3.6 Accessories for Mastercontrol
Heat meter signal
Part no. 7387 975
Note
Only for Mastercontrol.
With this analogue input (0-10 V signal), the external heat meter can
be read into the Mastercontrol. The current values can be displayed
on the screen. The heat meter data is archived in the visualisation.
Requirement, additional heat source KP0
Part no. 7387 923
Function:
The additional heat source supplies, individually or jointly with the
boiler, heat to the buffer cylinder. This is designed as a low loss header.
Taking into consideration the inertia of the boiler, the boilers are con-
trolled so that the additional heat source covers the peak load and the
wood boiler covers the base load. In the operating phase of the addi-
tional heat source, the boiler pump is operating and the motorised
shut-off device is open.
Standard delivery:
■ Sub-menu on touch-screen
■ Contactor and motor overload relay, boiler circuit pump, additional
heat source
■ Control of motor, shut-off device
■ Floating contact for the control of the burner
■ Sensor PT-1000 incl. sensor well ½” x 280 mm loose (installation in
low loss header-system sensor)
Note
The electrical output data of the on-site boiler pump (kW, ampere, volt)
must be given.
Requirement, additional heat source KP1
Part no. 7387 908
Function:
The additional heat source supplies, individually or jointly with the
boiler, heat to the buffer cylinder. This is designed as a low loss header.
Taking into consideration the inertia of the boiler, control is carried out
so that the additional heat source covers the peak load and the boiler
covers the base load. In the operating phase of the additional heat
source, the boiler pump is operating and the control unit of the boiler
mixer is enabled.
Standard delivery:
■ Sub-menu on touch-screen
■ Contactor and motor overload relay, boiler circuit pump, additional
heat source
■ Control of motor, shut-off device
■ Floating contact for the control of the burner
■ Sensor PT-1000 incl. sensor well ½” x 280 mm loose (installation,
return of additional heat source)
■ Sensor PT-1000 incl. sensor well ½” x 280 mm loose (installation in
low loss header-system sensor)
Note
The electrical output data of the on-site boiler pump (kW, ampere, volt)
must be given.
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