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5.4 Extended control systems F5 – F8 (optional)
The F5 to F8 keys are assigned customer-specific ex-
tended control systems as desired. Each extended control
system is assigned a separate key.
5.4.1 Room heating system
Function (ECO-H):
Weather-controlled regulation of heating with digital timer
for lowerable operation according to a daily or weekly pro-
gramme, with pump control, frost protection function,
ECOcircuit and limited supply temperature.
Operating modes
Off:
-
The room heating system is switched off.
Day/Night:
-
Heating operation according to clocked programme.
Normal temperature during the day and reduced tem-
perature at night.
Day/Off:
-
Heating operation according to clocked programme.
Normal temperature during the day and switched off at
night.
Day:
-
Normal temperature continuously.
Night:
-
Reduced temperature continuously.
Manual:
-
Pump on; the valve is not controlled (emergency opera-
tion).
(screen number) parameter (factory setting)
(01) Operating mode (Day/Night)
Select operating mode
(02) Number of heating periods (1)
The weekly programme has to be entered in the form of
heating periods. Each weekly programme consists of the
heating day, start and end. A maximum of seven heating
periods is available.
(03) Heating Period 1/Heating days (MON to SUN)
Day or days on which the switching times apply. Select
the heating days with KEYS F1 (for Mon-day) to F7 (for
Sunday). Pressing the button once
pressing the button again
selects the day,
drops the day.
(04) Heating Period 1/Start (6:00)
Time to switch from lowered temperature (or off) to nor-
mal temperature.
(05) Heating Period 1/End (22:00)
Time to switch from normal temperature (or off) to low-
ered temperature.
(06-23) Heating Periods 2-7
These depend on the number of heating periods (see Mask
2), consisting of heating days, start and end.
(24) Temperature of flow/at +5°C (43°C)
Desired flow temperature at atmospheric temperature of
+5°C (see heating curve).
(25) Temperature of flow/at -15°C (64°C)
Desired flow temperature at atmospheric temperature of -
15°C (see heating curve).
(26) Temperature Room Day (20°C)
Setting for temperature of room during daytime operation.
(27) Temperature Room Night (15°C)
Setting for temperature of room during nighttime opera-
tion.
(28)
Night-time
lowering
by (-6°C)
This temperature set is subtracted from the flow tempera-
ture calculated for night-time lowering.
(29) Flow temperature; maximum (70°C)
The maximum limit for the flow temperature.
(30) ECOcircuit (YES)
The ECO automatic savings system makes the heating
switch on and off as required.
(31) Switch off below system temperature (NO)
Should the room heating unit group be switched off when
a minimum system temperature is fallen short of?
(32) Frost protection function (YES)
With the frost protection function switched on, the room
heating unit is turned on when there is a danger of frost.
(33) Carry off excess heat (NO)
If the PYROT is at risk of overheating, there is the
option of the excess heat being carried off. The room
unit
adjusts
to
"Flow
of
flow
temperature
temperature/Maximum".
19
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