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The airflow volume can be regulated by adjusting:
- the potentiometer (goes for all nozzles)
- the integrated air volume control (for individual nozzles)
Refer to Fig. II on page 75 for more guidelines to
achieve a proper air circulation.
The throw can be adjusted by the potentiometer
100% (ref. Fig. 5.1C). The fan speed ranges between 30Hz (0%)
and 50Hz (100%). The maximum throw is 40 m (130 ft) at an
air velocity of 0.3 to 0.5 m/s (1 to 1.6 ft/s).
It is recommended not to overdimension the capacity, but to
strive for a proper air circulation at the lowest possible fan
speed.
•
Adjust the nozzles to the best position, considering the
guidelines as written above.
•
Regulate the correct throw by adjusting the potentiometer.
If necessary, regulate the air volume control per nozzle.
The table below indicates the throw related to the airflow and
1
fan speed
.
Throw
Airflow/
nozzle
20 m
3
1000 m
/h
(65 ft)
(590 CFM)
40 m
3
1500 m
/h
(130 ft)
(885 CFM)
For more detailed information, refer to Fig. III on page 76. Fig.
IV shows the horizontal throw per nozzle.
4.5.2 PLC parameters
The system is controlled by a PLC, which can be found inside the
control panel. Before putting the system into operation, the time
and date need to be programmed. If desired, menu language
can be changes as well.
P1
Fig. 4.14: PLC (Siemens LOGO! TD)
1. All nozzles 100% open.
0507340050/010111/D EDS
FANSPEED
Total
Fan speed
airflow
(ref. Fig.
5.1C)
0%
3
6000 m
/h
(3530 CFM)
100%
3
9000 m
/h
(5300 CFM)
I7
ESC
OK
The language of the LOGO! menus can be set in one of the ten
predefined languages:
- CN (Chinese)
- DE (German)
- EN (English)
- ES (Spanish)
- FR (French)
0-
Default language is English. To change the menu language,
proceed as follows.
Fig. 4.15
The display shows:
Program..
Card..
Setup..
Start
•
Move the '>' cursor to 'Setup': Press
•
Press OK.
•
Move the '>' cursor to 'Menu Lang': Press
Freq.
•
Press OK.
•
Press
•
Confirm language selection: Press OK.
30Hz
•
Press ESC (2x).
To set the time and date, proceed as follows.
50Hz
•
Press
•
Press ESC.
•
Select 'Set..'. Press
•
Press OK.
•
Move the '>' cursor to 'Clock': Press
•
Press OK.
•
Move the '>' cursor to 'Set Clock': Press
•
Apply 'Set Clock': Press OK.
The display shows (example):
Set Clock
Mo 15:30
YYYY-MM-DD
2008-05-26
•
Select the day of the week: Press
M = Monday; T = Tuesday; W = Wednesday; T = Thursday;
F = Friday; S = Saturday; S = Sunday.
•
Move the '>' cursor to the next position: Press
•
To change the time: Press
•
To set the correct time of day, repeat previous two steps.
•
Proceed the same to set the correct date.
•
To confirm the entries: Press OK.
•
Press ESC (2x).
To set summertime/wintertime (if applicable), proceed as
follows.
•
Press
•
Press ESC.
•
Select 'Set..' Press
•
Press OK.
•
Move the '>' cursor to 'Clock': Press
•
Press OK.
•
Move the '>' cursor to 'S/W Time': Press
•
Press OK.
- IT (Italian)
- NL (Dutch)
- RU (Russian)
- TR (Turkish)
- JP (Japanese)
or
to select the language of your choice.
to show time + date.
or
.
or
.
to show time + date.
or
.
or
.
or
.
or
.
or
.
or
.
or
.
or
.
or
.
EN - 21
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