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3.6 Accessories for Mastercontrol
Heat meter signal
Part no. 7387 975
Function
With this analogue input (0-10 V signal), the external heat meter can
be read into the Mastercontrol. The current values can be displayed.
The heat meter data is archived in the visualisation.
Requirement, additional heat source KP0
Part no. 7387 973
Function
The additional heat source supplies, individually or jointly with the
boiler, heat to the cylinder, which 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 motorised shut-off device
is open. It is generally used when integrating an electric boiler.
Standard delivery:
■ Sub-menu on touch-screen
■ Contactor and overload relay, boiler circuit pump, additional heat
source
■ Control of motor, shut-off device
■ Zero volt contact for the control of the burner
■ Sensor PT-1000 incl. sensor well ½” x 280 mm (installation in low
loss header - system sensor)
Note
The electrical output data of the on-site boiler pump (kW, Ampere,
Volts) must be given.
Requirement, additional heat source KP1
Part no. 7387 905
Function
The additional heat source supplies, individually or jointly with the
boiler, heat to the 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. It is generally used when integrating oil or gas boil-
ers.
Standard delivery:
■ Sub-menu on touch-screen
■ Contactor and overload relay, boiler circuit pump, additional heat
source
■ Control of motor, shut-off device
■ Zero volt contact for the control of the burner
■ Sensor PT-1000 incl. sensor well ½” x 280 mm (installation, return
of additional heat source)
■ Sensor PT-1000 incl. sensor well ½” x 280 mm (installation in low
loss header - system sensor)
Note
The electrical output data of the on-site boiler pump (kW, Ampere,
Volts) must be given.
Pt1000
Control unit
(cont.)
PYROTEC
21
5822 511 GB
3
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