Johnson Controls Metasys 2400 Quick Start Manual Download

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Fire Initiating Devices and Notification Appliances Technical Manual

408

Conventional Products Section

Technical Bulletin

Issue Date

1095

1995 Johnson Controls, Inc.

Code No. LIT-408140

Introduction

Page

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General Description

Installation Procedures

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General Information

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Mounting

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Spacing

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Wiring Installation Guidelines

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Installation

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Tamper-Proof Feature

Testing and Maintenance Procedures

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Testing

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Maintenance

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Limitations

2400 and 2400TH Direct 2-Wire Smoke Detectors

Summary of Contents for Metasys 2400

Page 1: ...nson Controls Inc 1 Code No LIT 408140 Introduction Page 3 General Description 4 Installation Procedures 7 General Information 7 Mounting 7 Spacing 8 Wiring Installation Guidelines 8 Installation 10 Tamper Proof Feature 10 Testing and Maintenance Procedures 11 Testing 11 Maintenance 13 Limitations 15 2400 and 2400TH Direct 2 Wire Smoke Detectors ...

Page 2: ...2 Conventional Products 2400 and 2400TH Direct 2 Wire Smoke Detectors ...

Page 3: ...e model you are installing Before you install any 2400 and 2400TH direct wire smoke detectors read and be familiar with The Guide for Proper Use of System Smoke Detectors Technical Bulletin in the Fire Initiating Devices and Notification Appliances Technical Manual FAN 408 that provides detailed information on detector spacing placement zoning wiring and special applications or for non United Stat...

Page 4: ... the detector is receiving power and ready in standby and is latched on continuously in alarm until the detector is reset The detector provides an output for connection to an optional remote annunciator model RA400Z The remote annunciator mounts to a single gang box and provides a supplementary alarm indication Table 1 2400 Series Direct Wire Smoke Detectors Model Control Description Operating Cur...

Page 5: ... Alarm Reset by momentary power interruption Fixed Temperature Head Detector 135 F 57 C Electrical Ratings System Voltage 12 24 VDC Maximum Ripple Voltage 4 volts Peak to Peak Startup Capacitance 0 02 µF Maximum Standby Ratings 8 5 VDC Minimum 35 VDC Maximum 120 µA Maximum Alarm Ratings 4 2 VDC Minimum at 10 mA 6 6 VDC Maximum at 100 mA Alarm current must be limited to 100 mA maximum by the contro...

Page 6: ...6 Conventional Products 2400 and 2400TH Direct 2 Wire Smoke Detectors ...

Page 7: ...ed Each 2400 series detector is supplied with a mounting bracket kit that permits the detector to be mounted in either of two ways directly to 3 1 2 inch or 4 inch octagonal box 1 1 2 inch deep electrical box Figure 1 to a 4 inch square electrical box using the plaster ring with the supplied mounting bracket kit flmount2 Figure 1 Flush Mounting of 2400TH Smoke Detector on 3 1 2 Inch and 4 Inch Oct...

Page 8: ...ire For Initiating Device Circuit IDC wiring the wiring between interconnected detectors as well as the control panel it is recommended that the wire be no smaller than No 18 American Wire Gauge AWG 1 0 square mm However the screws and clamping plate in the base can accommodate wire sizes up to No 12 AWG 3 3 square mm The use of twisted pair wiring for the detection power and wires is recommended ...

Page 9: ...ts as indicated in the Device Compatibility Technical Bulletin in the Fire Management Accessories Manual FAN 445 Note For system supervision do not loop wire under Terminals 1 and 2 This Not This w irguide Figure 4 Electrical Connections Note If remote annunciator is not used polarity to the detector may be reversed Rem ote Annunciator smkwire 2 1 3 Initiating Loop UL Listed Control Panel Remote A...

Page 10: ... can be used to help limit dust entry to the detector However these covers are not a substitute for removing the detector during building construction Remove any dust covers before placing the system in service This detector includes a tamper proof feature that prevents removal of the detector without the use of a tool To make the detector tamper proof 1 Break off the smaller tab at the scribed li...

Page 11: ...s set into alarm by one of the following test methods and the alarm activating device is removed from the detector the system should be reset at the control panel before testing any additional detectors After all testing is complete notify the proper authorities that the system is back in service Functional Test Recessed Test Switch 1 A test switch is located on the detector housing Figure 5 2 Pre...

Page 12: ...nsitivity as described in the test module manual 1 Set the aerosol generator to represent 4 feet to 5 feet obscuration as described in the Gemini 501 manual 2 Using the bowl shaped applicator apply aerosol until unit alarms Direct Heat Test To test the bimetallic thermal collector on the 2400TH 1 Use a low powered heat gun or blow dryer and aim the heat source across the detector 2 Hold the heat s...

Page 13: ...er 2 Twist it slightly until the cover can be turned counterclockwise for removal 3 Vacuum the screen carefully without removing it If further cleaning is required continue with Step 4 otherwise skip to Step 9 4 Remove the screen by pulling it straight out Figure 6 5 Vacuum the inside 6 Clean the vaned chamber piece by vacuuming or blowing out dust and particles 7 To replace the screen orient it s...

Page 14: ...roducts 2400 and 2400TH Direct 2 Wire Smoke Detectors cov scr5 Removable Head Cover Cleanable Screen P N RS24 w o Thermal Test Slot Vaned Chamber Head Cover Removal Slot Figure 6 Removal of Cover and Screen for Cleaning ...

Page 15: ...ty but they are better at detecting fast flaming fires than slow smoldering fires Photoelectronic detectors sense smoldering fires better than flaming fires Because fires develop in different ways and are often unpredictable in their growth neither type of detector is always best and a given detector may not always provide warning of a fire In general detectors cannot be expected to provide warnin...

Page 16: ...oducts 2400 and 2400TH Direct 2 Wire Smoke Detectors 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 ...

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