Enertech CTC EcoLogic Family series, Installation And Maintenance Manual, Page: 101 / 128

101
CTC EcoLogic Pro/Family
For the installer
System 5
Buffer tank
Buffer tank
Additional heat
HP A1
HP A1
DHW tank
System 4
9.3.4 CTC EcoLogic systems 4 and 5 –
Additional heat
In EcoLogic system 4, the additional heat source (E1, E3 or E3) is connected
before the hot water system as shown in the igure. When additional heat
(E1) is connected, the mixing valve (Y2) is used to connect the add heat to
the system (not to heating circuit 2).
Sensor B10 should be connected to measure the temperature coming from
the additional heat.
In EcoLogic system 5, the additional heat (E1) is connected to the buffer
tank. The hot water tank can then be provided with additional heat (E4).
DHW tank
!
If charge pump G11
is used for the flow
heater, the control
signal must be taken
from CTC EcoLogic.