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Summary of Contents for KRIWAN INT280
- Page 1 KRIWAN Oil level regulators Operating Instructions Accessories and Application Information...
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Page 2: Table Of Contents
4.4.3 DP cable connections .......................10 4.5 Before commissioning ..........................10 Functional description ............................11 5.1 Application information .........................11 5.2 Refill intervals ............................11 5.2.1 INT280 B ..........................11 5.2.2 "INT280-xxx" ..........................11 5.2.3 "INT280-xxx" Diagnose ......................12 5.3 Explanation of individual parameters .....................12 Troubleshooting ..............................13 Service .................................. - Page 3 Disposal .................................. 15 10 Accessories ................................16 10.1 Adapter ..............................16 10.1.1 INT280 Adapter 1 1/8"- 12 UNF ....................16 10.1.2 INT280 Adapter 1 1/8"- 18 UNEF ....................16 10.1.3 INT280 Adapter 3/4"- 14 NP .....................17 10.1.4 INT280 Adapter 1 3/4"- 12 UNF ....................17 10.1.5 INT280 Adapter 1 1/4"-12 UNF ....................18...
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Page 4: General Information
A missing document or missing pages need to be replaced promptly. This document is available for download at www.kriwan.com. Supplementary documents In combination with this application information, the following documents and forms need to be observed: The data sheet belonging to the oil level regulator •... -
Page 5: Guarantee And Liability
The respective current version is available from the manufacturer. Copyright © KRIWAN Industrie-Elektronik GmbH This documentation contains information protected by copyright. It may not be photocopied, duplicated, translated or saved on data carriers wholly or in excerpts without previous authorization by the manufacturer. -
Page 6: Safety Guidelines
Safety Guidelines 1 Safety Guidelines 1.1 Meaning of the symbols and safety instructions used in this document Please note that a safety symbol can never replace the text of safety instructions – the text of safety instructions must therefore always be read completely. This document contains information that must be observed to protect persons against injuries as well as to prevent material damage. -
Page 7: Requirements For Personnel
Safety Guidelines 1.2.2 Requirements for personnel Improper installation, commissioning or maintenance. • Danger to the operational reliability. Installation, commissioning and maintenance tasks may be carried out only by authorized technicians. Read the operating instructions thoroughly. Non-adherence can cause the device to fail or be destructed and can lead to injuries. -
Page 8: Product Description
Details can be found in the corresponding data sheet. The INT280 adapters (see Chapter Accessories) serve to connect the oil level regulator to refrigerant compressors. The necessity and possibly the selection of an adapter are determined by the design of the sight glass of the refrigerant compressor. -
Page 9: Assembly
An oil filter has to be installed in the oil infeed line of the Ölspiegelregulators, to prevent the solenoid valve seat • from getting dirty. 4.3 Electrical connection Separate isolation switches are necessary for the KRIWAN oil level regulators. The electrical connection is carried out according to the respective wiring diagrams, which are part of the • corresponding data sheets. -
Page 10: Installation
1. Ensure the cleanliness of the thread of the compressor and adapter. 2. Assemble the INT280 adapter so that the hexagon of the inner part is flush mounted with the outer ring (see note A in dimensions in mm in the Accessories chapter). -
Page 11: Functional Description
5.2.1 INT280 B After the INT280 B is switched on, the alarm relay picks up after 3s, if no malfunction is present (closed-circuit principle). Regardless of the oil level, a 20 second pause is activated to allow the oil to settle. If, thereafter, a too low... -
Page 12: Int280-Xxx" Diagnose
With "fixed", the filling cycle runs with the set filling and break time. If the filling cycle type is switched to "adaptive", the "INT280-xxx" calculates the optimal filling and break times itself. The times are calculated so that the set nominal filling period number is calculated. -
Page 13: Troubleshooting
Alarm relay pulls in even though No filling possible due to missing inlet Use "INT280-xxx" Diagnose (run compressor is at standstill pressure detection possible and thus no alarm when compressor at standstill) 810.00113.0... -
Page 14: Service
Service 7 Service 7.1 Inspection KRIWAN oil level regulators are maintenance-free and therefore there are no fixed inspection intervals specified for them. 7.1.1 Function check If the application is being inspected for other reasons, the following points can be checked: 1. -
Page 15: Decommissioning And Disassembly
Decommissioning and disassembly 8 Decommissioning and disassembly Electric shock • Touching live parts can lead to serious to fatal injuries. Work on the electric equipment may only be carried out by electricians. Disconnect the current from the respective part of the system before the disassembly. Pressure in the compressor •... -
Page 16: Accessories
Oils and refrigerant that do not attack the material of the adapter. Order data Dimensions See dimensions in mm 02 K 500 S21 INT280 Adapter 1 1/8"- 12 UNF Weight Approx. 300g 10.1.2INT280 Adapter 1 1/8"- 18 UNEF Technical specifications Permitted ambient -30…+100°C temperature Permitted rel. -
Page 17: Int280 Adapter 3/4"- 14 Np
Dimensions in mm Steel, nickel-plated Permissible media Oils and refrigerant that do not attack the material of the Order data adapter. INT280 Adapter 1 3/4"- 12 UNF 02 K 504 S21 Dimensions See dimensions in mm Weight Approx. 300g 810.00113.0... -
Page 18: Int280 Adapter 1 1/4"-12 Unf
Dimensions in mm Steel, nickel-plated Permissible media Oils and refrigerant that do not attack the material of the Order data adapter. INT280 Adapter 1 1/4"-12 UNF 02 K 505 S21 Dimensions See dimensions in mm Weight Approx. 300g 10.2 DP-Y Cable...
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