Installation Instructions
DS936 Ceiling Mount Passive Infrared
Intrusion Detection
1.0 General Information
The DS936 is a Low Profile Ceiling Mount Passive Infrared Intrusion Detector, which uses alternate polarity pulse count. It uses a pointable Fresnel lens to provide up to 24 ft (7.2 m) of coverage and may be mounted on the surface, or semi-flush directly to a ceiling or a standard octagonal electrical box.
INPUT POWER: 10 to 15 VDC non polarized; 15 mA @ 12 VDC.
STANDBY POWER: No internal standby battery. Unit is intended to be connected to DC power sources capable of supplying standby power in the event primary power fails. 15 mA-H required for each hour of standby time needed.
MOUNTING HEIGHT: 7 to 12 ft. (2.1 to 3.7 m) on ceiling.
COVERAGE: Provides 360° coverage pattern. (Coverage is approximately 2 times the mounting height, see pattern drawing on page 2.)
SENSITIVITY: Adjustable for Standard, Intermediate, or High.
POINTABILITY: ±15° rotationally by moving lens.
ALARM RELAY: Normally Closed operation and protected by a 4.7 ohm resistor in series with the relay contact. Reed relay with contacts rated at 28 VDC, 125 mA maximum for DC resistive loads.
TAMPER: Normally Closed tamper switch rated at 28 VDC, 125 mA.
LED OPERATION: Dip Switch On/Off Selectable.
TEMPERATURE: The storage and operating temperature range is -20°F to +120°F (-29°C to +49°C). For UL Listed Requirements, the temperature range is +32° to +120°F (0° to +49°C).
OPTIONS: TC6000 Test Cord.
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PWR |
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RLY |
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1 |
2 |
3 |
4 |
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6 |
DETECTOR |
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TAMPER |
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SWITCH |
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ELEMENT |
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- |
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TEST/ |
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ALARM LED |
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+ |
BACKGROUND NOISE |
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VOLTAGE OUTPUT |
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ON O 1 2 |
3 |
CONFIGURATION |
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N |
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SWITCHES |
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OFF |
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The DS936 is designed to be surface mounted directly on the ceiling or recess mounted to any 3 1/2 inch (88.9 mm) standard octagonal box.
•Select a location that is most likely to intercept an intruder moving beneath and across the coverage pattern. Recommended mounting height is 7 ft. to 12 ft. (2.1 m to 3.7 m).
NOTE: Mounting surface should be solid and vibration free (e.g., Drop tiles should be secured if drop ceiling is used as an air return system for HVAC systems).
•Remove the top cover by gently prying it from the base with the blade of a screw driver.
•Route wiring through the wire entrance located near the terminal strip.
•Using the enclosure as a template, mark the location for the mounting screws, and prestart the mounting screws.
• Firmly mount the detector to the mounting surface.
Recess Mounting With Octagonal Box: |
PRY OUT |
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HOLDER TABS |
• To mount the DS936 to a 3 1/2 inch (89 mm) stan- |
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dard octagonal box, remove the circuit board holder |
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from the base by prying holder tabs out with your |
ON O 1 |
2 |
3 |
thumbs and pushing the board holder assembly out |
N |
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OFF |
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with your index fingers. |
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The base may be discarded or saved for possible
future use. |
OCTAGONAL BOX |
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• Route wiring as necessary through the box and into the wire entrance.
DS936
• Mount the circuit board holder assembly to the box.
BOARD HOLDER ASSEMBLY
Recess Mounting Without Electrical Box:
The DS936 may be recess mounted without the use of an octagonal box by using the supplied flush mount ring.
• Remove the board holder assembly from the base by prying holder tabs out with your thumbs and push the board holder assembly out with your index fingers.
•Using the inside cutout of the flush ring as a template, prepare
an opening 2-3/4" by 2-5/8" (70 x 67 mm) wide in the mounting surface.
•Route wiring through opening and flush mount ring.
•Place the flush mount ring over the opening and bend the support tabs into the opening and around the mounting surface so that the ring fits snug against the surface.
•Route wiring through the wire entrance.
•Mount the detector to the ring using the supplied screws.
3.0 Wiring
W ire En tra nce
NOISE VOLTAGE |
• Connect wiring as shown: |
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WIRE SLOT |
CAUTION: |
APPLY POWER AFTER |
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View with Cover Off |
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P WR |
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RLY |
T |
T |
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ALL CONNECTIONS |
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2.0 Mounting |
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HAVE BEEN MADE AND |
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3 |
4 |
5 |
6 |
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INSPECTED. |
1 0 to 15 VDC |
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Alar m |
Tam pe r |
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NON Po lar ized |
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Re lay |
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THINGS TO AVOID/REMEMBER
AVOID
•Direct hot and/or cold drafts • Windows • Small Animals
•Air Conditioning Outlets • Heat Sources • Direct Sunlight
REMEMBER
•Won’t detect through glass
•Best catch performance is across the pattern
•When using two or more detectors, cross the patterns for best coverage
•Terminal 1 & 2 power limits are 10 to 15 VDC measured at the terminals. Use no smaller than #22 AWG (0.8 mm) wire pair between the unit and the power source.
•Connect a Normally Closed burglar alarm loop to terminals 3 & 4.
•Connect a Normally Closed Tamper circuit to terminals 5 and 6. Tamper contacts rated at 28 VDC, 0.125 amps.
NOTE: Do not coil excess wiring inside unit.
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