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Nitrogen Generator
Instruction Manual
GN-15i
Export Control Policy
When applying a refrigerator to a cryocooler for optical sensors, the
cryocooler falls under row 6.A.2.d.2 of the control list established by
The Wassenaar Arrangement, which is equal to row 10(2) of
appended table 1 of Japan's Export Trade Control Order.
Customers must follow all related rules and regulations such as
Foreign Exchange and Foreign Trade Act and take appropriate
procedures when exporting or re-exporting our refrigerators.
D/N. MJOM025E, 2018.08
ULVAC CRYOGENICS INCORPORATED
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Summary of Contents for Ulvac GN-15i
- Page 1 1 of Japan’s Export Trade Control Order. Customers must follow all related rules and regulations such as Foreign Exchange and Foreign Trade Act and take appropriate procedures when exporting or re-exporting our refrigerators. D/N. MJOM025E, 2018.08 ULVAC CRYOGENICS INCORPORATED...
- Page 3 To ensure proper use of this product, read this instruction manual carefully and keep this manual close at hand so that you can use for reference during operation. If you purchased our other products and/or optional devices with this product, read relevant instruction manuals carefully as well. ULVAC CRYOGENICS INCORPORATED...
- Page 4 There is a risk of fire or explosion. Hazardous voltage . Electric shock may cause severe injury or loss of life. Hot heating part present. There is a risk of burn injury. Low-temperature area present. There is a risk of ｆrostbite. Do not touch. ULVAC CRYOGENICS INCORPORATED...
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Page 5: Table Of Contents
Preparation before Operation ·································································· 14 Start-up and Stop (Tank pressure operation)*optional ··································· 14 9. Maintenance ························································································· 16 Daily Inspections and Maintenance ·························································· 16 Overall Inspections ··············································································· 16 10. Cautions before Use ··············································································· 17 11. Troubleshooting ····················································································· 18 12. Warranty ······························································································ 20 ULVAC CRYOGENICS INCORPORATED... - Page 6 This page intentionally left blank. ULVAC CRYOGENICS INCORPORATED...
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Page 7: Safety Instructions
Make sure to ground the equipment. Failure to follow this procedure could cause electric shock or fire. 6. Do not attempt to compress gas other than the air. Never attempt to compress gases other than the air. Otherwise, it may result in explosion, fire or damage to the equipment. ULVAC CRYOGENICS INCORPORATED... - Page 8 When it is above 40°C, it could cause equipment failure or shorten the life. 12. Install the nitrogen generator in a clean place Installation site should be free from dirt or dust as they may cause equipment failure. ULVAC CRYOGENICS INCORPORATED...
- Page 9 Operation of this equipment must be done in a place where sufficient air flow is available. It will have harmful effects to the performance of the device or human bodies if it is operated in a place with poor ventilation. ULVAC CRYOGENICS INCORPORATED...
- Page 10 When the refrigerator unit may have pumped toxic or dangerous gases, you must contact your safety supervisor at the time of disposal, and follow the instructions to remove hazardous substances before disposing. We provide Safety Data Sheet (SDS) of our products upon your request. Please contact us when necessary. ULVAC CRYOGENICS INCORPORATED...
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Page 11: General
1. General The GN-15i generates high density nitrogen gas with PSA(*) technology. The system consists of a compressor, adsorption tank, buffer tank, pressure regulator, flow rate meter, flow rate control valve, solenoid valve, piping or control equipments. (*)P.S.A.（Pressure Swing Adsorption）... -
Page 12: Component Descriptions
⑫ Circuit breaker (inside) ⑤ Nitrogen gas discharge port ⑬ Pressure sensor (inside) ⑥ Spare entrance port ⑭ Pressure regulator (inside) ⑦ Pressure alarm light ⑮ Nitrogen gas outlet meter (inside) ⑧ Nitrogen gas flow meter ⑯ Caster ULVAC CRYOGENICS INCORPORATED... -
Page 13: Component Details
When the compressor has some trouble, light turns on and the system stops operation. The condition is reset by pressing the button again. ⑪Start / Stop button, light Press this button to start or stop the equipment.. The light is turned on during ULVAC CRYOGENICS INCORPORATED... - Page 14 Controls the discharge pressure of produced nitrogen gas. Refer to nitrogen gas supply pressure meter ⑮ to adjust at the desired pressure (within specification range) 15 Nitrogen gas supply pressure meter (Inside) Displays the nitrogen gas supply pressure (set value). ULVAC CRYOGENICS INCORPORATED...
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Page 15: Flow Diagram
4. Flow Diagram ULVAC CRYOGENICS INCORPORATED... -
Page 16: Specifications
Flow meter is made to fit the above discharge pressure. If it is used at the pressure other than the above, conversion is needed. This is not to guarantee the performance under these conditions. ULVAC CRYOGENICS INCORPORATED... -
Page 17: Electric Wiring
6. Electric Wiring R U N 4 R U N 3 A L 2 A L 1 R U N 2 R U N 1 R M T 2 R M T 1 ULVAC CRYOGENICS INCORPORATED... -
Page 18: Unpacking And Installation
Environmental Requirements for Installing a Nitrogen Generator (1) Install in a clean place where free from dust. (2) The GN-15i is air-cooled. It may not operate properly in extremely small space. In such a case, improve the air-permeability around the equipment, or ventilate or use an air conditioner for the entire room. -
Page 19: Electric Wiring
It is also output when the pressure of produced nitrogen tank is lower than the set value. (The GN-15i makes an emergency stop. Default setting is 0.3MPa.) Nitrogen supply signal output 9,10 [RUN3, RUN4] Nitrogen is supplied in 6 minutes after the equipment starts up. Nitrogen supply signal is activated according to the timing. -
Page 20: Operation
Refer to [How to change the set value of Digital Pressure Sensor (DP-100)] for the information on how to set the upper and lower limit. Tank Pressure Operation settings [factory default settings] Upper limit (OFF) 0.35MPa Lower limit (ON) 0.20MPa ULVAC CRYOGENICS INCORPORATED... - Page 21 (LO-1: Pressure at which the equipment turns ON HI-2: Pressure at which the equipment turns OFF) (2) Use <UP> or <DOWN> button to set the value. (3) The display of HI / LO display is changed by pressing the Mode Switch button. ULVAC CRYOGENICS INCORPORATED...
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Page 22: Maintenance
The life of the compressor is one year if it runs continuously. It is necessary to replace compressor, and inspect the adsorber deterioration, piping, couplings, or solenoid valves. Overall inspections should be done once a year although the running time is short. ULVAC CRYOGENICS INCORPORATED... -
Page 23: Cautions Before Use
In such a case, press the illuminating attention light to clear. The safety circuit is canceled and the equipment will start operation again. ULVAC CRYOGENICS INCORPORATED... -
Page 24: Troubleshooting
Use the power outlet with sufficient capacitance and restart the equipment. If the equipment stops along with the alarm light again, the cause might be the equipment failure. Turn OFF the circuit breaker, unplug the power supply and contact us. ULVAC CRYOGENICS INCORPORATED... - Page 25 Shut down operation, turn OFF the circuit breaker, unplug the power supply and contact us. Please contact us if there are other signs of failure than stated above. ULVAC CRYOGENICS INCORPORATED...
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Page 26: Warranty
However, ULVAC CRYOGENICS or our service network can perform this service for an agreed fee upon the customer’s request. There will be no charge if the cause of the breakdown is found to be a fault of ULVAC CRYOGENICS. (2) Damage during transportation... - Page 27 2. Exclusion of opportunity loss from warranty liability Regardless of the gratis warranty term, compensation to opportunity losses incurred to your company or your customers by failures of ULVAC CRYOGENICS products and compensation for damages to products other than ULVAC CRYOGENICS products and other services are not covered under warranty.
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- Page 29 ULVAC CRYOGENICS INC. www.ulvac-cryo.com 1222-1 Yabata, Chigasaki, Kanagawa 253-0085, Japan <Sales> Tel: +81-467-85-8884 <Service Engineering Division> Tel: +81-467-85-9366 Fax: +81-467-83-4838 ULVAC CRYOGENICS KOREA INC. www.ulvac-cryo.co.kr 107, Hyeongoksandan-ro, Cheongbuk-Myeon, Pyeongtaek-si, Gyeonggi-Do, Korea, 17812 Tel: +82-31-683-2926 Fax: +82-31-683-2956 ULVAC CRYOGENICS (NINGBO) INC.
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- Page 31 Revision History Date Revision Contents 2018 / 08 / 17 2018.08 First edition ULVAC CRYOGENICS INCORPORATED...
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