User’s manual
28
VI.10.
Language
This option is used to select the language version of the controller.
VI.11.
Room regulator
This function enables the user to define the purpose of using the readings from the room regulator:
•
CH pump control
– the room regulator disables the CH pump when the pre-set temperature is
reached. In this submenu the user specifies which room regulator will control the CH pump: TECH
controller (room regulator with RS communication, connected to RS socket of ST-550zPID
controller) or standard regulator (a two-state room regulator).
•
CH boiler control
–when the pre-set room temperature has been reached, the pre-set CH boiler
temperature is lowered by the value defined as
Room reg. temp. lower
parameter (the
temperature does not drop below the minimum pre-set CH temperature). In this submenu the
user specifies which room regulator will control the CH pump: TECH controller (room regulator
with RS communication, connected to RS socket of ST-550zPID controller) or standard regulator
(a two-state room regulator).
EXAMPLE: Pre-set CH boiler temperature: 55ºC
Room reg. temp. lower: 15ºC
Minimum pre-set CH boiler temperature: 45ºC (factory setting)
Once the pre-set room temperature is reached (signalised by the room regulator), the pre-set CH boiler
temperature drops to 45ºC, which is 10ºC less although
room reg. temp. lower
parameter is 15ºC. The
main screen displays„!-10º”next to the pre-set CH boiler temperature.
TECH regulator
This function is used to establish communication with the room regulator with RS communication
(connected to RS socket in ST-550zPID controller). If this type of regulator is selected in
CH pump
control
or
CH boiler control
submenu, the communication is activated automatically.
VI.12.
External temperature correction
External sensor correction should be performed during installation or after a longer period of using the
regulator when the temperature measured by the sensor is different from actual temperature. Range of
regulation is -10 to +10 ºC with the accuracy of 1ºC.
VI.13.
GSM module
NOTE
This type of control is available only after purchasing and connecting an additional controlling
module ST-65 which is not included in the standard controller set.
GSM Module is an optional device which, cooperating with the controller, enables the user remote
control of the CH boiler operation via mobile phone. The user is sent an SMS each time an alarm occurs.
Moreover, after sending a certain text message, the user receives feedback on the current temperature
of all the sensors. Remote change of the pre-set temperatures is also possible after the authorisation
code is entered.
GSM Module may operate independently of the CH boiler controller. It has two additional inputs with
temperature sensors, one contact input to be used in any configuration (detecting closing/opening of
contacts) and one controlled output (e.g. a possibility of connecting an additional contractor to control
any electric circuit).
When any of the temperature sensors reaches the preset maximum or minimum temperature, the module
automatically sends an SMS message with such information.
A similar procedure is used in the case of opening or closing of the contact input, which may be used as
a simple means of property protection.
If the GSM Module is to be used with the ST-550zPID controller, it should be activated by selecting ON
option (MENU>Fitter's menu>GSM Module>ON).
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