Toshiba Q9 Installation And Operation Manual page 41

Bypass LED (LED 3) — On when the following conditions are met:
4.
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Upon receiving a Damper Response signal (DRA/DRB), the 3M contactor closes allowing for normal
Bypass Mode operation.
Inverter Mode Switch — With the System Interlock LED criteria being met (item #2), the
5.
Inverter Mode switch is used to select Inverter Mode, Bypass Mode, or Off.
Inverter Test Mode Switch — With the CPT input power applied and the door closed, the
6.
Inverter Test Mode switch (when on) closes the 1M contactor (via K1) to test the ASD section of
the system without providing an ASD output to the connected motor.
7. Test LED (LED 1) — On during Inverter Test Mode operation.
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Control Power is applied,
Door switch (LS) is open,
Protective Overload contactor (OL) is closed,
Customer Interface contact (CI) is closed,
The damper is fully open (DRA connected to DRB), and
The Inverter Mode switch is set to BYP.
Q9 FlowSaver Installation and Operation Manual