SEFRAM SEQUENCER SET18DP Manual

Differential pressure switch

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SEQUENCER WITH

DIFFERENTIAL PRESSURE

SWITCH

Outputs SV AC version

PLACE GUTENBERG - 59175 TEMPLEMARS (France)

Tel: +33(0)3 20 60 49 49 - Fax: +33(0)3 20 95 59 62

Email:

contact@sefram.eu

Web:

www.sefram.eu

Electronics dedicated to dedusting and air

quality

Technical brochure

FI 72.0452.0617E

Page 1 / 25

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Page 1 DIFFERENTIAL PRESSURE SWITCH Outputs SV AC version PLACE GUTENBERG - 59175 TEMPLEMARS (France) Tel: +33(0)3 20 60 49 49 - Fax: +33(0)3 20 95 59 62 Email: contact@sefram.eu Web: www.sefram.eu Electronics dedicated to dedusting and air quality Technical brochure FI 72.0452.0617E...
Page 2: Table Of Contents
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH SUMMARY : DESCRIPTION : Page SET18DP is an adjustable device for control and full automatization of dedusting equipments, whose declogging is done - DESCRIPTION by pressured air injections. - CHARACTERISTICS Permanent control of differential pressure allows an optimal - DIMENSIONS AND MOUNTING efficiency according to the whole parameters, for any type of exploitation and product.
Page 3: Characteristics
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH CHARACTERISTICS : - Supply voltage (nominal voltage) : 115/230V 50-60 Hz 24V/48V 50-60 Hz - Consumption (nominal current) maxi : 5VA + consumption of solenoïd valves voltage - Protection : With fuse 5x20mm (see table 1) - Solenoid valves voltage : According to supply voltage (see table 1) 24V/48V/115V/230V...
Page 4: Dimensions And Mounting
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH DIMENSION AND MOUNTING : If version till 18 SV by multiconductor cable (1 common + ground for 6 SV) Connection for pipe 6/8mm + : dirty air side - : clean air side if version with output 4-20mA Tightening capacity of glands :...
Page 5 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH If version till 10 SV by individual cables (1 common + ground per SV) Connection for pipe 6/8mm + : dirty air side - : clean air side If version with output 4-20mA Tightening capacity of glands : ISO 16 from 4 to 8mm ISO 20...
Page 6: Protection
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH PROTECTION : Protection fuse of SV outputs is reachable after dismounting the connections cover. (see table 1 for the calibre of the fuse). Fuse F1 et F2 : Fuse F3 : General protection Protection of outputs of the device solenoid valves VOLTAGE CHOICE :...
Page 7 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Jumper on : S1 / S3 / S4 115VAC / 115VAC 24VAC / 24VAC Nothing on : S2 / S5 / S6 Jumper on : S2 / S5 / S6 230VAC / 24VAC 230VAC / 48VAC Nothing on : S1 / S3 / S4 Jumper on :...
Page 8: Connections
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH CONNECTIONS : Connections must be done when power off. Connections terminals are reachable after opening the transparent front panel and dismounting cover (lower part of the box). According to configuration of the device, some terminals may not be included. Cable strings will be flexible and will have a section between 0.5 and 1.5 mm2.
Page 9 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH If version till 10 SV with individual cable (1 common + ground for each SV) : 10x common EV 10x ground SV 1 to 10 Supply Input I1 Depending on the version Connection of outputs Output information 115V/230V Solenoid valves 1 to 10...
Page 10: User Interface
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH USER INTERFACE : User interface is done through the touch screen on front panel of the box. When the device is switched on, logo of the company is displayed during 3 seconds, then main menu is displayed. To activate a function or access to adjustment of a parameter: press the corresponding area.
Page 11 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH 2 : Information about state of declogging cycle. Display of running time and countdown. Display of last SV activated and the following SV. If press this area : link to the display « sequencer informations ». 3 : Display of AON I1 input .
Page 12 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page measure load loss dP : 1 : Graph of the measure of load loss dP. Display of the 7.5 last hours of running of the device (1pt every 90 seconds). When device is turned off, the graph is reset.
Page 13: Main Page
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page sequencer informations : 1 : Displays the number of the last SV activated. Remark : if there is not any declogging cycle since the device has been switched on, it indicates 0 2 : Displays the number of the next SV which will be activated. 3 : Information about the state of the declogging cycle.
Page 14 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page main menu : 1 : If press this area : go back to main page. 2 : If press this area : jump to page « safety ». 3 : If press this area : jump to page « language ». 4 : If press this area : jump to page «...
Page 15 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page language : 1 : If press this area : changes to English language and jumps to main page. 2 : If press this area : changes to French language and jump to main page. 3 : If press this area : go back to page menu.
Page 16 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page safety levels : The users are classified into 3 levels : level 0, level 1 and level 2. Levels 1 and 2 are protected by password. Access to some functionalities or modification of some parameters are possible, according to the protection level we have.
Page 17 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page parameters 1/4: 1 : T1 : pulse time on one declogging SV. Adjustable from 3 to 255 1/100th seconds (reachable at level 1 or above). 2 : T2 : rest time between two pulses of declogging SV. Adjustable from 1 to 255 seconds (reachable at level 1 and above ).
Page 18 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page parameters 2/4: 1 : We choose if dP order is or isn’t taken into consideration to launch declogging cycle (reachable at level 1 and above). « with dP » : declogging depends on dP order. «...
Page 19: Parameters Page
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page parameters 3/4: The device can detect a fan stop, by two ways : by I1 input or by measure of load loss dP. When it moves from running fan state to stop fan state : the quantity of declogging cycles is done. Remark : if during the achievement of the indicated number of declogging cycles, the fan stops and starts again, the running declogging cycle stops and we start again with standard running.
Page 20 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page parameters 4/4: If the device is equipped of the 4-20mA output for the report of load loss measure, this page allows to define the scale of this output. The output is at 4mA if the load loss measure dP=0 daPa. The output is at 20mA if the load loss measure dP=indicated value.
Page 21 SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page manual running : 1 : Adjust the number of cycles to run if manual mode Declogging cycles in manual mode, are running, without taking into consideration the input I1 or the load loss measure dP. The value countdowns, according to the cycles which are achieved.
Page 22: Running
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH Page system informations: 1 : Indicates the serial number of the device 2 : Indicates the software version of the central unit card. 3 : Indicates the software version of the user interface card. 4 : Indicates the name of the device. 5 : Indicates the current protection level.
Page 23: Faults
SEQUENCER WITH DIFFERENTIAL PRESSURE SWITCH FAULTS : Control electrical fault : When a SV is activated, the device checks the used electric current. If there is no consumption, an electric fault is generated ( for instance : SV not connected or badly connected, SV coil out of order…). If there is an electric consumption although no SV should be activated, an electrical fault as short circuit is generated ( for instance card failing…).
Page 24: General Instructions Of
In the event of a problem, please contact Sefram. II. RECEPTION - STORAGE V. MAINTENANCE After unpacking the device, check that this latter has not The device does not require any special maintenance.
Page 25: Warranty
Damage caused by abnormal use of the device, connecting error, surges/overvoltages, overpressure, etc. Any intervention on the device apart from the connections In case of failure, no action is permitted and the unit must be returned to the following address: SEFRAM PLACE GUTENBERG 59175 TEMPLEMARS...

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