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We reserve the right to modify technical specifications without prior notice.
83054200fUK
© ait-deutschland GmbH
Install shut-off devices for the hot water outflow
(forward flow) and hot water inflow (return flow)
on the heat pump side…
NOTICE
During installation of the shut-off devices, the
liquefier of the heat pump can be rinsed, if nec-
essary.
CAUTION
The condenser may be rinsed only by cus-
tomer service personnel authorized by
the manufacturer.
Connect the unit to the pipes of the heating cir-
cuit via vibration decouplers. They must be installed
in order to prevent damage from vibrations to the
pipes.
NOTICE
Vibration decouplers are available as accesso-
ries.
LW 71… / LW 81…:
1 Hot water inflow (return flow) connection
2 Hot water outflow (forward flow) connection
3 Condensate water hose
INSTALLATION / CONNECTION TO HEATING CIRCUIT
ATTENTION
Connect the unit to the heating circuit accord-
ing to the hydraulic diagram for the respective
model.
“Hydraulic connection” instructions.
NOTICE
Check to make sure that the diameters and
lengths of the pipes for the heating circuit (in-
cluding the ground lead between the heat pump
and the building!) are sufficiently dimensioned.
NOTICE
Circulating pumps must be multi-stage. They
must be able to deliver at least the minimum hot
water flow rate required for your model.
Overview “Technical data/scope of delivery”,
“Heating circuit” section.
ATTENTION
The hydraulic system must be equipped with a
buffer tank, the required volume of which de-
pends on the model of your unit.
ATTENTION
When installing the connections, always secure
the connections on the unit from twisting, in or-
der to prevent damage to the copper pipes in
the interior of the unit.
Rinse heating circuit thoroughly prior to connecting
the unit to the heating circuit…
NOTICE
Contamination and deposits in the heating cir-
cuit can cause malfunctions.
Summary of Contents for LW A Series
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