Oxmoor SPOT-1 - Manual (Page 4)

Figure 1.0: SPOT-1i Infrared Emitter With Internal Power Supply
Page 2
SPOT-1
i CALLOUTS - INTERNAL 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. BRACKET PLATE – Ridge plate adjusts and locks with-
out tools. Used to support the internal power supply on
the SPOT-1i PS version.
11
5
3
2
1
4
6
7
9
10
7. RF INPUT CONNECTOR – BNC-style RF input connec-
tor. Input impedance 25 k ohms at 95 kHz.
8. DC POWER SUPPLY – 24V DC supply at 1.25 amps, volt-
age regulation
±
5 % with a maximum ripple P-P of 240
mV. Accepts 100 - 230V AC connection through junction
box.
9. DC POWER CONNECTION – 3-pin header connector. Cen-
ter Pin Positive with both outside pins negative.
10. DIODE ARRAY – 72-diode array designed to cover small
“spot” areas of approximately 314 to 2,800 square feet.
11. JUNCTION BOX – Fully gasketed for Plenum listing. UL
listed for through branch circuit wiring.
12. POWER KNOCKOUTS – Positioned to accommodate
straight conduit runs. All conduit knockouts are uniform
1/2” size with pry out slots.
13. CONDUIT FITTINGS – Plenum-approved flexible metal-
lic tubing and gasketed connectors.
12
13
8