6.4 Adding refrigerant
The unit contains a basic quantity of refrigerant. In
addition, an additional amount of refrigerant must
be added for refrigerant piping lengths exceeding 5
metres per circuit. Refer to the following chart:
Up to and
incl. 5 m
From 5 m
SKT 520-1060 AT
0 g/m
30 g/m
CAUTION!
Wear protective clothing when handling refrig-
erant.
DANGER!
Only refrigerant in a liquid state may be used to
fill the cooling cycle!
NOTICE!
Check the overheating to determine the refrig-
erant fill quantity.
NOTICE!
The escape of refrigerant contributes to climatic
change. In the event of escape, refrigerant with
a low greenhouse potential has a lesser impact
on global warming than those with a high
greenhouse potential. This device contains
refrigerant with a greenhouse potential of 2088.
That means the escape of 1 kg of this refrig-
erant has an effect on global warming that is
2088 times greater than 1 kg CO
2
, based on
100 years. Do not conduct any work on the
refrigerant circuit or dismantle the device -
always enlist the help of qualified experts.
7
Condensate drainage
connection and safe
drainage
Condensate drainage connection
If the temperature falls below the dew point, con-
densation will form on the finned condenser during
heating mode.
A condensate tray should be
installed on the underside of the unit to drain any
condensate.
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
When operating the unit at outdoor tempera-
tures below 4
℃
, care must be taken that the
condensate drain is anti-freeze protected. The
lower part of the housing and condensate tray
is also to be kept frost free in order to ensure
permanent draining of the condensate. If nec-
essary, 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!
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.
REMKO series SKT
24
