Description; Installation - Tech Controllers ST-19 User Manual

D
ESCRIPTION
ST-19 antistop is intended for controlling the central heating pump (CH). The pre-set temperature is defined
sing a potentiometer. The main task of the controller is to activate the pump when the pre-set temperature
value is reached and deactivate it when the CH boiler temperature drops by 2
characteristics prevent unnecessary pump operation, which saves electricity, extends the life of the pump and
enhances its reliability. ST-19 controller also has an additional feature – ANTI-STOP, which prevents CH pump
stagnation outside the heating season ( the pump is activated every 10 days for 1 minute).
Controller functions:
•
controlling CH pump
•
anti-stop
Controller equipment:
•
CH temperature sensor
•
potentiometer for setting the desired temperature
I
NSTALLATION
The controller should be installed by a qualified person.
WARNING
Risk of fatal electric shock from touching live connections. Before working on the controller switch
off the power supply and prevent it from being accidentally switched on.
4
CH temperature
CH pump
sensor
1
0
C below the pre-set value. Such
Power supply
2 3