Hoval RoofVent CON-9, Design Handbook

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20 Condensate pump
RoofVent
®
cooling units must be connected to a condensate
drainage system. For applications where connection to the
waste water system would be too complicated or impossible
for constructional reasons, a condensate pump is available.
This pump is installed laterally on the unit, directly under
the condensate drain connection. It pumps the conden-
sate through a flexible hose to a delivery head of 3 m, thus
enabling discharge of the condensate
■ through waste water pipes directly below the ceiling,
■ onto the roof.
Type KP
Output (at 3 m delivery head) max. 150 l/h
Tank capacity max. 1.9 l
Dimensions (L x W x H) 288 x 127 x 178 mm
Weight 2.4 kg
Table K27: Technical data of the condensate pump
Fig. K7: Condensate pump
21 Heating and cooling in the 4-pipe system
In a 4-pipe system, there are two completely separate
hydraulic circuits for heating and cooling (see Fig. K8). For
such applications, an additional heating section is installed in
the RoofVent
®
unit. The below-roof unit then consists of:
■ Filter box
■ Heating section (additional)
■ Cooling section
■ Air-Injector
As a result, the technical data also changes (for dimensions
and weight of the heating section, see part B – RoofVent
®
LHW, performance data of the units is available upon
request).
The Hoval DigiNet
■ automatically switches between heating and cooling,
■ controls the mixing valve heating and cooling (and if appli-
cable, the heating pump and cooling pump) separately.
Note
Order the 'Cooling in the 4-pipe system' option for the
DigiNet zone control panel.
Options
Condensate pump