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Operation, Installation, and Maintenance Manual LW401 Fire Alarm System Control Unit P/N 315-095997FA-2 (446106) Faraday: www.faradayfirealarms.com Copyright 1997, Faraday, LLC All Rights Reserved...
Table of Contents Section Page 1 INTRODUCTION ........................1 Standard Components ......................2 MAIN BOARD ..........................DISPLAY ............................FRONT PANEL FUNCTIONS ......................2 INSTALLATION ......................... 5 Unpacking the Equipment ....................5 Installing the Control Panel ....................6 3 OPERATING MODES ....................... 9 Alarm ............................
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Table of Contents (Cont.) Section Page ENABLING THE PROGRAM MODE ................... Enter Password ........................Reading the LW-401 Display ....................To Select Program Mode ......................To Exit Program Mode ......................Test Mode ........................... 20 Reading the LW-401 Display ....................TEST LEVEL DESCRIPTIONS ....................ENABLING THE TEST MODE .....................
LW-401 LW-401 Operation, Installation, and Maintenance Manual INTRODUCTION The LW-401 is a microprocessor based fire and life safety system with four conventional initiating device circuits (up to 8 with the addition of the optional LWZE-4A or LWZE-8A zone expander). All basic alarm and trouble functions are annunciated and controlled from the LW-401 front panel (See Figure 1) which consists of:...
LW-401 Operation, Installation, and Maintenance Manual Standard Components provides float and constant current A standard four zone LW-401 has one modes of charging sealed lead acid module—the main board. An expander batteries (15 Amp-Hour maximum). board is added to provide four additional •...
LW-401 LW-401 Operation, Installation, and Maintenance Manual FRONT PANEL FUNCTIONS The front panel of the LW-401 is comprised CODE DESCRIPTION of a seven segment display, function keys, AC power fail and LEDs. Their functions are described NAC 1 trouble below (Refer to Figure 2): NAC 2 trouble The LEDs Ground fault...
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LW-401 LW-401 Operation, Installation, and Maintenance Manual INSTALLATION Unpacking the Equipment The LW-401 is shipped in two cartons; Remove the packing material, and one of the cartons contains the LW-401 inspect the electronics for damage. enclosure. The other carton contains the LW-401 electronics, the transformer, and Note: If the PC board is damaged, the mounting hardware.
LW-401 Operation, Installation, and Maintenance Manual Installing the Control Panel 2. Fasten the power transformer to the Remove all system power before inside of the enclosure. Mount the installation, first battery and then AC. transformer on the four studs in the (To power up, connect the upper left-hand corner of the LW41-EN AC first, then the battery.)
LW-401 LW-401 Operation, Installation, and Maintenance Manual labeled A in Figure 6, leaving a inch gap between the standoff and the head of the screw. b. Place the slots on the bottom of the LW41-MB on the two screws. c. Secure the board in place by fasten- ing the remaining four screws labeled B to the metal hex standoffs.
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LW-401 LW-401 Operation, Installation, and Maintenance Manual OPERATING MODES The LW-401 annunciates the following For a further description of the system fault modes of operation: codes, see System Fault Troubleshooting (Table 3, page 25). • Alarm • Supervisory • Trouble Normal •...
LW-401 Operation, Installation, and Maintenance Manual To Acknowledge Alarms Responding to a Supervisory Condition 1. Unlock and open the door. 2. Press ACK to acknowledge (Block How the System Annunciates Acknowledge) all alarms and other Supervisories conditions. The system ALARM and the When a supervisory condition is detected, the Zone ALARM LEDs on the front panel system causes the SUPERVISORY LED and...
LW-401 LW-401 Operation, Installation, and Maintenance Manual display. If an alarm occurs after the trouble is Zone operation are described below. annunciated, the 7-segment display will clear. • Shorting-type input devices and smoke detectors are compatible with all zone To Acknowledge Troubles types.
LW-401 Operation, Installation, and Maintenance Manual 3. March Time Code 4. Simple Zone Code A steady tone is the default choice for each circuit. A nonsilenceable NAC has a steady tone. Temporal Code is as defined by NFPA 72. (Simple Zone Code is explained below.) Please note that while it is possible to pro- gram the two NACs with different, non- Figure 7...
LW-401 LW-401 Operation, Installation, and Maintenance Manual Set Output Control Matrix (Program The Alarm Verification Retard/Reset time Level 5) establishes the delay time required to provide The LWZE-4A Zone/Output Expander mod- an alarm verification cycle as determined by ule has four output relays and four open the system owner or the local authority.
LW-401 Operation, Installation, and Maintenance Manual Set AC Fail Signal Delay (Program Level 8) 1. To select the proper Retard/Reset time, begin with the Alarm Verification time Underwriters Laboratories, Inc. requires all required by the system owner or local fire protection systems which communicate authority.
LW-401 LW-401 Operation, Installation, and Maintenance Manual Last Event Record (Test Level 4) PROGRAM LEVEL DESCRIPTIONS This feature records the zone in which the Level 1: Bypass or enable the LWZE-4A or last event occurred in each of four catego- LWZE-8A Zone Expander card.
LW-401 Operation, Installation, and Maintenance Manual To Exit Program Mode ENABLING THE PROGRAM MODE The user can exit the Program mode at any Enter Password time by pressing the ACK key until the Program/Test status LED turns off and the 1.
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LW-401 LW-401 Operation, Installation, and Maintenance Manual 3. The red zone LED for the selected Output 3. The selected NAC type is shown by the will be on if the Output is enabled and off red zone LED indicated in the following if bypassed.
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LW-401 Operation, Installation, and Maintenance Manual 5. Press the Drill key to map the selected Level 6-2 - Set NAC Inhibit Timer Zone to the desired Output. 1. The selected Inhibit Time is shown by the red zone LEDs as indicated in the 6.
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LW-401 LW-401 Operation, Installation, and Maintenance Manual Level 6-4 - Set Simplified Zone Code 6. Press the Silence key to select another Rounds digit to be programmed and return to Step 3. 1. The selected number of rounds is shown by the red zone LEDs as indicated in the 7.
LW-401 Operation, Installation, and Maintenance Manual 4. Press the Reset key to advance the • Level 5: Performs Local Display and pointer (yellow zone LED) to the desired Remote (LWRA-8B/W) Lamp Option Card. test. • Level 6: Clears the panel's history 5.
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LW-401 LW-401 Operation, Installation, and Maintenance Manual Test Level 1—One Person System Test Level Feature Test System Alarm Relay Important Test NAC 1 Relay Inform the person in charge of the LW-401 Test System Trouble Relay fire alarm system that a One Person Test is Test NAC 2 Relay to be performed and that part or all of the fire detection system will be disabled.
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LW-401 Operation, Installation, and Maintenance Manual 3. Press the Drill key to change the state of Test Level 6 - Clear the Last Event the selected output. Record 4. Press the ACK key when done. 1. Press the Reset key 6 times to select Test Level 6.
LW-401 LW-401 Operation, Installation, and Maintenance Manual CHECKOUT PROCEDURE Maintenance Prior to installing devices on bases and PERIODIC INSPECTION AND TESTING applying power to the LW-401 system, follow To insure proper and reliable operation, the Field Wiring Checkout Procedure inspect and test the system to the latest (Refer to Table 5, page 27).
LW-401 Operation, Installation, and Maintenance Manual NOTE: 1. In addition to deter- mining the required battery size, consider- ation must be given to the overall current drawn by the system. The total system current capability is 3.5 amps at 24 volts. The total alarm current must not exceed 3.5 amps for...
LW-401 LW-401 Operation, Installation, and Maintenance Manual TABLE 5 TABLE 5 TABLE 5 TABLE 5 TABLE 5 FIELD WIRING CHECKOUT PROCEDURE FIELD WIRING CHECKOUT PROCEDURE FIELD WIRING CHECKOUT PROCEDURE FIELD WIRING CHECKOUT PROCEDURE FIELD WIRING CHECKOUT PROCEDURE MEASURE RESISTANCE BETWEEN DESIRED PROBABLE CAUSE IF TERMINAL AND TERMINAL...
LW-401 LW-401 Operation, Installation, and Maintenance Manual TABLE 7 PROGRAMMING SHEET Level Sublevel Description Initiating Device Circuit Zone 1 Enabled Bypassed Initiating Device Circuit Zone 2 Enabled Bypassed Initiating Device Circuit Zone 3 Enabled Bypassed Initiating Device Circuit Zone 4 Enabled Bypassed Initiating Device Circuit Zone 5...
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WARNING: This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance with the instructions manual, may cause interference to radio communi- cations. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment.
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