Modulation Of Start Power - Honeywell SDC Service Manual

SDC / DHC
7.1.14
EN2H-0221GE51 R0812

Modulation of start power

The start power parameter determines a percentage setting for
part of the modulation runtime during the start-up phase. With a
setting of 0% the actuator valve remains always closed. As soon
as the set start time has expired, the modulation switches to its
normal control characteristics defined by the modulation
parameters.
a Modulation
b Upward/downward modulation
depending on the control deviation
c Adjustment operation
d Start-up phase
Hydraulic Components
e Base load
f On
g Start
x Starting load (%)
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