Calibration Of The Air Flows - Dantherm HCV 300 Manual

Calibration of the air flows

Introduction
Calibration tools
!
NOTICE
Use of flow chart
36
In order to obtain the correct comfort level, as well as managing humidity level, it's important
to adjust the amount of supply air going into the house, as well as extract air from the house.
This is done by adjusting the fan speed level in nominal mode, that is equal to level 3.
Calibration of the air flow can be done in two ways:
1. via the foil keypad of the unit (see description below)
2. via PC Tool (follow step-by-step description in PC tool)
In both procedures the air flows need to be calibrated by measuring the ΔPa over the heat
exchanger, by using the pressure nozzles behind the front cover.
Dantherm recommends using a handheld manometer such as Testo 510 or similar.
Pour 0,5 L water into the siphon, to prevent leakage from the drain prior to calibration.
Follow these steps as a preparation for calibrating the unit.
Step Action
1 Use a desired air flow rate according to national regulations, which corresponds to
the size and pressure loss of the house.
The supply air flow must under no circumstances be higher than the extract air
Warning
flow, as this can cause humid air to be pressed into the building construction with
destructive, negative effects on the building.
2 Write down the desired values of supply
Caution
and exhaust air flow rates on the label
placed on the cover of the heat exchang-
er.
(The values here are examples for illustra-
tive purposes only)
3 Read the corresponding pressure loss on
the airflow chart on the heat exchanger
and write down the value as illustrated.
INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Installation: Calibration of the air flows
80
70
60
Illustration
50
40
30
20
10
0
0
P1 P2
P3 P4
80
70
60
50
40
30
80
20
70
10
60
0
50 0
40
30
20
10
P1 P2
0
0 20
P3 P4
P1 P2
P3 P4
80
70
60
50
40
Air ow
P1-P2
20
40 60 80 100 120 140 160 180 200 220 240
Einstellwerte / Calibration / Calibrazione
[Pa]
[Pa]
Air ow
P1-P2
Air ow
P1-P2
20
40 60 80 100 120 140 160 180 200 220 240
Einstellwerte / Calibration / Calibrazione
54
[Pa]
40 60 80 100 120 140 160 180 200 220 240
50
[Pa]
Einstellwerte / Calibration / Calibrazione
[Pa]
[Pa]
Air ow
P1-P2
P3-P4
171
[m³]
180
[m³]
P3-P4
P3-P4
171
[m³]
180
[m³]
[m³]
[m³]
P3-P4