Honeywell SDC Service Manual page 207
Smile sdc heating and
district heating controller
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Also See for SDC:
- Operating instructions manual (64 pages) ,
- Operating instructions manual (48 pages)
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SDC / DHC
Buffer demand from
Heat generator
demand from
Buffer control mode
Buffer start-up
protection acts on
Buffer discharge
protection
Buffer frost protection
monitoring
Buffer minimum
temperature monitoring
Buffer maximum
temperature monitoring
Buffer forced
dissipation into:
Buffer siphon
function
Loading temperature
offset acts from:
Heat generator start-up
protection on buffer
loading pump
Buffer loading pump
with no demand
Buffer loading pump for
manual operation
Buffer loading pump
function for sensor
defect
Buffer loading pump
function for heat
generator disable
EN2H-0221GE51 R0812
See the table below for detailed correlations:
Buffer control mode
1
2
HC/HW
HC
BUFFER
BUFFER/
HW
Load
Load
HC/HW
HC
X
X
X
X
X
X
X
X
HC/HW
HC
X
X*
HC/HW
HC
X
X
OFF
OFF
ON
ON
ON
ON
–
–
3
4
HC/HW
HC
BUFFER
BUFFER/
HW
Dis-
Dis-
charge 1
charge 1
HC/HW
HC
–
–
–
–
–
–
X
X
HC/HW
HC
–
–
–
–
–
–
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
Hydraulic Components
5
6
HC
–
BUFFER/
HC/HW
HW
Load
Dis-
charge 2
HC
–
X
–
X
–
X
–
X
X
HC
HC/HW
X*
–
HC
–
X
–
OFF
OFF
ON
OFF
ON
OFF
–
–
207
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