Johnson Controls Metasys 2400 Quick Start Manual
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Johnson Controls Metasys 2400 Quick Start Manual

Johnson Controls Metasys 2400 Quick Start Manual

Direct 2-wire smoke detectors
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2400 and 2400TH Direct 2-Wire Smoke Detectors
© 1995 Johnson Controls, Inc.
Code No. LIT-408140
Fire Initiating Devices and Notification Appliances Technical Manual
Conventional Products Section
Technical Bulletin
Issue Date 1095
Page
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Summary of Contents for Johnson Controls Metasys 2400

  • Page 1: Table Of Contents

    Issue Date 1095 2400 and 2400TH Direct 2-Wire Smoke Detectors Introduction Page General Description Installation Procedures General Information Mounting Spacing Wiring Installation Guidelines Installation Tamper-Proof Feature Testing and Maintenance Procedures Testing Maintenance Limitations © 1995 Johnson Controls, Inc. Code No. LIT-408140...
  • Page 2 2 Conventional Products—2400 and 2400TH Direct 2-Wire Smoke Detectors...

  • Page 3: Introduction

    2400 and 2400TH direct wire smoke detectors. These conventional detectors are manufactured by System Sensor for use with Johnson Controls systems. If you install this detector for someone else to use, you must leave a copy of this document with the user.

  • Page 4: General Description

    The 2400 photoelectronic detectors use state-of-the-art, optical sensing General chambers. These detectors are designed to provide open area protection, Description and are intended for use with compatible UL Listed 2-wire control panels only. The detector’s operation and sensitivity can be tested in place. Model 2400TH has the same specifications as model 2400, but also features a restorable, built-in, fixed temperature (135°F) heat detection unit.
  • Page 5 Table 2: Specifications Summary Specifications Diameter 5.5 in. (140 mm) Height 3.14 in. (80 mm) Add 0.5 in. (13 mm) for all models with a “T” suffix (i.e., 2400TH) Weight 0.7 lb (318 g) Operating Temperature Range Model 2400--0 to 49°C (32 to 120°F) Model 2400TH--0 to 38°C (32 to 100°F) Operating Humidity Range 10 to 93% RH, Non-condensing...
  • Page 6 6 Conventional Products—2400 and 2400TH Direct 2-Wire Smoke Detectors...

  • Page 7: Installation Procedures

    Installation Procedures This section contains installation information for 2400 and 2400TH direct General wire smoke detectors. Instructions are given for mounting the detector, Information and basic wiring information is provided. CAUTION: Equipment hazard. Do not use in potentially explosive atmospheres. Do not leave unused wires exposed.

  • Page 8: Spacing

    NFPA-72-National Fire Alarm Code defines the spacing requirements for Spacing smoke detectors. Typically, this is 30 feet when the detectors are installed on a smooth ceiling. However, all installations must comply NFPA-72-National Fire Alarm Code and/or special requirements of the authority having jurisdiction.
  • Page 9 Initiatin g L oop E nd -of-Line (E O L) U L Listed R esistor C ontrol P anel R e m ote R e m o te A n n un c ia to r A nn un c iato r C la ss A O p tio n a l W irin g N ote: If rem ote ann unciator is n ot used , pola rity to de te ctor m ay b e rev ersed.

  • Page 10: Installation

    Installation WARNING: Shock hazard. Disable the power IDCs before installing detectors. 1. Wire each detector following installation guidelines. 2. Line up arrows on the detector with arrows on the mounting bracket. 3. Turn the detector clockwise until it clicks into place. 4.

  • Page 11: Testing And Maintenance Procedures

    Testing and Maintenance Procedures Before testing, notify the proper authorities that the smoke detector system Testing is undergoing maintenance and will be temporarily out of service. Disable the zone or system undergoing maintenance to prevent unwanted alarms. Detectors must be tested after installation and following periodic maintenance.
  • Page 12 Calibrated Test 1. Remove the detector cover by placing a small-bladed screwdriver in Card (R59-18-00) the side slot of the detector cover. 2. Twist it slightly until the cover can be turned counterclockwise for removal. 3. Insert the NO ALARM end of the test card fully into the test slot (Figure 6), then slide it counterclockwise until it stops.

  • Page 13: Maintenance

    Before removing the detector, notify the proper authorities that the smoke Maintenance detector system is undergoing maintenance and will be temporarily out of service. Disable the zone or system undergoing maintenance to prevent unwanted alarms. After maintenance is performed on a detector, it should be functionally tested to assure proper operation.
  • Page 14 R em ova b le H ead C over T est S lot C lean able S cree n P /N R S 2 4 (w/o T h erm al)..H ead C o ver V ane d Ch a m be r R em oval S lot c ov&...

  • Page 15: Limitations

    This smoke detector is designed to activate and initiate emergency action, Limitations but will do so only when used in conjunction with other equipment. This detector is designed for installation in accordance with NFPA Standards 71 and 72. Smoke detectors cannot work without power. Alternating Current (AC) or Direct Current (DC) powered smoke detectors will not work if the power supply is cut off for any reason.
  • Page 16 Notes Controls Group FAN 408 507 E. Michigan Street Fire Initiating Devices and Notification Appliances Technical Manual P.O. Box 423 Printed in U.S.A. Milwaukee, WI 53201 16 Conventional Products—2400 and 2400TH Direct 2-Wire Smoke Detectors...

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