Functions And Options; Menu: Solar - Ferroli ECOTRONIC Plus Manual

ECOTRONIC Plus

4. Functions and options

4.1 Menu: Solar

System:
Solar/Options/System
adjustment range: 1 ... 7
factory setting: 1
Hydraulic variants:
Solar/Options/loading
adjustment range: 1 ... 4
factory setting: 1
Bypass:
Solar/Options/Bypass
selection: "Yes", "No"
factory setting: "No"
Variant valve or bypass
Solar/expert/Bypass
selection: "Valve", "Pump"
factory setting: "Valve"
Select the appropriate basic system (see 3.2).
Note:
Select the basic system first, because the subsequent selec-
tion of a new system will reset all other adjustments to the
factory settings!
Many hydraulic variants distinguish between pump and valve
control e.g. for multiple stores. IThe adjustment has to be
carried out in accordance with the overview of the basic
systems with their hydraulic variants (see 3.2). Broadly
speaking, variants with pumps allow speed control, variants
with valves do not and will automatically set the minimum
speed to 100%.
In order to prevent energy from being extracted from the
store when starting store loading, this function makes sure
that the cold fluid in the pipes is diverted past the store via
a bypass (valve or pump). Once the pipe is warm enough,
the store can be loaded.
The bypass relay is energised if the temperature at the refe-
rence sensor is by 2,5 K higher than the store temperature
and if the switch-on condition for store loading (see store
loading) is fulfilled. The relay is switched-off if this tempe-
rature difference is lower than 1,5 K. These temperature
differences cannot be adjusted.
Variant valve:
A bypass valve is placed into the solar circuit.
The solar heat exchanger is first bypassed when store loa-
ding is possible. If the above-mentioned switch-on condition
is fulfilled, the bypass relay switches the collector circuit via
the heat exchanger.
Variant pump: In this version, a bypass pump is placed in front of the col-
lector pump.
The bypass pump is first activated when store loading is
possible. If the above-mentioned switch-on condition is
fulfilled, the bypass pump is switched-off and the collector
circuit pump is activated.
This variant is available in 1-collector systems only.
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