Accessories For Pyrocontrol; External Drive Control; Control Of External Drive With Light Barrier - Viessmann KOB PYROTEC Technical Manual

Control unit
(cont.)

3.2 Accessories for Pyrocontrol

External drive control

Part no. 7387 802
Control of an external conveyor drive or a rotary lock valve without
reversing. The motors are protected against overload and switched off
early in the case of a pressing risk.
Standard delivery
■ Motor overload relay/contactor combination for drive motor fully inte-
grated in control panel.
■ Input in control panel for safety limit switch at maintenance cover
■ Output in control panel for external conveyor drive

Control of external drive with light barrier

Part no. 7387 816
Control of an external conveyor drive without reversing, with interrup-
tion of the upstream charging where there is a risk of overfilling in the
inlet by means of an integral light barrier. The motors are protected
against overload and switched off early in the case of a pressing
risk.
Standard delivery
■ Motor overload relay/contactor combination for drive motor fully inte-
grated in control panel.
■ Input in control panel for safety limit switch at maintenance cover
PYROTEC
Note
The customer is resopnsible for the delivery and installation of the
safety switch of the external conveyor drive.
Note
Only with defined limited material supply (upstream supply screw con-
veyor). The electrical output data of the existing conveyor device (kW,
Ampere, Volts) must be given.
■ Output in control panel for external conveyor drive
■ Infrared light barrier installed at the supply screw conveyor inlet
Note
For the control of a supply screw conveyor with external motor down-
stream of the external discharge.
Note
The electrical output data of the existing conveyor device (kW,
Ampere, Volts) must be given.
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