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Control Functions SDC / DHC
116 EN2H-0221GE51 R0808
6.1.1 Connection and settings table
Inputs Function Adjustable
at output
Fixed
assign
ment
Optional
(VI 1/2)
Comment
DHW loading SLP SF --- Fixed sensor input
Direct heating circuit
controlled by weather
conditions
DKP, MK-1,
MK-2
--- ---
Mixed heating circuit
controlled by weather
conditions
MK-1, MK-2 VF1,
VF2
--- Fixed sensor input for respective
mixed heating circuit
Circulation pump SLP, DKP,
VA1, VA2
--- ---
Electric heating rod SLP, DKP,
VA1, VA2
--- ---
Constant control DKP, MK-1,
MK-2
VF1,
VF2
--- Sensor for connection to MK
Fixed-value control MK-1, MK-2 VF1,
VF2
--- Sensor for connection to MK
Boiler return control MK-1, MK-2 VF1,
VF2
---
Bypass pump (..VV..) VA1, VA2 --- ---
Charging pump DKP, VA1,
VA2
--- ---
Boiler circuit pump 1 DKP, VA1,
VA2
--- ---
Boiler circuit pump 2 DKP, VA1,
VA2
--- ---
Global malfunction
message
DKP, VA1,
VA2
--- ---
Timer DKP --- ---
Solar loading pump
(SDC 8-21, SDC 9-21,
SDC 12-31,
DHC 43-2)
DKP, VA1,
VA2
KVLF,
KSPF
KRLF
(14)
Return flow sensor option