Apparatus must be installed in accordance with National Electrical Code. 2) FMRC Approval of the RS232C Data Output option applies only if used as a printer port and the apparatus connected to the controller does not use or generate greater than 250 Vrms. 3) FMRC Approval for Hydrogen Sulfide Sensor Module applies to Model 5100-05 electrochemical cell only. Model 5100-01 solid state sensor is not approved. 4) FMRC Approval allows the presence of MODBUS firmware in the Sentry controller but does not cover the operation of the MODBUS firmware itself. *FMRC: Factory Mutual Research Corporation SMC sierra monitor corporation Sentry Instruction Manual - Version 6 TABLE OF CONTENTS 1. PRODUCT DESCRIPTION.............................................................................................................................................1 1.1 GENERAL.......................................................................................................................................................................1 1.2 CONTROLLER ...............................................................................................................................................................1 1.2.1 ENHANCEMENT PACKAGE ...............................................................................................................................1 1.3 SENSOR MODULES......................................................................................................................................................1 1.4 INTERCONNECT WIRING...........................................................................................................................................2 1.5 DATA TRANSMISSION................................................................................................................................................2 1.6 POWER REQUIREMENTS............................................................................................................................................2 2. CAUTIONS & WARNINGS...........................................................................................................................................15 2.1 INTRODUCTION .........................................................................................................................................................15 2.2 CONTROLLER .............................................................................................................................................................15 2.3 WIRING ........................................................................................................................................................................15 2.4 SENSOR MODULES - GENERAL ..............................................................................................................................15 2.4.1 COMBUSTIBLE SENSOR MODULES...............................................................................................................15 3. INSTALLATION.............................................................................................................................................................17 3.1 CONTROLLER LOCATION........................................................................................................................................17 3.2 SENSOR MODULE LOCATIONS..............................................................................................................................17 3.3 WIRING ........................................................................................................................................................................17 3.4 SENSOR MODULE INSTALLATION ........................................................................................................................18 3.5 CONTROLLER INSTALLATION ...............................................................................................................................19 3.5.1 CONTROLLER CONFIGURATIONS .................................................................................................................19 3.5.2 CONTROLLER MOUNTING...............................................................................................................................19 3.5.3 ALARM DEVICE INSTALLATION....................................................................................................................20 3.5.4 RELAY OUTPUTS...............................................................................................................................................20 3.5.5 DC POWER LOAD...............................................................................................................................................20 3.5.6 POWER UP ...........................................................................................................................................................21 3.5.7 POWER DOWN....................