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Chapter 4 — System Installation <br /> Page 4 -9 <br /> REV. 2 <br /> After the Solenoid Monitor has been installed, the <br /> detection /actuation circuit can be connected to the appropriate Model RPS -M Cable Run Limitations When Used <br /> power source and energized. To energize the detector /actua With Model MCH3, ECH3, and NMCH3 Control Heads <br /> tion circuit, depress the switch on the Solenoid Monitor. The and Part No. 415670 and 423250 Pulley Elbows <br /> light will illuminate to indicate that the circuit is properly Maximum length of cable: 150 ft. (45.7 m) <br /> installed. If the light fails to illuminate, the wiring must be Maximum # of pulleys: 40 <br /> checked. <br /> After mounting the pull station box and conduit, feed the <br /> stainless steel cable from the control head, through the con - <br /> 2. Solenoid Monitor When Used As A Reset duit, and into the pull station box. Insert the bushing into the <br /> Relay pull station's cover plate and secure it with the locknut pro - <br /> The Model SM- 24/120 can be used as a reset relay when vided. Feed the cable through the bushing and into the pull <br /> required. A reset relay is required whenever an electrical handle ensuring that the cable fully crosses the set screw <br /> gas shut -off valve is used in conjunction with the hole. Fasten the cable to the pull handle with the set screw <br /> PYRO -CHEM Open Face Paint Spray Booth Industrial Fire (see Figure 4 -16). <br /> Suppression System. For typical wiring connections, see 1 %21N. EMT ` COVER PLATE <br /> Figure 4 -15. ' CONNECTOR 111 <br /> F" <br /> .e CRIMP <br /> REMOTE PULL STATION <br /> INSTALLATION <br /> 1. Model RPS -M. <br /> The Model RPS -M Remote Mechanical Pull Station is used for <br /> remote mechanical actuation of the Model MCH3 /ECH3 /NMCH3 <br /> 1 <br /> Control Head. It is to be located near an exit in the path of egress ,If _,. BREAK <br /> ► from the hazard area no more than 4 ft. (1.2 m) above the floor. ROD PULL <br /> ( ) CABLE HANDLE <br /> BUSHING <br /> NOTE: Figure 4 -16. Model RPS -M Remote Pull <br /> A model RPS -M remote mechanical pull station must Station Installation. <br /> be used for manual actuation of a model NMCH3 002884PC <br /> releasing device. <br /> The Pull Station can be surface mounted or recessed. It is con- <br /> nected to the control head using 1/16 in. diameter stainless <br /> steel cable. The cable enters the pull station box from the bot- <br /> tom, top, either side, or back. The cable enters the control head <br /> through the top- center knockout. The cable must be enclosed in <br /> ► 1/2 in. conduit with a PYRO -CHEM corner pulley at each <br /> change in conduit direction. Maximum limitations for the Model <br /> RPS -M Remote Mechanical Pull Station are as follows: <br /> / 30.FM010 MONiDR <br /> (9IDWErIF11dIEDl <br /> So enold Monitor <br /> r <br /> 'UGH, cr,crxAV Nr <br /> PU511 TO PFSFI <br /> \... ucaos rcn -y 1 [44.7,----.1 }� <br /> COMER Oc REAL <br /> © . <br /> �s <br /> POWER SOURCE YI <br /> Figure 4 -15. Solenoid Monitor Wiring With Electrical Gas Shutoff Valve. <br /> 002883PC <br /> ULEX 3437 CEx732 <br /> March 17, 2004 <br />