DE DIETRICH DTG 230 - Manual (Page 8)

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DTG 230 09/03/2011 - 300011506-001-D
3. Description
3.2.3 K3 control panel
1. General ON (1) / OFF (0) switch
2. Burner alarm indicator + Reset button
This light comes on when the safety control box is in safety
lockout (out of order).
3. Switch AUTO/ ! /TEST-STB
AUTO: This position enables automatic operation of the
installation in accordance with DIEMATIC-m 3 regulation
controls.
! : The boiler no longer takes orders from the DIEMATIC-m 3
regulation into account. The boiler is regulated by the boiler
thermostat(s).
TEST-STB: Temporary action to test the safety thermostat
4. Safety thermostat with manual reset
Set at 110° C
5. Timed circuit breaker (4 A)
6. Pump shutdown switch
7. Boiler thermostat (30 to 90 °C)
8. Boiler thermometer
9. Switch for selecting the number of burner stages
(2-stage boilers)
10. Connector USB