OPERATING INSTRUCTIONS RH 90 C E Operation Switching on the electric motor  Insert key in key-switch (32, Fig. 2-43:) and turn clockwise. The control voltage is switched on.
Keys (51 and 52, Fig. 2-43:) must not be actuated while the motor is running up to speed (max. 6 seconds).
Cf. indicators on the BCS-monitor (2, Fig. 2-44:).
 Actuate START key (51, Fig. 2-43:) briefly. The switch-on phase is controlled by a time-lag relay. If the electric motor fails to start up, repeat the switch-on procedure.
Fig. 2-44:
An electric timer interlock (SPC) allows the electric motor to be started up not more than 4 times per hour (at 15-minute intervals). The indicator lamps (42, Fig. 2-43:) and (2, Fig. 2-45:) come on as soon as the rotary field is correct
Fig. 2-43:
Fig. 2-45:
BA RH90C(3 720 760.00)-EN
2-45
