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Summary of Contents for GESTRA OR 52-7
- Page 1 GESTRA Steam Systems OR 52-7 English Installation Instructions 818788-01 Oil & Turbidity Detector OR 52-7...
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Page 2: Table Of Contents
Electrical Connection Measuring transducer ORT 7 ........................2 Note ..............................2 Attention ...............................2 Tools ..............................2 Wiring diagram OR 52-7 ........................3 Notice ..............................3 Functional Elements Measuring sensor ORG 2 ........................4 Measuring sensor ORG 2 / Measuring transducer ORT 7 ..............5 Measuring transducer ORT 7.........................6 Key ...............................7... - Page 3 Data indication .............................24 Operating steps - see Fig. 9 .........................24 Note ..............................25 Operation flowchart ..........................25 Malfunctions OR 52-7 ..............................26 Table listing error codes ........................26 Maintenance Cleaning the glass cylinder ........................27 Replacing the drying cartridge ......................27 Replacing the light emitter/receiver ......................27 Replacing the equipment fuse ......................27...
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Page 4: Important Notes
Usage for the intended purpose The oil & turbidity detector OR 52-7 is designed for the continuous monitoring and detection of ingress of oil in water and is used in conjunction with oily water separators as 5 ppm bilge alarm. -
Page 5: Explanatory Notes
Installation manual Description The oil & turbidity detector OR 52-7 can be used: On board of marine vessels for monitoring the oily water separating equipment for bilge water according to IMO Resolution MEPC. 07 (49) as 5 ppm oil content alarm. -
Page 6: Technical Data
Technical Data Measuring sensor ORG 12 Nominal size DN 0, connections G ISO 228 Nominal pressure PN 0 Fluid Water pH value Up to 0.5 (a pH value of and above will lead to wear of the glass, depending on the temperature). Fluid temperature range 0 ... -
Page 7: Measuring Transducer Ort 7
Technical Data - continued - Measuring transducer ORT 7 Inputs / Outputs 2 Photocells for inputs: directly transmitted light / scattered light Voltage output for light emitter, - 2 V pulse-amplitude modulated Signal input for separator ON/OFF GPS input RS 485, 4800 baud, NMEA 83 protocol, data record: GPRMC (optional) 3 Volt-free relay contacts for alarm , 2 and purging valve (Clw) Contact material AgNi 0,5... -
Page 8: Name Plate / Marking
Technical Data – continued – Name plate / Marking Equipment designation Type designation Manufacturer MED marking Disposal note Electrical specification, protection Ambient temperature Measuring range Safety note Serial number Material number Fig. 1... -
Page 9: Dimensions Or 52-7
Technical Data – continued – Dimensions OR 52-7 Measuring sensor ORG 12 approx. 200 approx. 70 Measuring transducer ORT 7 Fig. 2... -
Page 10: Installation
Installation OR 52-7 Use the support to install the measuring sensor ORG 2 as close as possible to the separator in order to keep the supply delay to a minimum. According to MEPC. 07 (49) in the event of an alarm (oil content >... -
Page 11: Example Of Installation
Installation - continued - Example of Installation Three-way valve Overboard line To bilge To bilge Mount Pressure vacuum maintaining breaker 0x mm above valve copper or stainless steel pipe the oil (if required) separator Inlet Outlet Clear water inlet (water pressure ≥... -
Page 12: Electrical Connection
Electrical Connection Measuring transducer ORT 7 . Undo cover screws and open cover. 2. Detach all three-pole terminal strips from the base board and pull connecting lines through cable glands. 3. Mark connecting lines: “Mains”, “Alarm ”, “Alarm 2”, “Light emitter” and “Light receiver”. 4. -
Page 13: Wiring Diagram
Electrical Connection - continued - Wiring diagram OR 52-7 External wiring Measuring sensor Purging valve External wiring to first alarm Attached in cover Disconnecting Earthing screw switch in housing PE L N Three-way valve Solenoid valve Fig. 4 Drawn position of contacts: Alarm 1 and 2, separator OFF and voltage failure Notice Fig. -
Page 14: Functional Elements
Functional Elements Measuring sensor ORG 12 Fig. 5... -
Page 15: Measuring Sensor Org 2 / Measuring Transducer Ort 7
Functional Elements Measuring sensor ORG 12 / Measuring transducer ORT 7 Fig. 6... -
Page 16: Measuring Transducer Ort 7
Functional Elements - continued - Measuring transducer ORT 7 GESTRA ORT 7 ALARM 1 ALARM 2 SYSTEM Fig. 7 Fig. 8... -
Page 17: Key
Functional Elements - continued - Connector for light emitter / light receiver Measuring transducer ORT 7 Gasket for connector Cable glands Light emitter LCD display Incandescent lamp System LED O-ring 48 x 2.5 Keypad Union nut (inside) LED Power ON Tube of light emitter LED Alarm and 2 Light receiver... -
Page 18: Commissioning
Commissioning Factory settings The mesuring transducer features the following factory set default values: Limit alarm : 5 ppm Limit alarm 2: 5 ppm Delay of response alarm : sec. Delay of response alarm 2: sec. Warning The terminal strips of the measuring transducer ORT 7 can be live during operation! This presents the risk of severe cases of electric shock! Cut off power supply to equipment before opening the cover! Checking electrical connection... -
Page 19: First Commissioning
Commissioning – continued – First commissioning . Apply mains voltage to the measuring transducer. The green LED ON will be illuminated and alarm 2 is signalled. 2. When the equipment is switched on, the system window appears for approx. 3 seconds, indicating the following: Name of equipment, Certificate, Serial number,... -
Page 20: Programming Mode
Commissioning – continued – Programming mode The following parameters can be selected and, if required, changed: Value Offset (reduction of zero point 0-5 ppm), Output (output of actual value 0 / 4-20 mA), Alarm Limit Value (limit alarm , 0-5 ppm), Alarm 2 Limit Value (limit alarm 2, 0-5 ppm), Alarm Time Delay (delay of response for alarm , 0-5 sec), Alarm 2 Time Delay (delay of response for alarm 2, 0-5 sec),... -
Page 21: Other Parameter Settings
Commissioning – continued – Other parameter settings Parameter Parameter Alarm2 Limit Value Output 0/4 . . 20 mA Value : 4 mA Value : 15 ppm = prev = next = prev = next P = change P = change = back = back Parameter... -
Page 22: Start, Operation, Alarm And Functional Test
Start, Operation, Alarm and Functional Test Start and operation . Apply mains voltage to the measuring transducer. The green LED ON will be illuminated and alarm 2 is signalled. 2. When the equipment is switched on, the system window appears for approx. 3 seconds, indicating the following: Name of equipment, Certificate, Serial number,... -
Page 23: Alarm And 2
Start, Operation, Alarm and Functional Test - continued - Alarm 1 and 2 If the alarm limits and 2 are exceeded, the adjusted time delay is activated. LED Alarm and LED Alarm 2 are flashing. After the time delay has elapsed, LED Alarm and LED Alarm 2 are permanently illuminated. -
Page 24: Data Storage
The memory card is encoded with the serial number of the associated oil & turbidity detector OR 52-7 and, as a consequence, only this particular device can write data on the card. All other devices are only able to read the data stored on the card. -
Page 25: Note
Data storage - continued - Note If you want to view e. g. an alarm on a particular day, first chose the suitable enquiry interval and press key to go to this date. Then select the enquiry interval of dT and press key ... -
Page 26: Malfunctions
Malfunctions OR 52-7 In the event of a malfunction the amber system LED is flashing OIL CONTENT : and the relay contact Alarm 2 is energised. An error code is indicated in the measurement window. State: e1 Light Ctrl ov... -
Page 27: Maintenance
3. Put light emitter 3 back in place. Make sure that the locating pin of the light emitter 3 fits into the groove of the tube 7. Tighten union nut 6. Note Use only the incandescent lamp supplied by GESTRA AG! Replacing the equipment fuse . Open the cover of the measuring transducer. -
Page 28: Replacing Glass Cylinder
Maintenance - continued - Replacing glass cylinder . Close the inlet and outlet and the connection for the purging valve. 2. Undo the connection for inlet and outlet and the connection for purging water of the purging valve o Fig. 6. 3. -
Page 29: Checking The Accuracy Of Measurement
Repeat the commissioning procedure. Possibility 2 You entrust a service partner authorized by GESTRA with the task of performing the on-board inspec- tion. During this inspection the accuracy of the equipment (0 and 00 %) will be checked. -
Page 30: Spare Parts
Spare Parts The following spare parts are available for the oil & turbidity detector OR 52-7. Spare parts kit, ref. no. 389504 Item no. Designation Qty. Glass cylinder Drying cartridge Incandescent lamp O-ring 25 x 3 (cover / glass cylinder) -
Page 31: Decommissioning
Decommissioning Warning The terminal strips of the measuring transducer ORT 7 can be live during operation! This presents the risk of severe cases of electric shock! Always cut off power supply to the equipment before mounting, removing or connecting the terminal strips! Dismantling . -
Page 32: Annex
Annex Type approval certificate... - Page 33 Annex – continued – Type approval certificate – continued –...
- Page 34 Annex – continued – Type approval certificate – continued –...
- Page 35 Annex – continued – Type approval certificate – continued –...
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Page 36: Ec Prototype Test Certificate (Module B)
Annex – continued – EC Prototype Test Certificate (module B) - Page 37 Annex – continued – EC Prototype Test Certificate (module B) – continued –...
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Page 38: Ec Type Examination (Module B) Certificate
Annex – continued – EC Type Examination (Module B) Certificate... - Page 39 Annex – continued – EC-Type Examination (Module B) Certificate – continued –...
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Page 40: Declaration Of Conformity
Annex – continued – Declaration of Conformity... - Page 41 For your notes...
- Page 42 For your notes...
- Page 43 For your notes...
- Page 44 Agencies all over the world: www.gestra.de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon +49 421 3503-0 Telefax +49 421 3503-393 E-Mail info@de.gestra.com www.gestra.de 88788-0/209cm · 2007 GESTRA AG · Bremen · Printed in Germany...
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