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AP633A Passive Infrared Detector Installation 
Instructions 

Description 

The AP633A offers the detection of motion for infrared targets 

in selectable ranges extending 40 feet (12.2m), 80 feet 

(24.4m), and 200 feet (61.0m). The viewing angle selection 

allows the installer to select and delete any portion of the 

coverage pattern to customize the optical performance of the 

unit. The mounting plate of the unit is equipped with precise 

adjustment screws to allow the installer to alter the horizontal 

viewing point as much as 2 degrees to the left or right, up or 

down. Features include: 

• 

Step focus curtain 

• Calibrated 

sensitivity 

• 

Coverage up to 200-foot (61.0m) max. 

• 

12 different protection patterns 

• 

Precision step focus mirror optics 

• 

Form C contacts 

Mounting tips 

• 

Do not mount the unit outdoors. 

• 

Do not block the viewing angle of the unit. 

• 

Mount the unit so that would-be intruders cross the pattern 

of detection at a 90 degree angle. 

• 

Seal all openings and wire entries. 

• 

When mounting the unit on masonry surfaces, use an 

appropriate moisture barrier. 

• 

Use of the vertical screw adjustment may reduce the unit’s 

range. 

• 

Avoid these sources of disturbance: 

 

• 

Sunlight or vehicle headlights shining directly onto the 

 unit. 

 

• 

Heat sources or mobiles in the field of view. 

 

• 

Strong air drafts blowing onto the unit. 

 

• 

Animals in the field of view. 

 

• 

Insects in the housing or on the face of the unit. 

 

• 

Rapid temperature changes in the field of view. 

 

• 

Very strong sources of RF energy and induction of 

 electrical 

noise. 

Installing the unit 

1.  Loosen the screw at the bottom of the unit; then remove 

the front housing (Figure 1 below). 

Caution: 

You must be free of static electricity before handling 

sensor circuit boards. Touch a grounded, bare metal surface 

before touching circuit boards or wear a grounding strap.  

Figure 1: AP633A 

 

2.  Pull down on the plastic locking tab at the base of the 

circuit board to remove the mirror/circuit board assembly. 

See Figure 2 on page 2. 

3.  Remove the appropriate wiring knockouts and pull the 

cable through the entries. See Figure 3 on page 2. 

4.  Level the backplate to the wall leaving a 1/2 inch 

clearance space above the unit. For flat-wall mounting, 

use the four mounting holes. For corner mounting 

applications remove the mounting knockouts located in 

each corner. See Figure 3 on page 2. Insert 8-32 x 2 inch 

screws. Tighten until secure, but be careful not to over-

tighten the backplate as you may need to adjust the 

viewing angle after walk testing. 

5.  Replace the mirror/circuit board assembly then make wire 

connections. See Figure 4 on page 2. 

P/N 1036522 • REV C • 19JUN12 

Summary of Contents for AP633A

Page 1: ...ectly onto the unit Heat sources or mobiles in the field of view Strong air drafts blowing onto the unit Animals in the field of view Insects in the housing or on the face of the unit Rapid temperature changes in the field of view Very strong sources of RF energy and induction of electrical noise Installing the unit 1 Loosen the screw at the bottom of the unit then remove the front housing Figure ...

Page 2: ...minals 33ohm 1 2 3 4 5 6 7 8 NEG 12V Alarm Tamper Spare Terminal AP633A 1 Negative 2 Positive 3 Closed Loop Contact 4 Common 5 Open Loop Contact 6 Tamper Closed Loop 7 Tamper Closed Loop 8 Spare not used Aiming the unit To ensure proper coverage make subtle pattern adjustments using the three adjustment screws located inside the unit see Figure 5 below The top screw adjusts the unit s coverage pat...

Page 3: ...0 foot 61 0m plastic mask marked 6 insert in place The 40 foot 12 2m center curtain is always enabled to ensure undercrawl detection For special applications an optional swivel bracket is available see Figure 6 below Testing zone locations Figure 6 Optional swivel bracket The test feature allows you to identify each zone of coverage and avoid splitting a zone of coverage between two areas with dis...

Page 4: ...on 25mA average normal operation LED enabled 40mA max Contact rating Alarm 100mA 28 VDC with 33 ohm resistor in series Tamper 100mA 28 VDC Coverage pattern 12 selectable patterns using snap on blockers Mounting height 6 to 10 1 8m to 3 0m Operating temperature 0 F to 131 F 18 C to 55 C Dimensions 6 3 x 4 1 x 3 0 16 0cm x 10 4cm x 7 6cm Regulatory information Listings UL 639 Ordering information Pa...

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