3.5 Mastercontrol for two-boiler systems
The Mastercontrol optimises the entire heat generation of two biomass
boilers (PYROT dual system) incl. control of an oil, gas or electric boiler
as a redundancy and/or as a peak load boiler.
Information on the Mastercontrol
Function:
■ Heat management:
Optimum division of the required output between the two biomass
boilers with the main load on the lead boiler and the remaining load
on the lag boiler via a default output value. The default output is
calculated in accordance with QM wood heating stations in line with
the required set temperature in the common low loss header. Auto-
matic switchover of the two boilers between the lead boiler and the
lag boiler is possible. This ensures an even boiler load over a long
operating time (e.g. weekly changeover).
■ Charging:
If fuel for the two biomass boilers is taken from a common fuel store,
charging is controlled up to fuel distribution by the Mastercontrol.
■ Operating data archiving:
Relevant operating data of the past 31 days is stored in a ring buffer
and can easily be displayed in graph form on the Mastercontrol
touch-screen.
Operation:
Operation is carried out via a 10“ touch-screen integrated in the control
panel.
Standard delivery
■ Control panel, loose,
surface powder-coated in RAL 7035 (grey) texture. Version as per
ÖVE/VDE directives fully wired to terminal strips, feed 3 x 400 V 50
Hz; control voltage 230 V or 24 V
■ Freely programmable control unit, CE-tested, program and real time
clock are battery backed
■ Contactor/motor overload relay combinations for all common charg-
ing drives (3 x 400 V) according to separate price items
■ Ethernet interface (network connection) on touch panel
■ Potential-free output (fault message)
■ 10“ touch-screen
■ 4-pole main isolator
■ Documentation incl. fixed wiring diagram
■ Terminal connection diagram with cable designation in plan pocket
■ Heater management 5 sensors (QM)
■ 5 sensors PT-1000 with sensor well 1/2" x 280 mm
■ 1 weather sensor PT-1000
■ Default output value for both biomass boilers for processing in the
subordinate boiler control units via CAN BUS
Note
Remote maintenance with PC or network, water-side and electrical
installation on customer side.
Visualisation with touch-screen
■ Operating data archive
■ Display and archiving of the relevant
■ Operating data of both wood boiler systems and the Mastercontrol
■ Easy operation of the wood boiler systems at the touch-screen of the
Mastercontrol
■ Installation scheme for heat source with display fields
■ Table of parameters (with parameter setting options)
■ Fault history
Control unit
(cont.)
PYROT
25
5822 516 GB
3
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