Notes specifi c to PDS CONTROL DUAL
• (1 to 11): Exclusive for the connection of the PDS REM accessory.
• (12-12): Output. Volt-free contact, status monitoring "VSD OK".
• (13-13) & (14-14): Output. Volt-free contact, status monitoring "VSD RUN" for MOTORs 1 & 2.
• (15-15): Input. Volt-free contact for fan activation at MIN speed (example, activation via weekly schedule controller).
PDS CONTROL DUAL M
5. START-UP
5.1. PRIOR
Once the safety points of the installation have been verifi ed, and the electrical connection has been made:
• Switch to AUTO mode; Verify that only the green indicator (PDS CONTROL OK) is lit. In case of FAULT, review the pre-
vious points.
• Switch to mode ON-MIN; verify that PDS CONTROL OK and FAN ON (green and white) indicators are lit.
• Verify that the rotation direction of the impeller is correct.
• Check for any abnormal fan vibrations.
• If any of the electrical protection devices of the installation are triggered, disconnect the equipment from the mains
supply and check the installation before setting it back into operation.
• Do this for FAN 1 and FAN 2 for the DUAL version.
5.2. TPD-D SENSOR SET UP
The TDP-D is an electronic pressure transducer initially designed to measure total and differential air pressures in
ventilation systems.
It comes pre-set by default, but it should be revised and zeroed, following the descriptions below.
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