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3.2.6 System 6.
System with 1 collector array, 1 solar tank, 2 pumps, 1
external heat exchanger. With this system you can add
an extra function with 1 sensor T3 (NTC) (Thermostat,
Cooling and Antistagnation).
T1
P1
The loading of the tank1 is authorized if the temperatu-
re difference "dt" between collector (T1) and the tank1
(T2) is sufficient.
You can choose a time delay for the start up of the pump
between the heat exchanger and the tank1. Default value
is 1 minute to give the heat exchanger time to heat up.
See parameter "P2dy" delay on P2.
3.2.7 System 7.
System with 1 collector array, 1 solar tank, 1 pump. With
this system you can not add an extra function.
T1
P1
The loading of the tank1 is authorized if the temperature
difference "dt" between collector (T1) and the tank1
(T2) is sufficient.
T2
P2
T3
P3
T2
This system allows warming the hot water, value set by
the probe T3, by the solar tank 1 or by an additional
boiler. The P3 contact is used to do this function.
You will have the possibility to adjust different levels for
loading priority.
See the parameters "DHW" for domestic hot water hot
water temperature, "SIP" the solar integration priority
and "BIP" the boiler integration priority to correctly set
the P3 contact working.
3.2.8 Extra Function.
According to the system chosen the choice and the
schematic representation of the Extra function will be
not the same for all systems.
3.2.9 Extra 1: Thermostat function.
This function is generally used to associate with your
system, an additional heat to warm up your primary
solar tank in case of the solar energy is lacking. (See the
part Extra Function).
Suggestions:
Control for gas boiler or for other heating elements such
as electrical resistor inside the solar tank.
N.B.: In this case you must connect a relay for switching
the output.
- Extra 1" used with "System 1";
T1
P1
29
T3
P3
T2
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