Plum ecoMAX920P1-S TOUCH, Installation And Operating Manual, Page: 13 / 48

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temperature drops below the value of the
parameter:
Service settings
→
CH and HUW settings
→
CH pump activation temperature and
then for a period of 10 minutes there has
been no growth.
Cleaning from residual of spent fuel is carried
out by operation modes of moving grate, in
accordance with the set parameters in the
menu:
Service settings
→
Burner settings
→
Cleaning
8.12 HUW settings
The controller regulates temperature of the
HUW
container, providing that the
temperature sensor is connected. When the
HUW temperature sensor is disconnected –
the information about it is displayed in the
main window.
By setting: HUW settings
→
HUW pump
mode user is able to:
 deactivate feeding the HUW container,
parameter Off,
 setting HUW priority, by parameter
Priority – then CH pump is deactivated to
feed the HUW container quicker,
 set simultaneous operation of CH and
HUW pump with the parameter No
priority.
8.13 HUW preset temperature setting
Preset temperature HUW is defined by
parameter:
HUW
settings
→
HUW preset
temperature
8.14 Hysteresis of HUW container
Below temperature HUW preset temp. minus
HUW hysteresis the HUW pump will activate
to feed the HUW container.
By small hysteresis value HUW
pump will activate faster after HUW
temperature decrease.
8.15 Activation of the SUMMER
function
To activate SUMMER function which allows
feeding the silo during summer, without
necessity to activate CH installation and
mixers periods, it is required to set the
menu: Summer/Winter
→
SUMMER mode
for Summer.
Attention: when boiler operates
without heating buffer and the
controller
is switched into
SUMMER mode, than Standard
mode
operation is
recommended.
It is not allowed to activate
function summer when HW pump
is disconnected or damaged.
Function SUMMER can be activated
automatically, on the basis of readings from
weather sensor. Use following parameters to
activate this function:
Summer/Winter
→
SUMMER mode
→
Auto
If the automatic detection of summer mode
is switched on, you can set the parameters:
SUMMER mode act. temperature, so outdoor
temp. above which the summer mode will be
switched on and SUMMER mode deact.
temperature, so outdoor temp. below which
the SUMMER mode will be switched off).
8.16 HUW container disinfection
The controller can automatically, periodically
make HUW container warm up to 70ºC. It is
done to remove bacterial flora. Function is
activated in the menu:
HUW settings
→
HUW disinfection
It is absolutely important to inform
all the inmates about activating the
disinfection function. There is a
danger of scalding with hot water.
Once a week at night, in Monday at 2 a.m.
the controller increases temperature of HUW
container. After 10 minutes of keeping the
silo at 70ºC the HUW pump is deactivated
and the silo returns to its normal operation.
It is not advisable to activate disinfection
function while the service of HUW is
deactivated.
8.17 Mixer circuit settings
Settings of first mixer circle are in the menu:
Mixer 1 settings
Settings for other mixers, after connecting
additional module B and C are in the
following positions of the menu and are
identical for each circuit.