© Caleffi 08301_iSolar Plus 24V
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4. Control parameter and indication channels
4.1 Channel-overview
Legend:
x
Corresponding channel is available.
x*
Corresponding channel is available if the appropriate option
is activated.
Corresponding channel is only available if the option heat
quantity measurement is
activated
(OHQM).
MEDT
The channel antifreeze content (MED%) is only shown
if
the antifreeze is not water or Tyfocor LS / G-LS
(MEDT 0 or 3).
Adjustments concerning the antifreeze
content will only make sense if the antifreeze is used in the
solar circuit.
Corresponding channel is only available if the option heat
quantity measurement is
deactivated
(OHQM).
Please note:
S3 and S4 are only indicated in case of sensors connected
Channnel
Arr
Specification
Page
1
2
3
4
5
6
7
8
9
COL
x
x
x
x
x
x
x
x
Temperature collector 1
15
COL 1
x
Temperature collector 1
15
TST
x
x
Temperature tank 1
15
TSTU
x
x
x
x
Temperature tank 1 below
15
TST1
x
x
x
Temperature tank 1 below
15
TSTO
x
x
x
x
x
Temperature tank 1 at the top
15
TST2
x
x
x
Temperature tank 2 below
15
TFSB
x
Temperature solid hot fuel boiler
15
TRET
x
Temperature heating circuit
15
COL2
x
Temperature collector 2
15
S3
x
Temperature sensor 3
15
TRF
Temperature return sensor
15
S4
x
x
Temperature sensor 4
15
hP
x
x
x
x
Operating hours relay 1
16
h P1
x
x
x
x
x
Operating hours relay 1
16
h P2
x
x
x
x
x
Operating hours relay 2
16
kWh
Heat quantity kWh
16
MWh
Heat quantity MWh
16
time
x
Time
15
Arr
1-9
System
12
DT O
x
x
x
x
x
x
Switch-on temperature diff
17
DT1O
x
x
x
Switch-on temperature diff 1
17
DT F
x
x
x
x
x
x
Switch-off temperature diff 1
17
DT1F
x
x
x
Switch-off temperature difference
17
S MX
x
x
x
x
x
x
Maximum temperature tank 1
17
S1 MX
x
x
x
Maximum temperature tank 1
17
DT2O
x
x
x
Switch-on temperature difference 2
17
DT2F
x
x
x
Switch-off temperature difference 2
17
S2MX
x
x
x
Maximum temperature tank 2
17
EM
x
x
x
x
x
x
x
x
emergency temperature collector 1
18
EM1
x
emergency temperature collector 1
18
