Display channels
Channel Description Connection terminal Page
INIT x* ODB initialisation active - 12
FLL x* ODB filling time active - 12
STAB x* ODB stabilisation in progress - 12
COL x Temperature collector S1 12
TST x Temperature store S2 12
S3 x Temperature sensor 3 S3 12
TSTT x* Temperature store top S3 13
S4 x Temperature sensor 4 S4 12
TR x* Temperature return sensor S4 13
n % x Speed R1 R1 13
hP x Operating hours R1 R1 13
kWh x* Heat quantity in kWh - 13
MWh x* Heat quantity in MWh - 13
Adjustment channels
Channel Description Factory setting Page
DT O x Switch-on temperature difference 6.0 K [12.0 °Ra] 14
DT F x Switch-off temperature difference 4.0 K [8.0 °Ra] 14
DT S x Set temperature difference 10.0 K [20.0 °Ra] 14
RIS x Rise 2 K [4 °Ra] 15
nMN x Minimum speed 30 % 15
S MX x Maximum store temperature 140 °F [60 °C] 15
OSEM x Store emergency shutdown option OFF 16
EM x
Collector emergency temperature 130 °C [270 °F] 16
Collector emergency temperature if ODB is
activated:
200 °F [95 °C] 16
OCC x Collector cooling option OFF 16
CMX x* Maximum collector temperature 110 °C [230 °F] 16
OSYC x System cooling option OFF 17
DTCO x* Switch-on temperature difference cooling 20.0 K [40.0 °Ra] 17
DTCF x* Switch-off temperature difference cooling 15.0 K [30.0 °Ra] 17
OSTC x Store cooling option OFF 17
OHOL x* Holiday cooling option OFF 17
THOL x* Holiday cooling temperature 40 °C [110 °F] 17
OCN x Collector minimum limitation option OFF 18
CMN x* Collector minimum temperature 10 °C [50 °F] 18
OCF x Antifreeze option OFF 18
CFR x* Antifreeze temperature 4.0 °C [40.0 °F] 18
OHQM x Heat quantity measurement option OFF 18
FMAX x* Maximum flow rate 6.0 l 18
MEDT x* Antifreeze type 1 18
MED% x* Antifreeze concentration(only if MEDT =
propylene or ethylene glycol)
45 % 18
ODB x Drainback option OFF 19
tDTO x* ODB switch-on condition - time period 60 s 19
tFLL x* ODB filling time 5.0 min 19
tSTB x* ODB stabilisation time 2.0 min 19
MAN1 x Manual mode R1 Auto 20
ADA1 x HE pump control OFF 20
LANG x Language dE 20
UNIT x Temperature unit °C 20
RESE x Reset - back to factory settings 21
W002#### Version number
Legend:
Symbol Description
x Channel is available
x* Channel is available, if the corresponding option is activated.
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