Tech Controllers ST-976 - Operation Modes



19
MODE2– theuser setsthe temperature deviationsfor all workingdays (Monday‐Friday)andforthe
weekend(Saturday‐Sunday)separately.
Configuringmode2:
 Select:Setmode2.
 Selectthepartoftheweektobeedited.
 FollowthesameprocedureasinthecaseofMode1.
Example:



Hour
Temperature‐weeklycontrol
setting(+/‐)
Monday‐ Friday
PRE‐SET
4
00
‐7
00
+5°C
7
00
‐14
00
‐10°C
17
00
‐22
00
+7°C
Saturday‐ Sunday
PRE‐SET
6
00
‐9
00
+5°C
17
00
‐22
00
+7°C

 If the pre‐set CH boiler temperature is 50°C, from Monday to Fridaybetween4
00

and7
00
theCHboilerwillincreaseby5°Ctoreach55°C;between7
00
and14
00
itwilldropby10°C,toreach40°C,and
between17
00
and22
00
itwillincreasetoreach57°C.
 Ththeweekend,between6
00
and9
00
thetemperaturewillincreaseby5°Ctoreach55°C,andbetween17
00
and
22
00
itwillincreasetoreach57°C.
DHWoperationschedule
ThisfunctionenablestheusertoconfiguretheperiodsofDHWtankactivityonparticulardaysoftheweek,
withtheaccuracyof30minutes.
 4.3.6.1CHboilerschedule,page:17
4.3.7 Operationmodes
MAINMENU


OPERATION
MODES



Househeating

Watertankpriority

Parallelpumps

Summermode
Inthisfunctiontheuseractivatesoneoftheoperationmode,sdependingoncurrentneeds.
Househeating
Whenthisfunctionisselected,onlythehouseisheated.CHpumpisactivatedwhenthetemperatureisabove
thepumpactivationthreshold.Belowthistemperaturevalue(minushysteresis)thepumpisdisabled.