Manual

5.12.3 Electronic voltage control VCS (not existent at ND models)
Installation Instructions
All Panda generators from Panda 6000 upwards are fitted with the electronic voltage control "VCS" as standard.
The VCS controls the generator voltageand motor speed. An actuator on the injection pump can increase the engine
speed compared to the idle speed.
If the generator runs without load, the frequency should be approx. 48,5 - 49 Hz (50 Hz System) or 58,5 - 59 Hz (60
Hz System). The frequency (equates to the speed) can be increased by up to 8%. This ensures that the engine
speed is increased when there is an extra load. The maximum speed is achieved when 80% load is reached.
The speed gauge is governed and limited by an adjusting screw, above and below. Adjustment of this screw may not
occur without the expressive approval of the manufacturer.
All signals pass through the circuit board in the AC-Control box. The signal impulse for the actuator is passed to the
electric motor by means of the 5-core wire.
The generator maintains its full capability if the VCS has a defect. In this case the base current must be raised by
adjusting the minimum setting on the speed gauge to 5 % of the nominal load (for example 240V at a 230V system),
in order to ensure that the generator output voltage at 70 % nominal load does not drop (for example 215V at a 230V
system).
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1. Connection measuring voltage
2. Adjusting booster voltage (do not adjust!)
3. Adjustment VCS-voltage
4. Connection VCS inlet
5.12.4 Alternative control: Mini-VCS
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Fig. 5.12.3-1: VCS - example
An alternative for generators without AC-Control box is the
Mini-VCS.
The Mini-VCS and the capacitors may be mounted at the generator.
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5. Electrical fuse (1.6 A, slow to blow)
6. Potentiometer for booster time
7. Connection for PC
Seite/Page 86 Panda_4000s_PMS_SCB_FCB_eng.R04 - Kapitel/Chapter 5: Installation Instructions 7.5.12
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