Lighting Controls Blue Box LT Series Installation, Operation & Maintenance Manual page 12

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1 . Screw fastener secures hinged Control Panel
Door (Master only) .
2 . Hinged Door Panel provides a barrier between
Control Interface and High Voltage connections
beneath (Master only) .
3 . Optional Modem . Free factory dial-up programming
4 . Optional DI contact closure interface card .
5 . NEMA 1 surface mount enclosure with hinged
door and key lock; Ø1/4" mounting holes at 4
places (hardware not included) .
6 . Optional: Unfasten three screws to remove chas-
sis assembly from enclosure providing full access
to mounting holes if required .
6
1
2
1
3
8
GR1416 LT (WHITE DOOR OPEN)
.
THE BLUE BOX LT OVERVIEW
9
4
7 . SnapLink relays, Normally-Closed (NC) . Status
™
LED: ON when relay is OFF (NC) .
8 . DTC Clock / Display & Programming Interface:
32-channel, 365-day astronomical clock with
Scroll and Tab to access control features for en-
tire system (Master only) .
9 . Voltage barrier separates low & line voltage con-
nections .
10 . Dual Voltage Input: Blue Box LT
ther 120V or 277V .
11 . Ground Lug for equipment grounding .
6
9
7
6
10
5
11
operates on ei-
™