ULTRASONIC
20
Copyright STULZ GmbH 02/1997
CONTROL SYSTEM
4.
Control System
For operation of the Ultrasonic humidifiers, an external control box has to be
provided. Together with the transformer required for operation, contactor
relays, the main switch, strip terminals and the proportional adapter, if requi-
red, controller or the conductimeter have to be integrated into the control box.
Control of the humidifiers can either be ON/OFF control, continuous or
proportional control. The control system should be suitably adapted to the
project in question.
When the control box is wired, the suppressor diodes provided to protect the
oscillators have to be connected in parallel with the oscillator boards. For all
types, the provided contactor for the bath response (level indicator of water
tank) has to be additionally used and to be connected with the RC module
provided. Other contactors would destroy the float switch.
Incorrect wiring of the control box may cause damage to the humidifier; the
control boxes should therefore be wired in accordance with the wiring dia-
grams provided.
The parts provided by STULZ are identified by "*" in the wiring diagram.
The regulations of the local electric supply companies have to be observed.
Concerning the CE requirements for the European Community please refer to
page 70 - 73. The components mentionned on page 70 - 73 must be inserted
in the wiring diagrams of this chapter.