View-Only Parameters; Drainback Periods Display; Collector Temperature Display; Storage Cylinder Temperature Display - Riello SUN 1 PLUS 2 RS Installation Instructions Manual

18 VIEW-ONLY PARAMETERS

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View-only parameters depend on the active system layout.
The controller only displays values for the active system lay-
out.

18.1 Drainback periods display

Initialisation
INIT: ODB initialisation activated
This parameter displays the countdown of the time set in tDTO.
Filling time
FLL: Filling time ODB activated
This parameter displays the countdown of the time set in tFLL.
Stabilisation
STAB: ODB stabilisation activated
This parameter displays the countdown of the time set in tSTB.

18.2 Collector temperature display

COL: Collector temperature
Display range: -40 ... +260 °C
Shows the current temperature of the collector.

18.3 Storage cylinder temperature display

TS, TSTB, TSTT, TDIS: Storage cylinder temperature
Display range: -40 ... +260 °C
Shows the temperature measured in the storage cylinder.
TS storage cylinder bottom temperature
TSTB storage cylinder bottom temperature
TSTT storage cylinder top temperature
TDIS thermal disinfection temperature

18.4 Sensor S3-S4-VFD temperature display

S3, S4: Sensor temperature
Display range: -40 ... +260 °C
VFD: 0 ... 100 °C
Shows supplementary sensor temperature, view only.
S3 Sensor 3 temperature
S4 Sensor 4 temperature
VFD Grundfos direct sensor
Note! S3 and S4 are only displayed provided the temperature
sensors are actually connected. The VFD sensor is only displayed
if a Grundfos Direct Sensor has already been connected up and
activated.
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