Lighting Controls Blue Box LT Series Installation, Operation & Maintenance Manual page 124

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INSTALLATION INSTRUCTIONS
ROOF-MOUNTING THE PCO
1 . Roof mount the PCO "hood up"
with an as unobstructed view of
the north sky as possible . Avoid
aiming at any surfaces that might
reflect sunlight directly into the
PCO lens .
CONNECTION
2 . Connect the PCO to the photo-
cell inputs of a master Blue Box LT,
a PCC1 or PCC3 photocell card
with 2#18, up to 300 feet away .
COMMISSIONING
3 . Once the system has been pow-
ered up per the steps of the "Sys-
tem Start-Up & Cabling Guide",
complete the following test to ver-
ify the photocell is connected and
aimed correctly — facing North .
Follow the correct commissioning
steps in the "Commissioning Pro-
cedures" .
THE BLUE BOX LT PCO INSTALLATION GUIDE
Figue A:
Red conductor to 8v (common)
Blue conductor to "Input"
8v Red conductor
Input
Blue conductor
COMMISSIONING PROCEDURES
1 . Read the Light Level from the
photocell to ensure placement
and functionality .
When connected to a Blue
Box LT, navigate to :
MAIN MENU > USER MENU
> REVIEW SCHEDULE >
PCELL ON
When connected to a PCC
Card, n avigate to:
MAIN MENU > USER MENU
> PROGRAM SWITCH >
PHOTOCELL (1 OR 3) >
TRIGGER (1-10)
MODE/OFFMODE
PCO has a 1/2 threaded
nipple, with a locking ring
(if needed).
2 . If the display reads in the range
of 0 – 1020, this test is a pass,
and programming can be
started .
3 . If display reads "1020":
Cover PCO lens and check
readings . If readings drop close
to "0", adjust the aim of the
photocell to avoid direct or
reflected sunlight . If display still
reads "1020" , check for re-
versed connection (see Figure
A above) .
> ON
4 . If reading is stuck at "0", ensure
photocell is securely connect-
ed . If reading does not change,
contact LC&D Tech Support .