wheelock STH-4R24MCCH-NR Service Manual

Series STH Cluster Speakers with MCCH Strobe
STH-4R24MCCH-NR
Description:
The Wheelock Series STH Cluster Speaker with MCCH Multi­Candela Strobe is designed for indoor ceiling mounting in high ambient noise environments. It is available with 2, 3 or 4 speakers for wide area coverage. The Cluster Speaker Strobe is supplied with STH-15SR, UL1480 Listed horns and one RSS­24MCCH, UL1971 Listed ceiling strobe mounted to a NEMA 1 steel enclosure. The strobe is synchronizable. The Series STH Cluster Speaker with MCCH Strobe come fully assembled.
STH-4R24MCCH
Supplied with four STH-15SR horns and one
RSS-24MCCH Strobe. The strobe plate has the following optioins:
-Red with no lettering
-Red with FIRE lettering
-White with no lettering
-White with FIRE lettering
STH-3R24MCCH
Supplied with three STH-15SR horns and one
RSS-24MCCH Strobe. The strobe plate has the following options:
-Red with no lettering
-Red with FIRE lettering
-White with no lettering
-White with FIRE lettering
STH-2R24MCCH
Supplied with two STH-15SR horns and one
RSS-24MCCH Strobe. The strobe plate has the following options:
-Red with no lettering
-Red with FIRE lettering
STH-90-R24MCCH-NR
Supplied with two STH-15SR horns and one
RSS-24MCCH Strobe, designed for corner mount. The strobe plate has the following options:
-Red with no lettering
-Red with FIRE lettering
Features for all Cluster Speaker Models:
STH-15SR Speakers are UL Standard 1480 Listed.
RSS-24MCCH Strobes are UL Standard 1971 Listed
Compliant with ADA, OSHA 1910.165, ANSI 117.1, NFPA 72, NFPA 101, and IFC
Cluster and Strobe wiring can be monitored for integrity by the Control Panel
Cluster Speaker Strobes come fully assembled
High efficiency unit for fire life safety and/or general
communication announcing/notification
Provides high-intelligibility voice reproduction and high intensity visual alerting for emergency life safety applications, alarm and protective signaling
Speakers and Strobes are prefabricated to a 10” x 10” x 6” NEMA 1 steel enclosure for indoor use.
Mounts to ceiling
Only 1 pair of wires needed for audio connections
Strobes are connected to the NAC Strobe Circuit and are select­able 115 or 177 cd
Each individual STH-15SR horn is capable of delivering up to 102 dB at 15 watts at 10 feet
Omni-direction
Conduit knockouts for ½” or ¾” coupling
Labor Saving
Applications for Series Cluster Speaker Strobes:
Designed for use in Manufacturing Plants, and Factories with high ambient noise levels and for UL Required Fire Life Safety Applica­tions.
Hazard warning/alerting
Industrial audible and visual signaling
Process control area notification
Warning lights
Security alert indication
Emergency notification
Employee notification
Architects and Engineers Specifications
The Cluster Speaker Strobe shall be the Series STH with MCCH Strobe or approved equal. The cluster speaker strobe shall be designed for indoor ceiling mounting for high ambient noise environments. The speaker strobe shall be supplied with UL Standard 1480 listed horn(s) and one UL Standard 1971 listed ceiling strobe mounted to a NEMA 1 steel enclosure. The strobe shall be a selectable 115 or 177 candela synchronizable strobe. The Cluster Speaker and Strobe shall be fully assembled. The Cluster Speaker and Strobe shall be capable of use for UL Required Fire Life Safety applications. The Cluster Speaker and strobe wiring shall be able to be monitored for integrity by the Control Panel.
The Series STH Cluster Speaker with MCCH Strobe shall comply with NFPA 72, NFPA 101, OSHA 1910.165, ANSI 117.1, ADA, and IFC.
The speaker horns shall measure 7.87”W x 8.75”H x 9.32”D each and shall be prefabricated on the sides of a 10” x 10” x 6” steel enclosure. The Strobe shall be a high intensity selectable 115 or 177 candela ceiling strobe with a current draw of 0.195 amps for 115cd @ 24 VDC or 0.270 amps for 177 cd @ 24VDC, and shall be prefabricated on the bottom of the steel enclosure.
Mounting of the Cluster Speaker Strobe shall be accomplished by using pre-drilled holes in the enclosure or by drilling new holes in order to be compatible with other mounting conditions.
STH-15SR Horn Loudspeakers
UL Standard 1480 Listed
Supervised weather proof horn speaker
Up to 15 watts RMS of power handling capability
Superior intelligibility and sound dispersion
Built-in 25/70 Volt transformer w/screwdriver adjustable watt­age tape selector
Frequency Response: 400 – 14,000 Hz
Power taps: 25 Volts: .48, .94, 1.8, 7.5, and 15
70 Volts: .9, 1.8, 3.8, 7.5, and 15
Swivel mounted for easy angle adjustment
Refer to Data Sheet S0100 for detailed specs on horn
RSS-24MCCH Strobe
UL Standard 1971 Listed
High intensity selectable115 or 177 candela ceiling strobe
Factory setting is 177 candela
Synchronizable when used with SM/DSM or Wheelock PS-24­ 8MC Power Supply or Wheelock’s SAFEPATH or SAFEPATH4
24 VDC input voltage
2-Wire connection
Current draw @ 24 VDC: 115cd - 0.195
177cd - 0.270
Strobes produce 1 flash per second over the
regulated voltage range
Refer to Data Sheet S0410 for detailed strobe specs
Specifications and Ordering Information*
Model Number Order Code Description Strobe Plate
STH-4R24MCCH-NR 3089
STH-4R24MCCH-FR 3090 Red with FIRE lettering
STH-4R24MCCH-NW 0239 White with no lettering
STH-4R24MCCH-FW 0235 White with FIRE lettering
STH-3R24MCCH-NR 3144
STH-3R24MCCH-FR 3145 Red with FIRE lettering
STH-3R24MCCH-NW 0238 White with no lettering
STH-3R24MCCH-FW 0234 White with FIRE lettering
STH-2R24MCCH-NR 3146
STH-2R24MCCH-FR 3143 Red with FIRE lettering
STH-90-R24MCCH-NR 3227
STH-90-R24MCCH-FR 0522 Red with FIRE lettering
*The Series Cluster Speakers with RSS Strobe are a special order.
Supervised Speaker Strobe supplied with four STH-15SR horns and one RSS-24MCCH ceiling strobe mounted to a NEMA 1 steel enclosure.
Supervised Speaker Strobe supplied with three STH-15SR horns and one RSS-24MCCH ceiling strobe mounted to a NEMA 1 steel enclosure.
Supervised Speaker Strobe supplied with two STH-15SR horns and one RSS-24MCCH ceiling strobe mounted to a NEMA 1 steel enclosure.
Supervised Speaker Strobe supplied with two STH-15SR horns mounted adjacent to each other, designed for a corner mount configuration and one RSS-24MCCH ceiling strobe mounted to a NEMA 1 steel enclosure.
Red with no lettering
Red with no lettering
Red with no lettering
Red with no lettering
273 Branchport Avenue Long Branch, NJ 07740 Phone: (800) 631-2148 Fax: (732) 222-2588 www.cooperwheelock.com
WE ENCOURAGE AND SUPPORT NICET CERTIFICATION
3 YEAR WARRANTY
Made in USA
S9009 STH RSS 06/06
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