- 57 -
INST
ALLA
TION
COMMISSIONING
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
11
12
13
14
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.
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