Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 63

ROOM UNIT: CONTROL OF SOLAR SySTEM AND ANy ADDITIO-
NAL SySTEMS INSTALLED AS ACCESSORIES
Control lock (parameter. 26)
If the control lock is activated, you cannot change hea-
ting operating mode, DHW mode, or the room tempera-
ture setpoint (using the knob), or use the presence key
(on the room unit).
Program lock (parameter. 27)
If the program lock is activated, parameter values can
only be displayed and not changed.
Temporary reset: The program lock can be de-activated
temporarily in programming mode. To do so, press and
hold the "OK" and "ESC" keys for 3 seconds. The pro-
gram lock is only deactivated until you exit program-
ming mode
Permanent reset: Perform a temporary reset then set
parameter 27 to OFF .
SOLAR COLLECTORS:
N°
3810
3811
3812
3812
Before the solar storage heater can be charged, there must be a minimum temperature differential between the solar
collectors and the storage cylinder, and the minimum charge temperature must be reached.
T
TSp
On
OFF
Description
Temperature differential ON
Temperature differential OFF
Minimum storage cylinder filling temperature
Minimum buffer tank filling temperature
63
Used as (parameter . 40)
This parameter can only be set on the room unit.
Room unit 1: The room unit serves the circuits defined in
parameter 42 (Assignment room unit 1), activated in the
main operator unit. Parameters 42 to 48 remain active.
Room unit 2: The room unit only serves circuit 2. Para-
meters 42 to 48 are deactivated.
Operator unit/Service unit: The room unit serves the he-
ating circuits activated in the main operator unit. Pa-
rameter 42 is deactivated. Parameters 42 to 48 remain
active.
9
When used as operator/service unit the room unit
does not acquire or transmit room temperature.
Tkol
SdEin
SdAus
Tkol
ON/OFF Solar circuit pump
SdEin
SdAus
TSp
t
THECNICAL ASSISTANCE SERVICE
Default setting
8
40
20
30
Solar collector
temperature
Temperature
differential ON
Temperature
differential OFF
Storage cylinder
temperature