Airflow DUPLEXBASE PT 2800 Manual de instalación, uso y mantenimiento - Página 12

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Duplexbase PT 1500
Filter type
Flow rate (m
Initial pressure loss (Pa)
ISO
ePM1 55% (F7)
Final pressure loss (Pa)
Initial pressure loss (Pa)
ISO
ePM10 50% (M5)
Final pressure loss (Pa)
Duplexbase PT 2500
Filter type
Flow rate (m
Initial pressure loss (Pa)
ISO
ePM1 55% (F7)
Final pressure loss (Pa)
Initial pressure loss (Pa)
ISO
ePM10 50% (M5)
Final pressure loss (Pa)
Duplexbase PT 3500
Filter type
Flow rate (m
Initial pressure loss (Pa)
ISO
ePM1 55% (F7)
Final pressure loss (Pa)
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.
After installing the manometers do not tilt the machine or the door (if they are installed on the
door). Measurement liquid might leak out.
4.9.

Installing hot water heating coil

During the mechanical installation of the hot water air heater follow the manual supplied with this
optional accessory.
The supply (and top-up) water should fulfil especially the following criteria:
The water must be limpid and colourless.
·
·
The pH value of water must not be lower than 7. If water contains dissolved neutral salts its pH
value is to be between 8,5 and 9,5. Soda lye or trisodium phosphate (Na
alkalinisation.
The content of carbon dioxide in an ion and non-ion form is to be as small as possible.
·
The remaining supply water hardness should be lower than 7 mmol/l (at q < 23 kW/m2) and 5
·
mmol/l (at q > 23 kW/m2).
To soften the water, the following chemicals can be used: trisodium phosphate Na
·
exchange resin (in case water is harder than 7 mmol/l; circuits with high volume of water; when
electrical boilers and radiation boilers are present).
The amount of calcium ion in the water up to 3,5 mmol/l (at q < 23 kW/m2) and up to 1,8 mmol/l
·
(at q > 23 kW/m2).
All CO
·
up to 75 mg/l (at q < 23 kW/m2) and 10 mg/l (at q > 23 kW/m2).
2
Exact composition of top-up water is mentioned in the norm ČSN 07 7401, in the annex, Table 1.
/h)
800
3
13
200
2
200
/h)
800
3
13
200
3
200
3
/h)
1000
10
200
2
200
1000
1200
21
30
200
200
4
5
200
200
1000
1500
2000
18
31
48
200
200
200
4
8
12
200
200
200
1500
2000
2500
13
24
30
200
200
200
4
6
11
200
200
200
3
1500
1800
47
68
200
200
8
11
200
200
2200
2500
55
67
200
200
15
18
200
200
3000
3500
47
64
200
200
15
22
200
200
PO
) can be used for
4
PO
or cation-
3
4
12