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4.2.3 Alarm/Blower stopping connection

Connect the RL1 switch in series with the starting switch KV of the electric motor starting panel.

NOTE : Use the NC connection because it is intrinsically safe in case of interruption of

SENTINEL electric supply.

WARNING

: The protection of the blower is granted only if the SENTINEL Alarm/Stopping

switch RL1 is connected to the starting panel like indicated in Fig. 6.

NOTE : Shield the SENTINEL Alarm/Stopping connection cables and do not lie out the cables

near the power cables

STARTING PANEL SENTINEL

Ancillary system Junction box

PM KV

1 Ancillary line RL1 Alarm/Stopping connector

2 Ancillary line NC Normally closet contact

PM Start key CC Commune Contac

PA Stop key NA Normally Open contact

PT Motor protection

KV Starting switch

Fig. 7

Robuschi SENTINEL User Manual

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