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4.3 Wiring of INTZ safety switch
Safety switch delivered factory wired and mounted.
Note: the safety switch is sized to be used in smoke extract application for a 400V three-phases or 230V
single-phase 50/60Hz power supply. The switch is used to isolate the unit from the electrical network in
case of maintenance operations, not to pilot the unit on/off.
Safety switch access
The switch is located next to the controller. To facilitate the wiring of the switch remove the visor.
TEDH / TEDV F400 ECOWATT
®
One-phase
Motor controller
INTZ
- Safety switch
VCHV-A
- Pressure or airflow controller, in COP and CAV one-phase units
PTHV-A
- Airflow display, in VAV one-phase unit with display
TEDH / TEDV F400 ECOWATT
®
Three-phase
INTZ
- Safety switch
Motor controller
PTHV-A
- Airflow or pressure display,
in VAV and COP units with
display and CAV unit.