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1051855A

December 2004

RCR-PET Lens Replacement Kit

Installation Instructions

Description

This is the RCR-PET lens replacement kit to update your Preci-
sionLine RCR-PET Motion Sensor. The kit includes:

• one RCR-PET lens
• one black plastic lens shield

Installation

To replace the lens in the unit, do the following:
1.

Use a small flathead screwdriver to pry the nameplate off 

the cover (

Figure 1

). Loosen the cover mounting screw and 

pull the cover off the base.

Figure 1.

Exploded view

2.

Use a #4 Phillips screwdriver to remove the two circuit 
board mounting screws (

Figure 2

). Slide the circuit board 

out of the mounting guides and lift the circuit board off the 
front cover.

Figure 2.

Removing the circuit board

3.

To remove the white plastic lens shield (

Figure 3

), press 

down on the shield release tab and slide the shield out of the 

shield guides. Discard the shield.

Figure 3.

Removing the lens shield

4.

Slide the RCR-PET lens out of the guides (

Figure 4

) and lift 

the lens off the mounting pins. Discard the lens.

Figure 4.

Removing the lens

5.

Place the new lens under the guides (

Figure 4

) and over the 

mounting pins. 

6.

Slide the new black plastic shield under the shield release 
tab (

Figure 3

). Align the shield over the mounting pins, and 

snap the shield down. 

7.

Slide the circuit board under the mounting guides (

Figure 2

and replace the two mounting screws. 

Do not overtighten 

the mounting screws

.

8.

To reattach the cover on the base, place the tabs at the 

bottom of the cover over the guides at the bottom of the base 
and align the connection block pins over the connection 
block (

Figure 1

). Gently snap the unit together.

9.

Insert the mounting screw and reattach the nameplate 

(

Figure 1

).

10. The multicolor LED located on the bottom of the unit 

(

Figure 1

should light green for approximately 25 seconds 

then go out.

11. Walk through the intended coverage area to walk test the 

unit. The LED color (

Figure 1

) indicates the status of the 

unit as described in 

Table 1

. Thirty minutes after you reat-

tach the cover on the base, the LED will only indicate an 
alarm condition.

CAUTION

CAUTION

You must be free of all static electricity before 
handling sensor circuit boards. Touch a 
grounded surface or wear a grounding strap 
before touching circuit boards.

Nameplate

Mounting screw

Cover

Base

LED

Mounting screw

Mounting screw

Guide

Guide

Circuit board

Release tab

Guide

Guide

Guide

Shield

Guide

Guide

Lens

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