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Unpack and install air filters last, immediately before putting the unit into service to avoid their
contamination.
Use original filter cassettes only! If different cassettes were used, the manufacturer cannot
guarantee their proper function!
Record the date of installing filters appropriately in e.g. the operational logbook.
4.7.
Installing, connecting and filling liquid manometers
Liquid manometers are a separately supplied accessory. Manometers are compulsory for hygienic
units in compliance with VDI 6022.
●
Manometers are used for measuring the pressure loss of air filters. During installation follow the
visual instructions supplied with this optional accessory. After installation level the manometers
horizontally.
Connect the manometers to collection points on the unit´s surface using tubes. Connect the tube
●
to the top of the manometer and run it to the metal bushing on the unit´s surface (also see a
separate manometer installation manual). The tube must always connect two matching connection
points identified by symbols "+" and "F+" and "-" and "F-" (cannot be combined). Make sure that
tubes from just one filter are connected to the manometer.
●
Attach the relevant label near each manometer. Fill out the boxes with the filter grade and record
the flow rates and pressure losses of the clean filter (initial pressure loss) and when clogged (final
pressure loss) using data from the table below; the values must be adjusted on the basis on actual
air flow rates through the unit. The unattached label without information filled out is included.
DUPLEX RS5 1500/700, 1500/1000, 2500/700 a 2500/1000
Filter type
Air volume (m
Supply / exhaust air filter
Initial pressure loss (Pa)
ISO ePM1
55% (F7)
Final pressure loss (Pa)
Initial pressure loss (Pa)
ISO ePM10
50% (M5)
Final pressure loss (Pa)
Circulation air filter
Initial pressure loss (Pa)
ISO ePM10
50% (M5)
Final pressure loss (Pa)
DUPLEX RS5 3500/1200, 3500/2000, 5500/1200, 5500/2000
Filter type
Air volume (m
Supply / exhaust air filter
Initial pressure loss (Pa)
ISO ePM1
55% (F7)
Final pressure loss (Pa)
Initial pressure loss (Pa)
ISO ePM10
50% (M5)
Final pressure loss (Pa)
Circulation air filter
Initial pressure loss (Pa)
ISO ePM10
50% (M5)
Final pressure loss (Pa)
Note: Values in the tables apply to external static pressure 200 Pa. Different pressure requirements
may result in a different situation. If needed, the detailed initial and final pressure loss data of the
filters are available on request from the supplier of the unit.
●
Make sure that the position of the label makes it possible to regularly inspect the values recorded.
●
Unscrew the rotating knob as much as possible to set zero on the scale (the bottom knob
identified by - +), then screw it back by approximately two full turns to have leeway to make
settings in both directions.
●
Unscrew the FILL plug (the top knob) and keep filling the machine with measuring liquid (included
in delivery) until the liquid is visible near the zero mark on the scale. Use the bottom knob to set the
value on the scale precisely to zero. Screw the top filling plug in.
3
/h)
200
5
300
2
150
-
-
3
/h)
400
8
300
3
150
1
150
400
600
800
21
47
84
300
300
300
9
21
37
150
150
150
1
3
5
150
150
150
800 1200 1600 2000 3000 4000
32
72
127
183
300
300
300
300
12
27
48
69
150
150
150
150
3
7
13
20
150
150
150
150
1000
1500
2500
131
-
-
300
-
-
58
-
-
150
-
-
9
19
47
150
150
150
5500
-
-
-
-
-
-
-
-
-
-
-
-
45
81
141
150
150
150
11
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