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Summary of Contents for Van Der Stahl LOS NT Series
- Page 1 Printed MAR 2015 6th Edition 6.02E MICROCOMPUTER-CONTROLLED N OZZL E - T Y PE VA C UUM A ND G AS - FL US HIN G S E A LE R LOS NT/NTW SERIES OPERATING INSTRUCTIONS LOS-NT1 SERIES LOS-NT2 SERIES LOS-NT3 SERIES LOS-NT4 SERIES LOS-NTW SERIES...
- Page 2 LOS-NT/NTW series Operating Instructions Ver.6.02E Thank you for your purchasing of LOS-NT/NTW series sealer LOS-NT/NTW series is a nozzle type vacuum/ gas-flushing sealer controlled by the microcomputer, which makes it possible to set up the various operation patterns that the customers require. Thanks to this options, there are quite a few points that we would like our customers to understand before actually using the sealer.
- Page 3 As a result of research to further improve the LOS-NT/NTW , some details in the operating instructions may differ from your actual machine. For operating problems or product information, please contact your local dealer or Van der Stahl Scientific. About the warning labels The following marks are used in this manual to easily identify the conditions of risks, damages, or some tips for the optimal use of your unit.
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Page 4: Table Of Contents
LOS-NT/NTW series Operating Instructions Ver.6.02E Table of contents Package contents ………………………………………………………………………………………… 6 Warning-Caution label location and content ………………………………………………………… 7 Operating precautions …………………………………………………………………………………… 9 For safety operation …………………………………………………………………………………………………………………………… 9 For smooth operation ……………………………………………………………………………………………………………………… 10 Other safeguards …………………………………………………………………………………………………………………………… 11 About the I-type heating element ………………………………………………………………………………………………………… 12 Outline of structure ………………………………………………………………………………………... - Page 5 LOS-NT/NTW series Operating Instructions Ver.6.02E 11 Specification …………………………………………………………………………………………… 45 12 SI units …………………………………………………………………………………………………… 46 13 Appearance dimensions drawing …………………………………………………………………… 47 14 Specifications of accessories ………………………………………………………………………… 48 14-1 NT series …………………………………………………………………………………………………………………………… 48 14-2 NTW series ………………………………………………………………………………………………………………………… 49 15 Electric diagram ………………………………………………………………………………………… 50 15-1 LOS-NT series electric diagram …………………………………………………………………………………………………… 50 15-2 LOS-NTW series electric diagram …………………………………………………………………………………………………...
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Page 6: Package Contents
LOS-NT/NTW series Operating Instructions Ver.6.02E Package contents Please check the following after opening the package: -Is the machine model the same as you have ordered? -Has any damage occurred during shipment? -Please make sure that all of the accessories described below are included. 2 Gas hose --- 1 1 Machines body --- 1 3 Foot switch --- 1 4 Accessories set... -
Page 7: Warning-Caution Label Location And Content
LOS-NT/NTW series Operating Instructions Ver.6.02E Warning-Caution label location and content Warning - Caution labels are placed in locations where there is a danger of injury to a person or damage to the machine. Label location details are illustrated below. Please check them before beginning operation. Labels not readily apparent are indicated by dotted lines. - Page 8 LOS-NT/NTW series Operating Instructions Ver.6.02E CAUTION When opening the cover for maintenance check, unplug the power cord from the socket to prevent the motor from operating. There is a danger of getting caught in the chain. W1166 CAUTION When adjusting the seal position up and down, do not place hands or fingers between gaps or they...
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Page 9: Operating Precautions
Do not use parts other than those specified Warning When replacing parts, always use only specified parts sold through Van der Stahl Scientific. We are not responsible for malfunctions caused by the use of unspecified parts. -
Page 10: For Smooth Operation
LOS-NT/NTW series Operating Instructions Ver.6.02E If the circuit breaker automatically turns to the OFF Warning position Trying to use the sealer when the circuit breaker automatically turns to the OFF position may cause electrocution. Do not operate the machine until the cause of the shut down is ascertained and the problem has been addressed. -
Page 11: Other Safeguards
Before using the machine, clean the sealing area. Other safeguards LOS-NT/NTW series are impulse sealer Van der Stahl Scientific sealers utilize an impulse heating system, meaning that the heater section does not become hot simply because the power has been turned on. -
Page 12: About The I-Type Heating Element
LOS-NT/NTW series Operating Instructions Ver.6.02E The LOS-NT/NTW series is installed with the I-type heating element, which is made of material whose thermal expansion is minimal. Because the I-type heating element expands less during heating compared to conventional heating elements, they are less likely to break, such as in the middle of the heating element. The I-type heating element may gradually turn black in color after repeated heating, but this will not have an effect on its use. -
Page 13: Outline Of Structure
LOS-NT/NTW series Operating Instructions Ver.6.02E Outline of structure LOS-NT/NTW series is installed with a nozzle, which moves back and forth, as well as the sponge rubbers at the upper and lower seal jaws to clamp the nozzle. After vacuuming, the nozzle in the front position moves backward and the sealing operation starts at the same time. -
Page 14: Major Parts And Function
LOS-NT/NTW series Operating Instructions Ver.6.02E Major parts and function Machine Control unit See the next page for the detail. Seal cover The angle of sealing area can be adjusted from horizontal to vertical with this handle. Sealing head ＵＰ UP/DOWN ＤＯＷＮ switch Lever cylinders (at each end) The cylinders are installed inside the seal cover. - Page 15 LOS-NT/NTW series Operating Instructions Ver.6.02E Control unit ⑧ ④ ⑦ ⑤ ⑥ ⑨ ③ ⑩ ⑪ ⑫ ② ⑬ ① 8 Liquid crystal display 1Power button Push to turn the power ON or OFF. (When circuit 9 Vacuum gauge breaker is ON.) Vacuum degree is shown by the level meter. 2 ENT button 10 Vacuum lamp Push to select the setting.
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Page 16: Preparation
LOS-NT/NTW series Operating Instructions Ver.6.02E Preparation Secure the work place Once work area is selected, lock the casters (4 pcs.) in the ON position. Caster Do not use the machine in a location Warning where it could tip over or where it is unstable. The machine may suffer damages if it falls over. -
Page 17: Install A Foot Switch
LOS-NT/NTW series Operating Instructions Ver.6.02E Foot switch is included in the accessories. Inert it to the Foot switch plug socket for the foot switch on the side of the machine. Collar Tighten the collar to fix the foot switch. Foot switch Set up an air source (The air compressor is not included in this machine. -
Page 18: Turn On The Breaker
LOS-NT/NTW series Operating Instructions Ver.6.02E Turn ON the breaker Turn the circuit breaker on before adjusting the sealing height. Circuit breaker ON Turn ON the power switch Push the power button on the control panel to turn ON the machine power. Adjusting the sealing height The height of the head of the sealer can be adjusted between 800 to 1370mm when the bag is set vertically to the head using the UP/DOWN buttons on the side of... -
Page 19: Adjusting The Sealing Angle
LOS-NT/NTW series Operating Instructions Ver.6.02E Adjusting the sealing angle Turn the adjuster knob on the right side of the machine while supporting the sealer head with your hand. The head will move to the vertical direction by turning it clockwise, while turning counterclockwise will move to the horizontal direction. -
Page 20: Test Emergency Stop System
Warning by pressing the emergency stop switch, follow the instructions below and contact Test button Van der Stahl Scientific. (Red) Press a red test button of the circuit breaker as in the right illustration. ・ When the circuit breaker turns OFF: an emergency stop switch may be broken. -
Page 21: Ball Cock For Gas Piping
LOS-NT/NTW series Operating Instructions Ver.6.02E 7-13 Ball cock for gas piping Nozzle is connected to vacuum piping and gas piping. To prevent the air from the counter current during the vacuuming operation, the ball cock is installed to the gas piping. Open When the gas flushing function in not used, please close the ball cock before starting the operation. -
Page 22: Proper Use Of The Sealer
LOS-NT/NTW series Operating Instructions Ver.6.02E Proper use of the sealer Four patterns of operating method are entered at the shipment from factory. These initial patterns can be changed and the new pattern also can be added. Maximum 10 patterns can be entered. Please set the optimum operating pattern for your sealing situation. [01] SEALING ONLY . -
Page 23: Operating Procedures
LOS-NT/NTW series Operating Instructions Ver.6.02E Operating procedures Four kinds of operating patterns are pre-installed at the time of factory shipment. Please read this chapter thoroughly and try this four patterns to have some rough idea on how the machine operates. Display at start up ... -
Page 24: Operation No. [01]
LOS-NT/NTW series Operating Instructions Ver.6.02E Operation No. [01] <Sealing only> Display ［01］ ［01］ HT xx x.xs xx HT xx xx F x.xs Operating Procedure Reference Item or Description 7 Preparation >>> 7-4 Set up an air source Open an air cock. A pressure lever opens. - Page 25 LOS-NT/NTW series Operating Instructions Ver.6.02E Depress the foot switch (2nd). When you depress the foot switch for the 2nd time, the following procedures (from 1 to 5) are performed automatically. 1) Sealing starts. 2) Heating lamp turns ON. lamp turns ON, indicating the cooling process has started. 5) Sealing process is complete.
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Page 26: Operation No.[02] < Manual Vacuuming And Sealing
LOS-NT/NTW series Operating Instructions Ver.6.02E Operation No.[02] < Manual vacuuming and sealing > Display ［02］ 1V MANUAL HT xx x.xs xx ［02］ 1V MANUAL HT xx xx F x.xs Operating Procedure Reference Item or Description 7 Preparation >>> 7-4 Set up an air source Open an air cock. - Page 27 LOS-NT/NTW series Operating Instructions Ver.6.02E Depress the foot switch (2nd). Pressure lever descends to clamp the pouch. Do not release the foot switch until the lever descends completely. When the lever is being lowered, removing foot from the Attention footswitch will raise the lever from its lowered position. Depress the foot switch (3rd).
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Page 28: Operation No.[03] < [1 Time] Timer Vacuuming, Gas-Flushing And Sealing
LOS-NT/NTW series Operating Instructions Ver.6.02E Operation No.[03] < [1 time] timer vacuuming, gas-flushing and sealing> Display ［03］ 1VTxx.x Gxx.x HT xx x.xs xx ［03］ 1VTxx.x Gxx.x HT xx xx F x.xs Operating Procedure Reference Item or Description 7 Preparation >>> 7-4 Set up an air source Open an air cock. - Page 29 LOS-NT/NTW series Operating Instructions Ver.6.02E Place a pouch to the sealing area. place the pouch to the seal area. Depress the foot switch (2nd). Pressure lever descends to clamp the pouch. Do not release the foot switch until the lever descends completely. When the lever is being lowered, removing foot from the Attention footswitch will raise the lever from its lowered position.
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Page 30: Operation No. [04] < [N Times] Timer Vacuuming, Gas-Flushing And Sealing
LOS-NT/NTW series Operating Instructions Ver.6.02E Operation No. [04] < [n times] timer vacuuming, gas-flushing and sealing > Display ［04］ 1VT xx.x Gxx.x xx VT xx.x Gxx.x HT xx x.xs xx ［04］ 1VT xx.x Gxx.x xx VT xx.x Gxx.x HT xx xx F x.xs Operating Procedure Reference Item or Description 7 Preparation >>>... - Page 31 LOS-NT/NTW series Operating Instructions Ver.6.02E Set the 1st vacuum time. [Setting range: 0.1 ~ 99.9 seconds] [Setting range: 0.1 ~ 99.9 seconds] Refer to “CONTROL UNIT FC16(6)R Operating Instructions” >>> 4-2-16 Set gas timer and the numbers of cycles for n-time gas mode.” Set the number of times for vacuum [Setting range: 2 ~ 99 times] Set the n-1th vacuum time.
- Page 32 LOS-NT/NTW series Operating Instructions Ver.6.02E Depress the foot switch (3rd). When you depress the foot switch for the third time, the following procedures (from 1 to 12) are performed automatically. 1 Vacuum starts (1st). Vacuum lamp turns ON. lamp turns OFF. 5 Vacuum starts (2nd). Vacuum lamp turns ON. turns OFF.
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Page 33: Finish Operation
LOS-NT/NTW series Operating Instructions Ver.6.02E Finish Operation Turn the power button off. Turn the circuit breaker off. Close the air cock Finish Finish of sealing Heating , cooling, and the seal pressure are the three essential parameters for impulse sealers to make a good seal, and also they greatly affect the seal finish. -
Page 34: Replacing The Routine Maintenance Parts
Do not replace parts according to other methods not described in the operating instructions. It Warning is dangerous if incorrect methods are used. When replacing parts, always use only specified parts sold through Van der Stahl Scientific. Warning Otherwise malfunction may occur. -
Page 35: How To Shift Fluoro Glass Sheet
LOS-NT/NTW series Operating Instructions Ver.6.02E How to shift fluoro glass sheet [Essential tools] Scissors [Replace when] Fluoro glass sheet breaks, burns, or when the seal becomes messy, etc. When fluoro glass sheet is damaged, pull it forward to cover the heating element with new (non damaged) part. If the fluoro glass sheet has adhered to the heating element, peel off it carefully. -
Page 36: Fluoro Glass Sheet Replacement
LOS-NT/NTW series Operating Instructions Ver.6.02E Fluoro glass sheet replacement [Essential tools] Scissors, Cellophane tape [Replace when] Spare (wound) fluoro glass sheet is short. Fluoro glass sheet on the lower lever Fluoro glass sheet on lower lever(for all model): for all models Remove the white plastic nuts that fix the lower Fluoro glass sheet roll bar sponge holder and roll bar holders. -
Page 37: Heating Element Replacement
“1”. For safety, always attach the electrode Caution cover after replacing the heating element. Always use a Van der Stahl Scientific- designated, special heating element for replacement. Using a heating element other than the designated heating element may cause the transformer to be heat- damaged. - Page 38 LOS-NT/NTW series Operating Instructions Ver.6.02E Lower side For 1500 model The heating element is covered with fluoro glass Plastic nut (white) sheet. Loosen the white plastic nuts and free a fluoro glass sheet roll bar. Flip the fluoro glass sheet as per in the right illustration to uncover the heating element.
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Page 39: Silicone Rubber Replacement
LOS-NT/NTW series Operating Instructions Ver.6.02E Silicone rubber replacement Silicone rubber 600, 800, 1000 model : TIPS textured Over 1200 sealing length model : flat [Essential tools] Industrial-purpose alcohol/ Ethanol [Replace when] The surface of the silicone rubber becomes uneven. For double-side heating type, remove the fluoro glass sheet, heating element, glass tape, temperature sensor, etc. -
Page 40: Temperature Sensor Module Replacement
LOS-NT/NTW series Operating Instructions Ver.6.02E Temperature sensor module replacement [Essential tools] Phillips screwdriver Screw C [Replace when] Temperature sensor is damaged. Temp sensor module Module fixing plate B Screw B Temperature sensor module is sold individually. Remove the fluoro glass sheet and heating element. Remove the screw A and screw B with Phillips screwdriver then sensor fixing plates. -
Page 41: Glass Tape Replacement
LOS-NT/NTW series Operating Instructions Ver.6.02E Glass tape replacement [Essential tools] Scissors, Philips screwdriver, Alcohol (Ethanol) [Replace when] The heating element breaks often, the seal becomes messy, etc. The damage to the glass tape adhered Caution under the heating element will cause the insulation or sealing failure. Please check the glass tape as well when replacing the heating element, and replace it if necessary. -
Page 42: Sarcon Sheet Replacement (For Single-Side Heating Type)
LOS-NT/NTW series Operating Instructions Ver.6.02E Sarcon sheet replacement (For single-side heating type) [Essential tools] Scissors, Philips screwdriver, Alcohol (Ethanol) [Replace when] The heating element breaks often, the seal becomes messy, etc. Remove the fluoro glass sheet, heating element, the temperature sensor and glass tape as described in their respective replacement instructions. - Page 43 LOS-NT/NTW series Operating Instructions Ver.6.02E...
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Page 44: Maintenance For Parts
LOS-NT/NTW series Operating Instructions Ver.6.02E 10 Maintenance for parts Clean the nozzle When some sticky liquid like meat soup is inhaled through the nozzle during the vacuuming operation, it PU-16(union straight) adheres inside the nozzle, piping or coupler and makes the vacuum performance weak. Clean the nozzle periodically. -
Page 45: Specification
LOS-NT/NTW series Operating Instructions Ver.6.02E 11 Specification Model 1000 1200 1500 Single phase AC220V 50/60Hz Power source 5mm width Max. Power consumption [Momentary] (kW) 10mm width Sealing length (mm) 1000 1200 1500 Vertical 800 ~ 1370 (Variable) Sealing height (mm) Horizontal 1020 ~ 1590 (Variable) Seal angle 0 ~ 90°... -
Page 46: Units
LOS-NT/NTW series Operating Instructions Ver.6.02E The International System of Units (SI) is a consistent Unit of vacuum degree conversion chart system for the ordinary people as well as the Torr mmHg MPa （ kPa） professionals. This logical unit system is used in every field from ‑ 0.01 （ ‑ 10） science to industry, to education and even daily life. -
Page 47: Appearance Dimensions Drawing
LOS-NT/NTW series Operating Instructions Ver.6.02E 13 Appearance dimensions drawing 600 model C 50 Effective （D） seal length Only for NT series Vacuum pump mounted for NT series 800, 1000, 1200, and 1500 models C 50 （D） Effective seal length Only for NT series Vacuum pump mounted for NT series Model 1000 1200 1500 A (mm) 1160 1360 1700 B (mm) C (mm) D (mm) -
Page 48: Specifications Of Accessories
LOS-NT/NTW series Operating Instructions Ver.6.02E 14 Specifications of accessories Model (LOS-NT/NTW) 600, 800, 1000 1200, 1500 Seal length mm Power cord CT. 2X3X5M 3P 20A250V CT.3.5X3X5M 3P 30A 250V Power plug Plug WF5324 Plug WF5630 Power outlet Outlet WK3811 Outlet WK3630 600-5,10 600-10D 1200-5,10 1200-10D Seal transformer Transformer 800-5,10 800-10D... -
Page 49: Ntw Series
LOS-NT/NTW series Operating Instructions Ver.6.02E 14-2 NTW series Electric parts Parts name Type Standard life and remarks Short circuit breaker GB-2Z 10,000 times (6 cycles/min) Short circuit breaker With S-6 S-6 Safety circuit board 200V Over 500,000 times (relays over boards) SSR-03 relay SSR-03 (200V) Over 100,000 hours (at contact point) Control unit FC-16R... -
Page 50: Electric Diagram
LOS-NT/NTW series Operating Instructions Ver.6.02E 15 Electric diagram 15-1 LOS-NT series electric diagram LOS-NT(G) (220V) Electric diagram AC220V A Safety circuir (LOS_ver-01) Ground terminal Emergency Circuit stop switch breaker 220V 105V black gray Safety micro-switch blue Disconnention alarm Seal position fluctuation motor Transformer To Y0 for heating element Heating element Temperature sensor... -
Page 51: Los-Ntw Series Electric Diagram
LOS-NT/NTW series Operating Instructions Ver.6.02E 15-2 LOS-NTW series electric diagram LOS-NTW(G) (220V) Electric diagram AC220V A Safety circuir (LOS_ver-01) Ground terminal Emergency stop switch Circuit breaker 220V 105V gray black Safety micro-switch blue Disconnention alarm Seal position fluctuation motor Transformer To Y0 for heating element Heating element Temperature sensor Time of 10D... -
Page 52: Piping Diagram
LOS-NT/NTW series Operating Instructions Ver.6.02E 16 Piping diagram 16-1 LOS-NT series piping diagram... -
Page 53: Los-Ntw Series Piping Diagram
LOS-NT/NTW series Operating Instructions Ver.6.02E 16-2 LOS-NTW series piping diagram... -
Page 54: Common Problems And Solutions
Carefully follow the directions in the operating instructions when replacing parts. Please consult with Van der Stahl Scientific if the problem cannot be resolved after referring to the chart. Please refer any questions regarding replacement of parts not listed in the operating instructions or adjustment of such parts to Van der Stahl Scientific. - Page 55 LOS-NT/NTW series Operating Instructions Ver.6.02E Vacuum related problems When dealing with problems such as those described below, it is not a simple matter of replacing the Caution parts or Problems Problems areas Solutions Check if the nozzle is properly inserted Turn OFF the power switch and start inside the bag.
- Page 56 LOS-NT/NTW series Operating Instructions Ver.6.02E Ｎ Ｇ ！ Lever middle position (R) cannot be recognized Ｘ11 lever-middle Adjustment or replacement of cylinder Ｎ Ｇ ！ Lever middle position (both L sensor is necessary. Ｘ10 Ｘ11 and R) cannot be recognized. Please consult with your local dealer. lever-middle Ｎ...
- Page 57 LOS-NT/NTW series Operating Instructions Ver.6.02E...
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Page 58: Illustration Of Attachment Parts
LOS-NT/NTW series Operating Instructions Ver.6.02E 18-1 Sealing area Seal pressure plate Guide block Sponge holder spring Sponge holder (upper) Sponge rubber Square type electrode Sponge holder (lower) Seal receiving plate 18-2 Nozzle unit PU-16 (Union straight) Nozzle supporter Nozzle (Φ16) Lock lever... -
Page 59: Frontal View Of The Sealer
LOS-NT/NTW series Operating Instructions Ver.6.02E 18-3 Frontal view of the sealer NT type Gas valve Relay Terminal table Vacuum valve Condenser NTW type Gas valve Vacuum valve Condenser Terminal table... -
Page 60: Rear View
LOS-NT/NTW series Operating Instructions Ver.6.02E 18-4 Rear view NT type PL-12-03 PL-06-02 Regulator PL-12-03 Air cock Gas cock Filter NTW type PL-10-02 Regulator Air cock Gas cock Ejector Pinch valve... -
Page 61: Base Of The Sealer
LOS-NT/NTW series Operating Instructions Ver.6.02E 18-5 Base of the sealer Circuit breaker Terminal table with safety circuit SSR-03 relay Circuit transformer Seal transformer... -
Page 62: Spare Parts List
LOS-NT/NTW series Operating Instructions Ver.6.02E 19 Spare parts list Parts Number Name Sales Unit 58520 I-type heating element 600-5L 5 pcs / set 58525 I-type heating element 600-10L 5 pcs / set 58530 I-type heating element 800-5L 5 pcs / set 58535 I-type heating element 800-10L 5 pcs / set 58540 I-type heating element 1000-5L... - Page 63 LOS-NT/NTW series Operating Instructions Ver.6.02E...
- Page 64 1652 Plum Lane, Redlands, CA 92374 800-550-3854 Y6593 MAR 2015 6th Edition www.vanderstahl.com LOS-NT/NTW Series Operating Instructions Ver. 6.02E...
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