Dantherm NF-8HD Manuale - Pagina 9

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01AUG 1005GB

DTC Mode 3:

Fig. 3: In DTC Mode 3 the down-time cleaning procedure is started when the pressure comes under the ∆p-

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

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)

open

closed

„∆p-Mode ON"

Switch (terminals D1,D2)

open

closed

open

closed

Cat.20 / Tab. 05.91 / Page 05.06

Delta-P DTCmax

∆p-

terminal):

Differential pressure ∆p

∆p > ∆p MAX

∆p < ∆p MIN

Cleaning

OFF

Cleaning

OFF