Oxmoor SPOT-1 - Manual (Page 5)

Figure 1.1: SPOT-1e Infrared Emitter With External Power Supply
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SPOT-1 CALLOUTS - EXTERNAL POWER SUPPLY
1. HOUSING – Die-stamped, 20 gauge, cold rolled steel with
white powder coat finish.
2. RF CONDUIT KNOCKOUT – 1/2” uniform opening for RF
cable entry. NOTE: Requires a gasketed EMT air tight com-
pression connector or gland nut when used in a plenum
ceiling.
3. PLASTER FRAME – Housing adjusts in plaster frame
1-3/8” to accommodate different ceiling thicknesses.
4. BAR HANGERS – Fully adjustable “nail-less” bar hang-
ers fit between 24” joists and span 24” T-bars. Hanger bars
are scored for reducing for 12” joist spans. Housing may
be positioned at any point along length of fully extended
bar hangers.
5. TRIM RING – White metal trim ring with glass lens.
6. RF INPUT CONNECTOR – BNC-style RF input connector.
Input impedance 25 k ohms at 95 kHz.
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7. DC POWER CONNECTION – 3-pin header connector. Cen-
ter Pin Positive with both outside pins negative. NOTE:
Requires 24V DC supply at 1.25 amps, voltage regulation
±
5 % with a maximum peak to peak ripple of 240 mV.
8. DC POWER CABLE – 2-conductor cable, terminates in
junction box.
9. DIODE ARRAY – 72-diode array designed to cover small
“spot” areas of approximately 314 to 2,800 square feet.
10. JUNCTION BOX – Fully gasketed for Plenum listing. UL
listed for through branch circuit wiring.
11. POWER KNOCKOUTS – Positioned to accommodate
straight conduit runs. All conduit knockouts are uniform
1/2” size with pry out slots.
12. CONDUIT FITTINGS – Plenum approved flexible metal-
lic tubing and gasketed connectors.
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