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Related Manuals for Kendro HERAsafe KS Series
Summary of Contents for Kendro HERAsafe KS Series
- Page 1 Service Instructions Safety Cabinet HERAsafe KS / KSP Valid: 12.2004 / 50077494 C...
- Page 2 These service instructions are protected by copyright. Rights resulting thereof, particularly reprint, photomechanical or digital postprocessing or reproduction, even in part, are only allowed with the written consent of Kendro Laboratory Pro- ducts GmbH. This regulation does not apply to reproductions for in-plant use.
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Page 3: Table Of Contents
Service Instructions Safety Cabinet HERAsafe KS / KSP Content General notes ..................8 Safety instructions for service work ..........8 Warranty ..................9 Explanation of symbols ..............9 1.3.1 Symbols used in the service instructions: ........ 9 1.3.2 Symbols on the device: ............10 1.3.3 Additional symbols on the device (EN version): .... - Page 4 Service Instructions Safety Cabinet HERAsafe KS / KSP Content Replacing the downflow filter ............36 Replacing the prefilter ..............36 10. Blowers ....................38 10.1 Replacing the exhaust blower ............. 38 10.2 Replacing the downflow blower ........... 39 11. Pressure sensors ................. 40 11.1 Replacing pressure sensors ............
- Page 5 Service Instructions Safety Cabinet HERAsafe KS / KSP Content Prefilter element leakage test ............76 Inflow velocity test ..............80 A.8.1 Alternative measurement of the inflow velocity in the work aperture (NSF 49) ............80 A.8.2 Alternative measurement of the inflow velocity in the work aperture (EN 12469) ............
- Page 6 Service Instructions Safety Cabinet HERAsafe KS / KSP Figures Fig. 1 Exhaust system accessories ......... 16 Fig. 2 Exhaust system accessories for disinfection ....17 Fig. 3-a Installing the KS racks ........... 18 Fig. 3-b Installing the electrical KS rack ........19 Fig.
- Page 7 Service Instructions Safety Cabinet HERAsafe KS / KSP Figures Fig. A 6 Test grid above the exhaust aperture ......85 Fig. A 7 Downflow velocity test arrangement in accordance with NSF 49, Annex A ........... 87 Fig. A 8 Downflow velocity test arrangement in accordance with EN 12469 / DIN 12980 ..........
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Page 8: General Notes
• The replacement of defined spare parts must be performed only by the Tech- nical Service of Kendro Laboratory Products or by authorized service per- sonnel that has been trained by Kendro Laboratory Products. •... -
Page 9: Warranty
• only original spare parts and accessories that have been defined and approved by Kendro Laboratory Products are used. The use of other parts presents unknown hazards and must therefore be refrained from. •... -
Page 10: Symbols On The Device
Service Instructions Safety Cabinet HERAsafe KS / KSP General notes Electric shock hazard! Biohazard! Hazardous gases! 1.3.2 Symbols on the device: Observe operating instructions (switchbox ceiling) Biohazard (left front of device) or alternatively Cytostatic agents (left front of device) T5A fusing for sample chamber outlets (switchbox front) RS 232 interface (switchbox front) Valid: 12.2004 / 50077494 C... -
Page 11: Additional Symbols On The Device (En Version)
Service Instructions Safety Cabinet HERAsafe KS / KSP General notes Armrest installation (right side of light dome) 1.3.3 Additional symbols on the device (EN version): Safety-tested (light dome) 1.3.4 Additional symbols on the device (NSF version): NSF symbol (light dome) ETL symbol (light dome) Valid: 12.2004 / 50077494 C... -
Page 12: Safety Instructions For Repairs
Service Instructions Safety Cabinet HERAsafe KS / KSP General notes Safety instructions for repairs The general safety instructions point out potential hazards during repairs. To pre- vent constant repetitions, the following safety instructions are not mentioned ex- plicitly in the individual sections; instead, the sections contain only references to the general safety instructions. - Page 13 Service Instructions Safety Cabinet HERAsafe KS / KSP General notes WARNING - Electric shock hazard! Contact with current-carrying components may cause a lethal electric shock. Motor-driven moving device components may cause injuries when switched on accidental- Prior to repairs, disconnect the device from the power supply system! 1.
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Page 14: Standards And Safety Regulations
Service Instructions Safety Cabinet HERAsafe KS / KSP General notes Standards and safety regulations The device complies with the safety requirements of the following standards and directives: USA / Canada • UL 61010A-1 First Edition CAN/CSA-C22.2 No.1010.1-92 (Rev 1997/02/01) • Only KS version: NSF / ANSI 49 - 2002 Europe / Middle East / Africa •... -
Page 15: Tools And Auxiliaries
Service Instructions Safety Cabinet HERAsafe KS / KSP Tools and auxiliaries Auxiliaries Screw connections: All screw connections have metric threads. Screw lockings: All retaining screws with a diameter of 3 mm or more must be installed with a separable adhesive (medium tight) before they are tightened. Recommended product: Loctite 586. -
Page 16: Accessories
Service Instructions Safety Cabinet HERAsafe KS / KSP Accessories NOTE - Item numbers The item numbers refer to the spare parts list at the end of these service instructions. Exhaust system accessories Item 1380 (filter) Fig. 1: The safety cabinet can be equipped with the following exhaust system accessories. -
Page 17: Exhaust System Accessories For Disinfection
Service Instructions Safety Cabinet HERAsafe KS / KSP Accessories 7. The supplied adapter [8] (∅ ∅ ∅ ∅ ∅ 200 mm) is screwed onto the aperture of the exhaust manifold or draft interruptor. 8. The pipe fitting can be installed to the exhaust manifold eit- her at the top [9] or at the side aperture [10]. -
Page 18: Fixed Rack
Service Instructions Safety Cabinet HERAsafe KS / KSP Accessories Fixed rack KS version: Item 1370 (stand) Item 1360 (roller) 1. Fig. 3a: Secure the two sidemembers [1] to the crossmem- ber [3] using the screws [4]. 2. Place the safety cabinet onto the rack. Check to see if the locating pins [10] are positioned correctly in the receptacles at the lower device frame. -
Page 19: Height-Adjustable Rack With Electric Drive
Service Instructions Safety Cabinet HERAsafe KS / KSP Accessories Height-adjustable rack with electric drive KS version: Pos. 1400 (lift unit left) Pos. 1410 (lift unit right) Item 1420 (control) Pos. 1430 (remote control Multilift) Pos. 1440 (operation instructions Multilift) Fig. 3b: The height of the electrically height-adjustable rack can be set within a range of 680-880 mm. -
Page 20: Drain Valve (Optional)
Service Instructions Safety Cabinet HERAsafe KS / KSP Accessories Drain valve (optional) Item 1000 (ball valve, adjustable) Item 1010 (drain with ball valve) Fig. 4: The drain valve [2] can be installed to the floorpan in the left front area of the sample chamber. The access opening is sealed by a panel [3] that is secured merely by the sealant. -
Page 21: Media Connections
Service Instructions Safety Cabinet HERAsafe KS / KSP Media connections Installation points for media valves (opti- onal) at the sample chamber rear panel Fig. 5: The supply lines for media commections are preinstalled to the device frame and are routed to the sample chamber rear panel through the ceiling openings [1]. -
Page 22: Installation Points At The Sample Chamber Sidewalls
Service Instructions Safety Cabinet HERAsafe KS / KSP Media connections Installation points at the sample chamber sidewalls Item 170 (plug for lead-ins) Item 180 (flat gasket for screw plug USA) Item 310 (3/8" plug) Fig. 6: The standard equipment of the device comprises two lead-ins [1] and [2] per sidemember. -
Page 23: Installing Media Valves
Service Instructions Safety Cabinet HERAsafe KS / KSP Media connections Installing media valves Item 320 (bezel) Item 910 (wall bezel for media valve) Installing media valves to the rear panel: The media valves at the device rear panel are screwed into the preinstalled connections. -
Page 24: Fig. 8 Media Valve Installation At The Sidewall
Service Instructions Safety Cabinet HERAsafe KS / KSP Media connections Installing media valves to the sidewall: Fig. 8: The media valves are installed to the preinstalled lead- ins [1]. 1. Move the front window to the maximal opening position. 2. Switch the device off, disconnect it from the power supp- ly system, and protect it from accidental reconnection. -
Page 25: Lamps
Service Instructions Safety Cabinet HERAsafe KS / KSP Lamps Replacing the luminescent tubes Item 820 (luminescent tube) Item 870 (light dome) Fig. 9: The sample chamber is illuminated by two luminescent tubes [3]. The sprung tube sockets are installed at the front door mounting frame [4]. -
Page 26: Replacing The Illumination Power Supply Unit
Service Instructions Safety Cabinet HERAsafe KS / KSP Lamps Replacing the illumination power supply unit Item 800 (power supply unit) Fig. 10: The power supply unit [3] for the two luminescent tubes is attached to the light dome mounting frame. 1. -
Page 27: Replacing The Uv Lamp Power Supply Unit
Service Instructions Safety Cabinet HERAsafe KS / KSP Lamps Replacing the UV lamp power supply unit Item 40 (power supply units) Item 50 (terminal) Items 60, 70 (interior chamber shrouds) Items 1110, 1120 (workplates) Item 190 (sealant) Fig. 12: The two power supply units [5] for the device-integral UV lamps are installed to the insert bezels [4]. -
Page 28: Internal Outlets
Service Instructions Safety Cabinet HERAsafe KS / KSP Internal outlets Replacing outlets for accessories Items 80, 90 (outlet) Item 190 (sealant) Fig. 13: On both sidewalls of the sample chamber, two out- lets [3] (max. overall current 5 A) are installed for the power supply of accessories. -
Page 29: Display Panel
Service Instructions Safety Cabinet HERAsafe KS / KSP Display panel 8. Insert the disinfection adapter into the recess [7] and se- cure it to the holes [8] at the sidewall using the screws. 9. Seal the joint between sidewall and disinfection adapter using sealant. -
Page 30: Replacing The Keyboard Foil
Service Instructions Safety Cabinet HERAsafe KS / KSP Display panel Replacing the keyboard foil Item 775 (keyboard foil) Item 780 (spacer for keyboard foil PCB) Item 785 (PCB for keyboard foil) Item 790 (connecting cable, keyboard foil-to-PCB) Fig. 15: The keyboard foil [5] is supplied together with the auxiliary PCB [4] and the bus cable [2]. -
Page 31: Side Window
Service Instructions Safety Cabinet HERAsafe KS / KSP Side window Replacing the side window Item 30 (side window) Item 190 (sealant) Item 900, 910 (metal shroud) Item 920 (adhesive tape) Fig. 17: The side window [1] is secured to the housing frame using sealant. -
Page 32: Filter Components
As filter replacement is regarded as an inter- ference with the safety system of the device, this work must only be carried out by the Tech- nical Service of Kendro Laboratory Products or by specially trained and authorized service personnel. -
Page 33: Installing/Removing The Perforated Panel (Filter Protection)
Service Instructions Safety Cabinet HERAsafe KS / KSP Filter components • Prior to inspections or repairs, check to see if the device has been cleaned and disin- fected. • Ask the operator for a certificate of nonob- jection with indications to the execution of the decontamination measures. -
Page 34: Replacing The Inlet Protection (Applications In Eu / Emea Only)
Service Instructions Safety Cabinet HERAsafe KS / KSP Filter components 7. Install the cover panel and tighten the retaining screws by hand. 8. Secure the front door to the threaded sleeves at the device frame using the two tabs [1]. Replacing the inlet protection (applicati- ons in EU / EMEA only) KS version:... -
Page 35: Replacing The Exhaust Filter
Service Instructions Safety Cabinet HERAsafe KS / KSP Filter components Replacing the exhaust filter Item 205 - 235 (pressure frame assy) Item 300 (exhaust filter) Fig. 21: The exhaust filter [2] is located on a frame [4] above the downflow plenum. The housing of the exhaust plenum [1] is supported to the left and right side of the frame by two gui- de rails and can be removed from the device plenum cham- ber by pulling it forward. -
Page 36: Replacing The Downflow Filter
Service Instructions Safety Cabinet HERAsafe KS / KSP Filter components Replacing the downflow filter Item 290 (downflow filter) Item 250 (pressure profile) Item 205 (screws) Fig. 22: The downflow filter [3] is located below the downflow blower plenum. The plenum has a hinge [4] at its back and can be swivel upward with the blower after the exhaust plenum has been removed (see Section 9.4) 1. -
Page 37: Fig. 23 Prefilter Replacement
Service Instructions Safety Cabinet HERAsafe KS / KSP Filter components NOTE - Disposal procedure If contaminated with cytostatic agents: 1. Seal filter openings using foils and tape. 2. Stow the prefilter elements in the sample chamber into the disposal container and store them temporarily in the external cy- tostatic agent container. -
Page 38: Blowers
Service Instructions Safety Cabinet HERAsafe KS / KSP Blowers 10.1 Replacing the exhaust blower Item 200 (exhaust blower) Item 205 (screw) Fig. 24: The exhaust blower [1] is attached with three tabs [2] to the exhaust plenum [4] at the wall panel and secured using two screw. -
Page 39: Replacing The Downflow Blower
Service Instructions Safety Cabinet HERAsafe KS / KSP Blowers 10.2 Replacing the downflow blower Item 240 (downflow blower) Fig. 25: The downflow blower [2] is mounted to a crossmember [7] in the downflow plenum [1]. 1. Switch the device off, disconnect it from the power supp- ly system, and protect it from accidental reconnection. -
Page 40: Pressure Sensors
Service Instructions Safety Cabinet HERAsafe KS / KSP Pressure sensors 11.1 Replacing pressure sensors Item 260 (pressure sensor) Item 270 (test hose plug) Item 275 (test hose plug connection) Item 280 (label set, Exhaust/Supply) Item 990 (hose) Fig. 26: The pressure switches for the exhaust air [4] and for the downflow air [2] are installed to a plate at the the plenum chamber ceiling [9]. -
Page 41: Front Door Components
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.1 Replacing the front door assembly Item 370 (sleeve) Item 380 (hinge bolt) Item 390 (bearing shell shim ring) Fig. 27: The hinge bolts secure the front door [2] to the two hinges [1] of the device frame. -
Page 42: Fig. 28 Hinge Bolt Removal
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components NOTE - Gas struts Before the bolts can be removed from the hin- ge, the gas struts on both sides of the front door must be removed as otherwise the strut pressure will press the front door away from the housing frame. -
Page 43: Replacing The Gas Struts
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.2 Replacing the gas struts Item 720 (gas strut complete) Fig. 29: Each of the upper and lower retaining bolts [1] of the gas strut is secured with a spring clip [2]. 1. -
Page 44: Replacing The Front Frame Latch
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.4 Replacing the front frame latch Item 400 (front frame latch) Item 410 (slide for hinge window latch) Item 420 (bolt M 4 x 30 for slide) Items 640, 650 (cable retainer) The latch is secured to the front door with two screws. -
Page 45: Replacing The Front Window
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.6 Replacing the front window Item 700 (front window) Item 710 (front window cross-section) Items 640, 650 (cable retainer) The front window [4] is removed forward or downward from the front door frame. -
Page 46: Adjusting The Front Window
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.7 Adjusting the front window The front window is self-adjusted by the tension of the window drive [2]. 1. Fig. 35: Loosen the motor mounting bracket [3] at the moun- ting frame. -
Page 47: Adjusting The Switch Points
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 12.8 Adjusting the switch points Items 660-690 (switch actuator set) Items 610-630 (position switch) Item 1250 (PCB) Device functions that depend on individual front window po- sitions are controlled by position switches. The position swit- ches are actuated by switch contacts on the front window. -
Page 48: Replacing The Front Window Drive
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components work opening reduced ventilation 12.9 Replacing the front window drive Items 480-550 (window drive) Item 450 (grommet) Items 460, 470 (deflection roller) Items 560-600 (stainless-steel cable) Item 1260 (cable control) Fig. -
Page 49: Replacing The Front Window Safety Feature Battery
Service Instructions Safety Cabinet HERAsafe KS / KSP Front door components 14.Install the guard to the mounting bracket and twist the tabs [2] with pliers so that the guard is attached tightly to the mo- tor mounting bracket [5]. 15.Install the motor mounting bracket to the mounting frame and secure it USING the screws. -
Page 50: Control Box Components
Service Instructions Safety Cabinet HERAsafe KS / KSP Control box components 13.1 Replacing control box electrical compo- nents Item 1170 (control box cover) Item 1190 (master PCB) Items 1200-1210 (power supply units) Item 1240 (fuses) Items 1230, 1260 (fuse holder) Item 1220 (terminal strip) Items 1280-1330 (wiring kits) Item 330 (power supply cables) -
Page 51: Connecting The Alarm Contact
Service Instructions Safety Cabinet HERAsafe KS / KSP Control box components 13.2 Connecting the alarm contact The device can be connected to two different configurations of an external alarm system. Fig. 40: Potential-free contact (Vent.): Control of external exhaust air systems. •... -
Page 52: Device Control Programming
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 14.1 Setting the remote control Item 1060 (remote control battery) Item 1070 (remote control) Item 1080 (remote control mounting) Item 1090 (suction cup) Item 1100 (protective cover) Navigation along the functional levels of the service softwa- re is only possible after the IR address of the remote control has been set to 0 (Master). -
Page 53: Service Level
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming Disinfection level: The disinfection commands are used for controlling a disinfection routine using formaldehyde. 14.3 Service level The service software consists of 14 functional levels. Each level addresses one specific device function by changing and saving the pertaining parameter va- lues. - Page 54 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming Overview error code of front window function: Indication Status of the front window Check switch code 0100 Function is correkt 1100 S6 and/or S11 Front window in maximal opening position 0101 1101 S7 and S6 and/or S11...
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Page 55: Service Level Settings
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 14.3.2 Service level settings Fig. 41: The service level is selected from the operator level. The display panel [1] shows the current state of navigation as an alphanumeric combination (S indicates the service level, 01 indicates the first of 14 functional levels). - Page 56 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming Keyboard foil: 1. To go from the operator level to the service level: Keep the " and and keys depressed for approx 10 seconds The ready signal sounds. You are now on the first functional level of the service level, S 01.
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Page 57: Parameter Levels
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming To save input values for S1, S2, S3, and S5 (version 1.07 or higher): Press the key Change the value (if the value remains unchanged, the timer elapses backward, after approx. - Page 58 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming Level Function KS/KSP 9 KS/KSP 12 KS/KSP 15 KS/KSP 18 Silenced alarm repeated after 0 – 60 Minuten Holding time for key press code in seconds Duration in minutes for automatic return from service level Downflow velocity increase display Audible signal after P 16 elapses for 0 –...
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Page 59: Parameter Level Settings
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 14.4.2 Parameter level settings Fig. 42: The parameter levels are requested from the service level. The display panel [1] shows the current state of navigation as an alphanumeric combination (P indicates the parameter level, 01 indicates the first of 23 functional levels). - Page 60 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 7. To save the input value: Press the key If the setting is not saved, the input is reset to the ori- ginal value after approx 15 minutes. 8.
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Page 61: Configuring The Switching States Of A Device Control
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 7. To save the input value: Press the key If the setting is not saved, the input is reset to the original value after approx 15 minutes. 8. To return from the parameter level to the operator level: Press the ! key 14.4.3 Configuring the switching states of a device control... - Page 62 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming D421, for example, breaks down as follows: In accordance with the factory setting (D), a safety cabinet KS / KSP 12 (4) for the configuration identifier 21 has the following switching states: P 03 = 1 P 04 = 0 P 05 = 1...
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Page 63: Disinfection Level
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 14.5 Disinfection level The disinfection commands are used for controlling a disinfection routine with formaldehyde. It consists of 7 functional levels. On each level, a specific set- ting for the disinfection routine can be made by changing and saving the para- meter values. -
Page 64: Disinfection Level Settings
Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 14.5.2 Disinfection level settings Fig. 39: The disinfection levels are requested from the service level. The display panel [1] shows the current state of navigation as an alphanumeric combination (D indicates the disinfection level, 01 indicates the first of 7 functional levels). - Page 65 Service Instructions Safety Cabinet HERAsafe KS / KSP Device control programming 8. To return from the disinfection level to the operator level: Press the key Keyboard foil: 1. To go from the operator level to the service level: Keep the " and and keys depressed for approx 10 se- conds The ready signal sounds.
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Page 66: Auto-Calibration Routine
Service Instructions Safety Cabinet HERAsafe KS / KSP Auto-calibration routine 15.1 Function of the auto-calibration routine You can use the auto-calibration routine to automatically approach the air ve- locities and alarm limits determined during the factory test or the values of a standard parameter set determined during comparison tests. -
Page 67: Automatic Interruption Of The Auto-Calibration Routine
Service Instructions Safety Cabinet HERAsafe KS / KSP Auto-calibration routine 15.3 Automatic interruption of the auto-calibration routine During the first minutes after the auto-calibration routine has started, pressure values are determined. If the total deviation of these averages excesses the value set in P31 or if the front window is moved out of the working position, the auto- calibration routine is interrupted and will be resumed only after the start condi- tions described in Section 15.2 have been complied with. -
Page 68: Manual Start Of The Auto-Calibration Routine
Service Instructions Safety Cabinet HERAsafe KS / KSP Auto-calibration routine 15.6 Manual start of the auto-calibration routine The auto-calibration routine can be restarted after an abortion only by: • Changing the parameter S16 on the service level from 0 to 1 or 2 and sa- ving it. -
Page 69: Installation Test / Repeat Test
(every three or six months). Test terms Nominal value: Default value as specified by Kendro Laboratory Products. Measured value: Value measured at the location of the safety cabinet. Tolerance: Acceptable deviation from the nominal value. -
Page 70: Extent Of The Tests
A sample test report is attached at the end of this section. Testing equipment For the conduction of the tests, Kendro Laboratory Products recommend testing equipment of the manufacturers listed below. A. 4.1 Manufacturers in USA... -
Page 71: Manufacturers In Europe
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Testing equipment Manufacturer Application Air Techniques Photometer Filter leak test Owing Mills, Maryland, 21117 Air Techniques Aerosol Generator Generation of aerosol mist Owing Mills, Maryland, 21117 Quest Technologies Vibration Meter Vibration test Oconomowoc, Wisconsin, 53066... -
Page 72: Electrical Safety Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Electrical safety test Purpose of the test: This test is conducted to check the electrical safety after the cabinet has been installed and during the annual safety inspection. The following is tested: Application in USA/Canada (NSF 49): •... - Page 73 Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test B. Testing for ground circuit resistance 1. Switch all electrical switches of the safety cabinet to position OFF. 2. Plug the ESA power plug into the outlet of the power supply. 3.
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Page 74: Hepa Filter Leakage Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test HEPA filter leakage test Purpose of the test This test is conducted to check the HEPA downflow and exhaust filters, the fil- ter housings, and the mounting frames for possible leakage. Testing equipment Aerosol photometer with linear or extended logarithmic scale. -
Page 75: Fig. A 1 Hepa Filter Leakage Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test 1. Fig. A1: Route the hose [5] of the aerosol generator [6] so that the aerosols are supplied to the downflow upward air- flow. 2. Connect the Supply test hose [2] of the downflow unit to the connecting hose [3] of the testing equipment [4]. -
Page 76: Prefilter Element Leakage Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Prefilter element leakage test KSP version: Purpose of the test This test is conducted to check the HEPA downflow and exhaust filters, the fil- ter housings, and the mounting frames for possible leakage. Testing equipment Aerosol photometer with linear or extended logarithmic scale or particle moni- tor. -
Page 77: Fig. A 2 Inflow Velocity Test Arrangement Nsf 49
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Application in EU (EN 12469 / DIN 12980): The measurements are conducted using a particle monitor. To assess the ambient conditions: 1. Fig. A2: Connect the particle monitor connecting hose to the connection [1] or [8]. -
Page 78: Fig. A 3 Inflow Air Volume Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Calculating the maximal permissible particle quantity R x dilution rate x filter quantity* 100000 (* Number of remaining uncovered filters; the number de- pends on the device version.) 8. - Page 79 Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Application in USA/Canada (NSF 49) The measurements are conducted using an aerosol photometer. Prior to the measurements, the testing equipment must be calibrated in accor- dance with the manufacturer’s instructions and the values for 0 % and for 100 % must be determined.
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Page 80: Inflow Velocity Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Inflow velocity test Purpose of the test This test is conducted to determine the nominal value of the inflow velocity. Value to be determined Inflow velocity V Test methods Application in USA/Canada (NSF 49): •... - Page 81 Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Accuracy of the testing equipment Accuracy of ± 0.01 m/s (± 2 ft/min) or a maximal deviation of 3 % from the indicated airflow velocity. Test measurement 1.
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Page 82: Alternative Measurement Of The Inflow Velocity In The Work Aperture (En 12469)
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.8.2 Alternative measurement of the inflow velocity in the work aperture (EN 12469) Fig. A4a: The inflow velocity is measured at several measu- ring points in the work aperture. The front window is raised to the following heights A. -
Page 83: The Work Aperture (Nsf 49)
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.8.3 Direct measurement (DIM) of the inflow air volume in the work aperture (NSF 49) Fig. A5: The inflow air volume is measured in the work aperture. The flow hood [1] is installed in the work aperture [2], and the testing equipment vorgesehene Stelle an der Eintrittsöffnung is installed immediately at the flow hood discharge opening. -
Page 84: Calculating The Inflow Velocity (En 12469)
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Troubleshooting • Adjust the exhaust blower speed by changing value S02 (see Section 14.3) • Check the exhaust blower control voltage at master board. The control voltage in the value range of 0-10 V changes with the settings in S02. -
Page 85: Test Grid Above The Exhaust Aperture
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Values to be measured Direct exhaust velocity measured at nine measuring points. Values to be calculated Average value for exhaust velocity V Exhaust airflow volume R Average value for inflow velocity V Test grid above the exhaust aperture Fig. -
Page 86: Exhaust Airflow Volume Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Calculating the average value for the exhaust velocity V Sum of directly measured values Average value (V Number of measuring points Calculating the average value for the inflow velocity V (m/s) Acceptable values Application in EU (EN 12469 / DIN 12980):... -
Page 87: Downflow Velocity Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test • Replace the exhaust filter. • Check the installed exhaust system for correct function. If installed, change the size of the draft interruptor or check the exhaust plenum (air door) for correct function. Downflow velocity test Purpose of the test This test is conducted to check the nominal value of the down-... - Page 88 Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Test measurement 1. Switch the device on. 2. Move the front window to the working position. The lead time for the first measurement is 20 minutes. 3. Install the measuring head to the first measuring point. 4.
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Page 89: Fig. A 8 Downflow Velocity Test Arrangement In Accordance With En 12469 / Din 12980
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.9.2 Test in accordance with EN 12469 Fig. A8: The device is operated with a uniform displacement air- flow. Therefore, the measured values at the individual measuring points must be within 20 % of the average value. - Page 90 Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test Troubleshooting • Set the downflow blower speed by changing changing value S01 (see Section 14.3). The control voltage in the value ran- ge of 0-10 V changes with the settings in S01. The cont- rol voltage of the downflow blower must be coordinated with the settings in S01.
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Page 91: Airflow Pattern Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.10 Airflow pattern test Purpose of the test This test is conducted to check the behavior of the airflows in the sample chamber. Check to see if the displacement airflow passes along the entire work area, if the vertical passage is correct, and if air escapes through joints or seals of the hou- sing and of the front window. -
Page 92: A.10.3 Leakproofness Test For Edges And Corners
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.10.3 Leakproofness test for edges and corners 1. Fig. A10: Move the front window to the safe working position A. 2. Outside the front side of the sample chamber, pass a smoke tube from one end to the other along the work aperture at distance C of 4 cm (1.5 in.) with particular attention paid to the edges and corners of the work aperture. -
Page 93: Noise Level Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.11 Noise level test Purpose of the test (only for application in USA/Canada in accordance with NSF 49) This test determines the noise level produced by an operating safety cabinet as an aid in minimizing cabinet operator’s fa- tigue. -
Page 94: Lighting Intensity Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.12 Lighting intensity test Purpose of the test (only for application in USA/Canada in accordance with NSF 49) Checking the illumination in the sample chamber under ergo- nomic aspects. -
Page 95: Vibration Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.13 Vibration test Purpose of the test (only for application in USA/Canada in accordance with NSF 49). This test determines the amount of vibration with the blowers on. -
Page 96: Uv Intensity Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test A.14 UV intensity test Purpose of the test The power of the UV lamps will be considerably reduced after 1500 operating hours so that an effective UV disinfection is no longer ensured. Conduct this test only at the customer's request. -
Page 97: Inflow Velocity Alarm Values
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation test / Repeat test 4. Save the input value: Wait until the display shows . Remote control: Press the key Keyboard foil: Press the key A.15.2 Inflow velocity alarm values Application in EU (EN 12469): •... -
Page 98: Decontamination With Gas
Service Instructions Safety Cabinet HERAsafe KS / KSP Decontamination with gas Disinfection with formaldehyde Prior to any repairs in the contaminated area (blower/filter assembly), the de- vice and the filters must be completely decontaminated. Generally, a gas de- contamination using formaldehyde is performed. CAUTION –... - Page 99 Service Instructions Safety Cabinet HERAsafe KS / KSP Decontamination with gas B.1.2 Gas disinfection Application in USA/Canada (NSF 49) Application in EU (EN 12469) Ambient conditions The temperature in the work room should be approximately 21° C (40° F); the relative humidity should be between 60 and 85 %.
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Page 100: Fig. B 1 Disinfection Hood
Service Instructions Safety Cabinet HERAsafe KS / KSP Decontamination with gas Procedure 1. Switch the device OFF. 2. Fig. B1: Seal the exhaust aperture [4] absolutely airtight using the disinfection hood [3]: Install the disinfection hood to the premounted threaded holes [1] using the supplied screws [2]. -
Page 101: Installation Instructions, Ksp Version
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation instructions, KSP version Sequence of the installation For the start-up of the KSP version, five working steps are re- quired: 1. Install the device frame to the rack. 2. Equip the prefilter housing. 3. -
Page 102: Fig. C 2 Lifting Mechanism And Retaining Screws
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation instructions, KSP version 2. Fig. C2: Unscrew the threaded rods [4] using the hexagon disks [3] for approx. 10 cm until the stand height is identi- cal at all four pillars. 3. -
Page 103: Equipping The Prefilter Housing
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation instructions, KSP version Equipping the prefilter housing Fig. C3: The prefilter elements [1] are installed from right to left into the floorpan support frame. 1. Clean the contact surface for the seal [3] at the floorpan support frame [4] so that the surrounding sealing area is dust- and grease-free. -
Page 104: Conducting The Installation Test
Service Instructions Safety Cabinet HERAsafe KS / KSP Installation instructions, KSP version Conducting the installation test The measurements and calculations required for the installation test are des- cibed in Annex A. NOTE – Auto-calibration routine In accordance with national standards and regulations, the auto-calibration routine is not a substitute for a start-up by an authorized service technician. -
Page 105: Spare Parts
Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 1: Item Part No. Description Section CD documentation HERAsafe KS/KSP 50077473 — Wiring diagrams HERAsafe KS/KSP 50077286 — Side window, left, right, glass 50076199 Side window, left, right, stainless steel 50077323 Side window, left, right, macrolon (polycarbonate) 50077324... - Page 106 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 2: Item Part No. Description Section Flat gasket for screw-on cap USA 50077921 3.2/5.5 50044214 Sealant (silicone) transparent 6.1/6.2 Exhaust blower right adjustable KS/KSP 9/12/15/18 50078303 10.1 Exhaust blower left adjustable KS/KSP 15/18 50078304 10.1 9.5/9.6...
- Page 107 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 3: Item Part No. Description Section Plenum cover seal long KS/KSP 15 50082696 Plenum cover seal long KS/KSP 9 50082697 Front window seal KS/KSP 9 50073574 12.3 Front window seal KS/KSP 12 50073575 12.3 Front window seal KS/KSP 15...
- Page 108 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 4: Item Part No. Description Section Countersunk screw M 4 x 6 for switch actuator 56650741 12.8 Countersunk screw M 4 x 6 for switch actuator, plastic 50077615 12.8 Front window assy.
- Page 109 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 5: Item Part No. Description Section Adhesive label "Cytostatic agents..." 50047296 Adhesive label "Warning against poison" 50047013 Plenum cover KS/KSP 9 50075527 Plenum cover KS/KSP 12 50076771 Plenum cover KS/KSP 15 50075528 Plenum cover KS/KSP 18 50077372...
- Page 110 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 6: Item Part No. Description Section Workplate module KAM 30 1110 50072685 5.5/9.4 Lift strap for workplates 1120 50073370 5.5/9.4 Battery for front window emergency operation 1140 50081146 12.10 Battery clip for front window emergency operation 1150 50081150...
- Page 111 Service Instructions Safety Cabinet HERAsafe KS / KSP Spare parts List 7: Item Part No. Description Section 1410 50078614 Electrical lift unit "Multilift" right 1420 50078615 Control 230 V for "Multilift" 1420 50078616 Control 120 V for "Multilift" 1430 50078617 Remote control for "Multilift"...
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Page 112: Parameter Lists
Service Instructions Safety Cabinet HERAsafe KS / KSP Parameter lists Service parameter overview Level Function Values Set nominal value for downflow blower 1 - 100 %, Setting see Section A Set nominal value for exhaust blower 1 - 100 %, Setting see Section A Set downflow velocity alarm limit 1 - 100 %, Setting see Section A Set inflow velocity alarm linit (exhaust air) -
Page 113: Overview Error Code Of Front Window Function
Service Instructions Safety Cabinet HERAsafe KS / KSP Parameter lists Overview error code of front window function Indication Status front window Check switch code 0100 Function is correkt 1100 S6 and/or S11 Front window in maximal opening position 0101 1101 S7 and S6 and/or S11 0000 Function is correkt... -
Page 114: Function Parameter Overview
Service Instructions Safety Cabinet HERAsafe KS / KSP Parameter lists Function parameter overview Level Function KS/KSP 9 KS/KSP 12 KS/KSP 15 KS/KSP 18 Software version Parameter ID see "Configuration identifier overview" Window type UV lamp/socket 0 or 1, depending on device type No (0) or Yes (1) External consumer available No (0) or Yes (1) -
Page 115: Disinfection Parameter Overview
Service Instructions Safety Cabinet HERAsafe KS / KSP Parameter lists Disinfection parameter overview Level Function Value range Error detection in minutes 0–60 minutes Formaldehyde reaction time 0-12 hours Ammonia reaction time 0–12 hours Front window up time 0–30 seconds Exhaust blower power 0–100 % Downflow blower power 0–100 %... -
Page 116: Failure Codes
Service Instructions Safety Cabinet HERAsafe KS / KSP Failure codes Failure code overview Error code Fault cause ER 1 Pressure sensor 1 / supply ER 2 Pressure sensor 2 / exhaust ER 4 BUS error ER 5 RAM error ER 6 Remote control defect Valid: 12.2004 / 50077494 C... -
Page 117: Test Report
Service Instructions Safety Cabinet HERAsafe KS / KSP Test report Test report Device ID No: Device serial number: Date of test: Date of repeat test: Test results: Electrical tests Polarity: Ground resistance: Leakage currents: Airflow velocity tests Inflow velocity: Downflow velocity: Airflow pattern tests Airflow direction: Front window leakproofness:... - Page 118 Internet: http://www.kendro.com...
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