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AFRISO OSA 3 Скачать руководство пользователя страница 6

OSA 3

Seperator alarm OSA 3 • Manual

AFRISO EMA AB

• Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • [email protected] • www.afriso.se

6

CAUSE/ERROR

ACTION

Note:

Critical warning, risk of injury

Warning: risk of injury or damage to
equipment

Attention required

SYMBOL

DESCRIPTION

Read instructions before installation

Installation may only be carried out by
a qualified installation engineer

The intrinsically safe circuit must not
be earthed

Observe regulatory requirements
when connected in an EX-classified
area

SYMBOL

DESCRIPTION

Regulations applicable to OSA 3

To note when there is a risk of
explosion.

Note:

Safety regulations:

Safety symbols

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Содержание OSA 3

Страница 1: ...e 2460 CONTENTS Functional description 2 Component parts 3 Spare parts 5 Safety regulations 6 Checklist 7 Installation 8 Commissioning 11 Operation 14 Maintenance 15 Troubleshooting 16 Technical data 18 Retain these instructions for future use Edition 1 3 18 11 22 OSA 3 Level alarm for oil separator ...

Страница 2: ...of oil or grease exceeds the alarm value ES8 Ultrasonic type sludge Ex sen sor for raising the alarm when sand or particles in the separator exceed a predefined level R6 S Thermistor type Ex damming sen sor for indication of a high level OSA 3 is an Intrinsically Safe Ex central alarm control unit approved for use with the listed Ex sensors The central alarm control unit has two individually progr...

Страница 3: ...OMPONENT PARTS OSA 3 level sensor Art nr 1316 Central unit OSA 3 1 x Level sensor ES4 1 x Central unit OSA 3 1 x Level unit ES4 1 x Damming sensor R6 S 1 x Central unit OSA 3 1 x Level sensor ES4 1 x Damming sensor R6 S 1 x Sludge sensor ES8 1 x OSA 3 Level and damming alarm Art no 1318 OSA 3 Level damming and sludge alarm Art no 1319 ...

Страница 4: ...PONENT PARTS OSA 3 Level and damming alarm Art no 13347 Central unit OSA 3 1 x Level sensor ES4 1 x Sludge sensor ES8 1 x Central unit OSA 3 1 x Sludge sensor ES8 1 x OSA 3 Slamgivare Art nr 13345 OPTIONS Float Float for level sensor ES4 where the surface is not constant Art no 1236 SMS ALARM GSM dialer for alarm transmission Art nr 1324 ...

Страница 5: ...Capacitive sensor ES4 Emits alarm if thick layer of oil grease in separator Art nr 1147 LEVEL SENSOR ES4 20 meters Capacitive sensor ES4 Emits alarm if thick layer of oil grease in separator Art nr 1148 DAMMING SENSOR R6 S 5 meters Thermistor sensor Emits alarm if high level in separator Art nr 990143 DAMMING SENSOR R6 S 20 meters Thermistor sensor Emits alarm if high level in separator Art nr 990...

Страница 6: ...age to equipment Attention required SYMBOL DESCRIPTION Read instructions before installation Installation may only be carried out by a qualified installation engineer The intrinsically safe circuit must not be earthed Observe regulatory requirements when connected in an EX classified area SYMBOL DESCRIPTION Regulations applicable to OSA 3 To note when there is a risk of explosion Note Safety regul...

Страница 7: ...s recom mendation before carrying out a sensor function control Switch on the power and check sensor signals Carry out a function control as shown in the commissioning instructions Important information Note that the unit s intrinsically safe sensor outputs on terminal block K3 1 2 3 G are galvanically isolated from earth This user manual constitutes the basis for certification governing protectio...

Страница 8: ...unction box should be used that allows the shielded cable to be grounded to earth When making connections between the central control unit and a junction box this should be interconnected using a multi core cable 6 core 1 0mm with connec tions made as shown in the following diagram Terminals K1 230 VAC 4 VA K2 R1 Voltage free relay output Symbols on the circuit board are indicated in the alarm con...

Страница 9: ... an ES8 sludge sensor an external junction box should be used that allows the shielded cable to be grounded to earth Terminals K1 230 VAC 4 VA K2 R1 Voltage free relay output Symbols on the circuit board are indicated in the alarm condition K2 R2 Voltage free relay output Symbols on the circuit board are indicated in the alarm condition K4 Terminal contact for membrane keypad ribbon cable not show...

Страница 10: ... with your separator manufacturer for more details The following recommendations apply Level sensor ES4 is fitted so that its underside H is fixed approx 100 500 mm below the static water level The precise installation depth H below the static water level is specified in the separator manual The underside of the level sensor must be in water so as NOT to trigger an alarm see the illustration below...

Страница 11: ...red The buzzer sound is repeated automatically after 20 hours if R1 is not set for an acknowledgeable function Checks when starting the electronic unit Check that all connections and installation are completed correctly before connecting to a power supply Switch on the power supply to the elec tronic unit This screen is displayed for approx 15 seconds after which the current program version can be...

Страница 12: ...ted In the main menu press the RESET key at the same time for 3 seconds The following screen will appear Activate the service mode by pressing for 3 seconds The unit will now show a number on the screen indicating which probe is being scanned The unit remains in service mode for 30 minutes and returns automatically into normal mode All connected sensors should be tested af ter installation The fol...

Страница 13: ...ld then be displayed When this has been displayed remove the sensor from the water and wait for up to 2 minutes The unit should then return to Normal operation screen Testing of sludge sensor ES8 Lift the sludge sensor up into the air and wait The following screen should be displayed within approx 60 sec Press the reset button the following should then be displayed When this has been displayed sus...

Страница 14: ...zer sounds Action This is a critical alarm and means that the shut off valve in the separator has been closed or there is a blockage in the outlet to the tank Check the instructions from the separator manufacturer to find out what action is recommended Sludge alarm SLUDGE ALARM appears in the display and the buzzer sounds Action This normally means that the sludge layer in the tank is too thick th...

Страница 15: ...lues press When you have made your change hold down for 3 sec or cancel your change by holding down Reset for 3 seconds moves from the first digit in Date and forwards every time it is pressed To reduce a value press and to increase a value press When you have made your change hold down for 3 sec or cancel your change by holding down Reset for 3 seconds The first letter of the relevant option is i...

Страница 16: ...lay Sensor err on input 1 level alarm appears in the display Sensor err on input 2 high level alarm appears in the display Sensor err on input 3 sludge alarm appears in the display Sludge alarm act alarm The sludge level has reached a set alarm level normal alarm High level alarm act alarm Check the thickness of the oil grease layer Measure voltage at sensor Measure voltage at sensor Measure volta...

Страница 17: ...sor circuits an error message will be displayed on OSA 3 indicating which sensor output is detecting an error The output voltage to the sensor in question can be measured in order to check what is wrong Sensors are scanned in the following se quence and sensors can only be checked when the are active Sensor 1 layer sensor ES4 active in 4 sec sensor 2 thermis tor sensor R6 S active in 45 sec sensor...

Страница 18: ...fe circuit up to 50 of the value of Lo is permitted and up to 1 uF Level sensor ES4 Intrinsically safe design II 1 G Ex ia IIA T4 Ga Sensor type Capacitive type ES4 Must be connected to a barrier which is galvanically isolated from earth Electrical parameters Ci 500 nF Li 10 μH Ii 170 mA Ui 25 0V Pi 1 2 W Damming sensor R6 S Intrinsically safe design II 1 G Ex ia IIA T3 Ga Sensor type Thermistor s...

Страница 19: ...ds Emission standard for residential commercial and light industrial environments LVD EN 61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements ATEX EN 60079 0 2012 A11 2013 Explosive atmospheres Part 0 General requirements EN 60079 11 2012 Explosive atmospheres Part 11 Equipment protection by intrinsic safety i EC Type exam...

Страница 20: ...Afriso Ema AB Kilvägen 2 232 37 Arlöv Sweden T 46 0 40 92 20 50 F 46 0 40 19 33 58 www afriso se Afriso EMA AB 2018 11 22 Notes ...

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