Federal Signal Corporation 151XST Series Handbuch

256822J

REV. J 613

Printed in U.S.A.

Model 151XST Series Strobe Light

for Use in Hazardous Conditions

Installation and

Maintenance Manual

français...............page 21

español...............página 43

Warranty – Seller warrants all goods for ve years on parts and 2-1/2 years on labor,

under the following conditions and exceptions: Seller warrants that all goods of

Seller's manufacture will conform to any descriptions thereof for specications which

are expressly made a part of this sales contract and at the time of sale by Seller such

goods shall be commercially free from defects in material or workmanship. Seller

reserves the right at the Seller’s discretion to “Repair and Return” or “Replace” any

item deemed defective during the warranty period. This warranty does not cover

travel expenses, the cost of specialized equipment for gaining access to the product,

or labor charges for removal and reinstallation of the product. This warranty shall be

ineffective and shall not apply to goods that have been subjected to misuse, neglect,

accident, damage, improper maintenance, or to goods altered or repaired by anyone

other than Seller or its authorized representative, or if ve years have elapsed from

the date of shipment of the goods by Seller with the following exceptions: lamps

and strobe tubes are not covered under this warranty. Outdoor warning sirens and

controllers manufactured by Federal Warning Systems are warranteed for two years

on parts and one year on labor. No agent, employee, representative or distributor

of Seller has any authority to bind the Seller to any representation, afrmation, or

warranty concerning the goods and any such representation, afrmation or warranty

shall not be deemed to have become a part of the basics of the sales contract and shall

be unenforceable. THE FOREGOING WARRANTIES ARE EXCLUSIVE AND IN

LIEU OF ALL OTHER WARRANTIES OR MERCHANTABILITY, FITNESS FOR

PURPOSE AND OF ANY OTHER TYPE, WHETHER EXPRESS OR IMPLIED.

These warranties shall not apply unless Seller shall be given reasonable opportunity

to investigate all claims for allegedly defective goods. Upon Seller's instruction a

sample only of allegedly defective goods shall be returned to Seller for its inspection

and approval. The basis of all claims for alleged defects in the goods not discoverable

upon reasonable inspection thereof pursuant to paragraph 8 hereof must be fully

explained in writing and received by Seller within thirty days after Buyer learns of

the defect or such claim shall be deemed waived.

Industrial Systems

2645 Federal Signal Drive • University Park, IL 60484-3167

Tel: 708-534-4756 • Fax: 708-534-4852

Email: [email protected] • www.federalsignal-indust.com

Models 151XST and 151XST-S

Contents

Safety Messages to Installers ..........................................................5

An Overview of the 151XST Series ..................................................6

Unpacking the Light..........................................................................7

Pipe-Mounting the Beacon (151XST)...............................................9

Surface-Mounting the Beacon (151XST-S)....................................10

Wiring the Beacon........................................................................... 11

Wiring the AC Models............................................................ 12

Wiring the DC Models ........................................................... 14

Safety Message to Maintenance Personnel..................................14

Replacing the Flash Tube ....................................................... 16

Replacing the Printed Circuit Board (PCB) ........................... 17

Cleaning the Fixture ............................................................... 18

Lubricating the Threaded Joint ............................................... 18

Getting Repair Service or Technical Assistance .........................19

Ordering Accessories and Replacement Parts ............................19

Returning the Product for Credit ...................................................20

Tables

Table 1 Specications ........................................................................7

Table 2 Voltage and operating current ...............................................7

Table 3 Flash rate and candelas ........................................................8

Table 4 Hazardous Location Rating ...................................................8

Table 5 Replacement parts ..............................................................19

Table 6 Accessory ............................................................................20

Models 151XST and 151XST-S

Contents

Figures

Figure 1 Pipe-mounted beacon .......................................................10

Figure 2 Surface-mounted beacon .................................................. 11

Figure 3 Cross section of beacons ..................................................13

Figure 4 Normal (A) and darkened (B) ash tube ............................17

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Safety Messages to Installers

It is important to follow all instructions shipped with this product.

This device is to be installed by a trained electrician who is

thoroughly familiar with the National Electrical Code and/or

Canadian Electrical Code and will follow the NEC and/or CEC

Guidelines as well as all local codes. This beacon should be

considered a part of the warning system and not the entire warning

system.

The selection of the mounting location for the beacon, its controls

and the routing of the wiring are to be accomplished under the

direction of the facilities engineer and the safety engineer. In

addition, listed below are some other important safety instructions

and precautions you should follow:

• Read and understand all instructions before installing or

operating this beacon.

• Never alter the beacon in any manner. Safety in hazardous

locations may be endangered if additional openings or other

alterations are made to units specically designed for use in

these locations.

• Do not connect this beacon to the system when power is on.

• After installation, ensure that the set screw is properly

tightened and that threaded joints are fully engaged.

• After installation, test the beacon to ensure that it is operating

properly.

• After testing is complete, provide a copy of this instruction

booklet to all operating personnel.

• Establish a procedure to routinely check the light installation

for integrity and proper operation.

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Failure to follow all safety precautions and instructions may result

in property damage, serious injury, or death.

An Overview of the 151XST Series

Federal Signal’s Model 151XST hazardous location strobe light

provides 80 high-intensity ashes per minute. This warning light is

available in 12-24 Vdc, 120 Vac and 240 Vac, 50/60 Hz.

The Model 151XST strobe light is UL Listed and CSA Certied

for Class I, Division 2, Groups A, B, C and D; Class II, Division 1,

Groups E, F and G; and Class III.

The 151XST meets Type 4X water-tight, dust-tight, and corrosion-

resistant requirements; constructed to IP66. This hazardous

location warning light has an aluminum base, coated for corrosion

resistance that is ready for mounting on a 3/4-inch NPT pipe.

The included dome guard ts over the glass dome to protect it

against accidental collision with moving equipment, such as

forklifts. An optional wall bracket is also available.

The 151XST has an effective candela (ECP) of 165 and a 520,000

peak candela. It is available in six dome colors, including amber,

blue, clear, green and red (magenta upon request).

Federal Signal’s rugged 151XST strobe warning light is

specically designed for hazardous locations or corrosive

environments where a very bright visual signal is required.

This warning light can be used for plant evacuation or other

communication needs.

Models are available for pipe mounting (151XST) or surface

mounting (151XST-S).

NOTE: The Model 151XST can be mounted to a Federal

Signal Model LHWB bracket. If installed in this way, the entire

assembled device is suitable only for Class I, Div. 2, Groups A, B,

C, and D; Class II, Div. 2, Groups F and G; Class III locations.

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Unpacking the Light

EXPLOSION HAZARD—Damaged domes can lead to

explosions that could result in serious injury or death.

After unpacking the beacon, examine it for damage that may

have occurred in transit. If the beacon has been damaged, do not

attempt to install or operate it. File a claim immediately with

the carrier, stating the extent of the damage. Carefully check all

envelopes, shipping labels, and tags before removing or discarding

them. Disposal of all shipping materials must be carried out in

accordance with national and local codes and standards. If any

parts are missing, please call Federal Signal Customer Support at

708-534-4756 or 877-289-3246.

Table 1 Specications

Lamp Life: 10,000 hours

Light Source: Strobe tube

Operating

Temperature:

-67 °F to 150 °F

(-55 °C to 65.6 °C)

Net Weight: 3.8 lb (1.7 kg)

Shipping Weight: 4.5 lb (2.0 kg)

Height: 9.25 in (234.95 mm)

Diameter: 5.5 in (139.7 mm)

Table 2 Voltage and operating current

Model Voltage Operating

Current

151XST(-S) 012-024__ 12-24 Vdc 1.3 A to 0.60 A

151XST(-S)-120__ 120 Vac, 50/60 Hz 0.35 A

151XST(-S)-240__ 240 Vac, 50/60 Hz 0.16 A

__ Indicates color: (A) amber, (B) blue, (C) clear, (G) green, (M) magenta

or (R) red.

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Table 3 Flash rate and candelas

Model Flash Rate

per Minute

Candela

Peak1ECP2

151XST(-S) 012-024__ 80 520,000 165

151XST(-S)-120__ 80 520,000 165

151XST(-S)-240__ 80 520,000 165

__ Indicates color: (A) amber, (B) blue, (C) clear, (G) green,

(M) magenta or (R) red.

1Peak candela is the maximum light intensity generated

by a ashing light during its light phase.

2ECP (Effective Candela) is the intensity that would appear

to an observer if the light were burning steadily.

Table 4 Hazardous Location Rating

Temperature Code at Maximum Temperature, °C

Hazardous Location 66 ºC

Class I, Div 2, Groups A, B, C & D T1/301º

Class II, Div 1, Groups E, F & G T5/100º

Class III T5/100º

To reduce the risk of re or explosion, do not install the beacon

in a hazardous location if the operating temperature exceeds the

ignition temperature of hazardous atmosphere.

Before proceeding, use Table 4 above as a guide and determine

that the unit’s operating temperature DOES NOT exceed the

hazardous atmosphere’s ignition temperature.

For marine applications, all wiring including supply wire must be

stranded wire and meet the USCG (CFR46) Sections (110-113).

NOTE: In high-humidity environments when units are mounted

dome down, condensation may occur in the conduit system. Use

properly rated conduit seals/drains to prevent moisture from

entering the xture.

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Pipe-Mounting the Beacon (151XST)

EXPLOSION HAZARD—To reduce the risk of re or explosion,

do not install the beacon in a hazardous location if the

operating temperature exceeds the hazardous atmosphere’s

ignition temperature. Before proceeding, consult the product

nameplate and determine the operating temperature of the

beacon.

NOTE: To comply with NEC Section 300-14, which requires a

minimum of 6 inches (15.25 cm) of free conductor at a junction,

when mounting the Model 151XST, the mounting pipe used to join

the unit to a splice box should be no longer than 10 in (25.4 cm).

The Model 151XST has provisions for mounting a 3/4" pipe and

can be mounted in any position.

1. Before mounting the beacon, ensure that the mating threads

are clean.

2. To prevent the ingress of water and dust, apply conductive

sealant to the conduit threads prior to mounting. If non-

conductive sealant is used, the enclosure must be earthed

via the provided internal grounding wire/grounding screw to

ensure proper grounding continuity (Figure 3 on page 13).

3. See Figure 1 on page 10. Thread the xture onto the 3/4-inch

pipe and secure it with the set screw.

Installation and Maintenance Instructions

Models 151XST and 151XST-S

Figure 1 Pipe-mounted beacon

151XST LIGHT

ASSEMBLY

SET SCREW

3/4" NPT PIPE

290A6904

Surface-Mounting the Beacon (151XST-S)

To surface mount the beacon:

1. See Figure 2. Use the mounting base as a template to mark the

location of the two mounting holes.

2. Drill a 9/32-inch (7.143 mm) hole at each mark.

3. Secure the beacon to the mounting surface with installer

supplied hardware.

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