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line in Fig. 7.15 ).
Sequence for setting the K coeffi cient
•
Enter in "programming mode" by pressing
keys 11 - 12 - 13 ( Fig. 7.16 ) for 10 seconds
at the same time until the letters Pr that al-
ternate with code 01 are displayed on the
LCD display, indicating that "parameter
01, has been activated ( Fig. 7.17 ).
Fig. 7.16
Fig. 7.17
•
Scroll the various parameters using keys
12 or 13 until the letters Pr that alternate
with code 15 are displayed on the LCD
display, indicating that "parameter 15"( Fig.
7.18 ) has been activated.
COMMISSIONING
14
13
12
11
Fig. 7.18
•
Press keys
11 and 13 ( Fig. 7.16 ) at the
same time until the value of parameter 15
( Fig. 7.19 ) is displayed on the LCD dis-
play.
Fig. 7.19
•
Using keys
12 or 13 it is possible to change
the value of parameter 15 from a minimum
of 01 to a maximum of 60 based on the
selected bend of the K coeffi cient in Fig.
7.15 (the value read on the display corre-
sponds to K coeffi cients decimal values).
•
By pressing key
11 ( Fig. 7.16 ) confi rma-
tion of the inserted value is obtained.
•
Press keys
11 and 12 ( Fig. 7.16 ) at the
same time to exit without changing the val-
ue (return to the parameters list Fig. 7.18 )
•
Press keys
11 - 12 - 13 ( Fig. 7.16 ) at the
same time for 10 seconds to exit the "pro-
gramming mode.
At this point the plant fl ow temperature will
- 57 -
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