Fine Tune Mode (Continued)
Symbol Description Used In Default Range
Set Pump Override Time - (CSC 5352
Only) This setting should be used with
direct boiler compensation or
non-storage Calorifier applications to
dissipate heat after demand.
Fine Tune
Mode
15 0 to 59
Minutes
Set Low Outside Temperature Frost
Logic - (CSC 5352 Only) Sets the
action of the plant in relation to low
outside air temperature. UK logic will
start the pump until the Hysteresis (+2°C)
has been cleared. European logic will
start the pump and control the
valve/boiler to the NSB setting until the
Hysteresis (+2°C) outside has been
cleared.
Fine Tune
Mode
10 = UK
1 =
European
Low Space Temperature Setting (CSC
5352 only if space sensor fitted) Sets
the temperature at which point the
heating will come on in boost until the
hysteresis (+2°C) has been cleared. (If
an adjustable room sensor is used then
this setting must be set to –10°C to
remove frost protection. Failure to do so
may result in control problems).
*or
If the INF setting = 3 then this settings
sets the max. Return Temperature Ratio.
A divisor of 100 is used for the max.
Return Ratio Setting, e.g. 83 = 0.83.
Fine Tune
Mode
10 *or
83
–10 to
127°C
Sv
d
Set Day Room Temperature Origin
(Only used when a space temperature
sensor is fitted) The space temperature
will influence the compensated flow
temperature for each °C error from this
figure. Subject to the fine tune setting
(INF)
or
If the ING setting = 3 then this setting is
the primary base return water origin
relative to an outside air temperature of
10°C.
Fine Tune
Mode
19 *or
45
0 to
255°C
Valve or Boiler Control
Selects the controller type.
Fine Tune
Mode
00 = Valve
1 = Boiler
CSC USER GUIDE October, 03
29 of 42
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