ISSUE 3 Installation Instructions for the BF Series Plastic Enclosed Switches PK 88270 CONDUIT SEAL WIRING Sealed to NEMA 1, 3, 4 and 13 standards. Apply 12AWG to 20AWG solid or stranded wire pipe dope or Teflon tape to threads at conduit. Spades - up to .312 wide Rings - up to .312 dia. NOTICE Form C 1 NO-1 NC SPDT basic switch Plastic enclosure. No grounding needed. Do not mount switch at low point in conduit runs or with conduit opening facing up, to prevent Pressure plate wire clamps. possible moisture condensation. Terminal identification on bottom of enclosure Use pre-insulated connectors or heat shrinkable TORQUE tubing with spade or ring type connectors to insulate Do not tighten over 8 ft. lbs. (10,85 N m). between terminals. Excess wire should be placed in Enclosure may crack. the pocket between the terminals and conduit opening. SEALING Sealing packets are available from MICRO ACTUATOR ADJUSTMENT SWITCH for use with the 1/2-14 NPT conduit Lever type actuators (actuator code L) are opening. adjustable in two directions - around mounting bushing and lever angle. Packet (for use Cable O.D. In. (mm) To rotate the actuator: lift seal boot off actuator with 1/2-14 NPT) mounting nut. Loosen mounting nut enough to 2PA6 .400 - .435 (10,2 - 11,05) move actuator. Rotate into desired position, and 2PA16 .435 - .470 (11,05 - 11,90) tighten mounting nut. Reassemble seal boot, taking 2PA1 .530 - .570 (13,5 - 14,5) care it is securely seated in mounting nut groove. To adjust lever angle: loosen hex nut. Adjust lever Figure 1 to desired positon, tighten nut. PLASTIC HOUSING WARNING METAL RING IF USED IN APPLICATIONS CONCERNING HUMAN SAFETY SEAL RING Only use NC direct opening (positive METAL RING opening/positive break) contacts, identified by CEMENT OR EQUIVALENT the symbol. Do NOT use flexible/adjustable actuators. Only SEAL NUT use actuators designed for safety applications Do NOT defeat, tamper, remove, or bypass this switch. Hazardous voltage, disconnect power before servicing. Packet A liquid tight conduit fCitting fable Oo.rD the 1/2-. In. (mm) 14 NPT Strictly adhere to all installation and maintenance instructions. conduit opening is also available. Figure 2 2PA17 .170 - .470 (4,3 - 11,9) Consult with local safety agencies and their Figure 2 requirements when designing a machine-control link, interface and all control elements that affect safety. PLASTIC HOUSING Failure to comply with these instructions could result in death or serious injury. CONDUIT FITTING Sensing and Control BF Series Plastic Enclosed Switches PK 88270 MOUNTING DIMENSIONS (for reference only) COIL SPRING WOBBLE LEVER 35,1 1.38 PIN PLUNGER CONDUIT THREAD 35,1 1.38 15,5 30,2 .61 1.19 17,5 .69 33,9 15,1 NORMALLY 1.34 .60 4,9 CLOSED .19 TERMINAL 73,5 ELASTOMER PLUNGER SEAL NORMALLY 2.89 OPEN 7,1 O TERMINAL .28 58,7 SR 25,4 15 2.31 1.00 .59 14,3 4,8 .56 9,5 COMMON .19 .38 TERMINAL 4,9 4X 4 THREAD FORMING .19 PAN HEAD SCREWS 44,5 1.75 65,28 2.57 2 Honeywell Sensing and Control