7
Condensate drainage
connection and safe
drainage
Condensate drainage connection
If the temperature falls below the dew point, con-
densate will form on the cooling fins during cooling
mode. A collection tray together with a condensate
pump and liquid level switch are fitted as standard
below the cooling fins. If the liquid level switch trips
a protective shutdown due to inadequate removal
of the condensate, the pump will switch on immedi-
ately and run on for approx. three minutes.
n
The condensate drainage line should have an
incline of min. 2%. This is the responsibility of
the customer. If necessary, fit vapour-diffusion-
proof insulation.
n
If the level of the condensate drainage line on
the unit is above that of the outlet, route the
pipe vertically upwards and then with an incline
to the drain.
n
Route the unit's condensate drainage line
freely into the drain line. If the condensate runs
directly into a sewer pipe, fit a trap to prevent
any unpleasant odours.
n
When operating the unit at outside tempera-
tures below 4 °C, ensure the condensate
drainage line is laid to protect it against frost. If
necessary, fit a pipe heater.
n
Following installation, check that the conden-
sate run off is unobstructed and ensure that the
line is durably leak tight.
Safe drainage in the event of leakages
Local regulations or environmental laws, for
example the German Water Resource Act (WHG),
can require suitable precautions to protect against
uncontrolled drainage in case of leakage to provide
for safe disposal of escaping air conditioning fluid
or hazardous media.
NOTICE!
The maximum capacity of the condensate
pump is 500 mm WS. External influences, such
as air-side back pressure, contamination, or
wear may cause a reduction in performance. To
ensure safe operation function, we recommend
a maximum conveyor height of 450 mm should
not be exceeded!
NOTICE!
If condensate is removed via a duct in accord-
ance with DIN EN 1717, ensure that any micro-
biological contamination present on the waste-
water side (bacteria, fungi, viruses) cannot
enter the unit connected to it.
A
C
B
D
Fig. 43: Condensate drainage connection - incor-
rect!
A: Riser pipe too far away
B: Condensate drainage line too large/small
C: No incline
D: Cannot freely drain away
16-20 mm
min. 2%
max.
500 mmWS
Fig. 44: Condensate drainage connection - correct!
35
