet protocol Featuring an innovative hot wire sensor the AFA4000 has no inherent drift meaning that the sensor will provide stable readings over many years of...

Страница 6: ...egration BACnet and Modbus on board Velocity bar graph or fault time line over the last 60 minutes Visual audible alarms Three digital inputs and three digital outputs Diagnostics Menu Bespoke overlay designs with a choice of two coloured cases Bespoke software options tailored to customer requirements Touch sensitive buttons ...

Страница 7: ...h this manual the protection provided by the devices may be impaired 2 2 Precautions Ensure the equipment voltage corresponds to the voltage available at the installation position Do not remove equipment panels without shutting down the equipment and disconnecting the power supply 2 3 Warnings 2 3 1 Warning notices WARNINGS must be followed in order to avoid personal injury 2 3 2 Warning labels WA...

Страница 8: ... of the equipment whilst covers are open or the equipment is in operation is only to be done by skilled persons who are aware of the potential hazards Make unsafe equipment inoperative Examples of unsafe equipment Appears damaged Fails to perform correctly Has undergone transport stresses Has been stored incorrectly 2 4 2 Environmental conditions Ensure the equipment is used under the following co...

Страница 9: ...e or outside the Auto Sash Controller System or disconnection of the protective conductor terminal is likely to make the equipment dangerous Never interrupt the protective conductor If the mains power cord needs to be replaced ensure that the replacement cord is appropriately rated and approved for the intended use To prevent potential personal injury and damage to the equipment switch OFF all com...

Страница 10: ...nly connect equipment that meets the requirements of IEC 61010 1 IEC 60950 or equivalent standards Installation category The equipment can withstand transient over voltages typically present on the mains supply The normal level of transient over voltages is impulse withstand overvoltage Category II of IEC 60364 4 443 Pollution degree 2 Normally only non conductive pollution occurs Occasionally how...

Страница 11: ...1326 EMC standard for electrical equipment for measurement control and laboratory use and EN55011 ISM Class A RF emissions 2 7 2 FCC Rules and Regulations The Airflow Monitor System and Auto Sash Controller Systems are classified as digital devices used exclusively as industrial commercial or medical test equipment They are exempt from the technical standards specified in Part 15 of the FCC Rules ...

Страница 12: ...ton icons E Airflow monitor pushbuttons F Menu pushbuttons and alarm mute Auto Sash Up Down Cancel buttons Figure 1 Operator display panel Note Access to the Calibration and Configuration menus is password protected and is factory set To access and or change the password contact the supplier for the engineer s password and enter the passwords in the Main Menu or alternatively use a laptop connecte...

Страница 13: ... time line segmented into 60 x 1 minute segments scroll across the display when enabled The event time line is displayed as a graphical scale ranging over 0 1 00 m sec that progresses across the screen representing the airflow value at each segment The segment colour changes as above if the value is in the range of an airflow alarm The alternative to the event time line is a dynamic bar graph repr...

Страница 14: ... air alternates on off with the velocity reading Setback The night setback function is activated Setback alternates on off with the velocity reading The display backlight dims Alarm disabled The alarm disable function is activated Alarm disable alternates on off with the velocity reading Close sash The sash is raised and the operator is not present when activated Close sash alternates on off with ...

Страница 15: ...lay alternates on off with the velocity reading Note This is an optional extra feature that requires an additional temperature sensor High temperature The fume cupboard temperature rises above the high temperature alarm point when activated Note This is an optional extra feature that requires an additional temperature sensor Fire Alarm The Fire alarm input is activated Fire alarm alternates on off...

Страница 16: ...elected on pushbutton I or when the Setback or Alarm Disable functions are activated When the audible alarm is muted disabled the mute icon displays at the bottom left side of the screen When an input is set to the mute function the keypad Mute button is disabled and you can only mute the alarm by using the selected mute input 3 3 3 Pushbuttons The AFA4000 2 has 3 menu configurable pushbuttons Eac...

Страница 17: ...t to Lights operation Gas On Off Displayed when the pushbutton is set to Gas solenoid operation Sockets On Off Displayed when the pushbutton is set to Sockets operation S Back O R Displayed when the pushbutton is set to Setback Override operation Purge On Off Displayed when the pushbutton is set to Purge operation Emergency On Off Displayed when the pushbutton is set to Emergency operation Mute Th...

Страница 18: ...on section Set up Monitor Monitor setup menu See Monitor set up menu section Set up Auto Sash Note This option is only available if the Auto Sash is connected Auto Sash Configuration menu See Auto Sash Configuration menu section 3 4 2 Monitor set up menu Menu item Option Instructions Configure Monitor config menu See section 8 Calibration Calibration See section 7 Passwords Monitor passwords menu ...

Страница 19: ...u Note This option is only available if the Auto Sash is connected Menu item Option Instructions TEL Sash Closer Shows the firmware F W and Hardware H W versions Read only information Setup Menu Auto Sash setup menu See section 8 2 1 Engineering Menu Auto Sash engineering menu See section 8 2 2 Exit Return to Main menu Note Menu items marked are password protected To enter the password use to chan...

Страница 20: ...nput functions closed or open volt free contact Alarm disabled Night set back External alarm Emergency Sash high High Low Sash warning Mains fail Fan stop Mute Fire Alarm Analogue input functions Temperature 3 5 2 Outputs The AFA4000 2 has the following outputs 3 5 2 1 Relay outputs 1 2 3 These are volt free outputs configurable for Normally closed relays or Normally open relays 3 5 2 2 Analogue o...

Страница 21: ...ormation on BACnet options and settings see section 8 1 1 4 3 5 4 Power supply Low voltage DC power supply from the mains power adaptor 3 5 5 Optional inputs 3 5 5 1 Temperature sensor Bespoke temperature sensor for connecting into inputs 1 2 or 3 to give temperature display with high or low temperature alarms 3 5 5 2 PIR occupancy sensor Auxiliary PIR used for close sash alarm based on the fume c...

Страница 22: ...level for example 0 4 m sec and 0 45 m sec Amber Warning LED Halo illuminated Low airflow Airflow reads below alarm level for longer than the warning to low air delay time Air Fail toggles on off with display Red Alarm LED Halo illuminated Audible alarm sounds can be muted by pressing the Mute pushbutton Low air relay operates if configured Reset when airflow rises 0 02 m sec above Low air level f...

Страница 23: ...r Up Memory function The Power Up Memory function sets the pushbutton back to its last status following a power fail cycle For example when the Fan is On during a power failure the AFA4000 2 powers up with the Fan pushbutton set to On The AFA4000 2 pushbuttons are typically set with Pushbutton I used for Fan On Off and Pushbutton II used for Lights On Off 3 6 3 1 Pushbutton I Function Description ...

Страница 24: ...s UV Lights On Off Pushbutton II set to UV Lights On Off UV Lights On Off Relay operates Pump On Off Pushbutton II set to Pump On Off Pump On Off Relay operates D F Fan On Off Pushbutton II set to Downflow Fan On Off D F Fan On Off Relay operates High Low On Off Pushbutton II set to High Low Setpoint High Speed Relay operates Low Speed Relay operates 3 6 3 3 Pushbutton III Function Description Lig...

Страница 25: ...e 0 5 Vdc Digital open or Digital closed operation 3 6 4 1 Analogue input functions Function Description Temperature Any Input set to Analogue Temperature Temperature is displayed alongside airflow velocity in C or F Low Temp toggles on off with display if temperature is less than the Low Temp Alarm point Red Alarm LED Halo illuminated Audible alarm sounds can be muted by pressing the Mute pushbut...

Страница 26: ...ted if set to Maintain Low Air Reduce Low Air Warning alarms active if set to Reduce Low Air External alarm When input configured as External alarm is activated Red LED Halo illuminated External Alarm toggles on off with display when configured Audible alarm sounds Can be muted by pressing the Mute pushbutton External Alarm relay operates when configured Emergency When input configured as Emergenc...

Страница 27: ...a given position on the sash Sash Warning When the input configured as Sash Warning is activated Red LED Halo illuminated Sash Warning toggles on off with velocity display Audible alarm sounds after pre set time Audible can be muted by pressing the Mute pushbutton This silences the alarm when configured Alarm re activates after time delay when repeat time enabled Reset when the sash is lowered to ...

Страница 28: ...mote master On Off signal is used Mute When the input configured as Mute is activated Audible alarm muted Mute Icon shown on display Note The Mute function disables the Mute pushbutton so that any audible alarm can only be muted using the input for example remote key switch Fire Alarm When the input configured as Fire Alarm is activated Red Alarm Halo illuminated Fire Alarm is displayed Audible al...

Страница 29: ...or p 29 3 7 Components 3 7 1 Airflow monitor components 1 AFA4000 2 Airflow Monitor 1 Airflow Sensor c w 2 metre RJ45 Sensor Cable 1 Plug in type low voltage power supply with 5 metre Cable Figure 2 AFA4000 2 airflow monitor ...

Страница 30: ...A4000 2 airflow monitor Component Function Sash High Proximity Switch Used for Sash High Alarm Sash High Micro Switch Used for Sash High Alarm Personnel Sensor Passive Infra Red sensor used for Close Sash Alarm Mains Fail Battery Unit Used for Mains Fail Alarm Temperature Sensor Used for Temperature display and alarms ...

Страница 31: ...atures The Auto Sash Controller has the following features Auto Close The sash automatically closes when the fume hood is unattended Auto Open The sash automatically opens when the user returns Sash Lock The sash is programmed to lock at a designated position Manual Sash Open Close To open close the sash manually Keypad Pushbutton Open Close To open close the sash using the Keypad Pushbuttons Foot...

Страница 32: ... of operation Method A Close only The bottom position is calibrated The sash automatically drives to the bottom position when the user is not present Press the pushbutton to drive the sash to the bottom position when the user is present The pushbutton is disabled Method B 2 Positions The bottom and mid positions are calibrated The sash automatically drives to the bottom position when the user is n...

Страница 33: ...n to drive the sash to the bottom position when the user is present Press the Up pushbutton to drive the sash to the next calibrated position when the user is present When the Tiptronic feature is enabled manually tip the sash upwards and the sash will drive to the next calibrated position Manually tip the sash downwards and the sash will drive to the bottom position When the Auto Open feature is ...

Страница 34: ...e Down pushbutton to drive the sash to the bottom position when the user is present The Up pushbutton is disabled 4 2 3 Auto Sash Controller with Sash Low proximity switch A Sash Low Proximity Switch can be specified for fitting by TEL or the fume hood manufacturer The switch can be arranged to be open closed when the sash is closed depending on fitting The wiring arrangement must be modified for ...

Страница 35: ...4 3 Control system components The Auto Sash Control System comprises of a control unit and additional components Figure 3 Typical location of main components Note This example installation is fitted with a pulley and wire sash drive ...

Страница 36: ...ol unit The Auto Sash Control Unit processes inputs from sensors switches associated with the sash control function and output signals relevant to the motor drive s and the alarm panel Figure 4 Auto Sash Control Unit single and dual controller enclosure ...

Страница 37: ...wn pushbuttons On power up the Personnel Sensor learns the reflection characteristics of the environment within its field of view and stores this information as reference background data The sensor then re learns the background every three minutes A stationary object such as a stool that is left in the field becomes part of the background and is ignored by the sensor When the user is not present a...

Страница 38: ...y device designed to detect whether the opening below the sash is clear of obstructions before the sash is automatically closed When an obstruction is detected the sash drive is disabled and the alarm is activated The Sash Light Curtain comprises an infra red transmitter mounted on one side of the fume hood and an infra red receiver mounted on the opposite side of the fume hood s inner chamber The...

Страница 39: ...sitivity adjusted to sense glass or other objects that are partially transparent to infra red light Figure 10 Sash Light Curtain Control Box 4 3 5 Under Sash sensor The Under Sash Sensor is an alternative to the Sash Light Curtain which detects whether the opening below the sash is clear from obstructions before the sash is closed A sensor on one side of the fume hood detects the reflection of a b...

Страница 40: ...h Roller Lever Micro Switch Inductive Proximity Switch Figure 11 Typical Sash Low switches 4 3 7 Sash Position sensor The Sash Position Sensor comprises of a flexible cable a spring loaded spool and a potentiometer It is used in conjunction with the Tiptronic control option to detect and measure vertical sash movement and the position of the fume hood sash During the initial on screen calibration ...

Страница 41: ...h Position Sensor 4 3 8 Tilt switch The Tilt Switch is an optional third party supplied component which is fitted to the fume hood top panel It operates to isolate the Auto Sash controls when the top panel is open to facilitate the servicing of the fume hood Figure 13 Typical third party tilt switch ...

Страница 42: ...h Figure 14 Typical third party foot switch 4 3 10 Sash drive unit The Sash Drive Unit is a geared electric motor and clutch assembly used to drive the sash Three types of drive are available none of which preclude manual opening closing Rack and pinion drive Chain and sprocket drive Pulley and wire drive Chain and sprocket drive Rack and pinion drive Pulley and wire drive Figure 15 Example drives...

Страница 43: ...her side of the fume cupboard However when deciding on the location for the airflow monitor and sensor consider the cable lengths required The 5 metre low voltage cable must reach from the terminals on the back of the AFA4000 2 airflow monitor to the connections on top of the fume cupboard The standard 2 metre telephone style sensor cable must reach from the back of the AFA4000 2 airflow monitor t...

Страница 44: ...ure of the laboratory The back connection spigot of the sensor is designed to accept a tube with outside diameter of 25 mm which should be connected to the inner chamber of the fume cupboard This tube and fittings are known as the vent kit The ideal position for the end of the 25 mm diameter tube for most fume cupboards is 100 mm back from the sash glass and 100 mm higher than the normal sash open...

Страница 45: ...id wall tube attached to the inner side wall Position the open end of this rigid wall tube in the ideal position for example 100 mm back from the sash and 100 mm higher than the normal sash opening Fume cupboards with a large internal height can present a difficulty because the tube length to reach the ideal position may be longer than 1m Where possible use a tube of 1 metre or less which may resu...

Страница 46: ... Airflow Monitor p 46 Figure 17 AFA4000 cut out template Note Print to A4 Do not scale or print to fit page Note Separate mounting boxes and adaptor plates are available for retro fitting to older fume cupboards ...

Страница 47: ...e 4 fixing screws are fully recessed into the counter sunk fixing holes B in Figure 18 3 Place the AFA4000 onto the top of the mounting bracket and click it into place C in Figure 18 4 Push the bottom of the AFA4000 onto the mounting bracket D in Figure 18 5 Secure the AFA4000 to the mounting bracket using the fixing screw in the bottom face of the monitor E in Figure 18 A B C D E ...

Страница 48: ...he sensor fits into the cut out before proceeding Figure 19 SM7 sensor cut out template Note Print to A4 Do not scale or print to fit page 5 3 Connections 1 Connect the power supply cable into the back of the AFA4000 2 H in Figure 20 and to the connection on top of the fume cupboard 2 Connect the telephone style airflow sensor plug in cable to the sensor and the back of the AFA4000 2 unit J in Fig...

Страница 49: ...or analogue H 15 Vdc power supply used if relay interface is not fitted C Input 2 digital or analogue I Auto sash RJ45 connection only used on AFA4000 2 as model D Input 3 digital or analogue J Airflow sensor RJ12 connection E Relay output 1 used if relay interface is not fitted K 14 way ribbon cable connection to relay interface F Relay output 2 used if relay interface is not fitted L RS485 comms...

Страница 50: ...AFA4000 2 Airflow Monitor p 50 Figure 21 AFA4000 2 typical connection diagram ...

Страница 51: ...AFA4000 2 Airflow Monitor p 51 Figure 22 AFA4000 2 AS typical connection diagram ...

Страница 52: ...AFA4000 2 Airflow Monitor p 52 5 4 Dimensions Figure 23 AFA4000 2 and AFA4000 2 AS dimensions ...

Страница 53: ...AFA4000 2 Airflow Monitor p 53 Figure 24 SM7 airflow sensor dimensions ...

Страница 54: ... 7 1 5 5 2 AFA4000 2 AS The AFA4000 2 AS must be field calibrated once the room air supply and exhaust is proportionally balanced When the unit is powered up the following sequence of events occurs 1 The alarm performs a self test of its functions and audible alarm which takes approximately 3 seconds 2 At the end of the delay the unit will do one of five things When the Airflow monitor has been ca...

Страница 55: ...AFA4000 2 Airflow Monitor p 55 When the Auto Sash Controller is disconnected the Auto sash controller status and menus are not displayed ...

Страница 56: ...ay on the sash runners or adjust the sash runner s alignment when the sash does not move freely 6 1 Auto Sash Control Unit 6 1 1 Mounting the unit The Auto Sash Control Unit can be mounted as follows Screwed flat to the outside of the fume hood roof horizontal mounting Note For horizontal mounting the control box should always be mounted with the lid front panel facing upwards Screwed to the outsi...

Страница 57: ...cables through the sidewall and into the service void For fume hoods with a single wall route all cables up the outside of the sidewall using suitable trunking or fixing pads and ties When wiring in the Auto Sash Control Unit observe the following Keep cables clear of moving parts Use grommets wherever cables pass through sidewalls to prevent abrasion of the cable insulation and or sidewall Where ...

Страница 58: ...AFA4000 2 Airflow Monitor p 58 Figure 28 Sash Control System general layout wiring schematic and illustration inset ...

Страница 59: ...Auto Sash Keypad Alarm Panels can be supplied for US and EU markets Both types should be mounted on the front of the fume hood ensuring there is adequate clearance behind for the cables connecting the keypad to the Auto Sash Control Unit 6 2 1 Fitting the Auto Sash keypad alarm panel 1 Fit the Auto Sash Keypad to the fume hood using either a single gang socket for UK applications Figure 29 or usin...

Страница 60: ... wiring schematic in section 6 10 and Figure 31 Figure 31 Keypad Alarm Panel Rear View 6 3 Auto Sash motor drive unit A Motor Drive Unit is used to automatically raise and lower the fume hood sash Three types of drives are available Rack and pinion motor drive Chain and sprocket motor drive Wire and pulley motor drive The optimal choice of sash drive type depends on whether ...

Страница 61: ...ires or counterweights and or where the sash is fitted to a metal framework for example combination type sash fume hoods 6 3 1 1 Installing the rack and pinion drive 1 Raise the sash to the fully open position 2 Offer up the motor assembly and rack to ensure that there is a clearance of at least 1 2 m 47 24 above the top of the sash Note The rack is supplied in 1m 39 37 lengths 3 The motor drive a...

Страница 62: ...otor assembly when the sash is fully closed 4 When the motor drive assembly is fixed to the fume hood the T bar should be fixed to the rack and offered up with the sash frame 5 Ensure that the rack is free to move over the full sash opening before marking up and fixing the T bar to the sash frame Note The rack must to run vertically at 90º to the horizontal axis of the sash frame ...

Страница 63: ...the proximity low switch at the top of the motor assembly to ensure that the rack is clear of the switch when the sash is closed 7 Connect the Sash Drive to the Auto Sash Control Unit using the cables provided with red and black connectors See the wiring schematic in section 6 10 and Figure 31 Note It is important to observe the correct polarity when making electrical connections 8 Connect the clu...

Страница 64: ...AFA4000 2 Airflow Monitor p 64 Figure 34 Side views of a rack and pinion drive typical installation ...

Страница 65: ...leys The motor assembly is supplied fitted to an adjustable bracket so that the correct chain tension can be set The Shaft Drive arrangement can accommodate one or two sash wires Figure 35 Typical chain and sprocket shaft drive installation 6 3 2 2 Installing the chain and sprocket shaft drive 1 Fit the taper bore sprocket to the shaft and ensure that the sprocket is securely fitted Where possible...

Страница 66: ...d freewheeling sprocket to maintain the correct chain tension Figure 36 Typical chain and sprocket counterweight drive installation 6 3 3 Installing the chain and sprocket counterweight drive 1 When the motor chain and freewheeling sprocket has been fitted manually open close the sash to ensure that the motor drive is free running and that the chain is not too slack or too tight 2 Fit the motor so...

Страница 67: ...d can accept both single and dual sash wire systems The motor assembly is fitted in line with the sash wires and uses two guide pulleys and a drive pulley The pulley drive is ideal for new fume hoods but can be retro fitted if a longer replacement sash wire can be fitted Figure 37 Typical wire and pulley drive installation 6 3 4 1 Installing the wire and pulley drive The motor assembly can be fitt...

Страница 68: ...ox is connected to the main Auto Sash Control Unit 6 4 1 Installing the sash light curtain control box 1 Fix the Sash Light Curtain Control Box onto the top of the fume hood using the tabs attached to the control box and the screws provided Ensure that there is access to the terminals to connect the wiring Figure 38 Sash Light Curtain Control Box 2 Use the pre assembled cables and connectors suppl...

Страница 69: ...plastic covers from the right hand side of the light curtain receiver and the left hand side of the light curtain transmitter cases Figure 39 Light curtain receiver plastic cover 3 Position the light curtain transmitter and receiver on opposite sidewalls Ensure that the back of the sash handle does not penetrate the light beam path The sash light curtain transmitter and receiver should be fitted s...

Страница 70: ...ening A small error in alignment is acceptable The allowable error is dependent on the spacing between the transmitter and receiver Figure 41 illustrates the maximum allowable transmitter to receiver misalignment displacement for a 0 to 3 m 0 to 118 11 range of fume hood widths For a typical fume hood width of 1 to 2 m 39 37 to 78 740 the maximum allowable misalignment displacement ranges from app...

Страница 71: ...ts base The light curtain transmitter and receiver can be positioned above the bottom of the sash in the fume hood if they are free from obstructions Where possible make sure the light path is aligned flush to the bottom of the sash base Note There is a 123 mm 4 84 gap from the top of the light curtain transmitter to the first LED down and a 22 mm 0 87 gap from the bottom of the transmitter to the...

Страница 72: ...ain transmitter and receiver have been positioned mark the sidewall using the fixing holes in the transmitter and receiver as templates 3 Drill the holes for the fixing screws Use the 2 mm 0 08 drill bit provided and fix the transmitter and receiver Figure 43 Transmitter Receiver fixing holes ...

Страница 73: ...nd ties Drill a 17mm 0 67 hole to clear the cable DIN connector When using a grommet drill a suitable hole in the sidewall to accept the grommet Figure 44 Light curtain cable entry Note The hole s centre should be a minimum of 35 mm 1 38 from the top of the light beam path so that the cable is not stressed when it bends 90 through the inner sidewall 5 Pass the cables through the sidewall and conne...

Страница 74: ...g Schematic 7 Use the pre assembled cables provided to connect the output from the Safety Curtain Control Box to the Auto Sash Control Unit See the wiring schematic in section 6 10 and Figure 31 8 Fix the light curtain transmitter and receiver to the sidewall using their fixing holes and re attach the plastic covers ...

Страница 75: ... sash sensor mounting Figure 47 Under sash sensor dimensions Use a suitable bracket so that the sensor position can be adjusted to the required position 2 Fix the 5 m cable which is attached to the sensor to the sash wire using cable ties Attach the 5 m cable to the sash counterweight to keep the cable taught as the sash opens or closes Encase the cable from the sash counterweight to the sash cont...

Страница 76: ... over a metal surface Figure 48 Typical under sash sensor retro installation 3 Fix the retro reflective tape strip to the inside of the fume hood on the opposite side to the sensor Position the centre of the retro reflective tape strip in line with the centre of the sensor A small offset between the sensor and retro reflective tape strip is acceptable The maximum offset values are shown in Figure ...

Страница 77: ...t switch Tilt Switches are provided in a variety of forms the installation instructions that follow are therefore general Ensure that the Tilt Switch is installed in the correct orientation open when the front panel is closed and closed when the front panel is open Connect the Tilt Switch to the Auto Sash Control Unit See the wiring schematic in section 6 10 and Figure 31 Link out connect the rele...

Страница 78: ...cuit depending on which terminals are used on the switch for each type of activation Typically the switch would be fitted so that the lever engages pushes in when the sash is open Connect the Sash Low Micro Switch to the Auto Sash Control Unit Figure 51 See the wiring schematic in section 6 10 and Figure 31 If the switch is installed so that the lever pushes in when the sash is closed connect the ...

Страница 79: ...e of a metal plate attached to the sash i e when the sash is closed The type of switch selected makes or breaks the circuit when the sash is closed Typically the switch would be fitted so that the switch is closed when the sash is open Connect the Sash Low Proximity Switch to the Auto Sash Control Unit Figure 52 See the wiring schematic in section 6 10 and Figure 31 Figure 52 Sash low proximity sw...

Страница 80: ...ed in four different orientations to enable the sensor draw wire to be correctly aligned 1 Offer up the sensor to determine the best fixing position on the fume hood framework Where possible ensure the sensor draw wire runs straight out of the sensor housing in line with the cable housing extension Where the wire runs at an angle to the sensor ensure the angle is as small as possible to prevent th...

Страница 81: ...n a position that does not over extend the draw wire The sensor draw wire full stroke is 1270 mm 50 maximum 3 Attach the draw wire to either The sash using a suitably sized screw the draw wire has a 9 53 mm 0 38 diameter fixing ring with a 4 85 mm 0 18 diameter fixing hole in its centre The sash cable using a cable tie ensuring that the fixing ring does not run over the pulleys The counterweight u...

Страница 82: ...onnel Sensor is supplied as a single transmitter receiver unit 6 9 1 Installing the personnel sensor 1 Use the mounting template illustrated in Figure 56 and the fixing screws provided to mount the Personnel Sensor Mount the sensor centrally to the front of the fume hood and above the fume hood sash use the fixing holes in the back of the sensor See the table in Figure 56 for the correct mounting ...

Страница 83: ...E Fixing Hole 5 mm diameter maximum F Spare Fixing Hole 5 mm diameter maximum Figure 56 Personnel sensor mounting details The Personnel Sensor should be positioned so that it points straight down with the horizontal axis of the sensor parallel to the horizontal axis of the fume hood Figure 57 Note Do not mount the sensor higher than 250 0mm 98 from the laboratory floor ...

Страница 84: ...Personnel Sensor 2 Fit the connection cable to the sensor cable inside the sensor housing 3 Plug the 4 way terminal block into the Auto Sash Control Unit Figure 58 See the wiring schematic in section 6 10 and Figure 31 Figure 58 Personnel sensor 4 way terminal block ...

Страница 85: ... hood widths To adjust the beam width 1 Access the two potentiometers under the sensor s front cover Figure 59 Figure 59 Personnel sensor beam width adjustment potentiometers 2 Adjust the width of the Personnel Sensor beam using the two potentiometers This is to achieve the best field coverage in front of the fume hood for the hood s width Figure 60 ...

Страница 86: ...ting the bottom of the sensor towards or away from the front wall of the fume hood Figure 61 This is to ensure that the sensors beam is at optimum angle from the fume hood to achieve the best field of coverage for the height of the fume hood The body of the Personnel Sensor can be tilted from 0 to 5 in three increments to achieve this ...

Страница 87: ...AFA4000 2 Airflow Monitor p 87 Figure 61 Adjusting the personnel sensor beam angle away from the fume hood ...

Страница 88: ... Sensor Dip Switch Settings Switches Setting Description 1 2 Presence timer Select the time delay before the Personnel Sensor re learns the background when a stationary object is detected 2 15 60 or 180 second delays are selected by setting associated switches 1 and 2 to combinations of ON OFF Figure 62 Note The timer will reset if any movement is detected during the time period 3 4 Pattern depth ...

Страница 89: ...or beam paths overlap 7 Monitor mode Select the Monitor Mode Set the switch to Normal Note The Snow setting is only applicable to outdoor applications and therefore is not used 8 Self Diagnostics Setting switch 8 to ON will start a self diagnostic test when the sensor is switched on If the test detects a fault the LED will continually flash red and green ...

Страница 90: ...AFA4000 2 Airflow Monitor p 90 6 10 Auto Sash System Control Box general wiring diagram ...

Страница 91: ...m which takes approximately 3 seconds All inputs and outputs are deactivated during the self test At the end of the delay the unit will do one of two things When the controller has been calibrated it enters normal operating mode and displays the current status or alarm condition When the controller has not been calibrated the monitor displays the messages Sash drive inhibited if the tilt switch in...

Страница 92: ... to be calibrated or configured password required Note When the unit has been set with a Fan Stop Start pushbutton the monitor can be set to Run mode before it is calibrated to allow the Fan to be Started To Enter the menu from the Run screen press and hold the Mute button for 5 seconds or until the main menu appears During the set up all alarms and output relays are inhibited To calibrate the mon...

Страница 93: ... to the Main Menu Select Run to go to normal operating mode and check the velocity reading is accurate and stable 7 If the calibration is stable and accurate press and hold the Mute button for 5 seconds until the Main Menu is displayed 8 Select Run to go to normal operating mode 7 1 1 Possible messages Message Reason Actions Deviations too high Airflow sample is unstable Follow the instructions to...

Страница 94: ...dings on the open sash may vary at different points on the measuring grid by up to 0 1 m sec This is acceptable long as individual points are not below the designated Low Air alarm point The figure entered for the calibration point can be taken as the average value of all the measuring grid readings or could be taken as the individual lowest point on the grid This low point is typically located in...

Страница 95: ...displayed 2 Use the buttons to select Set Up Auto Sash The display shows the message TEL SASH CLOSER 3 Press the Mute button to display the current Hardware and Software version for example 1 HW2 0 FW1 1 4 Press the button to scroll down and select Setup Menu and press Mute 5 Enter the password the factory default password is 1 0 0 1 and press Mute to continue 6 In the Setup menu the controller di...

Страница 96: ... now calibrated Press Mute to quit calibration mode 16 Use the button and select Back to Set up menu then press Mute 17 Use the button and select Exit and Save Changes then press Mute 18 The controller now enters Run mode 7 2 1 Calibration notes The sash may slightly over run past the calibration points when the sash motor drive is set to a fast speed When calibrating the sash positions allow a ma...

Страница 97: ...ettings menu the display will show 1 Enabled 9 Use the button to scroll through the menu and select 11 Auto Lock Press Mute 10 Set to Enabled and press Mute 11 Use the button to scroll through the menu and select 11b Lock Alarm Press Mute 12 Use the buttons to set the required alarm delay time Press Mute 13 Use the button to scroll through the menu and select 11c Lock Pos Calibration Press Mute 14...

Страница 98: ... their entire operating ranges Note Check that all cables are secured away from moving components and are not overstressed or damaged Note Check the security of all electrical connections 7 4 1 Starting up the Auto Sash Control Unit Press the Power Up Menu Entry button to start the Auto Sash Controller Figure 63 and Figure 64 Figure 63 UK EU keypad Figure 64 US keypad 1 Switch on the Auto Sash Con...

Страница 99: ...nctionality 1 Press and hold the Enter button for approximately 5 seconds or until the main menu appears The LCD display will show the current hardware and software versions For example 1 HW2 0 FW1 1 2 Press and select 2 Setup 3 Press Enter 4 Enter the Password using the arrow and Enter button the factory default is 1 0 0 1 In the Set Up menu the controller will display Keypad Tones 5 Press and se...

Страница 100: ...19 Press Enter 20 Press button select Exit and Save Changes 21 Press Enter The Controller will now enter Run mode Note When the Auto Sash motor drive is set to a high speed allow a margin for the sash to over run when calibrating the sash position See the instructions above Allow a 5 mm 0 197 margin at the highest and lowest point 7 4 3 Calibrating the sash lock function To define the required Sas...

Страница 101: ...t 12 Press button select Back to Set up menu and press Enter 13 Press button select Exit and Save Changes and press Enter The Auto Sash Controller will now go to RUN mode 7 4 4 Calibrating the safety light curtain To adjust the range and sensitivity of the Safety Light Curtain 1 Ensure the area between the Safety Light Curtain transmitter and receiver is free from obstructions 2 Ensure the light b...

Страница 102: ...ght Curtain Control Box with lid removed 4 Power up the Auto Sash Control Unit 5 Check that the Safety Light Curtain Transmitter and Receiver are connected correctly and are operational The red Power On LED will now be visible on the receiver Figure 66 ...

Страница 103: ...eam The signal LED indicates beam status Green if the detection area is clear Red if the area is not clear 10 Turn the gain potentiometer anti clockwise to the minimum The transmitter and receiver can no longer sense each other 11 Slowly adjust the gain potentiometer Figure 65 clockwise to maximum until the transmitter and receiver can sense each other for example the receiver can detect the beam ...

Страница 104: ... Or Clean or replace the faulty component and set sw2 to Off Operation mode 7 4 5 Tilt switch No user calibration of the Tilt Switch is possible When using a Tilt Switch ensure that the top panel of the fume hood is closed before switching on the Auto Sash Control Unit 7 4 6 Sash position sensor No user calibration of the Sash Position Sensor is possible The sensor provides sash position data to t...

Страница 105: ...p 105 To test that the sensor is operational listen to whether the internal relay clicks when standing in front of the fume hood and when walking away 7 4 8 Sash low switch No user calibration of the Sash Low Switch is possible ...

Страница 106: ...section section 3 4 for instructions on how to navigate the menus 8 1 AFA4000 2 configuration menus To configure the AFA4000 2 Airflow Monitor navigate to Main Menu Set up Monitor Configure to display the Monitor Set up Menu Press the button to scroll down the menu list and press Mute to select the required option Note The Configure menu is password protected The default password is 0 0 0 0 Note T...

Страница 107: ...t the activation type Closed contact Open contact None Analog Input function Select the function Night Setback Alarm Disable None Temperature Fire Alarm Mute Fan Stop Mains Fail Sash Warning High Low Sash High Emergency Ext Alarm Fire Alarm Relay Output 1 2 or 3 Relay activation Select the activation type Closed contact Open contact Pushbutton 1 2 or 3 Pushbutton activation Enable or disable the t...

Страница 108: ...bit Enable or disable the inhibit screen feature High Air Relay High air relay Select the required relay None Output 1 Output 3 Alarm Disable Relay Alarm disable relay Select the required relay None Output 1 Output 3 Sash High Repeat timer Enable or disable the timer Sash high time If the timer is enabled set the time Sash high relay Select the required relay None Output 1 Output 3 High Low Relay ...

Страница 109: ...l Alarm LED on off screen Enable or disable the LED Display on off Enable or disable the display External alarm relay Select the required relay None Output 1 Output 3 Fire Alarm Fire alarm relay Select the required relay None Output 1 Output 3 Protocol Protocol Select the required protocol Modbus TEL BACNet None Note The TEL protocol is used to connected to TEL Config Manager software and the TEL ...

Страница 110: ...arm is enabled set the repeat time Factory Settings Enter password Use to enter password then press Mute Restore factory setting Press Mute to restore the factory settings Press to return to the Monitor config menu section 8 1 1 Done Return to Monitor set up menu 8 1 1 1 Cal config menu Note Use to increase or decrease parameter values then press Mute to save the new value Menu item Instructions D...

Страница 111: ...ation level Low High Air Difference Set the low high air difference value Warning to Alarm Time Set the warning to alarm time Alarm to Warning Time Set the alarm to warning time Show Airflow Select Enable to display the airflow value in the display or Disable to display only the status Show Timeline bargraph Select the required display timeline bargraph Show Alarm Limits Select whether to display ...

Страница 112: ... maximum hours for the hours counter 0 5000 hours Show Alarm Select whether to display the alarm by selecting Enable or not by selecting Disable Reset Counter Select Yes to reset the counter Done Return to the Monitor config menu section 8 1 1 8 1 1 3 MODBUS settings menu Menu item Instructions Slave ID Set the Slave ID Baudrate Set the Baudrate 1200 2400 4800 9600 14400 19200 38400 57600 Parity S...

Страница 113: ...et the value for a digit then press Mute to go to the next digit Station ID Set the Station ID Baudrate Set the Baudrate 1200 2400 4800 9600 14400 19200 38400 57600 Parity Set the parity None Odd Even Max Masters Set the maximum number of AFA4000 devices on the network Done Return to the Monitor config menu section 8 1 1 ...

Страница 114: ...ote Select the option Back to Setup Menu to return to the next option in the Auto Sash setup menu To change options in the Auto Sash setup menu 1 Press Mute to enter edit mode The symbol next to the parameter is underlined 2 Press the buttons to scroll through the options 3 Press Mute to select the option The symbol underline disappears 4 Press the button to scroll down to the next menu option Men...

Страница 115: ...e delay before the sash closes 0 3600 seconds Close Alarm Set the time before the alarm activates and the sash closes 0 10 seconds Auto Open This displays when the Auto Sash is calibrated Enable or disable Auto Open Enabled Disabled Auto Close Only Open Delay This displays when Auto Open is enabled Set the time delay before the sash opens 0 3600 seconds Open Alarm This displays when Auto Open is e...

Страница 116: ...sh closing 0 100 Clutch Off Delay Set a run on time for the clutch to remain energized once the motor stops driving to aid braking Tilt Switch Set the input activation for the tilt switch Normally Open N O Contact Normally Closed N C Contact Disabled Light Curtain Set the input activation for the light curtain Normally Open N O Contact Normally Closed N C Contact Disabled Light Curtain Test Activa...

Страница 117: ...low the on screen instructions to manually calibrate the personnel sensor using the menu Calibration Follow the on screen instructions to manually calibrate the sash position sensor and motor direction Close Threshold Set the height that the Auto Sash will accept as closed if the sash is stopped during travel 0 100mm Tiptronic Select Enable to open or Disable to close the Tiptronic touch sash Min ...

Страница 118: ...s it will go into manual mode to allow the sash to be moved manually Auto Lock Enable or disable the Auto Lock function Lock Alarm This displays when Auto Lock is enabled Set the alarm delay time the time before the alarm activates when the sash remains locked 1 to 30 mins Lock Position Calibration Follow the on screen instructions to calibrate the lock position Sensitivity Set the sensitivity fro...

Страница 119: ... BMS input Disabled Input 1 4 open Input 1 4 closed EV Open Sash Set the EV Open Sash BMS input Disabled Input 1 4 open Input 1 4 closed EV Close Sash Set the EV Close Sash BMS input Disabled Input 1 4 open Input 1 4 closed Foot SW Open Set the Foot SW Open BMS input Disabled Input 1 4 open Input 1 4 closed Foot SW Close Set the Foot SW Close BMS input Disabled Input 1 4 open Input 1 4 closed ...

Страница 120: ...rrent output 0 20mA 4 20mA Relays 1 to 4 RLY1 RLY2 RLY3 RLY4 Select the required settings for the relay Note Each of the four relays have the same setting options Always Open Always Closed Open on Sash Alarm Close on Sash Alarm Open on Obstruction Close on Obstruction Open on Personnel Close on Personnel Open on Sash Open Close on Sash Open Open on Sash Locked Close on Sash Locked Exit and Abandon...

Страница 121: ...the buttons to scroll through the editable parameters for that option The current editable parameter is underlined for example TLP POS F R shows that the POS parameter will be selected when Mute is pressed 4 Press Mute to select the parameter Adjust the parameter as described in the table below 5 Repeat this process until all the required parameters have been adjusted Press the buttons until the s...

Страница 122: ...the light curtain L is inactive as shown by the X X on the second row Parameters are T Tilt switch L Light curtain P Personnel sensor POS Sash position When in use the value goes from 0 sash closed to 100 sash fully open to show the position of the sash F When Mute is pressed an X appears in the bottom row to indicate that the motor is driving forward R When Mute is pressed an X appears in the bot...

Страница 123: ...me as for Sash 1 position but they refer to the second sash I1234 R1234 A BMS Inputs and outputs I1234 Inputs 1 4 An X displays under an input I1234 if that input is active R1234 Relay outputs 1 4 Press Mute to activate the selected relay An X displays under the relevant relay A Alarm output Press Mute to put 24 V onto this output This is useful to power an external light or sounder when the alarm...

Страница 124: ... 0mA 4mA 8mA 12mA 16mA 20mA Factory Tests Test Main Board 1187A harness Follow the on screen instructions to carry out the test Test PIM Module 1187B harness Follow the on screen instructions to carry out the test Test Keypad 1186 Follow the on screen instructions to carry out the test Technical Information S1 Motor Volts Current setting of the Sash 1 motor voltage S1 Motor Dir Current setting of ...

Страница 125: ...urrent setting of the Sash 1 lower position Change Password for Setup Menu Setup Menu Password The current password is displayed 1 Press Mute to select Edit mode the symbol will be underlined 2 Use to increase or decrease the password as required 3 Press Mute 4 Press the buttons to display the Exit options Exit and Save Changes Press Mute to save the password changes and to exit back to the Main M...

Страница 126: ...roller is used without the AF4000 2 AS Airflow Monitor The System Menus allow the user to define parameters affecting the operation of the Auto Sash Controller and associated systems The overall structure of the System Menus and routes to access individual menu items are illustrated in the flow chart on the next page ...

Страница 127: ...AFA4000 2 Airflow Monitor p 127 ...

Страница 128: ...osen menu using buttons 3 Select from the following System Menus Keypad Tones Sash 1 Settings BMS Input Settings BMS Output Settings 4 Select menu entry and press Enter 5 Select a menu entry value parameter using buttons to display the required value parameter press Enter 6 Press Cancel to exit the menu entry and return to the menu 7 To return to the Main Setup menu use buttons and select Back to ...

Страница 129: ...o permanently enable disable the Auto Sash Controller motor drive No to disable the drive Yes to enable the drive Close Delay Set the time delay before the sash closes 0 3600 seconds Close Alarm Set the time before the alarm activates before the sash closes 0 10 seconds Auto Open Enable or disable Auto Open Enabled Disabled Auto Close Only Open Delay Set the time delay before the sash opens 0 3600...

Страница 130: ...Closed N C Contact Disabled Personnel Sensor Set the input activation for the personnel sensor Normally Open N O Contact Normally Closed N C Contact Disabled Calibration Calibrates sash position sensor and motor direction See section 7 4 2 Tiptronic Enable disable the Tiptronic feature Max Tiptime Sets Tiptronic touch sensitivity 0 to 1500ms 0 to 1 5 seconds Note This is the minimum time the sash ...

Страница 131: ...position See section 7 4 3 Sensitivity Set the sensitivity from 0 6 where 6 is the least sensitive This allows the sash travel to stutter for 1 second before the Sash Fault alarm is triggered 8 3 2 3 BMS input settings Menu item Option Instructions BMS Input Settings Fire Alarm Set the Fire Alarm BMS input Disabled Input 1 4 open Input 1 4 closed Open Sash Set the Open Sash BMS input Disabled Inpu...

Страница 132: ... Sash BMS input Disabled Input 1 4 open Input 1 4 closed EV Close Sash Set the EV Close Sash BMS input Disabled Input 1 4 open Input 1 4 closed Foot SW Open Set the Foot SW Open BMS input Disabled Input 1 4 open Input 1 4 closed Foot SW Closed Set the Foot SW Close BMS input Disabled Input 1 4 open Input 1 4 closed ...

Страница 133: ...0V 1 10V 0 5V 1 5V Analog Current Select the required analogue output current for sash position indication 0 20mA 4 20mA Relays 1 4 RLY1 RLY2 RLY3 RLY4 Select the required settings for each of the four relays Always Open Always Closed Open on Sash Alarm Close on Sash Alarm Open on Obstruction Detected Close on Obstruction Detected Open on User Detected Close on User Detected Open on Sash Open Clos...

Страница 134: ...4000 2 can be fitted with a temperature sensor The sensor displays the fume cupboard temperature and can produces high and low temperature alarms The temperature display can be hidden or shown with the airflow velocity display High and Low temperature alarms can be set with relay outputs Figure 67 Typical connection diagram ...

Страница 135: ...mperature Alarm Sets the Low Temperature Alarm point 0 0 to High Alarm value C High Temperature Alarm Sets the High Temperature Alarm point 100 0 to Low Alarm value D Show Temperature Turns the temperature display On Off Yes No E Offset Allows the measured value to be offset 5 0 C to 5 0 C Note The temperature sensor is accurate to 0 5 C The offset parameter can be used if the displayed value need...

Страница 136: ...ect Done Run 9 1 1 Testing Once the temperature sensor function has been configured the temperature will display in the diagnostics menu I O Status The sensor data screen is described in section 13 2 9 2 Optional input function close sash alarm A Close Sash alarm informs the user that the fume cupboard sash has been left open The alarm can be set with a time delay before activation this allow the ...

Страница 137: ... the switch activation The output of the PIR is wired in series with the switch so the output should be active switch contact closed when the sash is open Switch Mounting Switch connections Notes A Switch closes when sash is open C NO Refer to the micro switch for switch connection details B Switch closes when sash is closed C NC ...

Страница 138: ...ntact Sash Warning 5 Use the buttons to select Sash Warning Time then use the buttons to set Sash Warning Time 6 Use the buttons to set the Sash Warn Rpt Time to Enabled Disabled if set to Enabled use the buttons to set the Sash Warn Rpt Time then Done For example Sash closed switch height set to 100 mm sash warning delay set to 1 minute sash warning repeat timer set to 5 minutes if the sash is 10...

Страница 139: ...rotocol Description TEL Protocol for connections to TEL Configure Manager PC software and room controls Modbus Modbus RTU protocol BACNet BACNet MS TP protocol To connect to BACnet IP a 3rd party router is required For further technical compliance and register information see separate comms registers AFA4000 2 Modbus registers AFA4000 2 BACNet registers ...

Страница 140: ...AFA4000 2 Airflow Monitor p 140 Figure 69 Typical connection diagram ...

Страница 141: ...o continue 4 Select Protocol then press Mute 5 Select TEL and press Mute 6 Select Done and press Mute To setup the AFA4000 s MODBUS settings 1 From the Requires set up screen press Mute or from the Run Screen press and hold the Mute button for 5 seconds until the Main Menu is displayed 2 Select Set Up Monitor Configure 3 Enter the password the factory default password is 0 0 0 0 and press Mute to ...

Страница 142: ...3 Enter the password the factory default password is 0 0 0 0 and press Mute to continue 4 Select Protocol then press Mute 5 Select BACnet then press Mute 6 Select BACNet Settings and press Mute Parameter Description Range Default A Device Instance Set the Slave ID for the unit 0000000 to 4194303 0000000 B Station ID Set the network ID 0 127 1 C Baud rate Set the required Baud Rate 1200 9600 38400 ...

Страница 143: ...ger software is Windows based and requires a RS232 485 converter and TEL comms adaptor to communicate with the RS485 comms port on the AFA4000 The software is free to download and the comms adaptor is available to buy from TEL Most 3rd party RS232 485 converters will work with the AFA4000 the recommended converter has the part number EasySYNC ES U 2101 M The part number is also available to buy di...

Страница 144: ...AFA4000 2 Airflow Monitor p 144 Figure 70 Connection diagram with RS232 485 converter ...

Страница 145: ... Menu pushbuttons and alarm mute Auto Sash Up Down Cancel buttons Figure 71 Operator display panel showing the Run screen The Run screen displays when the AFA4000 2 is switched on and shows the real time status of the system The colour of the LED halo text and status message is important Colour Item Meaning GREEN LED halo text and status message Airflow velocity is safe AMBER LED halo and text Air...

Страница 146: ...ed under the sash the Auto Sash Controller will not open or close the sash and will give a visual alarm to indicate a fault condition When an obstruction is detected whilst the sash is closing the sash drive will stop and give a visual indication to demonstrate a fault condition To reset the fault alarm press the reset button When the sash starts to close a timer is initiated When the sash does no...

Страница 147: ...tion Footswitch open and close options optional When operated the sash will auto drive to its calibrated position 12 2 2 User not detected When the user is not detected the sash will auto close to its calibrated position following a pre set delay time unless The sash beam is broken object detected in the sash opening The controller does not detect sash movement when the motor is driving 12 2 3 Aut...

Страница 148: ...S inputs The sash can be set to operate with the following BMS inputs Input Description Open Close Single start or end of day operation from BMS input The sash will only drive when the user is not present and the sash beam is clear EV Emergency Open Close Note EV audible alarm tone will sound when the EV input is active The sash will only drive if the user is not present and the sash beam is clear...

Страница 149: ...n 12 3 1 RUN mode In RUN mode the display will show the current status Current status Description User present When user is detected The sash drive is inhibited tiptronic and manual drives are enabled XX Seconds to close When user is not detected the sash will close following the countdown delay time Sash Closing Displayed when the sash is driving closed for example tiptronic auto close footswitch...

Страница 150: ...s and hold the Mute button for 5 seconds or until the is displayed To disable Auto Open press and hold the Mute button for 5 seconds or until the disappears Note If set to Enabled if Auto Closed the sash will only Auto Open if the sash has Auto Closed Closing the sash manually or by using the pushbuttons will inhibit the Auto Open when the user returns to the fume hood 12 3 2 2 AFA4000 2 AS The Au...

Страница 151: ...r p 151 auto closed Closing the sash manually or by using the pushbuttons will inhibit the auto open when the user returns to the fume cupboard 12 3 3 Alarm indications Auto Sash alarm indications are described in section 13 3 ...

Страница 152: ...ed into the sensor Check the sensor cable is securely plugged into the monitor Replace the sensor When the Sensor Error message is still displayed replace the sensor cable When the Sensor Error message is still displayed replace the monitor Audible alarm not working Check for screen messages When SETBACK is displayed the monitor has been remotely muted Check to see if the alarm has been disabled i...

Страница 153: ...ocol has been changed Ensure Max Masters is set to the number of devices on the network When the value set is larger than the actual number of devices the comms will be slowed and may cause time out issues Ensure the network is BACnet MS TP not BACnet IP a separate router is required for IP Check the comms settings are correct in the Diagnostics menu section 13 2 Modbus Device not present on Netwo...

Страница 154: ...itions Check the calibration is correct re calibrate the sash stop positions Sash drive does not stop when sash is closed Ensure that the Sash Low switch is connected and operational Sash drive is slow or fast Adjust the Sash 1 Settings Menu entry S1 Motor Speed 0 100 Auto sash status and menus not shown Check the RJ45 cable is connected at both ends Check the Auto Sash controller power supply is ...

Страница 155: ... controller does not detect that the sash position sensor or limit switch is fitted check the connections Fault LED is illuminated Ensure that the area between the sash sensor transmitter and receiver is clear and that the sensors are aligned power up again to reset ...

Страница 156: ... Data Packets transmitted increments when transmitting The displayed value rolls over to zero when the maximum count is reached Rx Number of Data Packets received increments when receiving The displayed value rolls over to zero when the maximum count is reached Tx Rx 0 AFA4000 is not connected to the network initial set up Tx Rx 0 but fixed values AFA4000 has lost connection to the network Rx is c...

Страница 157: ...irflow 0 max flow Temperature C or F Optional with additional Temperature sensor fitted Auto Sash Data only when Auto Sash is connected Position Status The sash position is shown as open when sash position sensor is used Alarm On Off status Moving On Off status Sash Closed On Off status Obstruction On Off status User On Off status User detected Sash open On Off status Sash Locked On Off status ...

Страница 158: ...am is broken and when the sash starts to close Remove the obstruction and press the Mute button to reset the alarm Sash Fault This is displayed when the sash does not close or open when expected Check the sash drive for faults and press Mute to reset the alarm Remove Sash Lock Cancel to Reset This is displayed when the sash is at or above the calibrated lock position for longer than the pre set al...

Страница 159: ...rated normally when the user is detected auto open tiptronic pushbuttons are active BMS close This is displayed when the BMS Close input is activated the sash will drive closed when the user is not present and the sash is clear The sash can be operated normally when the user is detected auto open tiptronic pushbuttons are active Emergency up This is displayed along with the normal text when the us...

Страница 160: ...ected auto open tiptronic pushbuttons are disabled Sash Opening This is displayed when the Sash Open Footswitch has been operated whilst the operator is present Sash Closing This is displayed when the Sash Close Footswitch has been operated whilst the operator is present ...

Страница 161: ...moved for cleaning Personnel Sensor Use a dry cloth optical lens or screen wipe to remove dust dirt grease or finger marks Do not adjust the sensor position whilst cleaning If the sensor angle is adjusted the user detection may be compromised Light Curtains Use a dry cloth optical lens or screen wipe to remove dust dirt grease or finger marks The Light Curtain is calibrated to detect glass objects...

Страница 162: ...ontaminated parts to avoid the risk of electric shock 14 3 Maintenance 14 3 1 Faulty replacement parts If a faulty part has been identified section 13 1 the Auto Sash Control system should be isolated and marked as Faulty do not use Out of service until a replacement part has been fitted The fume cupboard can be operated manually during this period No special tools or parts are required for mainte...

Страница 163: ...lug in connections Airflow sensor Remote SM7 ILS In line Sensor Pushbuttons Three Configurable pushbuttons Display Digital velocity display m sec Graphical display Green Safe Amber Caution Red Alarm Com port RS485 com port Modbus RTU and BACnet Alarm indication Red graphic with Audible alarm 15 1 2 Operational information Specification AFA4000 Alarm range 0 20 2 00 m s remote SM7 or ILS Airflow se...

Страница 164: ... velocity calibration with on screen instructions Accuracy Face velocity 5 15 1 3 I O Specification AFA4000 Digital output 3 configurable outputs Digital input 3 configurable inputs Night setback Digital input activation Sash high Digital input activation via proximity sensor or micro switch 15 1 4 Temperatures Specification AFA4000 Monitor operating range 13 to 30 C Airflow sensor operating tempe...

Страница 165: ... 3 A 2 m power lead with plug in connector 0 75 mm2 300 V 6 A rated cable Keypad 16 2 Backlit LCD display with pushbuttons UK single gang socket 85 mm x 85 mm version US single gang socket 3 x 2 version Drive Motor Assembly PWM output DC motor and clutch Chain and sprocket shaft drive Sash wire pulley drive Rack and pinion sash direct sash drive Personnel Sensor PIR with background re learn functi...

Страница 166: ...lays etc BMS Inputs 4 programmable volt free inputs Open sash Close sash Fire Alarm close sash Emergency open close sash BMS Outputs Programmable volt free sash position outputs Voltage 0 10 V 1 10 V 0 5 V 1 5 V Current 0 20 mA 4 20 mA Always Open Closed Open Close on sash fault alarm Open Close on user detected Open Close on obstruction detected Open Close on sash open closed Remote audible alarm...

Страница 167: ...ent open closing closed etc Connections Flying leads with plug in connections All cable lengths can be specified Agency Listing CE RoHS Mains Power Protection On board fuse F1 3 15 A 250 V rated 15 2 2 Environmental conditions Rating Notes Pollution Degree Pollution degree 2 Laboratory Areas Over Voltage Category 300 V Cat II Operating Temperature Range 20 to 60 C Operating Humidity Range 20 90 RH...

Страница 168: ...7 2 m flying lead with 4 way plug in terminal block Motor 0 24 Vdc PWM Output Clutch 24 Vdc Max total power 135W 5 6A Personnel Sensor CN6 2 m flying lead with 4 way plug in terminal block Max 24 Vdc 100 mA PTC Fused 200 mA Sash Position Sensor CN5 2 m flying lead with 3 way plug in terminal block Bottom Switch 24 V PTC Fused 200 mA Sash Pos Sensor 3 3 Vdc 43 mA Max Sash Sensor CN3 PIR sensor with...

Страница 169: ...ternal Sounder 2 way 0 10 V Max 10 V Current limited 4 20 mA Max 24 V Max 24 Vdc 100 mA PTC Fused 200 mA BMS Digital Inputs CN10 4 programmable digital inputs 8 way plug in terminal block Max 24 Vdc 100 mA per input Input impedance 100 kΩ RS485 Comms Optional Plug in expansion module 8 way plug in terminal block Isolated RS485 output 15 2 4 Supply and field wiring requirements Mains 5Supply UK 3 p...

Страница 170: ...or draw wire is free and is not catching 15 2 5 2 3rd party equipment All 3rd party equipment must be within the electrical specification page 165 and the connection diagram on page 90 All 3rd party equipment performance must comply with the requirements of the Auto Sash controller Parameter re configuration may be required when the equipment does not meet the required performance characteristics ...

Страница 171: ...er Seller makes no warranty with respect to and shall have no liability in connection with any goods which are incorporated into other products or equipment by the Buyer All goods returned under warranty shall be at the Buyer s risk of loss Seller s factory prepaid and will be returned at Seller s risk of loss Buyer s factory prepaid The foregoing is IN LIEU OF all other warranties and is subject ...

Страница 172: ...haser and all users are deemed to have accepted the terms of this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of Seller This LIMITATION OF WARRANTY AND LIABILITY may not be amended or modified nor may any of its terms be waived except by a writing signed by an authorized representative of the Seller ...

Страница 173: ...54 AFA4000 2 AS 54 LED indicators 16 overview 12 pushbuttons 16 alarm indications 158 alarms 14 audible alarm 16 auto sash controller calibration 95 cleaning 161 contamination 162 installation 56 control box wiring diagram 90 control unit 56 mounting 56 wiring 57 keypad alarm panel 59 fitting 59 motor drive unit 60 chain and sprocket 65 chain and sprocket counterweight drive 66 rack and pinion 61 ...

Страница 174: ... 101 sash lock function 100 sash low switch 105 sash position sensor 104 start up 98 tilt switch 104 sash lock function 96 Tiptronic auto sash controller notes 96 cleaning and maintenance 161 auto sash controller cleaning 161 contamination 162 maintenance 162 com port 21 communications 21 configuration 106 AFA4000 2 configuration menus 106 BACnet settings menu 113 cal config menu 110 hours counter...

Страница 175: ...flow monitor 145 auto sash controller 146 control philosophy 146 modes of operation 146 auto open 147 bms inputs 148 sash lock 149 user not detected 147 user present 147 operation and alarm indication 149 alarm indications 151 auto sash settings 150 RUN mode 149 outputs 20 analogue 20 relays 20 overview airflow monitor 12 alarms 14 components 29 controls 16 display 12 display features 13 display p...

Страница 176: ... 163 physical 163 regulatory 165 temperatures 164 auto sash controller 165 auxiliary equipment interconnections 170 connections 168 environmental 167 general 165 wiring requirements 169 Tiptronic Auto Sash Controller calibration notes 96 troubleshooting 152 alarm indications 158 diagnostics menu 156 fault finding 152 AFA4000 2 152 auto sash 154 RS485 comms 153 warnings 7 labels 7 notices 7 warrant...

Страница 177: ...Temperature Electronics Ltd Unit 2 Wren Nest Road Glossop SK13 8HB United Kingdom T 44 0 1457 865 635 E sales tel uk com www tel uk com ...

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