HiDew DDS - Hydraulic Connection and Condensate Discharge; Hydraulic Circuit Connection Guidelines and Warnings; Condensate Discharge Connection Procedure

Installation, use and maintenance manual – rev08
DDS-DCS-DVS-DOS - Dehumidifiers for small swimming pools
39 - 60
7.3 HYDRAULIC CONNECTION
It is mandatory to follow the requirements below, when implementing the hydraulic circuit, to comply with the following
requirements and in any case, comply with national or local regulations.
Do not twine on the connections of the unit. With a key, block the connection and with another
one, fix the adaptor.
Use flexible joints to join the pipes in order to dampen vibrations and to compensate for thermal expansion.
The following components should be installed on the piping:
- temperature and pressure indicators for routine maintenance and inspections of the unit. Pressure control allows you to assess the
correct functioning of the expansion tank and to detect water leakage in advance;
- interception valves (dampers) to insulate the hydraulic circuit in case of maintenance interventions;
- mechanical clew (inlet pipe) with 1 mm mesh, to protect the exchanger from the impurities present in the pipes. This requirement
is, above all, necessary for commissioning;
- vent valves, to be placed on the highest areas of the hydraulic circuit, in order to allow the air purge;
- discharge cock and drain tank, where needed, in order to empty the system for maintenance;
- for process applications, it is recommended to install a decoupling heat exchanger, which avoids the fouling of the heat
exchangers.
It is fundamental that the water inlet is realized in correspondence with the connection indicated
with the label “Water inlet”. Otherwise the countercurrent circuitry would not be respected with the
risk of malfunction, blockage or breakage of the unit.
Dimensions and position of the hydraulic connections are indicated in the dimensional drawings.
The hydraulic circuit must be designed in such a way as to guarantee the constancy of the nominal
water flow (+/- 15%) in all operating conditions.
7.3.1 Condensate discharge connection
Connect with a flexible rubber hose with an internal diameter of 16 mm.
There is no siphon inside the unit. It is not mandatory to perform the siphon.
The inclination of the discharge pipe must be such that the water flows from the unit to the
outside in all cases. If this does not happen and the collection tray inside the unit fills up,
overflows may occur with consequent water leakage.