SAG582127000
System Application Guide
Issue AF, February 26, 2014
Spec. No. 582127000 (Model 721
NPBB
)
Page 98 of 125
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Optional LVD
Driver Circuit Card
LVD Inhibit Switch
Momentary UP / Middle / Down
Momentary UP Position: Closes all LVD Contactors (inhibit mode).
Middle Position: OFF (ACU+ DOES NOT control LVD’s) (inhibit mode).
DOWN Position: ON (ACU+ controls LVD’s).
LVD Inhibit
Active Indicator
Notes:
1. Connects up to (4) LVLD
and (1) LVBD contactors.
2. Switch and indicator located
on circuit card installed in
Main Bay only.
J6
J5
J4
J3
J2
J1
J7
S1
J1, J2, J3
To LVLD contactor, uses ACU+
LVD1 control setting (Level 1).
J4, J5, J6
To LVLD contactor, uses ACU+
LVD2 control setting (Level 2).
J7
To LVBD contactor, uses ACU+
LVD2 control setting (Level 2).