m/s
0
8
4
12
2
10
6
14
1
9
5
13
3
11
7
15
EN
11
2.00.390C - 1 User’s Manual
D Ü P E R T H A L S i c h e r h e i t s t e c h n i k G m b H & C o . K G
Frankenstr. 3
63791 Karlstein, Germany
Version March 2022
3.2.5 Setting the Speed of the Fan
When the “Fan Speed” sub-menu was selected, the screen changes to
the display reproduced in Display 8. The currently set speed of the fan
is indicated by the cursor arrow sign. When it is shipped ex works, the
unit is set to maximum fan speed.
Press the
or
key to move the cursor to the left or the right, thereby
reducing or increasing the fan speed. To turn the fan off, move the cursor
once more to the left, pressing the
key, when it is on the minimum
position. To set the new speed, press the START/SET key.
Important
For increased safety, the STOP/RESET key is disabled while
a modification of the fan speed setting is in progress, in order
to avoid any inadvertent change. You will have to positively
confirm the currently displayed value by pressing START/SET,
to be able to quit this input screen.
Info
The information on fluid velocity, fan speed, and volume flow
rate in the table below relate to the following setup:
• Inside diameter of measuring tube D = 70.5 mm
• Length of measuring tube L = 1000 mm
• Position of sensor centric relative to measuring tube
• No power-comsuming device (safety cabinet) connected
• Fan not subjected to any strain or load
Level
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Revolutions, 1/min
0
900 1038 1176 1314 1446 1584 1722 1860 1998 2136 2274 2406 2544 2682 2820
Fluid Velocity, m/s 0.0
0.7
0.8
1.0
1.2
1.3
1.5
1.7
1.9
1.9
2.0
2.3
2.3
2.3
2.4
2.6
Volume Flow Rate, m³/h
0
10
11
14
17
18
21
24
27
27 28,5 32
32
32
34
37
3.2.6 Connecting a Cool Line Refrigerator (2.00.390C model version only)
The custom-designed power socket at the back of the enclosure (see
upper photograph on the next page), which is designed for connecting a
Cool Line series refrigerator to the unit, can be enabled or disabled with
the “Cool Line” option of Configuration Menu 2. When it is disabled, the
refrigerator is switched off and there is a “Cool Line disabled” message
on the standard display, alternating with the status message “Exhaust
Air OK” on the first line. Acceptable specifications of a refrigerator are
230 V AC, 50 Hz, max. 5 A.
Important
The 2.00.390 C model version of the exhaust air control unit
ships with a dedicated adapter cable matched to the custom-
designed power socket (see lower photographs on the next
off min 15 max
├
-
┤
├
-------------
┤
↑
Display 8
Fan Speed Setting
Fluid V
elocity
Содержание HNA-18 II ATEX F
Страница 2: ......
