Dantherm NF-8HD - Down-Time Cleaning (DTC) Modes; DTC Mode 1 Operation; DTC Mode 2 Operation

01AUG 1005GB Cat.20 / Tab. 05.91 / Page 05.05
DTC Down-Time Cleaning
The DTC is activated differently dependent of the selected 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 procedure is only started after stopping the fan and if the
∆p-DTCmax limit is exceeded during operation. (Fan stop: E1-E2 open)