ST – 480
I.
Description
ST–480
temperature controller is intended for use with central
heating boilers equipped with feeding screw. It controls water circulation
pump, domestic hot water pump, floor heating pump, circulation pump,
blower (fan) and fuel feeder. It incorporates a valve control module and
can operate with two mixing valves (via additional ST-61 modules),
conventional (two-state) room controller or RS-port communication, GSM
module or Ethernet module.
The advantage of the controller is the ease of use. The user can
change all parameters using the
pulser knob
. Another advantage is the
large and easy-to-read display where the current boiler operation
parameters are shown.
Exemplary view of the main screen:
Any remarks regarding the programme should be reported to the
boiler manufacturer. Each driver should be adjusted according to
individual needs depending on the fuel type used and the boiler type.
TECH shall not be held liable for wrong adjustment of the controller.
I.1. Basic terms
Operation
– once activated the controllers enters the
operation mode
and a
"
WORKING
"
message appears on the display. It is the basic state
of the controller where the blower is operating continuously and the
feeder operation time is set by the user (both operation time and pause
time can be set).
Sustain mode
– the mode is entered automatically if the temperature is
higher than or equal to the preset temperature. In such a case the
controller feeds the fuel slowly to reduce the temperature smoothly and a
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