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1 <br /> R-102 Restaurant Fire Suppression Manual SECTION 4—SYSTEM DESIGN <br /> UL EX3470 ULC EX3470 <br /> 2014-SEP-01 REV. 11 PAGE 4-75 <br /> i <br /> ELECTRICAL GAS VALVE REQUIREMENTS(Continued) • ELECTRICAL SWITCH REQUIREMENTS <br /> Approvals Note:Electrical connections shall not be made in the <br /> ANSUL gas valves listed in this section are UL listed and AUTOMAN. <br /> approved for 110 VAC. If more information is required, refer to The electric (snap-action) switches for the R-102 system are <br /> the Gas and Oil Equipment List of Underwriters Laboratories, specially designed to fit the regulated release assembly. The <br /> Inc. under"Electrically Operated Valves Guide No. 440 A5" or switches are intended for use with electric gas valves, alarms, <br /> consult Tyco Fire Protection Products, Marinette, Wisconsin contactors, lights, contractor supplied electric power shut-off <br /> 54143-2542. devices, and other electrical devices that are designed to shut <br /> off or turn on when the fire suppression system is actuated. <br /> If other gas valves are used, they shall be"UL listed electrical <br /> ly-operated safety valves for natural or LP gas as required, of (See Figures 5 122 through 5 124 in Installation Section for <br /> appropriate pressure and temperature rating, 110 VAC/60 Hz." <br /> reference). <br /> The information on temperature and type of gas that the valves Contractors shall supply "UL listed, enclosed industrial control <br /> are suitable for may be found in the Gas and Oil Equipment List equipment or magnetic switch having a rating matching that of <br /> of Underwriters Laboratories, Inc. under "Electrically Operated the cooking appliance,coil 110 VAC/60 Hz or 24 VAC/60 Hz." <br /> Valves Guide No. 440 A5." All electrical connections should be performed by a QUALIFIED <br /> The electrically operated gas valve must be of the type that ELECTRICIAN and in accordance with authority having <br /> needs to be energized to remain open. jurisdiction. <br /> Note:For electrical wiring diagrams,see"Installation Instructions" Electric(Snap-Action)Switches that may be field installed are: <br /> Section, Pages 5-40 through 5-42. Part No. Description <br /> Parts that may be used for installation of a 110 VAC Gas Shut- 423878 One Switch Kit <br /> off Valve are: 423879 Two Switch Kit <br /> Description Part No. 423880 Three Switch Kit <br /> Electric Solenoid Valve,3/4 in. NPT* 13707 423881 Four Switch Kit <br /> .436770 Two Switch Kit(no wire leads) <br /> Electric Solenoid Valve, 1 in. NPT* 13708 <br /> ( ►Electric Solenoid Valve, 1 1/4 in. NPT* 550360 Each switch has a set of single-pole, double throw contacts <br /> Electric Solenoid Valve, 1 1/2 in.NPT* 13709 rated at 21 amp, 1 HP, 125, 250, 277 VAC or 2 HP, 250, 277 <br /> Electric Solenoid Valve,2 in. NPT* 13710 VAC. <br /> ►Electric Solenoid Valve,2 1/2 in. NPT* 550363 Note:A relay must be supplied by others if the equipment load <br /> Electric Solenoid Valve,3 in. NPT* 17643 exceeds the rated capacity of the switch. <br /> ►Manual Reset Relay(110 VAC) 426151 Electrical wiring and equipment shall be installed in accordance <br /> *Valves are normally closed when de-energized. with NFPA 70 (National Electrical Code) or the requirements of <br /> ALARM INITIATING SWITCH REQUIREMENTS the authority having jurisdiction. <br /> The Alarm Initiating Switch can be field mounted within the If a fire alarm system is provided, the fire extinguishing system <br /> AUTOMAN release.The switch must be used to close a super- shall be connected to the alarm system in accordance with the <br /> vised alarm circuit to the building main fire alarm panel when requirements of NFPA 72, National Fire Alarm Code,so that the <br /> the AUTOMAN release actuates.This action will signal the fire actuation of the extinguishing system will sound the fire alarm as <br /> alarm panel that there was a system actuation in the kitchen well as provide the extinguishing function of the system. <br /> area. The switch kit contains all necessary mounting compo- If supervision of the electrical detection, electrical actuation or <br /> nents along with a mounting instruction sheet. See Page 5-39 electrical power supply circuit is provided, it shall give prompt <br /> for wiring information. audible or visual indication of trouble and shall be distinctive <br /> The switch is rated 50 mA,28VDC. from alarms or indicators indicating operation or hazardous <br /> conditions as specified in NFPA 17A. <br /> Part No. Description <br /> 428311 . Alarm Initiating Switch Kit <br />