Plum ZAB-14, Service And Assembly Manual

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Fuel type selection
The regulator is also equipped with a
function of selecting fuel type, i.e. its calorific
value expressed in kW. Fuel type is suited to
a particular type of boiler which the regulator
is connected to.
Boiler settings >Fuel selection > RECO
36kW
8.23 Cooperation with secondary
feeder
The regulator can cooperate with a fuel batch
sensor, which is an element of the boiler
equipment.
On the basis of secondary feeder operation
schedule, specified in the menu:
Extra feeder schedule
and signals from fuel level sensor, the
regulator controls fuel replenishment in the
boiler bunker.
At the moment of activation specified by the
scheduled interval, the secondary feeder
starts operation in accordance with
algorithms. During operation of secondary
feeder, signal from bunker batch sensor is
used.
8.24 Cleaning the furnace
The regulator enables to remove ashes
developed during the combustion process
from the furnace. It utilizes the fan for this
purpose. Parameters responsible for cleaning
the furnace are included in the menu:
Service settings > Boiler settings >
Furnace cleaning
Furnace is cleaned in FIRING-UP and
EXTINGUISHING mode. In case when the
boiler operates in WORK or SUPERVISION
mode for a long time, it is possible to clean
the boiler automatically using the parameter:
Boiler settings > Furnace cleaning
8.25 Mobile grid automatics control
The regulator controls automatics of the
mobile grid which enables to enhance
conditions of combusting lower quality fuel
and removing ashes from the furnace. The
furnace is cleaned by a mobile grid in WORK
mode. In case when the boiler operates in
WORK or SUPERVISION mode for a long
time, it is possible to clean the boiler
automatically with the use of the parameter:
Service settings > Boiler settings >
Furnace cleaning
Pt. 16 includes service parameters
concerning the mobile grid.
8.26 Lambda probe calibration
If the regulator is used by a lambda probe
module, it can be necessary to periodically
calibrate indications of the lambda probe. In
order to perform probe calibration it is
necessary to extinguish the boiler. Proper
calibration depends on a fully extinguished
furnace in the boiler. Calibration can be
started with the use of the parameter:
Boiler settings > Lambda probe calibr.
Calibration process lasts for approx. 8 minutes.
8.27 Information
The information menu allows to view
measured temperatures and to check which
devices are currently active. You can switch
between screens turning the TOUCH and
PLAY knob
After connecting a mixer extension
module, windows with information
about secondary mixers are
activated.
Sign “ CAL ” in the information
window at valve opening value
indicates that its calibration is
active. Please wait until valve servo
calibration is completed to see its
current status.
8.28 Manual control
The regulator enables manual activation of
executive devices, such as pumps, feeder
motor or blower. This allows to check
whether the given devices are operational
and properly connected. The manual control
menu can only be entered in the STOP mode,
i.e. when the boiler is deactivated.