Harrington Signal SPHX-DVSMR User Manual

Commercial Products Group

document rev

2519-4th Ave, Moline, IL61265

800.521.8219 : 800.225.4109

www.cpglifesafety.com

INSTRUCTION SHEET

SPHXSPHX

SPHX

SPHXSPHX

POWERTONE® EXPLOSION-PROOF SPEAKERPOWERTONE® EXPLOSION-PROOF SPEAKER

POWERTONE® EXPLOSION-PROOF SPEAKER

POWERTONE® EXPLOSION-PROOF SPEAKERPOWERTONE® EXPLOSION-PROOF SPEAKER

256883 0209

B

SAFETY MESSAGE TO INSTALLERS

People’s lives depend on your safe installation of our products. It
is important to read, understand and follow all instructions shipped with
this product.

Selection of mounting location for this device, its controls and
routing of wiring should be made by the Facilities Engineer and the Safety
Engineer. Listed below are some other important safety instructions and
precautions you should follow:

• This unit must be installed by a qualified electrician in
accordance with NFPA 72, and National and local Elec­trical and Fire Codes, under the direction of the authority
having jurisdiction.

• Do not connect this unit to system wiring when circuits
are energized.

• For optimum sound distribution do not install this device
where objects would block any portion of front of speaker.

• All effective warning speakers produce loud sounds
which, in certain circumstances, may cause permanent
hearing loss. Take appropriate precautions such as
wearing hearing protection. Recommendations in OSHA
Sound Level Standard (29 CFR 1910) should not be
exceeded.

• After installation, ensure that all bolts and threaded joints
are tightened.

• After installation and completion of initial system test, a
program for periodic testing of this device must be
established. Refer to NFPA 72, local Fire Codes and the
authority having jurisdiction for this information.

Operating 25 Vrms or 70 Vrms
Voltage

Power Input 0.5 W, 1 W, 2 W, 7 W and 15 W
(selectable)

Weight 15 lb. (6.8 kg)
(approx.)

Size 14.75" (375mm) long, 14.75" (375mm)

Construction Aluminum enclosure and adjustable

Approval Agency Listings:

Underwriters Laboratories Inc.

File E190743 (Guide UGKZ) Listed as a
HAZARDOUS LOCATION FIRE PROTEC-

TIVE SIGNALING SPEAKER.
California State Fire Marshal—7135-1517:101
New York City—(Listing is pending.)
Canadian Standards Association—(Listing is pending.)

Audibility information is shown in table 1.

C. INSTALLATION.

1.

Unpacking.

damage that may have occurred in transit. If equipment has been
damaged, immediately file a claim with carrier stating extent of damage.
Carefully check all shipping labels and tags for special instructions
before removing or destroying them.

After unpacking the speaker, examine it carefully for possible

high, 8.875" (225mm) wide.

steel mounting bracket painted with
red enamel.

• After installation and completion of initial system test
provide a copy of this instruction sheet to all personnel
responsible for operation, periodic testing and mainte­nance of this equipment.

Failure to follow all safety precautions and instructions may result

in property damage, serious injury, or death to you and others.

A. GENERAL.

The PowerTone Model SPHX is a 25 Vrms and 70 Vrms, indoor/
outdoor, selectable power output (0.5 to 15 watts), hazardous location
loudspeaker for use with fire alarm signalling systems such as CPG’s
PowerTone system. This model is suitable for use in NEC Class I,
Groups B, C, & D hazardous locations; and in areas with high ambient
noise levels. It is designed to reproduce electronically generated
warning tones, which command rapid recognition, and full range voice
communication. The speaker is equipped with a blocking capacitor to
allow use in supervised alarm systems. An adjustable mounting bracket
is provided to allow positioning for desired sound coverage.

B. SPECIFICATIONS.

2.

Mounting Arrangements.

Conduit connection can be made to 1/2" threaded opening at bottom of
housing (see Figure 1).

POWER INITIAL SOUND UL SOUND LEVEL SOUND POWER
TA P LEVEL @ 10' dB(A) LEVEL @ 10' dB(A) dB(A)

0.5watt 89.6 87 104.2
1 watt 92.2 90 106.8
2 watt 95.0 93 109.6
7 watt 99.6 99 114.2
15 watt 102.2 99 116.8

The speaker can be mounted on any relatively flat surface.

WARNING

Property damage, serious injury, or death could occur if an
accumulation of water, snow, dust,etc. resides in the speaker
projector, severely reducing or preventing operation of this
device.Mount the unit so speaker projector is pointed horizon­tally or slightly downward.

a. Remove the two 1/2-13 hex head bolts, flat washers and

(before rounding) (after rounding)

Table 1. Power Tap Setting vs. Sound Output on

Model SPHX.

- 1 -

lockwashers that secure mounting bracket to unit.

b. Select mounting location.

WARNING

256883

SPHX Instruction Sheet

speaker so as to obtain desired sound coverage then tighten these bolts
securely.

h. Before reinstalling the housing cover, read paragraph

C.3. Electrical Connections below and make necessary connections.

Property damage, serious injury, or death could occur if any

objects are in front of speaker, severely reducing optimum

sound distribution. For maximum effectiveness, ensure that

the front of the speaker is clear of obstructions.

c. Using the mounting bracket as a template, scribe drill
position marks on the mounting surface. See figure 1 for mounting hole
locations and dimensions.

CAUTION

Before drilling holes in any surface, be sure both sides of
surface are clear of anything that could be damaged.

d. Drill holes at the previously scribed drill position marks
to accommodate 1/2" diameter bolts.

e. Secure bracket to mounting surface with 1/2" diameter
hex head bolts, lockwashers and hex nuts.

f. Remove eight 5/16-18 x 1-3/4" hex head bolts,
lockwashers and hex nuts that secure cover to housing and carefully
lift off cover.

WARNING

Property damage, serious injury, or death could occur if the
machined sealing surfaces are damaged on this product. To
maintain effectiveness of explosion-proof enclosure, be care­ful to avoid damaging the machined sealing surfaces of cover
and housing.

g. Reattach unit to its mounting bracket with two 1/2-13 hex
head bolts, flat washers and lockwashers previously removed. Position

3.

Electrical Connections.

DANGER

To avoid electrical shock, do not connect wires when circuits
are energized.

followed during installation of these models. All electrical wiring must be
routed through conduit and fittings approved for explosion-proof instal­lations.

terminal and positive (+) leads to desired wattage terminal (see figures
2 and 3).

or 70 V terminal as appropriate, see Figure 3.

National Electrical Code, as well as local codes, must be

WARNING

Property damage, serious injury, or death could occur if
suitable barriers are not provided for explosive gases and
other atmospheres. To reduce the possibility of explosion
when this unit is used in Class I, Group B atmospheres, the
conduit MUST have a sealing fitting within 18-inches of
enclosure. Be sure to refer to the National Electrical Code or
the authorities having jurisdiction in the area.

a. Connect audio leads, common leads (-) to common

WARNING

An uninsulated section of a single conductor must NOT be
looped around a terminal and used as two separate connec­tions. NFPA 72 requires that the wire is severed to provide
electrical supervision of the connection.

b. Connect green or red lead found in the speaker to 25 V

C

B

E

PIPE

THREAD

D

I DIA.

3 HOLES

A

HH

G

F

A B C D E F G H I

14.75 in. 14.75 in. 8.312 in. 0.500 in. 8.375 in. 8.875 in. 4.500 in. 2.500 in. 0.531 in.

37.5 cm. 37.5 cm. 21.1 cm. 12 mm. 21.3 cm. 22.5 cm. 11.4 cm. 6.35 cm. 13 mm.

Figure 1. Model SPHX Speaker Dimensions.

- 2 -

290A2627-01