PLUS300 EXPERT U THR
Pag. 6
USE AND MAINTENANCE MANUAL
IMPORTANT GENERAL INFORMATION FOR THE INSTALLER
1. Install the device in places where the protection rating is observed and try not to
damage the box when drilling holes for wire/pipe seats;
2. Do not use multi-polar cables in which there are wires connected to inductive/power
loads or signaling wires (e.g. probes and digital inputs);
3. Do not fit power supply wiring and signal wiring (probes and digital inputs) in the same
raceways or ducts;
4. Minimize the length of connector wires so that the wiring does not have a spiral shape;
5. All wiring must be of a cross-section suitable for relevant power levels;
6. Place a general protection fuse upstream from the electronic controller;
7. When it is necessary to extend the probes, the wires must have a cross-section of at
least 1mm². The probes extension or shortening could alter the factory calibration; then
check and calibrate through an external thermometer.
KIT FOR MOUNTING
PLUS300 EXPERT U THR electronic controller kit, for assembling and using, contains:
• N° 4 seals, to be fitted between the fixing screws and the box back panel.
• N° 1 use and maintenance manual.
• N° 1 electrical drawing.
• N° 1 drilling layout.
• N° 2 probes NTC 10K 1% .
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