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SDC / DHC Control Functions
EN2H-0221GE51 R0808 117
Inputs Function Adjustable
at output
Fixed
assign
ment
Optional
(VI 1/2)
Comment
Buffer loading pump
(SDC 8-21, SDC 9-21,
SDC 12-31,
DHC 43-2)
VA1, VA2 PF PF1 (19) Fixed assignment to VI if PLP is
set to PF. Otherwise, PF1 can
be adjusted at free VI (activation
of buffer management)
Solid-fuel loading
pump
VA1, VA2 FKF FPF (18) SFS in fixed assignment to
corresponding VI; standard
buffer sensor is KSPF; separate
solid-fuel buffer tank sensor SFB
can be configured (optional)
Stratified tank loading
pump (DHC 43-2)
VA1, VA2 SSLP ---
Solar loading valve VA1, VA2 SLVF ---- SLVS in DHW storage; KSPF in
buffer
Solar forced
dissipation valve
VA1, VA2
6.2 Switching time program enabling
The modular Smile SDC/DHC 43 series of controllers features
three switching time programs for each heating circuit that can be
set separately.
When supplied, only one switching time program is enabled. The
use of only a single switching time program for a wide range of
applications makes it possible to simplify operation.
5.2.3.2 Time program, Pg. 73
See also