Connection lines
21.10.2015
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Copyright
2014 by: WATERKOTTE GmbH. Subject to changes.
7
Connection lines
Using a hydraulic station you have to create a pipeline connection between
outdoor module and hydraulic station. It is equipped with a water fill anti-
freeze mixture, the concentration depends on the geographical location.
During assembly of connecting lines, use an according tool as brace to
prevent damage.
7.1
Refrigerant charge and additional charge
The outdoor modules come fully charged with refrigerant R410A from the
factory, allowing tube lengths (one way) up to 5 m without requiring addi-
tional charging. If tube lengths are less than 5 m, the charge in the outdoor
module is sufficient. In new modules, excess refrigerant must not be
drained. However, to optimise the module we recommend individual ad-
justment of refrigerant quantity to total volume (refer to table).
The outdoor module shall not exceed 3 m higher or 7 m deep stand
out as the indoor module.
If line length exceeds 5 m, charge module with additional R410A re-
frigerant
.
Series
Factory pre-
charge
[kg
0-5 m
5 m – 20 m
5010.5
3,0 kg
Additional
charge
0
Additional
charge
40 g/m*
5006.5
1,9
Additional
charge
0
Additional
charge
40 g/m*
*Inefficiencies possible, pipeline cross sections have to be adjusted.
Please note:
The line length of 15 m (one way) may only be exceeded if the hot
water temperature is limited to 47.5 ° C! This shall be applied to the
basic settings of the controller.
The heating water temperature in heating mode has to be limited to
50 ° C!
Please note:
Do not exceed permissible line length LMAX (20 m)!
If the maximum difference in height is achieved of 3 m, an oil trap at 1.5 m
has to be provided.
