Lighting Controls Blue Box LT Series Installation, Operation & Maintenance Manual page 119

THE BLUE BOX LT 1416 LT NSTALLATION GUIDE
HOOk UP DIAGRAM
7
4
Outdoor
Photocell
5
1
2
3
6
Slave Blue Box
Chelsea Digital Switches
CONNECTIONS DETAILS
For internal wiring connections refer
to The Blue Box LT "O&M Manual" .
1 . Relay lugs may hold up to 4#10 or
2 #8 AWG . Neutrals may be run
through The Blue Box LT gutter .
2 . Power supply lugs may hold up
to 2#12 . Use a dedicated power
supply breaker (see below for
controlling emergency loads) .
3 . Ground Lug - for grounding The
Blue Box LT only .
4 . 2#18 AWG from photocell in-
put (master panel only) to out-
door photocell (up to 300 ft) . If
longer, use shielded cable .
5 . Cat . 5 from RJ45 sockets connect
The Blue Box LT to other digital
devices (switches, relay panels,
etc . ) . Refer to "System Start-Up
Cabling Guide" when making
these connections, and before
powering-up The Blue Box LT .
6 . Wiring details for optional Digi-
tal Input Card are shown on the
Slave Blue Box
"DI Installation Guide . "
7 . Run 4-conductor, flat cable from
modem to an analog phone jack .
Refer "Modem Installation Guide . "
EMERGENCY LOADS
To switch emergency on in the event
of a loss of normal power, feed the
power supply with a dedicated nor-
mal-power breaker (left) .
To hold relay status (on or off) in the
event of a loss of normal power, feed
The Blue Box power supply with a
dedicated emergency-power breaker
via a server-quality UPS (load is less
than 10 watts) .
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