DE DIETRICH GTU C 330 - Manual (Page 9)

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24/11/08 - 300017846-001-B GTU C 330
3. Description
3.5 Description of the K3 control panel
1. General ON (1) / OFF (0) switch
2. Burner alarm indicator
This indicator lights up when the burner is on safety (faulty).
3. Switch AUTO/ ! /TEST-STB
Position AUTO: This position enables automatic operation of the
installation in accordance with DIEMATIC-m 3 regulation
controls.
Position
! : The boiler no longer takes orders from the
DIEMATIC-m 3 regulation into account. The boiler is regulated
by the boiler thermostat(s).
Position TEST-STB: Temporary action to test the safety
thermostat
4. Safety thermostat with manual reset
Set at 110° C
5. Timed circuit breaker (10 A) with delayed action and manual
reset
6. Pump shutdown switch
7. Boiler thermostat (30 to 90 °C)
A factory-set stop limits the maximum temperature to 75 °C. The
stop may be moved if necessary.
Z
See "Moving the thermostat stop".
8. Boiler thermometer. Boiler temperature display.
9. Switch for selecting the number of burner stages
10. Connector for the programming tool