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Open screw compressors for NH
Translation of the original Operating Instructions
English.......................................................................................................................................................
Offene Schraubenverdichter für NH
Originalbetriebsanleitung
Deutsch .....................................................................................................................................................
Compresseurs à vis ouverts pour applications NH
Traduction des instructions de service d'origine
Français.....................................................................................................................................................
OSKA9563
OSKA9583
OSKA9593
OSKA95103
OSNA9563
OSNA9583
OSNA9593
OSNA95103
applications
3
-Anwendungen
3
3
SB-520-1
2
16
30
Installer
Monteur
Monteur
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Table of Contents
Summary of Contents for Biber OSKA9563
- Page 1 Translation of the original Operating Instructions English............................... Offene Schraubenverdichter für NH -Anwendungen Originalbetriebsanleitung Deutsch ..............................Compresseurs à vis ouverts pour applications NH Traduction des instructions de service d'origine Français..............................OSKA9563 OSKA9583 OSKA9593 OSKA95103 OSNA9563 OSNA9583 OSNA9593 OSNA95103 Installer Monteur...
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Page 2: Table Of Contents
Table of contents 1 Introduction................................ 4 1.1 Also observe the following technical documents ................... 4 2 Safety .................................. 4 2.1 Authorized staff.............................. 4 2.2 Residual hazards ............................ 4 2.3 Safety references............................ 4 2.3.1 General safety references ......................... 4 3 Application ranges .............................. 5 4 Mounting................................ 5 4.1 Transporting the compressor......................... 5 4.2 Installing the compressor.......................... 5 4.3 Direct drive via coupling.......................... 5 4.4 Connecting the pipelines .......................... 6... - Page 3 8 Maintenance ................................ 13 8.1 Integrated pressure relief valve ........................ 13 8.2 Integrated check valve.......................... 13 8.3 Oil filter................................. 13 8.4 Oil change.............................. 13 8.5 Shaft seal.............................. 13 8.6 Coupling............................... 14 8.6.1 Elastomer elements ......................... 14 8.6.2 Checking the elastomer elements for wear.................. 14 8.7 Roller bearings............................. 14 8.7.1 Checking the roller bearings ......................
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Page 4: Introduction
1 Introduction 2.3 Safety references These refrigeration compressors are intended for incor- are instructions intended to prevent hazards. Safety ref- poration into refrigeration systems in accordance with erences must be stringently observed! the 2006/42/EC Machinery Directive. They may only be put into operation if they have been installed in the refri- NOTICE geration systems according to these Mounting/Operat-... -
Page 5: Application Ranges
NOTICE Risk of compressor failure! Operate the compressor only in the intended ro- tation direction! WARNING The compressor is under pressure! Serious injuries are possible. Depressurize the compressor! Wear safety goggles! 3 Application ranges Allowed refrigerant: R717 (NH Oil charge: Reniso KC68, Reflo 68A, SHC226E Fig. 1: Lifting the compressor Application limits: See brochure SP-520 and BITZER SOFTWARE... -
Page 6: Connecting The Pipelines
Information Special drives (e.g. combustion engines) require indi- Observe safety standards EN ISO 13857 / EN vidual consultation with BITZER. 294 / EN 349 and national regulations. Use only couplings with elastic intermediate ele- 4.4 Connecting the pipelines ments which can compensate for slight shifts in axial direction, but do not exert their own axial WARNING force. -
Page 7: Oskab (Booster Version)
NOTICE Risk of compressor damage! Evacuate the system and flush it once or sev- eral times with dry nitrogen, if necessary. Mount pipelines in such a way that the compressor is protected from flooding with oil or liquid refrigerant dur- ing standstill. -
Page 8: Connections And Dimensional Drawing
4.5 Connections and dimensional drawing 2b (LP) 2 (LP) 2a (LP) 1b (HP) 1 (HP) Vi (+) Vi (–) G 1/4 1/8-27 NPTF 1/8-27 NPTF G 1/4 1/8-27 NPTF Ø21 1055 1a (HP) 3 (HP) 1/8-27 NPTF 1/8-27 NPTF M22x1,5 Ø12 1/8-27 NPTF CR (+) -
Page 9: Additional Connections For Evacuation
5 Electrical connection Connection positions Threaded bore for pipe fixture (ECO and LI NOTICE lines) Risk of short-circuit due to condensation water Maintenance connection for oil filter in the terminal box! Oil drain (oil filter) Use only standardised cable bushings. When mounting, pay attention to proper sealing. -
Page 10: High Pressure Switches
5.2.3 High pressure switches DANGER Risk of bursting due to excessive pressure! A pressure limiter and a safety pressure limiter are re- The pressure applied during the test must never quired for securing the compressor's application range exceed the maximum permitted values! in order to avoid unacceptable operating conditions. -
Page 11: Charging With Refrigerant
6.5 Charging with refrigerant NOTICE Do not start the compressor if it was flooded DANGER with oil due to faulty operation! It is absolutely Risk of bursting of components and pipelines necessary to empty it! due to hydraulic excess pressure while feeding Internal components may be damaged. -
Page 12: Setting High Pressure And Low Pressure Switches (Hp + Lp)
NOTICE • Creation of data protocol Risk of wet operation during liquid feeding! For application limits, see brochure SP-520 or Measure out extremely precise quantities! BITZER SOFTWARE. Maintain the discharge gas temperature well above the condensing temperature: To prevent motor failures, the following requirements with NH at least 30 K. -
Page 13: Operation
become hotter than the suction gas line or the com- However, after repeated venting, it may leak perman- pressor. ently because of abnormal operating conditions. The consequences are reduced performance and a higher For further information about pipe layout, see manual discharge gas temperature. - Page 14 • wear 8.6 Coupling • corrugations 8.6.1 Elastomer elements • material deposits Check the elastomer elements of the coupling after the • oil carbon running-in period and then once a year, see figure 3, • copper plating page 14. Leakage oil quantities up to approx. 0.2 cm per operat- 8.6.2 Checking the elastomer elements for wear...
- Page 15 9.2 Dismounting the compressor WARNING The compressor is under pressure! Serious injuries are possible. Depressurize the compressor! Wear safety goggles! In the case of repair work requiring dismounting or in the event of decommissioning: Close the shut-off valves on the compressor. Extract the refrigerant.
- Page 16 80450801 // 02.2017 Subject to change Änderungen vorbehalten Toutes modifications réservées BITZER Kühlmaschinenbau GmbH Eschenbrünnlestraße 15 // 71065 Sindelfingen // Germany Tel +49 (0)70 31 932-0 // Fax +49 (0)70 31 932-147 bitzer@bitzer.de // www.bitzer.de Subject to change // Änderungen vorbehalten // Toutes modifications réservées // 80450801 // 02.2017...
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