Important Safeguards and Warnings, Description

IMPORTANT SAFEGUARDS AND WARNINGS

Prior to installation and use of this product, the following WARNINGS should be observed.

1.Installation and servicing should only be done by qualified service personnel and conform to all local codes.

2.Installation shall be done in accordance with all local and national elecctrical and mechanical codes using only approved materials.

3.Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X, 6 or 6P enclosure, it is designed for indoor use only and it must not be installed where exposed to rain and moisture.

4.The camera and lens combined weight shall not exceed 35 pounds (16 kg).

5.Only use replacement parts recommended by Pelco.

6.After replacement/repair of this unit’s electrical components, conduct a resistance measurement between line and exposed parts to verify the exposed parts have not been connected to line circuitry.

7.Use only installation methods and materials capable of supporting four times the combined weight of the enclosure, scanner, camera, and lens.

8.An ALL-POLE MAINS SWITCH with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building.

9.For 24 VAC models only, use a UL Listed, Class 2 power source.

DESCRIPTION

The PS20 Series scanner is a medium-duty indoor/outdoor unit designed to operate with a maximum load of 35 pounds (16 kg). The scanner features stepper motor technology, three selectable speed settings, easy-to-adjust limit stops, and pan rotation of 380 degrees.

The PS20 scanner is capable of continuous and random operation when connected directly to a power source. If a Pelco MPTAZ Series control is used, the scanner can operate continuously, randomly, and manually.

MODELS

PS20	Medium-duty scanner, 120 VAC
PS20-24	Medium-duty scanner, 24 VAC
PS20/230	Medium-duty scanner, 230 VAC

INSTALLATION

NOTE: A terminal box or compartment shall be pro- vided in which mains supply connections are to be made and shall be such that these connections are capable of being readily made and in- spected without disturbing the wiring or the apparatus after the unit is installed.

The PS20 scanner can be mounted to any flat surface in an upright or inverted position. If the scanner is to be attached to a wall/ceiling/pedestal mount, follow the instructions provided with the mount.

Installation requires a mounting surface or mount with a center feed through hole. Use a suitable wiring compartment/terminal box for connection with the AC mains supply and attach the PS20 scanner directly to the mounting surface.

2	Pelco Manual C361M-A (8/02)