Dantherm NF-8HD Скачать руководство пользователя страница 9

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01AUG 1005GB

Cat.20 / Tab. 05.91 / Page 05.06

DTC Mode 3:

Fig. 3:

In DTC Mode 3 the down-time cleaning procedure is started when the pressure comes under the

∆

DTCmin limit, but only if the

∆

p-DTCmax has been exceeded. The terminals E1 and E2 are not taken

into account.

Cleaning in connection with the start/stop output (external

∆

terminal):

The terminals D1 and D2 can be bridged with a potentialfree switch. The cleaning procedure
can be seen from the below table:

„

∆

p-Mode OFF“

Switch (terminals D1,D2)

Cleaning

open ON
closed OFF

„

∆

p-Mode ON“

Switch (terminals D1,D2)

Differential pressure

∆

Cleaning

open

∆

p >

∆

p MAX

closed

∆

p >

∆

p MAX

OFF

open

∆

p <

∆

p MIN

OFF

closed

∆

p <

∆

p MIN

Delta-P DTCmax

Содержание NF-8HD

Страница 1: ...5 Vers 1005 CONTENTS Safety Instructions Tab 05 51 Page 06 01 06 02 Installation Manual Tab 05 91 Page 05 01 05 12 Operating Instructions Tab 05 91 Page 07 01 07 04 Maintenance Instructions Tab 05 91...

Страница 2: ...ction doors and similar may not be performed until after the usual cleaning periods have been run until filters are free of dust accumulation and dust waste has been carried to silo waste bin In this...

Страница 3: ...rotection must be provided against static electric charging in the suction arrangement Boring of holes in filter housing or adjoining pipe ducts may be performed only when the system has stopped and b...

Страница 4: ...air cleaning using 24V DC magnetic coils at the valves When the voltage supply is turned on the filter control automatically operates for previously specified cleaning periods without any need of ext...

Страница 5: ...nd the pressure afterwards reached the Delta P DTCmin limit Where the dust removal system includes automatic components these should also function during down time cleaning periods Signals for this pu...

Страница 6: ...0 ms 30 300ms 04 Interval time Interval time 10 4 500 s 05 DTC Interval time DT interval time 6s 2 100 s 06 Total valve no of valves 0 0 160 07 DTC Down Time Cl Down time cycles 6 0 32 08 DTCmax Param...

Страница 7: ...he differential pressure is displayed in plain text Test operation Go to the parameter test operation and select one of the following testmodes In Test mode 0 The test operation is de activated In Tes...

Страница 8: ...elected method DTC Mode 1 Fig 1 In DTC Mode 1 the down time cleaning procedure is started on the terminals E1 and E2 Fan stops E1 E2 open DTC Mode 2 Fig 2 In DTC Mode 2 the down time cleaning procedur...

Страница 9: ...are not taken into account Cleaning in connection with the start stop output external p terminal The terminals D1 and D2 can be bridged with a potentialfree switch The cleaning procedure can be seen f...

Страница 10: ...er the covers on the electrical controllers are properly and tightly mounted Specifications Application Specifications Terminals Mains voltage 230 V AC 10 110 V 120 V AC 10 1 3 2 3 Output voltage Appr...

Страница 11: ...V5 V6 V7 V8 B1 B2 B3 B4 24V DC Ventile 2 bis 8 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 S3 S4 V9 V10 V11 V12 V13 V14 V15 V16 _ F1 F2 24V DC Ventile 10 bis 16 24V DC 24V DC 3 1 3 2 3...

Страница 12: ...7 18 19 6 20 21 22 23 24 1 2 3 4 5 6 7 8 Y1 Y8 Y2 Y7 Y9 B1 B2 B3 B4 X1 X2 X3 X4 V1 V2 V3 V4 V5 V6 V7 V8 B1 B2 B3 B4 X1 X2 X3 X4 V1 V2 NF 8HD NF 16HD NF 8E NF 16E NF 8E NF 16E ON ON OFF OFF 1 2 3 4 5 6...

Страница 13: ...A3 S1 S2 E1 E2 D1 D2 L230 L110 NF 8HD M A1 A2 A1 L1 N A2 Fig 8 Connection of compressed air hoses for NF 8HD P1 P2 D04006 cdr 1 2 3 4 5 6 7 8 9 10 11 12 13 N 250 V AC 0 4 A Alarm ON OFF p extern ON O...

Страница 14: ...rameter value is saved To return to the operating mode Press the button and the button for more than 3 seconds to return to the operating mode Parameter list NF 8HD standard values in the p MIN 700 Pa...

Страница 15: ...01AUG 1005GB Cat 20 Tab 05 91 Page 05 012 D04008 cdr 3 s 3 s 1 s 1 s p 1 s p 2 s n max min 10 s t M M 5 s Fig 10 Short description of how to check and change the parameters...

Страница 16: ...efect Pulse duration too short Cleaning cycle often disrupted Defect filter system Large scale filters 160 valves where only a part of the filter is cleaned Reduce pause interval 04 Adjust the pressur...

Страница 17: ...V5 V6 V7 V8 B1 B2 B3 B4 24V DC Ventile 2 bis 8 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 S3 S4 V9 V10 V11 V12 V13 V14 V15 V16 _ F1 F2 24V DC Ventile 10 bis 16 24V DC 24V DC 3 1 3 2 3...

Страница 18: ...s to the voltage supply L230 1 L110 2 and N 3 or possibly another especially prescribed voltage In addition the safety recommendation NF10 must be observed Maintenance A stable operating filter contro...

Страница 19: ...has to be replaced Fuses Type T 0 4 A 250V DC 5x20 mm Main controller Type NF 8HD art no 388015 090 NF 16HD art no 388015 095 Extension unit Type NF 8E art no 388015 065 NF 16E art no 388015 067 Chip...

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