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SATK20 & SATK30
7
User Interface
•
Reset key
This allows restoration of normal function after the
safety thermostat has been triggered and
activation/deactivation of the under floor heating
function.
•
Setting the temperatures
These allow the specified temperatures for the heating and
domestic water cycles to be set and view the relative
values on the display.
•
LED display
Shows the heating and domestic hot water set point
temperatures and the error codes.
•
Stand-by:
The following alternate every 5 seconds on the display:
Safety and alarms
Error codes associated with faults are signalled by the
illumination of the FAULT LED shown on the display.
Heating circuit pressure switch fault - Error code: 4
SATK30103 - at LOW/HIGH temperature setting
The SATK30 HIU continuously monitors the pressure in the
apartments secondary heating circuit. If the pressure falls in
this circuit, the pressure switch is activated, the circulation
pump shuts down and the and the regulating valve closes.
Heating cycle activation is indicated by a flashing fault LED on
the electronic controller. This fault does not affect the
generation of the domestic hot water.
CODE
SWITCH SETTING
SET
6
5
4
3
2
1
HEATING
DHW
SATK20103
LOW temperature
25 to 45˚C
42 to 60˚C
SATK20203
MEDIUM temperature
50 to 75˚C
42 to 60˚C
SATK20303
HIGH temperature
Max 85˚C
42 to 60˚C
SATK30103 & SATK30105
HIGH temperature setting
50 to 75˚C
42 to 60˚C
Table 1 – factory default settings
Factory set (do not change)
May be changed to activate optional functions
Switch 1: modulating temperature regulation with compensated set point
Switch 2-3: change SATK30103 & SATK30105 setting to Low Temperature
Switch 5: domestic water preheating function
OFF
ON
OFF
ON
Domestic water temperature
Heating temperature
• Heating cycle
ON
:
The set point temperature is shown while the
symbol flashes:
The set point temperature is shown while the
symbol flashes:
• Domestic water cycle
ON
:
Heating temperature set point
60
60
48
Domestic water temperature set point
48
RESET
4