Utility Water Heater - KOB PYROMAT DYN Operating And Maintenance Instructions Manual

5.4.2 Utility water heater

Function:
• ECO-B1
When the temperature of the utility water drops,
it is reheated by the built-in heat exchanger
from the burner or from the heat accumulator.
The condition for this is a relevant difference in
temperature (choice of preset temperature dif-
ference or fixed preset temperature).
The heating periods (daily and weekly pro-
grammes) can be set using the integrated
timer.
• ECO-B2
When the temperature of the utility water drops,
it is reheated by the built-in heat exchanger
from the burner or from the heat accumulator.
The condition for this is a relevant difference in
temperature (choice of preset temperature dif-
ference or fixed preset temperature).
The flow rate of the heating water is controlled
by the return temperature (quantity control).
This produces optimum storage stratification
with long-lasting high temperature on the stor-
age unit flow pipe.
The heating periods (daily and weekly pro-
grammes) can be set using the integrated
timer.
Operating modes:
• Off:
The utility water heating system is switched off.
• Timer:
Utility water heating
programme. (The boiler is only warmed up
during the heating period.)
• On:
The boiler is heated up on request for heat and
when there is sufficient system temperature.
• Manual:
Pump on; valve is not controlled (emergency
operation)
following clocked
17
(Mask number) Parameter (Factory setting)
(01) Operating mode (timer)
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 maxi-
mum of seven heating periods is
(03) Heating Period 1 / Heating days (MON to
SUN)
Day or days on which the switching times apply.
Select the heating days with Buttons F1 (for Mon-
day) to F7 (for Sunday). Press the button once
selects the day, pressing the button again
the day.
(Only with TIMER operating mode)
(04) Heating Period 1 / Start (6:00)
Start, clearance, utility water heating
(Only with TIMER operating mode)
(05) Heating Period 1 / End (22:00)
End, clearance, utility water heating
(Only with TIMER operating mode)
(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 utility water (60°C)
Set the desired temperature of the utility water.
Additional parameters for ECO-B2
(Mask number) Parameter (Factory setting)
(25) Temperature of return flow __°C higher
than the temperature of the utility water
Desired set-point temperature of return flow:
actual boiler temperature plus the amount set here.
available.
drops