Protherm Leopard 24 BOV User And Installation Instructions Manual - Boiler Regulation
9
Setting SUMMER mode (only DHW)
• Start the boiler;
• Select “
– –
” for CH temperature as de-
scribed under Control and Signalling (CH
temperature setting);
• Activate the basic state by MODE button.
Operation without a room thermo-
stat
Boiler keeps CH temperature on setting
value. The room thermostat is not con-
nected; its contacts must be interconnected
(by utilizing a jumper).
• Set the desired temperature value as de-
scribed under Control and Signalling (CH
temperature setting);
Operation with a room thermostat
Boiler keeps CH temperature on setting
value, with breaks in operation dependent
upon the temperature in the room in which
the thermostat is installed. The radiator in
that room must not be equipped with a
thermostatic valve head. The settings are
the same as the operation without the room
thermostat, but the jumper is removed and
the room thermostat is connected to the
contacts.
Running the Boiler with Equithermal
Control
The boiler changes heating water (HeW)
temperature according to the changing
outdoor temperature.
Important:
The boiler must have an out-
door temperature sensor connected! The
outdoor temperature sensor is installed
on the coldest wall of the building (nor-
th of north-west), about 2.5 – 3 m above
ground. The sensor must not be exposed
to any external sources of heat such as
open windows or ventilation shafts or sun-
shine.
When selecting a heating curve, a rule
applies that curves of a lower number are
suitable for buildings with good thermal
insulation and steeper thermal gradient,
and vice versa.
The heating curve diagram provided is
used as a primary guideline. More accu-
rate setting is achieved by monitoring both
outdoor and indoor temperatures for se-
veral days.
In the first setting select the E5 curve.
When doing the setting, all radiator valves
must be completely opened, thermostatic
valves must be set to maximum tempe-
rature and doors and windows must be
closed.
Change the curve gradient or reference
temperature in small steps, and after each
new setting wait about 2 hours and then
assess the change. When trying to find
the right setting, it is better to do so when
the outdoor temperature fluctuations are
greater, and the final setting should be
done when the outdoor temperature is be-
low the freezing point.
The boiler is set in the following procedu-
re: 1. Select the “HeW temperature” mode
and make sure that the function “SUM-
MER” is not activated. (symbol --). Set the
temperature to a concrete value (it will
have no effect on the equithermal mode).
2. Select “Equithermal mode – curve gra-
dient” and set it to symbol E5 – see page
7.
3. Select “Equithermal mode –reference
temperature shift “ and set it to (P5). 4. Put
the boiler into the ready state. After seve-
ral days of operation (when the premises
have been heated up), change the curve
gradient as necessary.
5. If the indoor temperature does not no-
ticeably change with a changing outdoor
temperature, the selected curve is the co-
rrect one. The temperature can be set to
Boiler Regulation
Setting WINTER mode (CH + DHW)
• Start the boiler;
• Select the CH temperature instead of “
– –
”
as described under Control and Signalling
(CH temperature setting);
• Activate the basic state by MODE button