Calibrate Fan Speed - Dantherm HRV 501 Serviceanleitung

Calibrate fan speed

Introduction
Important
Calibrating
20
This section describes how to calibrate the fan speed, to
adapt correct air flows into individual installations
Display show an arrow for supply or extract
fan, and the according speed step.
This example is calibrating supply fan at
speed 3" with value 75 %
Only trained and certified technicians are allowed to calibrate the fan speeds!
After completing the calibration, ALWAYS write the values into appendix B, in order to
be able to reconstruct it later
Default values for both extract and supply fan is:
1. 25%
2. 50%
3. 75%
4. 100%
These default values should be calibrated by following these below steps:
Step
1 Press OK – clock icons starts flashing. Press RIGHT/LEFT to select fan icon-
OK to enter this menu. Extract fan, speed a is flashing
2 Press UP/DOWN keys to set the extract fan speed 1 in percentage. OK stores
the setting, and proceed to supply fan speed 1
3 Press UP/DOWN keys to set the supply fan speed 1 in percentage. OK stores
the setting, and proceed to fan speed 2
4 Repeat step 2 and 3 until all eight fans speeds are calibrated
5 Write down all eight values in the appendix at page 43
Action