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TK1-001N-BRC Datasheet(PDF) 4 Page - Magnetrol International, Inc. |
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TK1-001N-BRC Datasheet(HTML) 4 Page - Magnetrol International, Inc. |
4 / 12 page 1.3 Mounting The Model TK1 Liquid Level Switch is available with a 11⁄2" or 2" threaded mounting bushing as well as several flange mountings. 1.3.1 Threaded Mounting Apply either Teflon® tape or appropriate lubricant to mounting threads to prevent galling. Engage thread by hand to avoid damage. Using a pipe wrench, rotate the unit clockwise until threads are tight in mounting. Ensure that the N.O. marking on body is upward for normally opened operation on models with SPST switches. For normally closed operation, ensure that the N.C. marking is upward. Models with SPDT or DPDT switches should be mounted with the N.O. marking upward. 1.3.2 Flanged Mounting Have proper flange bolting and gasket(s) on hand. Carefully align the bolt holes of the TK1 flange with those of the vessel mounting flange. Ensure that the N.O. marking on body is upward for normally opened operation on models with SPST switches. For normally closed operation, ensure that the N.C. marking is upward. Models with SPDT or DPDT switches should be mounted with the N.O. marking upward. Ensure that the flange gasket is seated properly. Install flange bolting. Caution: Operation of all buoyancy type level devices should be done in such a way as to minimize the action of dynamic forces on the float or displacer sensing element. Good practice for reducing the likelihood of damage to the control is to equal- ize pressure across the device very slowly. 1.4 Wiring NOTE: A switch or circuit breaker shall be installed in close proximity to equipment and within easy reach of operator. It shall be marked as the disconnecting device for the equipment. NOTE: For supply connections in installations with ambient tempera- ture up to +70° C, use wire with a minimum rating of 75° C as required by the process conditions. Installations with ambient temperatures up to +80° C require wire with a minimum rating of 85° C as required by the process conditions. Use a minimum of 14 AWG wire for power and ground field wires. 1. SPST reed switch: Connect wiring to switch leads or terminals per wiring diagram. See figure 1. 2. SPDT reed switch: Connect wiring to proper switch leads or terminals per wiring diagram. See figures 2 and 4. 3. DPDT relay: Connect wiring to proper switch leads and run power supply according to the wiring diagram. See figure 3. This relay must be powered to function. 5A @ 24 VDC relay requires 24 VDC power supply while the 5A @ 120 VAC relay requires 120 VAC power supply. NOTE: Observe all applicable electrical codes and proper wiring procedures. 44-608 TK1 Liquid Level Switch 4 Figure 1 SPST wiring diagram Figure 2 SPDT wiring diagram Figure 3 DPDT wiring diagram Figure 4 SPDT Flying leads wiring diagram toswitch toswitch NO NC notused C toswitch BROWN N.O. GRAY COM. YELLOW N.C. BLUE N.O. WHITE COM. ORANGE N.C. RED 120VACor 24VDC LEVELSWITCH N.O. RED red NC (make on low) orange NO (make on high) black C |
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