Alpha-InnoTec LW - Page 14

14
We reserve the right to modify technical specifications without prior notice.
83051400aUK © Alpha-InnoTec GmbH
NOTICE
Check to make sure that the diameters and
lengths of the pipes for the heating circuit (in-
cluding the earth lead between the heat pump
and the building!) are sufciently dimensioned.
NOTICE
Circulating pumps must be multi-stage, regulated
pumps. They must be able to deliver at least the
minimum hot water ow 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.
Overview “Technical data / scope of delivery”,
“heating circuit, buffer tank” section.
ATTENTION
When installing the connections, always secure
the connections on the unit against twisting, in
order to prevent damage to the copper pipes in
the interior of the unit.
Proceed as follows:
Flush heating circuit thoroughly prior to connecting
the unit to the heating circuit...
NOTICE
Contamination and deposits in the heating cir-
cuit can cause malfunctions.
Install shut-off devices for the hot water outow
(forward ow) and hot water inow (return ow)
on the heat pump side.
NOTICE
During installation of the shut-off devices, the
evaporator and condenser of the heat pump can
be ushed, if necessary.
WARNING!
The condenser may be ushed only by
customer service personnel authorised by
the manufacturer .
Connect the unit to the pipes of the heating circuit
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90a/rX…:
1 Hot water inow (return ow) connection
2 Hot water outow (forward ow) connection
3 Condensate water hose
 lw140a/rX:
1 Hot water inow (return ow) connection
2 Hot water outow (forward ow) connection
3 Condensate water hose