114
CTC EcoLogic M/L
+
HP 1
HP 2
HP 3-10
8.2
System Types 2 and 3*
The configuration of System Types 2 and 3 differ in terms of the location of
the additional heat source.
System Type 2
In System Type 2, the additional heat is located before the DHW system,
while in System Type 3 it is located after the DHW system.
Heat pumps HP1 and HP2 can be connected using 3-way valves that direct
the flow either to the DHW system or the heating circuit. If more heat pumps
are installed, these should be connected to the heating circuit.
When connecting the buffer tank, the mixing valve (Y4) is used to connect
the tank to the system (not to heating circuit 4).
Solar energy can be connected either to the DHW tank or to the buffer tank
using 3-way valves. The solar energy can also be used to recharge the
bedrock/ground.
Cooling can easily be connected to the bedrock/ground source heating
circuit.
Heating circuit 4
Heating circuit 3
Heating circuit 2
Heating circuit 1
Fan convector
Solar panels
Additional heat
DHW system
Passive cooling
Heating buffer tank
DHW
tank
Brine circuit
*
CTC EcoLogic M
systems 2 and 3
do not include the
following subsystems
and associated pumps,
valves and sensors:
– Heat pumps 3 to 10
– Heating circuits 3 and
4
– Cooling
– Recharging bedrock
– Solar energy
– DHW circulation
(DHW CIRC)
– External DHW tank
– Buffer tank
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