Specifications
11
We reserve the right to modify technical specifications without prior notice.
83050800aUK – Translation of the operating manual  © Alpha-InnoTec GmbH
Installing the hydraulic 
connections
 DANGER!
  Risk of fatal electric shock!
  Before opening the unit, safely disconnect 
the system from the power supply and 
prevent it from being switched back on!
 IMPORTANT
  Connect the unit to the heating circuit according 
to the hydraulic diagram for the respective 
model.
  “Hydraulic connection” instructions.
 IMPORTANT
  The heat source system must be designed 
according to the specications of the planning 
manual.
  Planning manual and “Hydraulic connection” 
documents.
 NOTE:
  Check to make sure that the cross-sections and 
lengths of the pipes for the heating circuit and 
the heat source are adequately dimensioned.
 NOTE:
  Circulation pumps must be designed as constant 
speed pumps. They must at least produce the 
minimum throughput required for your unit 
model.
 “Technical data / Scope of delivery” overview, 
“Heating circuit” and “Heat source” sections.
 IMPORTANT
  The hydraulics must be equipped with a buffer 
tank, the volume of which depends on your unit 
model.
The hydraulic connections are located at the rear of the 
unit.
  Dimensioned drawings
 IMPORTANT
  When installing the connections, always secure 
the connections on the unit against twisting, in 
order to prevent damage to the copper pipes 
inside the unit.
Proceed as follows:
  Install shut-off devices in the heating circuit…
  Install shut-off devices at the heat source…
 NOTE.
  By installing the shut-off devices, the evaporator 
and condenser of the heat pump can be ushed, 
if necessary.
 CAUTION!
  The condenser may only be ushed by 
customer service personnel authorised by 
the manufacturer
.
 Position a bleeder (vent) at the highest point of the 
heat source in the heat source outlet…
  You must make the connection to the xed piping 
via anged expansion joints (accessories available 
separately for an additional charge):
  The anged expansion joints provide vibration 
isolation.
  Always install the dirt lter included with the unit at 
the heat source inlet (return) connection…
  The heating water and heat source connections are 
marked on the unit accordingly.
  For the position of the connections, please refer 
to the dimensioned drawing for the respective 
model.










