Connection Options; Heating System Connection - Alpha-InnoTec HT 6Split Installation And Operating Manual

Connection options

Connection to the heat pump
which must be installed outside the indoor module to
make future maintenance easier.
Connection when operating without a
heat pump
No change is required to the hydraulic connections
ally, without an external unit.
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Connection of hot and cold water
The installation of the mixing valve is necessary
if factory settings are changed in a way where the
temperature can exceed 60 °C. When changing the
factory settings, follow the national regulations in this
respect. The setting is entered in menu 5.1.1.
IMPORTANT
Water supply uti lity must have necessarily installed
safety valve which will protect against excessive in-
crease of pressure.
IMPORTANT
Do not use the heater if there is a blockage of the safe-
ty valve.
HT 6Split
HT 12Split
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IMPORTANT
valve is not allowed. It is only permitted mounting three-
way adapter with drain valve that allows to empty the
tank and three-way adapter with expansion vessel.

Heating system connection

When connecting to the installation where all heaters/
remove several thermostats.
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Cooling system connection
Cooling is controlled by sensor BT64 and isolation
valve QN12. If cooling is needed, the isolation valve
changes the direction, and opens from the cooling
circuit side.
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Connecting an additional heating circuit
The system can be extended with additional heating cir-
cuits only when provided an additional expansion card
can be activated in the controller.
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nect them are described in the EP Split manual.
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Chapter 4 | Pipe connections
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