2-1
Chapter 2 - Overview and Features
Section 2-1- Description
General
The Single Circuit SAFEPATH
®
Panel is a stand alone, single channel, supervised audio fire and
emergency evacuation system. Figure 2-1 on Page 2-2 illustrates the basic capabilities of the Single
Circuit SAFEPATH
Panel.
The control panel that activates the Single Circuit SAFEPATH
Panel can range from simple push
buttons to a sophisticated computer based control panel providing dry contact closures.
The SAFEPATH
Panel does
not
sense an emergency condition or hazards such as fire; it is only a part
of a system that does sense such conditions. The SAFEPATH
Panel, when activated, provides a pre-
recorded tone and/or voice message(s) to notification appliances. When used as part of a protective
signaling system, the SAFEPATH
Panel must be properly connected to a compatible control panel that
has been approved by a nationally recognized testing laboratory ("LISTED") and to LISTED compatible
notification appliances for proper operation.
THE
SAFEPATH
PANEL MUST BE PROPERLY INSTALLED, PROGRAMMED, AND CONNECTED
TO A COMPATIBLE FIRE ALARM CONTROL PANEL TO FUNCTION IN A VOICE EVACUATION
SYSTEM.
WHEELOCK EXPRESSLY DISCLAIMS ALL LIABILITY FOR THE CONTENT, CLARITY AND
LANGUAGES OF, AND OUTPUT CHANNEL AND PRIORITY LEVEL ASSIGNED TO, ANY AND ALL
MESSAGES. IT IS ESSENTIAL THAT YOU HAVE MESSAGE CONTENT AND LANGUAGE,
SEQUENCE, OUTPUT CHANNEL AND PRIORITY ASSIGNMENTS REVIEWED AND APPROVED BY
QUALIFIED LEGAL AND SAFETY ADVISORS, QUALIFIED REPRESENTATIVE(S) OF OWNER(S)
AND USER(S), AND AUTHORITIES HAVING JURISDICTION.
Standard Features
• One zone of audio and strobe NAC outputs.
• Multiple contact closure inputs
• A hand held, push-to-talk microphone (PTT) for live, emergency voice announcements and
instructions. The microphone overrides (mutes) any voice message or tones in progress.
• A multi-tone tone generator with 8 field selectable sounds for an optional evacuation signal.
• Visual NAC circuit of up to 2 amps at 24VDC. The visual NAC circuit may be selected to be
compatible with Wheelock, Inc. synchronized or non-synchronized visual notification appliances.
• Supervised Audio Amplifier module (SAA-40S, or 80S/SE) power 25, 70.7 or 100-volt speakers, or
Line Level Audio Amplifier (SALL-15S) to drive external power amplifiers and/or self-amplified
speakers.
• Digital Voice Module (MDX-2) with a Standard Message Kit (SMK) containing 8 standard messages
• Full supervision with on-board diagnostics and trouble reporting circuits for:
• Audio NAC circuit wiring open and short conditions
• Ground Fault detection
• Strobe NAC circuit wiring open and short conditions
• Self Amplified power output circuit wiring open and short conditions
• Microphone open condition
• Amplifier operation
• Selected evacuation signal
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