Nash Elmo G 400 Series Скачать руководство пользователя | Manualshive

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© nash_elmo Industries GmbH
Postfach 1510
97605 Bad Neustadt / Saale
Germany

All rights reserved.

Order No.: 610.44436.40.000
Edition 09/2003
English

Phone:

+49 911 1454 5268

Fax:

+49 911 1454 5252

E-mail:

[email protected]

Internet:

www.nash-elmo.com

Gas-Ring Vacuum
Pumps/Compressors

Operating

Instructions

Series G_400

Models

2BH7 2

2BH7 3

2BH7 4

2BH7 5

2BH7 6

Single-impeller model

(single-stage)

Two-impeller model

(two-stage)

Three-impeller model

(three-stage)

1
2
3
...
»

Содержание G 400 Series

Страница 1: ...n 09 2003 English Phone 49 911 1454 5268 Fax 49 911 1454 5252 E mail service nash elmo com Internet www nash elmo com Gas Ring Vacuum Pumps Compressors Operating Instructions Series G_400 Models 2BH7...

Страница 2: ...llation 12 5 2 Electrical connection motor 14 5 3 Connecting pipes hoses vacuum pump compressor 16 5 3 1 Inlet connection 17 5 3 2 Discharge connection 17 5 3 3 Procedure when connecting pipes hoses 1...

Страница 3: ...ld result in death or serious injury if the corresponding measures are not taken CAUTION Danger of injuries Indicates a potentially hazardous situation that may result in minor or moderate injury if t...

Страница 4: ...ng parts external fan impeller shaft Cutting cutting off of extremities Grasping winding up of hair and clothing Danger due to vacuum and gauge pressure sudden escape of fluids skin and eye injuries s...

Страница 5: ...Residual risks WARNING Danger zone Hot surface up to approx 160 C 320 F Hazard Possible burns Protective measures Cover the pump motor unit with a suitable touch protection e g perforated plate cover...

Страница 6: ...t in the following designs single impeller single stage two impeller two stage three impeller three stage Increased pressure differences can be achieved with the two impeller and three impeller pump m...

Страница 7: ...H75 approx 52 approx 2 05 2BH76 approx 53 approx 2 09 Minimum distance to vacuum pump compressor cover Minimum distance to face of vacuum pump compressor cover mm inches 30 1 18 Vibrations The followi...

Страница 8: ...approx 142 2BH7310 0 2 approx 86 approx 187 2BH7410 0 1 approx 101 approx 214 2BH7510 0 1 approx 111 approx 232 2BH7510 0 2 approx 112 approx 234 2BH7610 0 1 approx 124 approx 255 2BH7610 0 3 approx...

Страница 9: ...3 4 2 21 2 95 M20x1 5 4 5 2 95 3 69 M32x1 5 M40x1 5 5 7 3 69 5 16 3 2 Electrical data See rating plate 3 3 Operating conditions Temperatures max permissible temperature 40 C 104 F Nominal value 15 C...

Страница 10: ...oes and protective helmet during transport WARNING Danger from tipping or falling loads Prior to transport and handling make sure that all components are securely assembled and secure or remove all co...

Страница 11: ...lectrical device cannot be damaged by external influences In particular the feed pipes must be securely routed e g in cable ducts in the floor etc WARNING Danger from balance damage caused by vibratio...

Страница 12: ...differs from the following specifications it is necessary to inquire with the Service Department Ambient conditions The pump motor unit is suitable for installation in the following environments In a...

Страница 13: ...the pump motor unit the following variants are possible with a different axis position horizontal or vertical Horizontal installation Vertical installation on the vacuum pump compressor cover cover in...

Страница 14: ...und and short circuit Cover or block off adjacent energized parts CAUTION Incorrect connection of the motor can lead to serious damage to the unit Regulations The electrical connection must be carried...

Страница 15: ...protective conductor the outer ground conductor Both conductors can be recognized from their color green yellow DANGER Electrical danger The terminal box must be free from foreign bodies dirt humidit...

Страница 16: ...d reasons and must be mounted by the operator Fig 3 2BH722 2BH762 two impeller pump motor units with two stage design Fig 4 2BH723 2BH763 three impeller pump motor units with three stage design WARNIN...

Страница 17: ...the related muffler Fig 1 Pg 2 Item 3 is marked with an arrow pointing into the vacuum pump compressor Connect the inlet pipe here The pumped gases are sucked in via this Procedure see Chapter 5 3 3 W...

Страница 18: ...again after a longer standstill Measure the insulation resistance of the motor With values 1 k per volt of nominal voltage the winding must be dried Measures before start up If a shut off device is in...

Страница 19: ...piping attach an additional muffler 6 2 Start up and shut down Start up Open shut off device in intake discharge pipe Switch on power supply for drive motor Shut down Switch off power supply for drive...

Страница 20: ...nt must provide the following conditions dry dust free low vibration effective value of vibration speed veff 2 8 mm s 0 11 sec Ambient temperature max 40 C 104 F CAUTION Danger of overheating due to h...

Страница 21: ...ck or correct impeller gap setting if necessary Service Impeller defective Replace impeller Service Motor does not start humming noise Rolling bearing on drive motor side or vacuum pump compressor sid...

Страница 22: ...e procedure described in Chapter 9 3 Decontamination and Declaration of Clearance Pg 22 must be used The original rating plate of the pump motor unit must be properly mounted intact and legible All wa...

Страница 23: ...ery Part 1 Principles and specifications for machinery manufacturers DIN EN 1012 1 Compressors and vacuum pumps Safety requirements Part 1 Compressors DIN EN 1012 2 Compressors and vacuum pumps Safety...

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