Farr camfil STR2 Скачать руководство пользователя страница 1 | Manualshive

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Integrated Dust Collector and Solenoid

Controller

Model STR2-6

and

Model STR2-6-A22

User’s Manual

Installation, Operation and

Maintenance

Certified ATEX Zone 2 and 22:

II 3D Ex mD IP65 A22 T 90 Deg C
II 3G Ex mb IP65 T5

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Содержание camfil STR2

Страница 1: ...ed Dust Collector and Solenoid Controller Model STR2 6 and Model STR2 6 A22 User s Manual Installation Operation and Maintenance Certified ATEX Zone 2 and 22 II 3D Ex mD IP65 A22 T 90 Deg C II 3G Ex mb IP65 T5 ...

Страница 2: ...RISTICS 5 FUNCTIONAL CHARACTERISTICS 5 OPERAION 6 ACCESSING CONTROLS AND REGULATORS 7 ELECTRICAL CONNECTIONS 9 SPECIAL WARNINGS FOR ATEX NORMATIVE 10 Precautions to be taken to avoid that certain ignition sources become active 10 Installation 10 Maintenance 11 Use 11 ...

Страница 3: ... of the timing functions are adjusted with potentiometers which are accessed by removing a clear Lexan cover Electrical connections consist of a power connection and a two wire connection to the control This controller will also operate in on demand mode when connected to a photohelic differential pressure switch An input is provided to initiate a post shutdown cleaning of five pulses per filter T...

Страница 4: ... s r l is equipped with a CE ATEX certificate of conformity with this manual and a nameplate conforming to the 94 9 EC directive that carries the ATEXmark The marking of this instrument is II 3D Ex mD IP65 A22 T 90 C II 3G Ex mb IP65 T5 Simplifying we can say that this mark means that this device has been designed to operate in a potentially explosive atmosphere caused by combustible dusts D dust ...

Страница 5: ...Dimensions Length 12 2 310 mm Width 2 6 65 mm Height 5 1 130 mm Fuses 24 Vdc ac 2A delayed thermal fuse 90 240 Vac 0 5A delayed thermal fuse Functional Characteristics Off Time 15 to 210 seconds in 15 second increments 4 seconds for special purposes 1 second for test purposes see dip switch settings On Time 80 to 650 milliseconds Input for shut down cleaning Close contact to initiate shut down cle...

Страница 6: ...he low pressure set point is reached on the pressure gauge and the contacts are closed The shutdown cleaning cycle is activated by closing contacts 1 and 2 When closed the controller will fire all solenoids 5 times and then go dormant This contact is normally tied to the fan start up The contact must open on start up or the controller will not start The shutdown cleaning cycle can be activated or ...

Страница 7: ... voltage Unscrew the four screws and remove the window Be careful not to lose the screws gasket or the plastic window Adjust settings per the following instructions When finished clean the contacting surface of the gasket and close the transparent window being careful to properly position the gasket and firmly tighten the four screws CONTROLS DIP SWITCHES ROTATING COMMUTATOR AND TRIMMER The STR Co...

Страница 8: ...me Min 80 milliseconds Max 650 milliseconds Adjust on time so that you hear a sharp pulse similar to a shotgun blast The pulse is to long if excessive air hisses out of the valve after the initial blast Table II Off time adjustment Position Pause sec 0 15 1 20 2 25 3 30 4 35 5 44 6 52 7 60 8 75 9 88 A 100 B 118 C 148 D 175 E 210 F 4 ...

Страница 9: ...rom the control DIN connector and avoid interchanging of the connectors The controller contains a bridge rectifier and will accept AC or DC voltage The device is not polarized so DC voltage positive and negative lines can be connected to either L or N terminals The control DIN connector is grey It contains four terminals where 1 and 2 are used for the shutdown sequence activation and 3 and 4 are u...

Страница 10: ...erature declared for this device 90 C is less than 2 3 of the minimum ignition temperature for the type of dust found in the plant which can cause a potentially explosive atmosphere It is necessary to take protective measures against lightning strikes in the plant where this device is installed It is necessary to protect the device against stray electrical currents coming from lightning strikes ne...

Страница 11: ... material e g RILSAN are present in the equipment in order to measure the pressure inside it or in order to carry compressed air to a solenoid valve those tubes can be a source of static electricity therefore rubbing of the tubes must be avoided The plant designer and the final user must check that no excessive adiabatic air compression takes place in the inside of the ducts connected to this devi...

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