Wheelock SAFEPATH SCSP-15SP Installation, Testing, Operation And Maintenance Manual

Single circuit safepath systems
Table of Contents

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273 Branchport Avenue, Long Branch, NJ 07740-6899 Ph: (732) 222-6880 Fax: (732) 222-2588
Toll Free 800-631-2148 Web Site: www.wheelockinc.com E-Mail: info@wheelockinc.com
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A83637 Revision B

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Summary of Contents for Wheelock SAFEPATH SCSP-15SP

  • Page 1 SAFEPATH P83167 REV B AMBER GREEN TRB AUD ® SAFEPATH TRB COM TRB NO TRB NC ALARM COM ALARM NO ALARM NC DV POWER Installation, Testing, Operation, DV STATUS CH PLAY LINE OUT and Maintenance Manual LINE IN RM AUDIO RM TXD RM RXD RM POWER...
  • Page 2 Intentionally Blank...
  • Page 3: Typographical Notation Conventions

    PRODUCT'S APPLICATION, OPERATION, INSTALLATION AND TESTING IS USED AT THE SOLE RISK OF THE USER AND WHEELOCK WILL NOT HAVE ANY LIABILITY FOR SUCH USE. Certain information contained in this manual has been extracted from the NFPA 72 Manual (1999 Edition) and the Life Safety Code 101™...
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  • Page 5: Table Of Contents

    TABLE OF CONTENTS Typographical Notation Conventions…………………………………………………………… iii Table of Contents…………………………………………………………………………………. v Table of Figures…………………………………………………………………………………… vii Table of Tables……………………………………………………………………………………. ix Chapter 1 – Safety Precautions…………………………………………………………………. 1-1 Section 1-1 – Read This Manual…………………………………………………………. 1-1 Section 1-2 – Operational Safety………………………………………………………… 1-1 Section 1-3 – Compliance with Applicable Codes, Regulations, Laws, Standards, And Guidelines…………………………………………………………….
  • Page 6 Section 5-2 – To Make Live Announcements………………………………………….. 5-1 Section 5-3 – To Sound Evacuation Tone……………………………………………… 5-1 Section 5-4 – To Reset Visual Appliances……………………………………………… 5-2 Section 5-5 – To Acknowledge a Trouble Condition………………………………….. 5-2 Chapter 6 – Periodic Testing and Maintenance………………………………………………. 6-1 Section 6-1 –...
  • Page 7 List of Figures ® Figure 2-1 Basic Capabilities of the Single Circuit SAFEPATH Panel………………………... 2-2 ® Figure 2-2 Module Layout of a Typical Single Circuit SAFEPATH Panel………………… 2-5 Figure 3-1 Location of Plug-in Modules and Wire Connections……………………………… 3-2 Figure 3-2 Strobe and Audio Output Connections……………………………………………. 3-3 Figure 3-3 Wiring Diagram for Visual Notification Appliance Output…………………………...
  • Page 8 Figure 9-6 Supervised Audio System Amplifier/Signal Circuit Module, 80 Watts (SAA-80S/SE)………………………………………………………………………… 9-12 Figure 9-7 Supervised Audio Line Level Module (SALL-15S)………………………………. 9-14 Figure 9-8 Notification Appliance Circuit Interface Module (NACIM)………………………… 9-15 Figure 9-9 4-Zone Splitter Module (SC-SPL)…………………………………………………. 9-16 Figure 9-10 Auxiliary Input Module (AIM-3)……………………………………………………. 9-18 Figure 9-11 Remote Microphone Station (RMS-2)…………………………………………….
  • Page 9 Table 3-5 Standby Current for Single Circuit SAFEPATH Amplifier Modules……………. 3-21 Table 3-6 Calculations for Amplifier Alarm Current………………………………..…………. 3-22 Table 3-7 Average Current Output Measured by Wheelock, Inc……………….…………… 3-22 Table 4-1 Alarm Conditions and Results……………………………………………………….. 4-3 Table 6-1 Miscellaneous Hardware Tests………………………………………..……………. 6-1 Table 7-1 Module Trouble Procedure Cross Reference………………………………………...
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  • Page 11: Chapter 1 - Safety Precautions

    Chapter 1 - Safety Precautions Section 1-1 - Read This Manual Personnel properly qualified in the application and use of life safety equipment ("qualified personnel") shall read this manual carefully before performing any actions to specify, apply, install, maintain and ®...
  • Page 12: Section 1-3 - Compliance With Applicable Codes, Regulations, Laws, Standards

    ® Notification equipment cannot last forever. Even though SAFEPATH Panel is expected to last up to ten years, any of its parts or components could fail before then. Therefore testing of the entire protective ® signaling system, including the SAFEPATH Panel, all notification equipment, as well as all messages and their output channel, and priority assignment, shall be conducted at least twice each year, or more often as required by local, state and federal codes, regulations and laws, by qualified personnel.
  • Page 13: Section 1-5 - Audio Output Considerations

    Before specifying, installing, operating, testing, maintaining or servicing a system, carefully read the installation, operation and testing manual for each piece of equipment and applicable codes. Additional copies of this manual may be obtained from: Wheelock, Inc. 273 Branchport Ave. Long Branch, N.J. 07740 Tel:...
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  • Page 15: Chapter 2 - Overview And Features

    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.
  • Page 16: Section 2-2 - Enclosure And Configuration

    • Optional remote microphone station • Digital Voice Module (MDX-2) • Alarm input activation wiring • Input voltage/low battery • Built-in audible alert indicates any supervision loss • Auxiliary trouble output for trouble signal connection • Remote reporting via output contacts for system trouble or alarm activation. •...
  • Page 17: Section 2-4 - Module Configurations

    Section 2-4 - Module Configurations ® The Single Circuit SAFEPATH Panel is equipped with a combination of the following modules:  There are ten modules in the Single Circuit SAFEPATH Panel product line. The ten modules are: SCMB (Single Circuit Motherboard) DCPS (Power Supply/Battery Charger) SAA-40S (40 Watt, Supervised Audio Amplifier Module with 2 Amps of strobe current) SAA-80S/SE* (80 Watt, Supervised Audio Amplifier Module with 2 Amps of strobe current)
  • Page 18: Section 2-7 - Operation Modes

    Section 2-7 - Operation Modes ® The SAFEPATH Panel has two operation modes: 1. Standby 2. Alarm Standby Mode ® Standby is the normal mode. The SAFEPATH Panel supervises the connections and internal components to maintain proper operation. All strobes and speaker appliances are off. Alarm Mode Alarm mode occurs when an emergency signal is initiated manually, or by the FACP or control equipment.
  • Page 19: Figure 2-2 Module Layout Of A Typical Single Circuit Safepath

    Digital Voice Amplifier Module MDX-2 SAA-40S, 80S, 80SE SALL-15S MOTHER BOARD (SCMB) SAFEPATH P83167 REV B AMBER GREEN SMP7PM 16 R D 2 D 1 MICROPHONE Power Supply/ ZONE SELECT LED'S Battery Charger ZONE 1 ZONE 4 ZONE 2 ZONE 3 CALL ZONE 1 OPERATION:...
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  • Page 21: Chapter 3 - Installation And Setup

    Chapter 3 - Installation and Setup Section 3-1 - Introduction ® The lives of people depend upon the safe and proper installation of the SAFEPATH Panel. Please read, understand and carefully follow the specific installation instructions set forth below to avoid damage to the ®...
  • Page 22: Section 3-3 - General Installation Instructions

    Amplifier Connector Digital Voice Module MDX-2 TRB AUD SECTION 2 TRB COM STATUS AND TROUBLE TRB NO CONNECTIONS TRB NC ALARM COM ALARM NO SECTION 1 ALARM NC INPUT CONNECTIONS SAFEPATH P83167 REV B AMBER GREEN TRB AUD TRB COM TRB NO TRB NC ALARM COM...
  • Page 23 Connect conduit fittings or bushings as needed through the knockouts provided on the top and ® bottom of the SAFEPATH Panel. Field Wiring Connections Install field wiring in conduit when required, following the most current National Electrical Code (NFPA-70) and local codes for the type of system being installed. Make all necessary connections at any additional wiring or junction boxes.
  • Page 24: Section 3-4 - Prepare A System Wiring Diagram

    Panel in accordance with each Installation Sheet. 5. If the Strobe NAC Circuit is not being used connect a Wheelock, Inc. LISTED 10K Ohm, 1W EOLR to the terminals on the Mother Board. 6. If Ground Fault Detection is required, connect and align according to Section 3-7 Ground Fault Detection Sensitivity Adjustment.
  • Page 25: Figure 3-3 Wiring Diagram For Visual Notification Appliance Output

    Each amplifier module contains the required number for the supervised outputs. If more are needed, recommend using Wheelock, Inc. End of Line Resistor Kit (Model Number EOLK, Part# 5076), which contains Eight (8) UL LISTED 10K Ohm 1W resistors.
  • Page 26 UL LISTED 10K Ohm STROBE 1W EOLR UL LISTED 10K Ohm AUDIO 1W EOLR Figure 3-4 Wiring Diagram for Combination Audio/Visual Notification Appliances in Central Amplifier Applications CAUTION: Do not loop wire under terminals. Break wire run to provide supervision of connection.
  • Page 27: Figure 3-6 Wiring Diagram For Audio Notification Appliance Output

    Ohm, 1W EOLR across the output terminals. Each amplifier module contains the required number for the supervised outputs. If more are needed, recommend using Wheelock, Inc. End of Line Resistor Kit (Model Number EOLK, Part# 5076), which contains Eight (8) UL LISTED 10K Ohm 1W resistors.
  • Page 28: Figure 3-9 Wiring Diagram For Combination Audio/Visual Notification Appliances In

    Wiring Diagrams for Audio and SPK AMP Portions of Self-Amplified Audio/Visual Notification Appliances UL LISTED 10K Ohm SPKR 1W EOLR UL LISTED 10K Ohm AUDIO 1W EOLR Figure 3-8 Wiring Diagram for Audio Notification Appliances in Amplified Speaker Applications CAUTION: Do not loop wire under terminals. Break wire run to provide supervision of connection SPKR UL LISTED 10K Ohm...
  • Page 29: Figure 3-10 Wiring Connection Locations

    INTERNAL WIRING CONNECTIONS Amplifier Connector Digital Voice Module MDX-2 TRB AUD SECTION 2 TRB COM STATUS AND TROUBLE TRB NO CONNECTIONS TRB NC ALARM COM ALARM NO SECTION 1 ALARM NC INPUT SAFEPATH P83167 REV B CONNECTIONS AMBER GREEN TRB AUD TRB COM TRB NO TRB NC...
  • Page 30: Figure 3-11 Dry Contact Input Connections

    Digital Voice Module MDX-2 Figure 3-11 Dry Contact Input Connections ALARM STATUS OUTPUT CONTACT WIRING Motherboard (SCMB) TRB AUD TRB COM TRB NO TRB NC ALARM COM ALARM NO ALARM NC Figure 3-12 Alarm and Trouble Status Output Connections The location of the Alarm Status output connections are shown in Figure 3-10 Section 2 on Page 3- 10.
  • Page 31: Figure 3-13 Alarm Relay Contacts

    ALARM COM ALARM NO ALARM NC Figure 3-13 Alarm Relay Contacts System Trouble Status Output Contact Wiring The location of the Trouble Status output connections are shown in Figure 3-10 Section 2 on Page 3- 10. A magnified view of this area on the Mother Board is shown in Figure 3-12 on Page 3-11. •...
  • Page 32: Figure 3-15 Trouble Audible Connection

    TRBL AUDIO 24VDC GRND Figure 3-15 Trouble Audible Connection Ground Fault Detection Wiring On the Mother Board, connect Earth Ground Connection (E1) as shown on Figure 3-1 on Page 3-2 to the Chassis Ground (Figure 3-17 on Page 3-15). Make sure that chassis ground is at earth ground or to the common ground of the FACP.
  • Page 33: Section 3-5 - Mounting

    Digital Voice Module MDX-2 SAFEPATH P83167 REV B AMBER GREEN SMP7PM D 2 D 1 MICROPHONE Power Supply/ TWO BLACK LEADS Battery Charger TWO WHITE LEADS DCPS 120VAC 60Hz, 2.3A 24VDC BATTERY CONNECTION Figure 3-16 Input Power and Battery Connection Locations Section 3-5 - Mounting Location ®...
  • Page 34 Procedure ® 1. See Figure 3-17 on Page 3-15 for SAFEPATH Panel mounting hole layout. 2. Remove Amplifier Module from the enclosure. 3. Mark and drill mounting holes for appropriate screws and anchors to ensure secure mounting to the type of surface at the selected location. ®...
  • Page 35: Section 3-6 System Checkout

    Section 3-6 System Checkout Refer to NFPA 72 (1999 Edition) for guidelines on testing notification systems. CAUTION: If a malfunction, or system trouble occurs during testing, STOP TESTING. Correct the problem before you resume testing. ® Insure that speaker and strobe NAC Circuits are not connected to the SAFEPATH Panel, and that 10K Ohm ¼W EOLR test resistors are connected in their place on the Mother Board.
  • Page 36: Figure 3-18 Configuration Dip Switch Location On Scmb Module

    Final Checkout CAUTION: If a malfunction, or system trouble occurs during testing, STOP TESTING. Correct the problem before you resume testing. CAUTION: Connect the AC power source before connecting the battery backup power. Disconnect the battery backup power before disconnecting the AC power source. 1.
  • Page 37: Table 3-1 Scmb Dip Switch Setting Description

    SAFEPATH Panel. SW5 Position 3, SYNCHRONIZED STROBES ENABLE. “ON” enables Strobe NAC (SYNC) to work with Wheelock’s synchronized strobes. REMOTE MICROPHONE ENABLE. “ON” enables optional Remote Microphone Station. “OFF” disables Remote Microphone Station SW5 Position 4, (RM circuit.
  • Page 38: Section 3-7 - Ground Fault Detection Sensitivity Adjustment

    LED D13 (AUDIO) “OFF” LED D10 (PWR) “OFF” LED D3 (AMP) “OFF” 4. Play each messages by momentarily shorting IN1 through IN8 in turn on Digital Voice Module. See Figure 3-11 on Page 3-11. Relay on SCMB clicks at 1 click per second during the playing of each message. Message will broadcast on all appliance circuits.
  • Page 39: Section 3-8 - Battery Care And Backup Battery Calculations

    3. Rotate the shaft of the Ground Fault Detection Sensitivity potentiometer (R53) fully counterclockwise. (See Figure 9-2 on Page 9-5 for location) The potentiometer is a 12-turn device, there will be need to rotate the shaft repeatedly. The potentiometer produces a clicking sound when rotated beyond its end point.
  • Page 40: Standby Current

    Calculating Backup Battery Requirements A battery calculation worksheet is available at the back of this manual for assisting in calculating battery backup. It is necessary to calculate the current draw for battery backup requirements, The current requirements depend on the system configuration and the optional modules installed. Battery Backup current has two separate calculations that are added together.
  • Page 41: Table 3-4 Standby And Alarm Current For Single Circuit Safepath ® Modules

    Table 3-4 Standby and Alarm Current for Single Circuit ® SAFEPATH Modules  Standby Current Alarm Current SAFEPATH Module SCSP 0.150 0.150 MDX-2 0.070 0.090 0.040 0.190 AIM-3 0.040 0.060 RMS-2 0.040 0.060 NACIM 0.000 0.007 Current draw with no amplifier and no Digital Voice Module installed. Current during RMS-2 page is 0.060 Amps.
  • Page 42: Table 3-6 Calculations For Amplifier Alarm Current

    If Strobe NAC Circuit is used, add total strobe current on that circuit to the corresponding amplifier module calculation. A Strobe NAC Circuit cannot exceed 2 Amps of current. “SPKR AMP” circuit on each amplifier module cannot exceed 2 Amps. Table 3-7 Average Current Output Measured by Wheelock, Inc. Temporal Worst Case CODE-3 Tone...
  • Page 43 3-23...
  • Page 44: Chapter 4 - Operation

    Chapter 4 - OPERATION Section 4-1- Introduction ® This chapter describes the operating characteristics of the SAFEPATH Panel. Included is ® information about the following SAFEPATH Panel features: • Operator's Console • Supervision • Visual Notification Appliance Output Circuit Supervision •...
  • Page 45: Section 4-4 - Actions That Initiate Alarms

    WARNING: MESSAGES REQUESTED BEFORE AND DURING A TROUBLE CONDITION MAY NOT BE HEARD, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS. IF MESSAGES REQUESTED BEFORE AND DURING A TROUBLE CONDITION ARE STILL NECESSARY, THEY ®...
  • Page 46: Table 4-1 Alarm Conditions And Results

    Table 4-1 Alarm Conditions and Results PRIORITY OF EVENT INITIATING ACTION RESULT Panel microphone push-to-talk button, is a. Panel microphone live voice broadcast depressed. enabled b. Strobes enabled (See Note 2) Automatic /Manual switch placed in a. Selected tone broadcasts manual position.
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  • Page 48: Chapter 5 - Operational Procedures

    Chapter 5 - Operational Procedures Section 5-1 - Operator Instructions ® The SAFEPATH Panel provides an operator console for manually activating the panel. The operator console includes a microphone, a green NORMAL LED, a yellow TROUBLE LED, a “RESET” momentary switch, a TROUBLE ACKNOWLEDGE momentary switch, and a MANUAL/AUTOMATIC switch.
  • Page 49: Section 5-4 - To Reset Visual Appliances

    2. Slide the AUTOMATIC/MANUAL switch down to the MANUAL position. The selected tone will play. Turn off the tone by returning the AUTOMATIC/MANUAL Switch to the UP position. See Figure 5-1 on Page 5-3 for switch location. See the Remote Microphone Station instruction sheet P83270 for additional information. Section 5-4 - To Reset Visual Appliances 1.
  • Page 50: Figure 5-1 Single Circuit Safepath ® Panel Operator Console

    Wh e n t h e GRE E N “ NORMA L ” L I GHT I s ON, t h e s y s t e m i s f u n c t i o n i n g STATUS P r o p e r l y .
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  • Page 52: Chapter 6 - Periodic Testing And Maintenance

    Chapter 6 - Periodic Testing and Maintenance Section 6-1 – Periodic Testing ® Periodic testing of emergency notification equipment, including the SAFEPATH Panel, all notification equipment and all messages, including their audibility and intelligibility, content and language, sequence, and priority assignment, must be conducted frequently, at least twice each year, or more often as required by local, state and federal codes, regulations and laws, by qualified personnel to ensure proper operation of all equipment.
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  • Page 54: Chapter 7 - Troubleshooting

    Chapter 7 – Troubleshooting Section 7-1 - Troubleshooting WARNING: SOME ELECTRONIC COMPONENTS STORE A HIGH VOLTAGE CHARGE, EVEN THOUGH POWER IS NOT CONNECTED, AND CAN CAUSE A DANGEROUS SHOCK IF TOUCHED. DO NOT TOUCH EXPOSED CIRCUITRY ON THE ® SAFEPATH PANEL UNLESS THE CIRCUITRY HAS DISCHARGED FOR ONE HOUR AND A SAFE DISCHARGE PROCEDURE IS USED.
  • Page 55: Figure 7-1 Trouble Led Locations

    The internal trouble sounder and the external trouble audible will resound for subsequent trouble conditions. When there are no trouble conditions detected, the NORMAL LED will always be “ON” and the TROUBLE LED will always be “OFF”. When a trouble condition is detected, the NORMAL LED will always be “OFF”...
  • Page 56: Table 7-1 Module Trouble Procedure Cross Reference

    Table 7-1 Module Trouble Procedure Cross Reference Mother Board (SCMB) NORMAL TROUBLE Troubleshooting Procedure Module Trouble Description Normal Power Loss Faulty Mother Board STROBE Visual Notification Circuit SAA/SALL AUDIO Audio Output Wiring 24VDC Speaker Power SAA/SALL Module RMS-2 TROUBLE Remote Microphone Trouble MDX-2 TROUBLE Digital Voice Module Trouble...
  • Page 57 Single Circuit Safepath Not Operating TROUBLE NORMAL Power Loss LED "ON" Procedure A LED "ON" Faulty Mother Board (SCMB) Procedure B TROUBLE LED "ON" NORMAL LED "OFF" SAA/SALL Refer to STROBE LED Procedure C "ON" SAA/SALL Refer to AUDIO LED Procedure D "ON"...
  • Page 58 From Sheet 1 of Figure 7-2 SAA/SALL Refer to AMP LED Procedure F "ON" RMS-2 Refer to TROUBLE LED Procedure G "ON" MDX-2 NORMAL and Refer to TROUBLE Procedure H LEDS "OFF" MDX-2 Refer to TROUBLE LEDS Figure 7-3 "ON" Figure 7-2, Sheet 2 of 2 Basic Troubleshooting Flowchart...
  • Page 59 MDX-2 From Sheet 2 D6 LED of Figure 7-2 "ON" MDX-2 MDX-2 D7 LED Inoperative "ON" Procedure I MDX-2 MDX-2 D7 LED Inoperative "Steady ON" Procedure J Message MDX-2 Memory D7 LED EPROM error "2 Blink" Procedure K MDX-2 Output Channel D7 LED Error "4...
  • Page 60 WARNING: BEFORE PERFORMING ANY OF THE FOLLOWING TROUBLESHOOTING PROCEDURES, THE PRELIMINARY TROUBLESHOOTING INFORMATION AT THE BEGINNING OF THIS “TROUBLESHOOTING” SECTION ON PAGE 7-1, MUST BE READ, UNDERSTOOD, AND FOLLOWED. Procedure A If the green NORMAL LED is “OFF”, the yellow TROUBLE LED is “OFF”, and no module LEDs are “ON”, then a power loss condition has occurred.
  • Page 61 Perform the following: 1. Check EOLR and verify that it is a UL LISTED, 10K Ohm, 5% Tolerance, 1W Resistor. 2. Check that the EOLR is properly in place. 3. Verify that the Visual Notification Output field wiring is intact. 4.
  • Page 62 Procedure F On the Single Circuit Mother Board (SCMB), the green NORMAL LED is “OFF”, the yellow TROUBLE LED is “ON”, and the AMP LED on the SAA/SALL module is “ON”, then an amplifier trouble condition has occurred. An amplifier trouble condition may be caused by: 1.
  • Page 63 Procedure I On the Single Circuit Mother Board (SCMB), the green NORMAL LED is “OFF”, the yellow TROUBLE LED is “ON”, and the MDX-2 SYSTEM NORMAL LED is “OFF”, SYSTEM TROUBLE LED is “ON”, and the TROUBLE LED is “OFF”, then the digital voice module may be completely inoperative. This condition is caused by: 1.
  • Page 64: Section 7-2 - Safepath ® Module Replacement Procedure

    3. Missing or improperly installed message memory EPROM's. 4. One or more of the messages were not programmed completely. 5. Failed circuitry on the MDX-2. If the error was due to one of the first four causes, the trouble will clear automatically when the cause is corrected.
  • Page 65: Section 7-3 - Single Circuit Safepath ® Module Wiring Diagram

    5. Remove the malfunctioning module(s) and install the replacement module(s). Perform all checkout procedures described in the “Installation” section of this manual to make sure the replacement module(s) is (is) operating properly. ® Section 7-3 – Single Circuit SAFEPATH Module Wiring Diagram ®...
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  • Page 68: Chapter 8 Technical Data

    0.050” steel Mounting Indoor surface mount Wiring Entry Top and bottom knockouts (3/4”, 1”) Door Lock Standard Wheelock key-lock PC Boards 1 Mother Board (SCDC) 1 Power Supply (DCPS) 1 Digital Voice Module (MDX-2) 1 Amplifier Module Section 8-2 – Environmental Operating Temperature 0 to 49 °C (32 to 120 °F)
  • Page 69: Table 8-1 Outputs

    Outputs Visual Notification Appliance 1 output circuit. 2.0 amps at 24VDC Output per zone. Supervised. Central Amplified Audio Output 1 output circuit. Selectable 25, 70.7 volt output at 40W or 80W max, or 100 volt (export) at 80W. (Depending on amplifier configuration).
  • Page 70 UL LISTED 10K Ohm, 1W Minimum ±5% Outputs Amplified Speaker Appliance UL LISTED 10K Ohm, 1W Minimum ±5% Power Outputs NOTE: A package of 8 UL LISTED 10K Ohm, 1W resistors are available through Wheelock, Inc. Model Number EOLK (Part# 5076).
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  • Page 72: Chapter 9 - Module Descriptions

    Chapter 9 - Module Descriptions Section 9-1 - Introduction ® There are ten modules in the Single Circuit SAFEPATH Panel product line. The ten modules are: Single Circuit Mother Board (SCMB) 2. Digital Voice Module (MDX-2) 3. Power Supply / Battery Charger (DCPS) Supervised Audio System Amplifier/Signal Circuit Module (SAA-40S) 5.
  • Page 73: Motherboard (Scmb)

    Location of Plug-In Modules  The interior view of the Single Circuit SAFEPATH Panel with the modules is shown in Figure 9-1. The amplifier modules may be used in any combination by installing into slots 1 and 2 in the DCMB. Also Figure 9-1 shows the locations of the MDX-2, Power Supply, Amplifier Module, and the SC-SPL.
  • Page 74 The strobe NAC circuit can be used with standard non-synchronized strobes or the circuit can be place in the SYNC mode for synchronizing Wheelock, Inc. synchronized strobes. Synchronization is accomplished by turning “ON” DIP Switch SW5, Position 3 (SYNC) on the SAMB.
  • Page 75 Nominal Specifications: Input Voltage Range 20 to 28VDC Supply Current (Idle) at 24VDC 75mA Supply Current (Full Load) at 24VDC 150mA Operating Temperature Range 0 to 49 Degrees C (32-120 Degrees F) Humidity Range 0 to 85%, Non-condensing...
  • Page 76 SAFEPATH P83167 REV B F1 TROUBLE AUDIO AMBER GREEN TRB AUD TRB COM TRB NO TRB NC ALARM COM ALARM NO ALARM NC F2 REMOTE MICROPHONE DV POWER STATION POWER DV STATUS CH PLAY LINE OUT LINE IN RM AUDIO RM TXD RM RXD RM POWER...
  • Page 77: Section 9-3 Digital Voice Module (Mdx-2)

    Acknowledgment of the playing file and Reset initiation. (The reset switch is required to be in a locked enclosure.) The memory chips are normally recorded at Wheelock, Inc. The Standard Message Kit (SMK), which has 8 common messages and tones, is programmed for a single channel output. The Programmed Message Kit (PMK) is tailor made to the customer’s desires.
  • Page 78: Figure 9-3 Digital Voice Module (Mdx-2)

    P83412 REV: RV10 1st Chip SMK or PMK Location 2nd Chip R64 R63 Dry Contacts Inputs (IN1 Through IN8) EARTH D2 D1 Figure 9-3 Digital Voice Module (MDX-2) ® NOTE: The MDX-2 Module is mounted upside down in the Single Circuit SAFEPATH Panel to allow access to the terminal blocks.
  • Page 79: Section 9-4 Power Supply/Battery Charger (Dcps)

    Section 9-4 - Power Supply / Battery Charger (DCPS) Wheelock, Inc. Part Number: 107378 ® The Power Supply / Battery Charger (Figure 9-4) provides the Single Circuit SAFEPATH Panel with a power supply/battery charger with an output of 24VDC with a maximum current of 6 Amps. The battery charger section is capable of charging a 40 AH battery in 48 hours.
  • Page 80 Section 9-5 - Supervised Audio System Amplifier/Signal Circuit Module, 40 Watts (SAA-40S) Wheelock, Inc. Part Number: 105493 The supervised audio system amplifier/signal circuit module, 40 watts (SAA) provides audio amplification ® for the SAFEPATH system. The amplifier can be selected to have either a 25V or a 70.7V audio output.
  • Page 81: Section 9-5 Supervised Audio System Amplifier/Signal Circuit Module, 40 Watts

    Strobe Trouble LED Fuse F2 - Strobe Audio Trouble LED Power. 3 Amp. Amplifier Trouble LED Switch S1 - 25V / 70.7 V Speaker Selector Switch P83253 SAA-40S Only Fuse F1 - Main Amplifier Fuse. 10 Amp. Figure 9-5 Supervised Audio System Amplifier/Signal Circuit Module, 40 Watts (SAA-40S) 9-10...
  • Page 82 Section 9-6 - Supervised Audio System Amplifier/Signal Circuit Module, 80 Watts (SAA-80S/SE) Wheelock, Inc. Part Number: SAA-80S 105495, SAA-80SE 105496 The supervised audio system amplifier/signal circuit module, 80 watts (SAA) provides audio amplification ® for the SAFEPATH system. The amplifier can be selected to have either a 25V or a 70.7V audio output.
  • Page 83: Section 9-6 Supervised Audio System Amplifier/Signal Circuit Module, 80 Watts

    Strobe Trouble LED Fuse F2 - Strobe Audio Trouble LED Power. 3 Amp. Amplifier Trouble LED Switch S1 - 25V / 70.7 V Speaker Selector Switch (SAA-80S Only) SAA-80SE Switch is Removed. (100 V Only) P83254 Fuse F1 - Main Amplifier SAA-80S / SE Only Fuse.
  • Page 84: Section 9-7 Supervised Audio Line Level Module (Sall-15S)

    Section 9-7 - Supervised Audio Line Level Module (SALL-15S) Wheelock, Inc. Part Number: 105497  The Supervised Audio Line Level Module (SALL-15S) provides audio output for the SAFEPATH system. The circuit module has a 0.5Vrms, 15 ohm audio NAC circuit, a 24VDC, 2A speaker amplifier power output, and a 24VDC, 2A strobe NAC Circuit.
  • Page 85: Figure 9-7 Supervised Audio Line Level Module (Sall-15S)

    Strobe Trouble LED Fuse F2 - Speaker Amplifier Power, 3 Amp Audio Trouble LED Speaker Power Trouble LED Fuse F1 - Strobe Power 3 Amp Amplifier Trouble LED Fuse F3 - Amplifier Board Main Fuse, 6 Amp Figure 9-7 Supervised Audio Line Level Module (SALL-15S) 9-14...
  • Page 86: Section 9-8 Notification Appliance Circuit Interface Module (Nacim)

    Section 9-8 - Notification Appliance Circuit Interface Module (NACIM) Wheelock, Inc. Part Number: 105498 The Notification Appliance Circuit Interface Module (NACIM) in Figure 9-8 is used to convert the Notification Appliance Circuit (NAC) of a Fire Alarm Control Panel (FACP) to an open collector circuit to operate the inputs of the Digital Voice Module.
  • Page 87: Section 9-9 4-Zone Splitter Module (Sc-Spl)

    Section 9-9 - FOUR ZONE SPLITTER (SC-SPL) Wheelock, Inc. Part Number: SC-SPL-B (Black) 107367, SC-SPL-R (Red) 107368 The Four Zone Splitter (SC-SPL) in Figure 9-9 is designed to be used with Wheelock’s Single Circuit ® SAFEPATH Panels and provides a means for expanding a supervised audio output zone from one to four sub zones.
  • Page 88: Section 9-10 Auxiliary Input Module (Aim-3)

    Section 9-10 - Auxiliary Input Module (AIM-3) Wheelock, Inc. Part Number: 107387 ® The Auxiliary Input Module (AIM-3) is an outboard module for use with the SAFEPATH Panels to expand the number of optional Remote Microphone Stations from one to three. It also has the capability of using one of the Remote Microphone Inputs to connect to a telephone system page port.
  • Page 89: Figure 9-10 Auxiliary Input Module (Aim-3)

    A83640 AIM-3 AUDIO INPUT MODULE P83639 REV. B PHONE SEL3 SEL2 SEL1 AUDIO POWER AUDIO .1 AMP POWER AUDIO .1 AMP POWER AUDIO RXD/CC POWER/CC PEAK .1 AMP Figure 9-10 Auxiliary Input Module (AIM-3) 9-18...
  • Page 90: Section 9-11 Remote Microphone Station (Rms-2R)

    Section 9-11 - Remote Microphone Station (RMS-2) Wheelock, Inc. Part Number: RMS-2R (Red) 105475 ® The Remote Microphone Station (RMS-2) is designed to used with the Single Circuit SAFEPATH Panel. It provides a means of emergency voice announcements from a remote location. Only 1 Remote ®...
  • Page 91 Intentionally Blank 9-20...
  • Page 92: Chapter 10 - Mea And Warranty

    Chapter 10 - MEA and Warranty Recommendations - That the above units be accepted on condition that all uses, configurations, arrangements and functions, locations and installations comply with the New York City Building Code, specifically Subchapter 17 and with the Referenced Standard RS 17-3 through 17-3C including the NFPA as appropriate, the UL Listing, the manufacturer’s instructions, the Fire Department Rules and the Electrical Code of the City of New York, and on further condition that: ®...
  • Page 93: Limited Warranty

    (as determined by date code. Correction of defects by repair or replacement shall be at Wheelock's sole discretion and shall constitute fulfillment of all obligations under this warranty.
  • Page 94 BATTERY BACKUP CALCULATION WORKSHEET Tables for thisworksheet are in Section 3-5 of this manual. STANDBY CURRENT CALCULATIONS 1. Select and record Standby Current for Model from Table 3-4. 2. Select Standby Current for Optional Modules from Table 3-5. List them in Table 1. Table 1 Standby Qty X...
  • Page 95 2. Using Table 2, calculate total STROBE CURRENT . 3. For SAA Series Amplifier Modules, use Table 2 and calculate total SPEAKER WATTAGE . 4. For SALL-15S Module, use Table 2 and calculate total " SPKR AMP " current. 5. SAA Series Modules,calculate the Alarm Current Module using the total SPEAKER WATTAGE from Step 3 and Table 3-7 in this manual.

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