Dampers; Xk/Xks Section - Dantherm DanX 2/4 XKS Installation, Commissioning And Service Manual

4. COMMISSIONING

4.4.2 Dampers

You will find the following 5 dampers installed in a XWPS section:
1. Dehumidification damper
2. By-pass damper
3. Recirculation damper
4. Outdoor air damper
5. Exhaust air damper
Before commissioning the unit make sure that the dampers are opening/closing in the right
direction.
To check this set the controls to night time (no outdoor air) and the dampers should be in the
following positions:
Dehumidification damper (1) and recirculation damper (3) fully open.
•
Outdoor damper (4) and exhaust air damper (5) fully closed.
•
Now change the program to daytime and see if damper 4 and 5 are starting to open and if
damper 1 and 3 are starting to close. Now set the outside air to 100%, wait a few minutes
and check if the dampers have taken the following positions:
Dehumidification damper (1) and recirculation damper (3) fully closed.
•
Outdoor damper (4) and exhaust air damper (5) fully open.
•
Now check the operation of the by-pass damper (2). Make sure that there is a temperature
difference between the swimming pool hall temperature set point and the outdoor air
temperature of at least 10°C, so that the unit runs in heat recovery mode. Now the larger
damper over the heat exchanger should be fully open.

4.5 XK/XKS section

To commission the XKS/XK section for the first time, the following actions have to be taken:
Check if the drain pipes are installed correctly (see 3.3.2) and if the drip trays inside
•
the unit are clean.
Check that all loss parts/accessories have been removed from the inside of the unit.
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