ST-431 – user manual
In this mode, specific hours and the requested deviations from the
preset temperature should be marked (by how many degrees the
temperature is supposed to raise or drop in a given hour) for each day of
the week. Additionally, to facilitate the service, there is a possibility to
copy the settings.
Example
Monday
set: 3
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
set: 4
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
set: 5
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
In this case, if the set valve temperature is 60
0
C, on Monday from 3
00
to
6
00
, the preset valve temperature shall drop by 10
0
C, so it will be 50
0
C.
Instead of setting the temperatures for different days, the temperatures in
the second mode
may be set collectively for working days (Monday to Friday)
and weekend (Saturday and Sunday) –
Set mode 2
.
Monday – Friday;
Saturday – Sunday
In this mode, like in the previous one, specific hours and requested
deviations from the temperature preset for business days (Monday-
Friday) and on weekend (Saturday, Sunday) should be indicated.
Example
Monday-Friday
set: 3
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
set: 4
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
set: 5
00
AM, TEMP -10
0
C (temperature change – 10
0
C)
Saturday-Sunday
set: 4
00
PM, temperature 5
0
C (temperature 5
0
C)
set: 5
00
PM, temperature 5
0
C (temperature 5
0
C)
set: 6
00
PM, temperature 5
0
C (temperature 5
0
C)
In this case, if the temperature preset in the boiler is 60
0
C, than from
3
00
a.m. to 6
00
a.m. every day, from Monday to Friday, the preset
temperature of the valve will drop by 10
0
C, namely it will be 50
0
C.
In turn, during weekend (Saturday, Sunday) from 4
00
p.m.to 7
.00
p.m,
the preset temperature of the valve will increase by 5
0
C namely it will
be 65
0
C.
Step three (Mode):
A user activates one of the two previously set modes (
Mode1, Mode2
),
or deactivates the weekly control option completely.
After activating one of the modes, on the controller homepage, in the place
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18
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Summary of Contents for ST-431
Page 1: ...tech 1...
Page 4: ...ST 431 user manual 4...
Page 21: ...tech Schematic diagram 21...
Page 23: ...tech 23...
Page 24: ...tech 24...