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This manual provides instructions for the following Sierra Monitor products:
The instructions are effective for the above models as of October 1, 1996
Sierra Monitor Corporation
1991 Tarob Court, Milpitas, CA 95035
(408) 262-6611
(800) 727-4377
VAULT GAS MONITOR
Model 2400-01
Model 2400-21
SMOKE DETECTOR OPTION
MODEL 2404-00
APPLICABILITY & EFFECTIVITY
Model
2400-01
2400-21
2404-00
Description
Vault Gas Monitor
Vault Gas Monitor, Low CO
Smoke Detector for 2400
Instruction Manual Part Number: T10007
Rev. B1
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Summary of Contents for Sierra Monitor Corporation 2400-01
- Page 1 Sierra Monitor Corporation 1991 Tarob Court, Milpitas, CA 95035 (408) 262-6611 (800) 727-4377 VAULT GAS MONITOR Model 2400-01 Model 2400-21 SMOKE DETECTOR OPTION MODEL 2404-00 APPLICABILITY & EFFECTIVITY This manual provides instructions for the following Sierra Monitor products: Model Description...
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Page 2: Table Of Contents
Instruction Manual TABLE OF CONTENTS SECTION PAGE 1. PRODUCT DESCRIPTION 1.1 Introduction 1.2 General Description 1.2.1. Mechanical 1.2.2. Uninterrupted Power Supply 1.2.3. Alarm Relays 1.2.4. Alarm Indicators 1.2.5. Test Switches 2. INSTALLATION 2.1 Unpacking and Inspection 2.2 Installation & Set-Up 2.2.1. -
Page 3: Product Description
Two direct measurement of ambient versions of the Model 2400 are available. temperature. The Combustible and The 2400-01 has a Carbon Monoxide Carbon Monoxide sensors are sensor with a range of 50-200 ppm CO. metal-oxide semiconductor type The Low CO version, 2400-21, has a range solid state devices for long life. -
Page 4: Alarm Relays
(red) and Sensor Failure (red). exceeds the calibrated threshold setting (100 ppm CO on the 2400-01 and 25 1.2.5. TEST SWITCHES ppm CO on the 2400-21). Two test switches are provided to COMBUSTIBLE RELAY: allow functional testing of the monitor... -
Page 5: Installation
Instruction Manual 2. INSTALLATION 2.1 UNPACKING AND INSPECTION stabilization period and to fully charge the battery pack, allow twenty four hours before connecting the alarm Remove the instrument from its packing outputs. container and inspect to insure that all items listed on the packing slip have been received in good condition. -
Page 6: Operation
Instruction Manual 3. OPERATION INSTRUCTIONS The Model 2400 requires no operator intervention except for periodic calibration. FUNCTION TEST: Apply gas from a The following information can be followed cigarette lighter (WITHOUT FLAME) or to insure that the initial installation is other high concentration source to the CH4 correct and to insure that the external sensor and check that the Combustible... -
Page 7: Calibration
CARBON MONOXIDE: Apply carbon monoxide calibration sensor. Calibration gas for the 2400-01 is 100 ppm CO at 50 cc/minute and for the 2400-21 use 25 ppm CO (factory standard), or 35 ppm at 100 cc/minute. Watch for the calibration indicator to turn on. If the indicator turns... -
Page 8: Information To Installers
(2400-21) during a CO alarm. reading is in the safe range and correct set-point for a safe condition is apply cigarette lighter gas. 1.5 volts for the 2400-01 and 1.0 volts Note that the TP6 voltage for the 2400-21 (25 ppm alarm). Page: 6... - Page 9 Usually the voltage at TP3 is adjusted closer to the reference voltage than TP6 because the CO sensitivity is 100 ppm for the 2400-01 (compared 5000 methane). For the Model 2400-21 the CO sensitivity is 25 ppm.
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Page 10: Smoke Detector
Instruction Manual 6. SMOKE DETECTOR 6.3 OPERATION 6.1 PRODUCT DESCRIPTION The Smoke Detector is designed to operate continuously. Monthly, the hinged cover Model 2404 (Figure should be opened and the screen around the photoelectric, single station Smoke optical unit should be cleaned with Detector which is designed to be operated compressed air or a vacuum. -
Page 11: Nickel Cadmium Bateries
Instruction Manual 7. NICKEL CADMIUM BATTERIES NICKEL CADMIUM BATTERY OPERATION The best maintenance objective is to: Nickel cadmium batteries such as those Preserve the batteries with maximum used in the Model 2400 Vault Gas charge for as many years as possible. Monitor intended applications where the power demand will... -
Page 13: Specifications
-4 to 140 o F (-20 - 60 o C) Extended Temperature Option CALIBRATION RANGE Carbon Monoxide: 50 - 200 ppm (2400-01) Carbon Monoxide: 0 - 100 ppm (2400-21) Methane: 2,500 - 12,500 ppm (5% - 25% LEL) FACTORY CALIBRATION... -
Page 14: Part Numbers & Spare Parts List
1290-08 Gas Cylinder - Carbon Monoxide 25 ppm MODEL 2400 SERIES ASSEMBLIES Model No. Description 2400-01 Vault Gas Monitor (Modified for Smoke Detector Option) 2400-21 Vault Gas Monitor, LO CO 2401-00 Light Box for Entry Door (remote indicator 2402-00 Connector Kit (Connector hardware only) - Page 15 Instruction Manual Page: 12 Model 2400 Vault Gas Monitor 2/03...
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- Page 20 Instruction Manual Page: 17 Model 2400 Vault Gas Monitor 2/03...
- Page 21 Instruction Manual +5 VDC M2404-00 SMOKE DETECTOR TERMINAL STRIP +5VDC COMMON (GND) M2400-XX GAS MONITOR AMPHENOL CONNECTOR J5-13 TROUBLE J5-12 CEV LOGIC PANEL COIL ELECTRICAL CONNECTIONS MODELS 2400-1 & 2404 FILE NO: REV. FIGURE 6 M24001A.CDR SCALE: DATE: SHEET 1 OF 1 6/28/95 MN Page: 18 Model 2400 Vault Gas Monitor 2/03...
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