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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 135
fulfilled. Only when the outside temperature drops to the outside
temperature disable level minus 2 K is the heat generator enabled
again. If several heat generators are controlled though one device
(condensing burners, 2-stage burners), all stages of the device
will be disabled.
If a fault occurs at a heat generator, all outside temperature
disables in the system are cancelled.
This setting becomes effective only if several heat generators are
operated in cascade mode.
Burner stages operating as base load are given a higher setpoint
temperature than the modulating stage, which is switched on last.
This higher value is composed of the current setpoint temperature
plus the set base load offset. If several heat generators are
switched though one control device, the setting applies to every
heat generator.
With 2-stage heat generators, the counters for operating hours
and burner starts (see Parameter settings 5.4, pg. 81) can be
reset separately for stage 1 (ST-1) and stage 2 (ST-2).
Resetting
With the reset indicator flashing (RESET), the reset-ready
indicator (SET) will flash when the input button is pressed briefly.
A reset will be performed when the input button is pressed for
approx. 5 seconds.
After the parameter values are reset, a return to the first
parameter in the "Heat Generator" menu occurs.
NOTE
Base load offset
Heat generator reset